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Oracle Oracle Solaris 10 Network

VirtualBox 6.0 exports VMs to the cloud — however most effective Oracle Cloud | killexams.com true Questions and Pass4sure dumps

edition 6.0 of VirtualBox, Oracle’s open source virtualization application for home windows, MacOS, Linux, and Solaris hosts, introduces an overhauled interface and the capability to at once export VMs to the cloud — as lengthy because it’s Oracle Cloud.

VirtualBox users with Oracle Cloud Infrastructure accounts can allow the VM export feature by including a profile for his or her cloud account into VirtualBox. It’s theoretically feasible for VirtualBox to extend this characteristic to embrace extra cloud environments, but for now Oracle is identifying to circumscribe the steer to its personal cloud. This regardless of Oracle Cloud falling a ways brief of AWS, Azure, Google Cloud, or IBM Cloud in customer adoption and use.

The greatest outward alternate for VirtualBox 6 is an overhauled UI. Navigating the utility is a bit of much less complicated than earlier than, and fewer digging is required to find any given duty or environment, with most every thing essential now present in the File menu. in its situation of “machine tools” and “international tools” drop-down menus, a single “equipment” panel indicates probably the most common capabilities (create, add, import, or export VMs) and provides a submenu for more concerned capabilities (managing VM media, network adaptors, or cloud connectors).

virtualbox 6IDG

VirtualBox 6 points an overhauled interface that requires less pawing via diverse menus to find the outfit you need.

a brand fresh file manager interface addresses a longtime criticism of VirtualBox users — that there was no smooth strategy to shuttle data between visitors and hosts, or to determine guest volumes. The file manager interface allows for the host to log into the visitor, mount the visitor’s file system, and duplicate info from side to side as essential. however, this most effective works when the visitor has VirtualBox’s guest Additions installed.

beneath the hood, VirtualBox 6 on home windows can now employ Hyper-V as a fallback execution engine to permit VMs to hasten in complete situations, if on the can saturate of some degraded performance. a further trade, which changed into sniffed out with the aid of Alex Ionescu, suggests that a future revision of VirtualBox could permit nested hardware virtualization, permitting VMs to hasten interior VMs — another longed-for feature.

other alterations embrace assist for Linux 4.20 guests, an overhaul of 3D images steer on home windows, Linux, and Solaris guests, and the shedding of assist for 32-bit hosts. anybody working a 32-bit host will deserve to employ VirtualBox 5.2, which remains supported unless July 2020.


carrier-level management and Telemetry | killexams.com true Questions and Pass4sure dumps

This chapter is from the reserve 

if you consolidate assorted services onto a Solaris Cluster installation, you ought to Make certain that your service levels are met even when a few functions live on the very cluster node. The Oracle Solaris OS has many elements, similar to resource controls and scheduler alternate options, to aid you achieve these desires. These resource allocations can subsist described within the tasks database saved in the neighborhood in /and many others/challenge or held within the appellation service maps.

The Solaris Cluster application can bind both useful resource companies and elements to projects using the RG_project_name and Resource_project_name residences, respectively. here illustration shows the artery to create a processor pool (containing 4 CPUs) that makes employ of the objective participate scheduler (FSS). The processor pool is then associated with the user project that limits shared memory usage to 8 gigabytes. The FSS may too subsist enabled by using the dispadmin -d FSS command.

instance four.9. Binding a useful resource community to a undertaking associated with a Processor Pool

investigate the variety of processors the gadget has using the psrinfo command.

define a four-CPU-processor set referred to as oracle_pset in a short lived file, after which employ the file as enter to the poolcfg command.

# psrinfo | wc -l 24 # cat /tmp/create_oracle_pool.txt create pset oracle_pset ( uint pset.min = 1 ; uint pset.max = 4) create pool oracle_pool associate pool oracle_pool ( pset oracle_pset ) regulate pool oracle_pool ( string pool.scheduler = "FSS" ) # poolcfg -f /tmp/create_oracle_pool.txt

Instantiate the configuration the usage of the pooladm command.

# pooladm -c # pooladm gadget default string gadget.comment int gadget.version 1 boolean equipment.bind-default proper string system.poold.goals wt-load pool pool_default int pool.sys_id 0 boolean pool.active proper boolean pool.default proper string pool.scheduler FSS int pool.importance 1 string pool.comment pset pset_default pool oracle_pool int pool.sys_id 2 boolean pool.lively authentic boolean pool.default false string pool.scheduler FSS int pool.magnitude 1 string pool.remark pset oracle_pset pset oracle_pset int pset.sys_id 1 boolean pset.default false uint pset.min 1 uint pset.max 4 string pset.instruments inhabitants uint pset.load 17 uint pset.dimension 4 string pset.comment cpu int cpu.sys_id 1 string cpu.remark string cpu.reputation on-line cpu int cpu.sys_id 0 string cpu.comment string cpu.reputation on line cpu int cpu.sys_id three string cpu.comment string cpu.repute on line cpu int cpu.sys_id 2 string cpu.remark string cpu.fame on-line pset pset_default int pset.sys_id -1 boolean pset.default proper . . .

Use the projadd command to Make oracle_pool the project pool for person oracle.

# projadd -p 4242 -ok "project.max-shm-memory=(privileged,8GB,deny)" > -okay undertaking.pool=oracle_pool consumer.oracle # su - oracle solar Microsystems Inc. SunOS 5.10 well-known January 2005 $ identification -p uid=424242(oracle) gid=424242(oinstall) projid=4242(person.oracle) $ exit # clresourcegroup create -p RG_project_name=consumer.oracle oracle-rg

in a similar way, using the clzonecluster command (see the clzonecluster(1M) man page), that you can bind zone clusters to swimming pools, dedicate or restrict the number of CPUs allocated to them, and circumscribe the actual, swap, or locked reminiscence they can use.

Gathering Telemetry from the Solaris Cluster utility

The Solaris Cluster service-degree management characteristic makes it feasible for you to configure the Solaris Cluster utility to accumulate telemetry data from your cluster. using this characteristic, which you could assemble statistics on CPU, reminiscence, swap, and community utilization of the cluster node as well as on resource businesses and gadget components such as disks and network adapters. via monitoring gadget resource usage through the Solaris Cluster software, you could bring together records that reflects how a service using selected system materials is performing. that you could additionally determine useful resource bottlenecks, overloads, and even underutilized hardware supplies. in accordance with this statistics, which you can allot purposes to nodes which beget the captious materials and judge which node every utility should quiet fail over to.

This feature ought to subsist installation the employ of the clsetup command. The telemetry records is saved in its own Java DB database held on a failover or world file gadget that you simply necessity to provide for its use. After the setup is complete, you can permit the telemetry on the useful resource corporations, select the attributes to monitor, and set thresholds. design four.5 and design 4.6 array the kind of output you can Get hold of from using this function.

Figure 4.5

figure four.5 alarm displaying that the write I/O cost to disk d4 has exceeded the edge set

Figure 4.6

determine four.6 Public community adapter utilization telemetry gathered the employ of the provider-degree administration feature

figure 4.5 indicates that an alarm has been generated because disk d4 has surpassed the threshold set for it.

figure four.6 suggests the utilization of the public community adapters bge0 and bge1 on cluster node pbaital1.

The telemetry makes employ of the RG_slm_type useful resource neighborhood property, which can subsist set to one in complete two values: automatic or guide. The default cost for the RG_slm_type property is manual. unless the RG_slm_type property cost is explicitly set to automatic when a resource community is created, telemetry isn't enabled for the aid community. If the aid neighborhood RG_slm_type property is changed, aid utilization monitoring starts off most effective after the aid community is restarted.

When a useful resource community has the RG_slm_type property set to automatic, the resource neighborhood supervisor (RGM) internally generates a Solaris assignment to track the outfit useful resource utilization for complete processes encapsulated with the aid of the useful resource of the resource community. This tracking happens even with no matter if the RG_project_name and Resource_project_name properties are set. The telemetry can music simplest the outfit resource utilization: CPU usage, resident set dimension (RSS), and swap usage for aid groups that beget the RG_slm_type property set to computerized. Telemetry for different objects is gathered at the node, zone, disk, or network interface stage, as applicable.

See instance eight.9 in Chapter 8, "illustration Oracle Solaris Cluster Implementations," for extra counsel about a artery to set up, configure, and employ the Solaris Cluster telemetry.

the usage of the Solaris Cluster manager browser interface simplifies the system of configuring thresholds and viewing the telemetry monitoring statistics.

right here instance indicates the generated challenge identify in the RG_SLM_projectname property. besides the fact that children, not dote different useful resource neighborhood residences, you cannot set this property manually. additionally, if RG_slm_type is set to automatic, the RG_project_name and Resource_project_name residences may subsist ignored. Conversely, when RG_slm_type is determined to manual, the tactics of the aid neighborhood's resource might subsist certain to the tasks named within the RG_project_name and Resource_project_name properties. despite the fact, the RGM will no longer track the outfit substances they use.

instance four.10. The impact of environment the RG_slm_type Property to automatic

Use the clresourcegroup command to demonstrate the property settings for the apache-1-rg aid community.

# clresourcegroup demonstrate -v apache-1-rg === useful resource businesses and elements === resource neighborhood: apache-1-rg RG_description: <NULL> RG_mode: Failover RG_state: Managed RG_project_name: default RG_affinities: <NULL> RG_SLM_type: manual Auto_start_on_new_cluster: False Failback: False Nodelist: phys-winter1 phys-winter2 Maximum_primaries: 1 Desired_primaries: 1 RG_dependencies: <NULL> Implicit_network_dependencies: genuine Global_resources_used: <All> Pingpong_interval: 3600 Pathprefix: <NULL> RG_System: False Suspend_automatic_recovery: False --- supplies for community apache-1-rg --- . . .

Use the clresourcegroup command to set the RG_SLM_type property to computerized.

# clresourcegroup set -p RG_SLM_type=computerized apache-1-rg # clresourcegroup demonstrate -v apache-1-rg === aid agencies and elements === useful resource group: apache-1-rg RG_description: <NULL> RG_mode: Failover RG_state: Managed RG_project_name: default RG_affinities: <NULL> RG_SLM_type: automated RG_SLM_projectname: SCSLM_apache_1_rg RG_SLM_pset_type: default RG_SLM_CPU_SHARES: 1 RG_SLM_PSET_MIN: 0 Auto_start_on_new_cluster: False Failback: False Nodelist: phys-winter1 phys-winter2 Maximum_primaries: 1 Desired_primaries: 1 RG_dependencies: <NULL> Implicit_network_dependencies: authentic Global_resources_used: <All> Pingpong_interval: 3600 Pathprefix: <NULL> RG_System: False Suspend_automatic_recovery: False --- supplies for group apache-1-rg --- . . .

observe installation Oracle utility on Solaris | killexams.com true Questions and Pass4sure dumps

I beget Solaris 10 (downloaded from the Solaris web site) withhold in in my domestic laptop. I necessity to apply installation Oracle application on Solaris. My questions are:
  • Will it work? I assume into account that 9i isn't licensed for Solaris 10. i'll travel with 10g.
  • what is the patch even of OS so that it will efficiently deploy Oracle and check?
  • Is it ample if I examine the Oracle install e reserve for Unix? Will it beget complete the counsel needed? (250 pages, reasonably a read.) Will i would dote additional things dote windows XP on my home desktop?
  • Thanks.

    1Z0-880 Oracle Solaris 10 Network Administrator(R) Certified Expert

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    1Z0-880 exam Dumps Source : Oracle Solaris 10 Network Administrator(R) Certified Expert

    Test Code : 1Z0-880
    Test appellation : Oracle Solaris 10 Network Administrator(R) Certified Expert
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    : 317 true Questions

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    Oracle Solaris 10 Network Administrator(R) Certified Expert

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    Oracle Certified Expert (OCE) - Oracle Solaris Network Administrator | killexams.com true questions and Pass4sure dumps

    This vendor-specific Certification is Offered By:Oracle CorporationRedwood Shores, CA USAPhone: 800-672-2531

    Skill Level: Advanced                          Status: Unknown

    Low Cost: $300 (shortest track)               

    Summary:For individuals who are accountable for administering systems in a networked environment that includes LANs and the Oracle Solaris Operating System (Oracle Solaris OS). This certification was formerly known as Sun Certified Network Administrator (SCNA).

    Initial Requirements:You must hold an Oracle Certified Professional, Oracle Solaris 10 System Administrator certification or a Sun Certified System Administrator For Solaris OS certification. You must then pass the Oracle Solaris Network Administrator Certified Expert exam ($300). The exam has a 120 minute time circumscribe and consists of 64 questions. A passing score of 66% is required. Training is available but not required.

    Continuing Requirements:None specified

    Online Resources:Practice exams are available on the Sun website.

    See complete Oracle Certifications

    Vendor's page for this certification


    Guide to vendor-specific IT security certifications | killexams.com true questions and Pass4sure dumps

    Despite the wide selection of vendor-specific information technology security certifications, identifying which...

    ones best suit your educational or career needs is fairly straightforward.

    This steer to vendor-specific IT security certifications includes an alphabetized table of security certification programs from various vendors, a brief description of each certification and counsel for further details.

    Introduction: Choosing vendor-specific information technology security certifications

    The process of choosing the birthright vendor-specific information technology security certifications is much simpler than choosing vendor-neutral ones. In the vendor-neutral landscape, you must evaluate the pros and cons of various programs to select the best option. On the vendor-specific side, it's only necessary to result these three steps:

  • Inventory your organization's security infrastructure and identify which vendors' products or services are present.
  • Check this steer (or vendor websites, for products not covered here) to determine whether a certification applies to the products or services in your organization.
  • Decide if spending the time and money to obtain such credentials (or to fund them for your employees) is worth the resulting benefits.
  • In an environment where qualified IT security professionals can choose from numerous job openings, the benefits of individual training and certifications can subsist arduous to appraise.

    Many employers pay certification costs to develop and retain their employees, as well as to boost the organization's in-house expertise. Most view this as a win-win for employers and employees alike, though employers often require plenary or partial reimbursement for the related costs incurred if employees leave their jobs sooner than some specified payback era after certification.

    There beget been quite a few changes since the last survey update in 2015. The Basic category saw a substantial jump in the number of available IT security certifications due to the addition of several Brainbench certifications, in addition to the Cisco Certified Network Associate (CCNA) Cyber Ops certification, the Fortinet Network Security Expert Program and fresh IBM certifications. 

    2017 IT security certification changes

    Certifications from AccessData, Check Point, IBM and Oracle were added to the Intermediate category, increasing the total number of certifications in that category, as well. However, the number of certifications in the Advanced category decreased, due to several IBM certifications being retired. 

    Vendor IT security certifications Basic information technology security certifications 

    Brainbench basic security certificationsBrainbench offers several basic-level information technology security certifications, each requiring the candidate to pass one exam. Brainbench security-related certifications include:

  • Backup Exec 11d (Symantec)
  • Check Point FireWall-1 Administration
  • Check Point Firewall-1 NG Administration
  • Cisco Security
  • Microsoft Security
  • NetBackup 6.5 (Symantec)
  • Source: Brainbench Information Security Administrator certifications

    CCNA Cyber OpsPrerequisites: not a thing required; training is recommended.

    This associate-level certification prepares cybersecurity professionals for drudgery as cybersecurity analysts responding to security incidents as participate of a security operations heart team in a big organization.

    The CCNA Cyber Ops certification requires candidates to pass two written exams.

    Source: Cisco Systems CCNA Cyber Ops

    CCNA SecurityPrerequisites: A cogent Cisco CCNA Routing and Switching, Cisco Certified Entry Networking Technician or Cisco Certified Internetwork Expert (CCIE) certification.

    This credential validates that associate-level professionals are able to install, troubleshoot and monitor Cisco-routed and switched network devices for the purpose of protecting both the devices and networked data.

    A person with a CCNA Security certification can subsist expected to understand core security concepts, endpoint security, web and email content security, the management of secure access, and more. He should too subsist able to demonstrate skills for building a security infrastructure, identifying threats and vulnerabilities to networks, and mitigating security threats. CCNA credential holders too possess the technical skills and expertise necessary to manage protection mechanisms such as firewalls and intrusion prevention systems, network access, endpoint security solutions, and web and email security.

    The successful completion of one exam is required to obtain this credential.

    Source: Cisco Systems CCNA Security

    Check Point Certified Security Administrator (CCSA) R80Prerequisites: Basic lore of networking; CCSA training and six months to one year of suffer with Check Point products are recommended.

    Check Point's foundation-level credential prepares individuals to install, configure and manage Check Point security system products and technologies, such as security gateways, firewalls and virtual private networks (VPNs). Credential holders too possess the skills necessary to secure network and internet communications, upgrade products, troubleshoot network connections, configure security policies, protect email and message content, guard networks from intrusions and other threats, anatomize attacks, manage user access in a corporate LAN environment, and configure tunnels for remote access to corporate resources.

    Candidates must pass a single exam to obtain this credential.

    Source: Check Point CCSA Certification

    IBM Certified Associate -- Endpoint Manager V9.0Prerequisites: IBM suggests that candidates subsist highly confidential with the IBM Endpoint Manager V9.0 console. They should beget suffer taking actions; activating analyses; and using Fixlets, tasks and baselines in the environment. They should too understand patching, component services, client log files and troubleshooting within IBM Endpoint Manager.

    This credential recognizes professionals who employ IBM Endpoint Manager V9.0 daily. Candidates for this certification should know the key concepts of Endpoint Manager, subsist able to recount the system's components and subsist able to employ the console to fulfill routine tasks.

    Successful completion of one exam is required.

    Editor's note: IBM is retiring this certification as of May 31, 2017; there will subsist a follow-on test available as of April 2017 for IBM BigFix Compliance V9.5 Fundamental Administration, Test C2150-627.

    Source: IBM Certified Associate -- Endpoint Manager V9.0

    IBM Certified Associate -- Security Trusteer Fraud ProtectionPrerequisites: IBM recommends that candidates beget suffer with network data communications, network security, and the Windows and Mac operating systems.

    This credential pertains mainly to sales engineers who uphold the Trusteer Fraud product portfolio for web fraud management, and who can implement a Trusteer Fraud solution. Candidates must understand Trusteer product functionality, know how to deploy the product, and subsist able to troubleshoot the product and anatomize the results.

    To obtain this certification, candidates must pass one exam.

    Source: IBM Certified Associate -- Security Trusteer Fraud Protection

    McAfee Product SpecialistPrerequisites: not a thing required; completion of an associated training course is highly recommended.

    McAfee information technology security certification holders possess the lore and technical skills necessary to install, configure, manage and troubleshoot specific McAfee products, or, in some cases, a suite of products.

    Candidates should possess one to three years of direct suffer with one of the specific product areas.

    The current products targeted by this credential include:

  • McAfee Advanced Threat Defense products
  • McAfee ePolicy Orchestrator and VirusScan products
  • McAfee Network Security Platform
  • McAfee Host Intrusion Prevention
  • McAfee Data Loss Prevention Endpoint products
  • McAfee Security Information and Event Management products
  • All credentials require passing one exam.

    Source: McAfee Certification Program

    Microsoft Technology Associate (MTA)Prerequisites: None; training recommended.

    This credential started as an academic-only credential for students, but Microsoft made it available to the common public in 2012.

    There are 10 different MTA credentials across three tracks (IT Infrastructure with five certs, Database with one and development with four). The IT Infrastructure track includes a Security Fundamentals credential, and some of the other credentials embrace security components or topic areas.

    To rate each MTA certification, candidates must pass the corresponding exam. 

    Source: Microsoft MTA Certifications

    Fortinet Network Security Expert (NSE)Prerequisites: Vary by credential.

    The Fortinet NSE program has eight levels, each of which corresponds to a divorce network security credential within the program. The credentials are:

  • NSE 1 -- Understand network security concepts.
  • NSE 2 -- Sell Fortinet gateway solutions.
  • NSE 3 (Associate) -- Sell Fortinet advanced security solutions.
  • NSE 4 (Professional) -- Configure and maintain FortiGate Unified Threat Management products.
  • NSE 5 (Analyst) -- Implement network security management and analytics.
  • NSE 6 (Specialist) – Understand advanced security technologies beyond the firewall.
  • NSE 7 (Troubleshooter) -- Troubleshoot internet security issues.
  • NSE 8 (Expert) -- Design, configure, install and troubleshoot a network security solution in a live environment.
  • NSE 1 is open to anyone, but is not required. The NSE 2 and NSE 3 information technology security certifications are available only to Fortinet employees and partners. Candidates for NSE 4 through NSE 8 should assume the exams through Pearson VUE.

    Source: Fortinet NSE

    Symantec Certified Specialist (SCS)This security certification program focuses on data protection, elevated availability and security skills involving Symantec products.

    To become an SCS, candidates must select an belt of focus and pass an exam. complete the exams cover core elements, such as installation, configuration, product administration, day-to-day operation and troubleshooting for the selected focus area.

    As of this writing, the following exams are available:

  • Exam 250-215: Administration of Symantec Messaging Gateway 10.5
  • Exam 250-410: Administration of Symantec Control Compliance Suite 11.x
  • Exam 250-420: Administration of Symantec VIP
  • Exam 250-423: Administration of Symantec IT Management Suite 8.0
  • Exam 250-424: Administration of Data Loss Prevention 14.5
  • Exam 250-425: Administration of Symantec Cyber Security Services
  • Exam 250-426: Administration of Symantec Data heart Security -- Server Advanced 6.7
  • Exam 250-427: Administration of Symantec Advanced Threat Protection 2.0.2
  • Exam 250-428: Administration of Symantec Endpoint Protection 14
  • Exam 250-513: Administration of Symantec Data Loss Prevention 12
  • Source: Symantec Certification

    Intermediate information technology security certifications 

    AccessData Certified Examiner (ACE)Prerequisites: not a thing required; the AccessData BootCamp and Advanced Forensic Toolkit (FTK) courses are recommended.

    This credential recognizes a professional's proficiency using AccessData's FTK, FTK Imager, Registry Viewer and Password Recovery Toolkit. However, candidates for the certification must too beget qualify digital forensic lore and subsist able to interpret results gathered from AccessData tools.

    To obtain this certification, candidates must pass one online exam (which is free). Although a boot camp and advanced courses are available for a fee, AccessData provides a set of free exam preparation videos to abet candidates who prefer to self-study.

    The certification is cogent for two years, after which credential holders must assume the current exam to maintain their certification.

    Source: Syntricate ACE Training

    Cisco Certified Network Professional (CCNP) Security Prerequisites: CCNA Security or any CCIE certification.

    This Cisco credential recognizes professionals who are accountable for router, switch, networking device and appliance security. Candidates must too know how to select, deploy, uphold and troubleshoot firewalls, VPNs and intrusion detection system/intrusion prevention system products in a networking environment.

    Successful completion of four exams is required.

    Source: Cisco Systems CCNP Security

    Check Point Certified Security Expert (CCSE)Prerequisite: CCSA certification R70 or later.

    This is an intermediate-level credential for security professionals seeking to demonstrate skills at maximizing the performance of security networks.

    A CCSE demonstrates a lore of strategies and advanced troubleshooting for Check Point's GAiA operating system, including installing and managing VPN implementations, advanced user management and firewall concepts, policies, and backing up and migrating security gateway and management servers, among other tasks. The CCSE focuses on Check Point's VPN, Security Gateway and Management Server systems.

    To acquire this credential, candidates must pass one exam.

    Source: Check Point CCSE program

    Cisco Cybersecurity SpecialistPrerequisites: not a thing required; CCNA Security certification and an understanding of TCP/IP are strongly recommended.

    This Cisco credential targets IT security professionals who possess in-depth technical skills and lore in the sphere of threat detection and mitigation. The certification focuses on areas such as event monitoring, event analysis (traffic, alarm, security events) and incident response.

    One exam is required.

    Source: Cisco Systems Cybersecurity Specialist

    Certified SonicWall Security Administrator (CSSA)Prerequisites: not a thing required; training is recommended.

    The CSSA exam covers basic administration of SonicWall appliances and the network and system security behind such appliances.

    Classroom training is available, but not required to rate the CSSA. Candidates must pass one exam to become certified.

    Source: SonicWall Certification programs

    EnCase Certified Examiner (EnCE)Prerequisites: Candidates must attend 64 hours of authorized training or beget 12 months of computer forensic drudgery experience. Completion of a formal application process is too required.

    Aimed at both private- and public-sector computer forensic specialists, this certification permits individuals to become certified in the employ of Guidance Software's EnCase computer forensics tools and software.

    Individuals can gain this certification by passing a two-phase exam: a computer-based component and a practical component.

    Source: Guidance Software EnCE

    EnCase Certified eDiscovery Practitioner (EnCEP)Prerequisites: Candidates must attend one of two authorized training courses and beget three months of suffer in eDiscovery collection, processing and project management. A formal application process is too required.

    Aimed at both private- and public-sector computer forensic specialists, this certification permits individuals to become certified in the employ of Guidance Software's EnCase eDiscovery software, and it recognizes their proficiency in eDiscovery planning, project management and best practices, from legal hold to file creation.

    EnCEP-certified professionals possess the technical skills necessary to manage e-discovery, including the search, collection, preservation and processing of electronically stored information in accordance with the Federal Rules of Civil Procedure.

    Individuals can gain this certification by passing a two-phase exam: a computer-based component and a scenario component.

    Source: Guidance Software EnCEP Certification Program

    IBM Certified Administrator -- Security Guardium V10.0Prerequisites: IBM recommends basic lore of operating systems and databases, hardware or virtual machines, networking and protocols, auditing and compliance, and information security guidelines.

    IBM Security Guardium is a suite of protection and monitoring tools designed to protect databases and tremendous data sets. The IBM Certified Administrator -- Security Guardium credential is aimed at administrators who plan, install, configure and manage Guardium implementations. This may embrace monitoring the environment, including data; defining policy rules; and generating reports.

    Successful completion of one exam is required.

    Source: IBM Security Guardium Certification

    IBM Certified Administrator -- Security QRadar Risk Manager V7.2.6Prerequisites: IBM recommends a working lore of IBM Security QRadar SIEM Administration and IBM Security QRadar Risk Manager, as well as common lore of networking, risk management, system administration and network topology.

    QRadar Risk Manager automates the risk management process in enterprises by monitoring network device configurations and compliance. The IBM Certified Administrator -- Security QRadar Risk Manager V7.2.6 credential certifies administrators who employ QRadar to manage security risks in their organization. Certification candidates must know how to review device configurations, manage devices, monitor policies, schedule tasks and generate reports.

    Successful completion of one exam is required.

    Source: IBM Security QRadar Risk Manager Certification

    IBM Certified Analyst -- Security SiteProtector System V3.1.1Prerequisites: IBM recommends a basic lore of the IBM Security Network Intrusion Prevention System (GX) V4.6.2, IBM Security Network Protection (XGS) V5.3.1, Microsoft SQL Server, Windows Server operating system administration and network security.

    The Security SiteProtector System enables organizations to centrally manage their network, server and endpoint security agents and appliances. The IBM Certified Analyst -- Security SiteProtector System V3.1.1 credential is designed to certify security analysts who employ the SiteProtector System to monitor and manage events, monitor system health, optimize SiteProtector and generate reports.

    To obtain this certification, candidates must pass one exam.

    Source: IBM Security SiteProtector Certification

    Oracle Certified Expert, Oracle Solaris 10 Certified Security AdministratorPrerequisite: Oracle Certified Professional, Oracle Solaris 10 System Administrator.

    This credential aims to certify experienced Solaris 10 administrators with security interest and experience. It's a midrange credential that focuses on common security principles and features, installing systems securely, application and network security, principle of least privilege, cryptographic features, auditing, and zone security.

    A single exam -- geared toward the Solaris 10 operating system or the OpenSolaris environment -- is required to obtain this credential.

    Source: Oracle Solaris Certification

    Oracle Mobile SecurityPrerequisites: Oracle recommends that candidates understand enterprise mobility, mobile application management and mobile device management; beget two years of suffer implementing Oracle Access Management Suite Plus 11g; and beget suffer in at least one other Oracle product family.

    This credential recognizes professionals who create configuration designs and implement the Oracle Mobile Security Suite. Candidates must beget a working lore of Oracle Mobile Security Suite Access Server, Oracle Mobile Security Suite Administrative Console, Oracle Mobile Security Suite Notification Server, Oracle Mobile Security Suite Containerization and Oracle Mobile Security Suite Provisioning and Policies. They must too know how to deploy the Oracle Mobile Security Suite.

    Although the certification is designed for Oracle PartnerNetwork members, it is available to any candidate. Successful completion of one exam is required.

    Source: Oracle Mobile Security Certification

    RSA Archer Certified Administrator (CA)Prerequisites: not a thing required; Dell EMC highly recommends RSA training and two years of product suffer as preparation for the RSA certification exams.

    Dell EMC offers this certification, which is designed for security professionals who manage, administer, maintain and troubleshoot the RSA Archer Governance, Risk and Compliance (GRC) platform.

    Candidates must pass one exam, which focuses on integration and configuration management, security administration, and the data presentation and communication features of the RSA Archer GRC product.

    Source: Dell EMC RSA Archer Certification

    RSA SecurID Certified Administrator (RSA Authentication Manager 8.0)Prerequisites: not a thing required; Dell EMC highly recommends RSA training and two years of product suffer as preparation for the RSA certification exams.

    Dell EMC offers this certification, which is designed for security professionals who manage, maintain and administer enterprise security systems based on RSA SecurID system products and RSA Authentication Manager 8.0.

    RSA SecurID CAs can operate and maintain RSA SecurID components within the context of their operational systems and environments; troubleshoot security and implementation problems; and drudgery with updates, patches and fixes. They can too fulfill administrative functions and populate and manage users, set up and employ software authenticators, and understand the configuration required for RSA Authentication Manager 8.0 system operations.

    Source: Dell EMC RSA Authentication Manager Certification

    RSA Security Analytics CAPrerequisites: not a thing required; Dell EMC highly recommends RSA training and two years of product suffer as preparation for the RSA certification exams.

    This Dell EMC certification is aimed at security professionals who configure, manage, administer and troubleshoot the RSA Security Analytics product. lore of the product's features, as well the talent to employ the product to identify security concerns, are required.

    Candidates must pass one exam, which focuses on RSA Security Analytics functions and capabilities, configuration, management, monitoring and troubleshooting.

    Source: Dell EMC RSA Security Analytics

    Advanced information technology security certifications 

    CCIE SecurityPrerequisites: not a thing required; three to five years of professional working suffer recommended.

    Arguably one of the most coveted certifications around, the CCIE is in a league of its own. Having been around since 2002, the CCIE Security track is unrivaled for those interested in dealing with information security topics, tools and technologies in networks built using or around Cisco products and platforms.

    The CCIE certifies that candidates possess expert technical skills and lore of security and VPN products; an understanding of Windows, Unix, Linux, network protocols and domain appellation systems; an understanding of identity management; an in-depth understanding of Layer 2 and 3 network infrastructures; and the talent to configure end-to-end secure networks, as well as to fulfill troubleshooting and threat mitigation.

    To achieve this certification, candidates must pass both a written and lab exam. The lab exam must subsist passed within 18 months of the successful completion of the written exam.

    Source: Cisco Systems CCIE Security Certification

    Check Point Certified Managed Security Expert (CCMSE)Prerequisites: CCSE certification R75 or later and 6 months to 1 year of suffer with Check Point products.

    This advanced-level credential is aimed at those seeking to learn how to install, configure and troubleshoot Check Point's Multi-Domain Security Management with Virtual System Extension.

    Professionals are expected to know how to migrate physical firewalls to a virtualized environment, install and manage an MDM environment, configure elevated availability, implement global policies and fulfill troubleshooting.

    Source: Check Point CCMSE

    Check Point Certified Security Master (CCSM)Prerequisites: CCSE R70 or later and suffer with Windows Server, Unix, TCP/IP, and networking and internet technologies.

    The CCSM is the most advanced Check Point certification available. This credential is aimed at security professionals who implement, manage and troubleshoot Check Point security products. Candidates are expected to subsist experts in perimeter, internal, web and endpoint security systems.

    To acquire this credential, candidates must pass a written exam.

    Source: Check Point CCSM Certification

    Certified SonicWall Security Professional (CCSP)Prerequisites: Attendance at an advanced administration training course.

    Those who achieve this certification beget attained a elevated even of mastery of SonicWall products. In addition, credential holders should subsist able to deploy, optimize and troubleshoot complete the associated product features.

    Earning a CSSP requires taking an advanced administration course that focuses on either network security or secure mobile access, and passing the associated certification exam.

    Source: SonicWall CSSP certification

    IBM Certified Administrator -- Tivoli Monitoring V6.3Prerequisites: Security-related requirements embrace basic lore of SSL, data encryption and system user accounts.

    Those who attain this certification are expected to subsist capable of planning, installing, configuring, upgrading and customizing workspaces, policies and more. In addition, credential holders should subsist able to troubleshoot, administer and maintain an IBM Tivoli Monitoring V6.3 environment.

    Candidates must successfully pass one exam.

    Source: IBM Tivoli Certified Administrator

    Master Certified SonicWall Security Administrator (CSSA)The Master CSSA is an intermediate between the base-level CSSA credential (itself an intermediate certification) and the CSSP.

    To qualify for Master CSSA, candidates must pass three (or more) CSSA exams, and then email training@sonicwall.com to request the designation. There are no other charges or requirements involved.

    Source: SonicWall Master CSSA

    Conclusion 

    Remember, when it comes to selecting vendor-specific information technology security certifications, your organization's existing or planned security product purchases should decree your options. If your security infrastructure includes products from vendors not mentioned here, subsist certain to check with them to determine if training or certifications on such products are available.

    About the author:Ed Tittel is a 30-plus year IT veteran who's worked as a developer, networking consultant, technical trainer, writer and expert witness. Perhaps best known for creating the Exam Cram series, Ed has contributed to more than 100 books on many computing topics, including titles on information security, Windows OSes and HTML. Ed too blogs regularly for TechTarget (Windows Enterprise Desktop), Tom's IT Pro and GoCertify.


    Creating fresh Resource Types | killexams.com true questions and Pass4sure dumps

    This chapter is from the reserve 

    As described in the section "Data Service and Application Agents" in Chapter 2, "Oracle Solaris Cluster: Features and Architecture," Oracle has a substantial list of supported agents that cover most of the applications in your data center. These application agents are maintained by Oracle and are extensively tested on each fresh release of both the Solaris Cluster software and the application itself. Even so, inevitably you will beget an application that is not participate of the existing agent portfolio.

    Application Suitability

    Before creating a resource kind for your application, you must determine whether the application meets the criteria for being made highly available. The following list highlights the main points you must consider. For a complete list view "Analyzing the Application for Suitability" in [SCDevGuide].

  • Is your application crash-tolerant? This is essential because in a highly available environment your application must subsist able to regain its data consistency without requiring manual intervention. If the application did require such intervention, then most of the benefits of a high-availability framework would subsist lost.
  • Does your application reckon on the physical node appellation of the machine, such as that resulting from calls to uname, gethostbyname, or equivalent interfaces? If so, then when the application moves to another cluster node, the dependency on the physical hostname will probably cause the application to fail. There is a work-around to this problem, which is to interpose the libschost.so.1 library. However, this work-around can sometimes raise uphold issues with application vendors.
  • Can your application hasten on a multihomed system, that is, one with several public networks? Your application must subsist able to ply situations where IP addresses are configured and unconfigured from network adapters as services skedaddle around the cluster. This has consequences for the artery your application binds to the network.
  • Does your application employ hard-coded path names for the location of its data? If so, then symbolic links might not subsist sufficient to ensure that the data is stored in a location that is compatible with using a failover or global file system. If the application renames a data file, it can rupture the symbolic links.
  • After you beget determined that your application is suitable for being made highly available, you beget several ways to achieve the necessary integration:

  • You can employ the Generic Data Service (GDS) directly and just supply the required parameters. Although you cannot define any fresh extension properties for the resource kind you create, it is by far the simplest option.
  • You can create a subclass of the GDS to create a completely fresh resource type. This option enables you to define one or more extension properties for your fresh resource type. This option is relatively simple and yet provides considerable flexibility.
  • You can extend the GDS using the Advanced Agent Toolkit. Although this option does not create a fresh resource type, it does enable you to define one or more extension properties. This option is too relatively simple and provides considerable flexibility.
  • You can employ the GUI scdsbuilder appliance and customize the resulting shell script or C source using the Resource Management API (RMAPI) and the Data Service development Library (DSDL) APIs. If significant customization drudgery is needed, this option might result in an increased maintenance burden.
  • You can employ the RMAPI or DSDL APIs directly to develop your resource kind from scratch. This option trades the development and maintenance costs for ultimate flexibility and performance.
  • Each option is discussed in more detail in the following sections.

    Generic Data Service

    The Generic Data Service (GDS) is provided with the Solaris Cluster software. The SUNW.gds agent is packaged in the SUNWscgds package, which is installed as criterion by the Solaris Cluster software installer program. The SUNW.gds agent is considered the preferred artery to create both failover and scalable resources. The GDS is supported by Oracle, but you must uphold the script that you provide for the Start_command, Stop_command, Probe_command, and Validate_command methods.

    By default, the SUNW.gds resource kind is not registered, so you must register it before attempting to create a resource of that type. The commands in the following illustration demonstrate how to determine if the resource kind is registered and then how to register it, if it is not already present.

    Example 4.13. Registering the SUNW.gds Resource Type

    Use the clresourcetype command to determine whether the SUNW.gds resource kind needs to subsist registered.

    # clresourcetype list | grep SUNW.gds # clresourcetype register SUNW.gds # clresourcetype list | grep SUNW.gds SUNW.gds:6

    In addition to the criterion resource properties, the GDS agent has four properties to enable you to integrate your application: Start_command, Stop_command, Probe_command, and Validate_command. These properties are described in "Integrating Your Application-Specific Logic." By using the GDS as the basis for your application, you automatically capitalize from complete the patches and feature upgrades that the GDS receives.

    Example 4.14 shows how you can employ the GDS to Make the X11 program xeyes highly available. You originate by creating a Start_command program. In this example, a script calls the plenary path appellation of the program with a parameter that is passed to the shell script. This script must exist on complete the cluster nodes on which the application is intended to run.

    Next, having checked that the SUNW.gds resource kind is registered, you create the resource group. In this example, you allow the resource group's node list to default to complete the cluster nodes.

    Next, you create a resource to picture your program. In the example, the Start_command property is specified by the script you wrote (and which must exist on complete nodes). The array parameter to employ is too specified. Because this program does not listen on any network ports, you set the network_aware property to false. This means that the probe mechanism used will subsist the continued actuality of the xeyes process that the Start_command program leaves running in the background. By default, any resource you create is enabled so that when the resource group is brought online, the resource is automatically started. To change the default, you can specify the -d controversy to the clresource create command.

    The last two steps instruct the RGM that it needs to control or manage the xeyes-rg resource group and then to bring that resource group online. The action of bringing the resource group online starts the resource because it was created in an enabled state.

    Assuming you beget allowed remote X11 clients to array on your X server using xhost and you beget specified the revise X array to employ (substitute a value suited to your environment for myhost:1.0), then the xeyes program will materialize on your display. You can switch the resource group between nodes and the RGM will cancel the xeyes process and restart it on the fresh node, phys-summer2, as the illustration shows.

    Example 4.14. Creating a Simple, Highly Available xeyes Service

    List the script that will subsist used to start the xeyes command.

    # cat /tmp/start_xeyes #!/bin/ksh /usr/openwin/demo/xeyes -display $1 & exit 0

    Check that the SUNW.gds resource kind is registered, and then create the resource group and resource that will control the xeyes service.

    # clresourcetype list | grep SUNW.gds SUNW.gds:6 # clresourcegroup create xeyes-rg # clresource create -t SUNW.gds > -p start_command="/tmp/start_xeyes myhost:1.0" > -p network_aware=false > -g xeyes-rg xeyes-rs

    Use the clresourcegroup command to bring the xeyes-rg resource group online.

    # clresourcegroup manage xeyes-rg # clresourcegroup online xeyes-rg # clresourcegroup status xeyes-rg === Cluster Resource Groups === Group appellation Node appellation Suspended Status ---------- --------- --------- ------ xeyes-rg phys-summer1 No Online phys-summer2 No Offline # clresourcegroup switch -n phys-summer2 xeyes-rg # clresourcegroup status xeyes-rg === Cluster Resource Groups === Group appellation Node appellation Suspended Status ---------- --------- --------- ------ xeyes-rg phys-summer1 No Offline phys-summer2 No Online

    To demonstrate how the GDS handles application failure, quit the xeyes program from your X display. You will notice that the RGM restarts the application almost instantaneously. The messages in /var/adm/messages (see illustration 4.15) witness that the RGM recognized the failure and restarted the service.

    After the frailty probe determines that the service is online, indicated by Service is online in /var/adm/messages, cancel the process again. The resource has two properties that determine how many times it is restarted by the RGM within a unavoidable time period. These properties are Retry_count and Retry_interval (see illustration 4.16). After the specified number of failures, the built-in logic of the GDS determines that the current node is unhealthy and releases the service so that it can subsist started on another node. If the service too experiences problems on this node, then the RGM will not fail the service back to its original node unless the time period, in seconds, as defined by the resource group's Pingpong_interval property, has passed. Instead, the GDS attempts to preserve the service running on the remaining node. This conduct is governed by another property called Failover_mode.

    The purpose of the Pingpong_interval property is to preclude a service that fails to start from endlessly looping, resulting in the service migrating back and forth between cluster nodes. In a test environment, you might necessity to reset the value of Pingpong_interval to a lower value. Doing so enables you to restart your service once you beget corrected any problems you encountered.

    Example 4.15. Sample RGM Messages

    The /var/adm/messages file contains information on the condition changes of the resource groups and resources in the cluster.

    Nov 23 04:00:23 phys-summer2 Cluster.RGM.global.rgmd: [ID 529407 daemon.notice] resource group xeyes-rg condition on node phys-summer2 change to RG_ONLINE Nov 23 04:01:23 phys-summer2 Cluster.RGM.global.rgmd: [ID 922363 daemon.notice] resource xeyes-rs status msg on node phys-summer2 change to <Service is online.> Nov 23 04:01:25 phys-summer2 Cluster.PMF.pmfd: [ID 887656 daemon.notice] Process: tag="xeyes-rg,xeyes-rs,0.svc", cmd="/bin/sh -c /tmp/start_xeyes myhost:1.0", Failed to tarry up. Nov 23 04:01:25 phys-summer2 Cluster.RGM.global.rgmd: [ID 784560 daemon.notice] resource xeyes-rs status on node phys-summer2 change to R_FM_FAULTED Nov 23 04:01:25 phys-summer2 Cluster.RGM.global.rgmd: [ID 922363 daemon.notice] resource xeyes-rs status msg on node phys-summer2 change to <Service daemon not running.> Nov 23 04:01:25 phys-summer2 SC[,SUNW.gds:6,xeyes-rg,xeyes-rs,gds_probe]: [ID 423137 daemon.error] A resource restart attempt on resource xeyes-rs in resource group xeyes-rg has been blocked because the number of restarts within the past Retry_ interval (370 seconds) would exceed Retry_count (2) Nov 23 04:01:25 phys-summer2 SC[,SUNW.gds:6,xeyes-rg,xeyes-rs,gds_probe]: [ID 874133 daemon.notice] Issuing a failover request because the application exited. Nov 23 04:01:25 phys-summer2 Cluster.RGM.global.rgmd: [ID 494478 daemon.notice] resource xeyes-rs in resource group xeyes-rg has requested failover of the resource group on phys-summer2. Nov 23 04:01:25 phys-summer2 Cluster.RGM.global.rgmd: [ID 423291 daemon.error] RGM isn't failing resource group <xeyes-rg> off of node <phys-summer2>, because there are no other current or potential masters Nov 23 04:01:25 phys-summer2 Cluster.RGM.global.rgmd: [ID 702911 daemon.error] Resource <xeyes-rs> of Resource Group <xeyes-rg> failed pingpong check on node <phys- summer1>. The resource group will not subsist mastered by that node. Nov 23 04:01:25 phys-summer2 SC[,SUNW.gds:6,xeyes-rg,xeyes-rs,gds_probe]: [ID 969827 daemon.error] Failover attempt has failed. Nov 23 04:01:25 phys-summer2 SC[,SUNW.gds:6,xeyes-rg,xeyes-rs,gds_probe]: [ID 670283 daemon.notice] Issuing a resource restart request because the application exited. Example 4.16. Retry, Failover Mode, and Ping-pong Interval Properties

    Use the clresource command to determine the property values of the xeyes-rs resource.

    # clresource demonstrate > -p retry_count,retry_interval,failover_mode xeyes-rs === Resources === Resource: xeyes-rs --- criterion and extension properties --- Retry_interval: 370 Class: standard Description: Time in which monitor attempts to restart a failed resource Retry_count times. Type: int Retry_count: 2 Class: standard Description: Indicates the number of times a monitor restarts the resource if it fails. Type: int Failover_mode: SOFT Class: standard Description: Modifies recovery actions taken when the resource fails. Type: enum # clresourcegroup demonstrate -p pingpong_interval xeyes-rg === Resource Groups and Resources === Resource Group: xeyes-rg Pingpong_interval: 3600

    In the preceding example, the array variable property can subsist changed only by stopping the resource and modifying the Start_command property. Although of miniature import here, because the xeyes program must subsist restarted to change the target X server on which it displays, it does Make a inequity in instances where a variable can subsist changed while a service is running. Examples embrace changing debugging levels to employ and changing directories for log files.

    To create a resource kind that has fresh extension properties that can subsist changed when you necessity to change them, you necessity to either write your resource kind from scratch or create a subclass of the GDS, as described in a later section.

    Supporting fresh Applications Using the Advanced Agent Toolkit

    Many application agents in the current Solaris Cluster software release are derived from the Advanced Agent Toolkit methodology [AdvGDSTlkit]: HA-PostgreSQL, HA-MySQL, and HA containers, to appellation three. complete three employ the SUNW.gds agent as their basis. However, in its raw form, the SUNW.gds agent has some limitations.

    The rationale behind the toolkit is that complete fresh application agents beget many common requirements:

  • They might require one or more extension properties.
  • They must provide debugging information.
  • They might necessity to disable the process-monitoring facility (pmfadm) for applications that leave no obvious child processes to monitor.
  • They must supply a Start_command script, as a minimum, and possibly Stop_command, Probe_command, and Validate_command scripts.
  • The toolkit too simplifies much of the drudgery needed to ply Oracle Solaris Zones and SMF. Thus, providing this extended framework enables your developers to focus on the application-specific integration drudgery rather than on debugging the framework itself. After the drudgery is complete, the fresh resource kind is registered using a registration script.

    Developing Resource Types by Creating a Subclass of the GDS

    The handicap of creating a subclass of the GDS, rather than writing a fresh resource kind from scratch, is that the fresh resource kind inherits complete the best practices that are already participate of the criterion GDS code. In addition, creating a subclass of the GDS enables you to create your own resource kind extension properties while retaining the very even of flexibility as if you had started from scratch. Finally, your fresh resource type, which is a subclass of the GDS, has a distinct name, enabling you to easily distinguish resources of the fresh resource type. If you instead used the Advanced Agent Toolkit or the SUNW.gds agent, then you would beget to determine what the resource is by examining the extension properties or reviewing the code. This step would subsist necessary because the resource kind would subsist set to SUNW.gds, rather than MYCORP.appsvr, for example.

    You create a subclass of the GDS by creating a resource kind registration (RTR) file where the RT_basedir parameter is set to the directory containing binaries used by the criterion GDS methods: Start, Stop, Validate, and so on. You then extend the RTR file by defining your own resource kind extension properties. Finally, you set the system parameters in the RTR file to point to your scripts that override the criterion GDS behavior.

    Several existing Sun resource types are implemented this way, including the HA-Logical Domain agent (SUNW.ldom), which was covered in the section "Failover Guest Domains" in Chapter 3, "Combining Virtualization Technologies with Oracle Solaris Cluster Software."

    The RTR file for the SUNW.ldom resource kind is shown in illustration 4.17. In this RTR file, the RT_basedir parameter is set to the criterion directory for the GDS package, that is, /opt/SUNWscgds/bin. Of the criterion methods, only Init, Boot, and Validate beget been overridden using programs that are located in the ../../SUNWscxvm/bin directory. Unlike a criterion GDS resource type, the Start_command, Stop_command, Probe_command, and Validate_command properties are assigned fixed values and cannot subsist changed. This is indicated by the Tunable = not a thing settings. Furthermore, each command, apart from validate_command, is called with a consistent set of arguments, namely, -R %RS_NAME -T %RT_NAME -G %RG_NAME. The %variable construct is similar to the $variable syntax organize in shell scripts. It means that when a resource of this kind is instantiated, employ the names you assigned it as arguments. For example, if you wrote a resource kind called FOO.bar and then created a resource group called whizz-rg containing a resource called bang-rs of this type, the controversy passed would subsist -R bang-rs -T FOO.bar -G whizz-rg. With these arguments, you can then Make calls to the RMAPI or DSDL APIs to retrieve or set properties.

    In contrast to the Start_command, Stop_command, and Probe_command properties, the Validate_command property does not employ this construct. Instead, the RGM passes the validate command complete the properties listed for the resource kind on the command line. Then the validate command parses this list and determines whether the configuration is valid.

    Example 4.17. RTR File for the SUNW.ldom Resource Type

    The following text shows some of the key parts of the RTR file for the SUNW.ldom resource type:

    . . . RESOURCE_TYPE = "ldom"; VENDOR_ID = SUNW; RT_DESCRIPTION = "Sun Cluster HA for xVM Server SPARC Guest Domains"; RT_version ="1"; API_version = 10; RT_basedir=/opt/SUNWscgds/bin; Init = ../../SUNWscxvm/bin/init_xvm; Boot = ../../SUNWscxvm/bin/boot_xvm; Start = gds_svc_start; Stop = gds_svc_stop; Validate = ../../SUNWscxvm/bin/validate_xvm; Update = gds_update; Monitor_start = gds_monitor_start; Monitor_stop = gds_monitor_stop; Monitor_check = gds_monitor_check; Init_nodes = RG_PRIMARIES; Failover = FALSE; # The paramtable is a list of bracketed resource property declarations # that attain after the resource-type declarations # The property-name declaration must subsist the first attribute # after the open curly of a paramtable entry # # The following are the system defined properties. Each of the system defined # properties beget a default value set for each of the attributes. peer at # man rt_reg(4) for a detailed explanation. # { PROPERTY = Start_timeout; MIN = 60; DEFAULT = 300; } { PROPERTY = Stop_timeout; MIN = 60; DEFAULT = 300; } . . . # This is an optional property. Any value provided will subsist used as # the absolute path to a command to invoke to validate the application. # If no value is provided, The validation will subsist skipped. # { PROPERTY = Validate_command; EXTENSION; STRING; DEFAULT = ""; TUNABLE = NONE; DESCRIPTION = "Command to validate the application"; } # This property must subsist specified, since this is the only mechanism # that indicates how to start the application. Since a value must # subsist provided, there is no default. The value must subsist an absolute path. { PROPERTY = Start_command; EXTENSION; STRINGARRAY; DEFAULT = "/opt/SUNWscxvm/bin/control_xvm start -R %RS_NAME -T %RT_NAME -G %RG_NAME"; TUNABLE = NONE; DESCRIPTION = "Command to start application"; } # This is an optional property. Any value provided will subsist used as # the absolute path to a command to invoke to cease the application. # If no value is provided, signals will subsist used to cease the application. # # It is assumed that Stop_command will not recur until the # application has been stopped. { PROPERTY = Stop_command; EXTENSION; STRING; DEFAULT = "/opt/SUNWscxvm/bin/control_xvm cease -R %RS_NAME -T %RT_NAME -G %RG_NAME"; TUNABLE = NONE; DESCRIPTION = "Command to cease application"; } # This is an optional property. Any value provided will subsist used as # the absolute path to a command to invoke to probe the application. # If no value is provided, the "simple_probe" will subsist used to probe # the application. # { PROPERTY = Probe_command; EXTENSION; STRING; DEFAULT = "/opt/SUNWscxvm/bin/control_xvm probe -R %RS_NAME -G %RG_NAME -T %RT_NAME"; TUNABLE = NONE; DESCRIPTION = "Command to probe application"; } # This is an optional property. It determines whether the application # uses network to communicate with its clients. # { PROPERTY = Network_aware; EXTENSION; BOOLEAN; DEFAULT = FALSE; TUNABLE = AT_CREATION; DESCRIPTION = "Determines whether the application uses network"; } # This is an optional property, which determines the signal sent to the # application for being stopped. # { PROPERTY = Stop_signal; EXTENSION; INT; MIN = 1; MAX = 37; DEFAULT = 15; TUNABLE = WHEN_DISABLED; DESCRIPTION = "The signal sent to the application for being stopped"; } # This is an optional property, which determines whether to failover when # retry_count is exceeded during retry_interval. # { PROPERTY = Failover_enabled; EXTENSION; BOOLEAN; DEFAULT = TRUE; TUNABLE = WHEN_DISABLED; DESCRIPTION = "Determines whether to failover when retry_count is exceeded during retry_interval"; } # This is an optional property that specifies the log even GDS events. # { PROPERTY = Log_level; EXTENSION; ENUM { NONE, INFO, ERR }; DEFAULT = "INFO"; TUNABLE = ANYTIME; DESCRIPTION = "Determines the log even for event based traces"; } { Property = Debug_level; Extension; Per_node; Int; Min = 0; Max = 2; Default = 0; Tunable = ANYTIME; Description = "Debug level"; } { Property = Domain_name; Extension; String; Minlength = 1; Tunable = WHEN_DISABLED; Description = "LDoms Guest Domain name"; } { Property = Migration_type; Extension; Enum { NORMAL, MIGRATE }; Default = "MIGRATE"; Tunable = ANYTIME; Description = "Type of guest domain migration to subsist performed"; } { PROPERTY = Plugin_probe; EXTENSION; STRING; DEFAULT = ""; TUNABLE = ANYTIME; DESCRIPTION = "Script or command to check the guest domain"; } { PROPERTY = Password_file; EXTENSION; STRING; DEFAULT = ""; TUNABLE = WHEN_DISABLED; DESCRIPTION = "The complete path to the file containing the target host password"; } scdsbuilder GUI

    To customize an agent beyond what is permitted by the GDS, you can employ the Agent Builder command, scdsbuilder (see the scdsbuilder(1HA) man page). This command has three code generation options, and the resulting files are wrapped in a Solaris package that you can install on your cluster nodes:

  • DSDL code (see the section "Data Service development Library").
  • ksh code, including complete the necessary scha_control commands (see the section "Resource Management API"). With the ksh code, you are creating your own resource type.
  • A ksh registration script for a GDS agent. Here, the code generates the arrogate clresource create command.
  • You can customize the resulting code to your specific needs. However, with the ksh registration script for the GDS agent, the scope for modification is limited. The illustration in design 4.7 shows the employ of the third option.

    Figure 4.7

    Figure 4.7 Using the scdsbuilder GUI to create a fresh resource type

    The scdsbuilder command starts the Solaris Cluster Agent Builder GUI, as shown in design 4.7. In this example, data has already been specified for each sphere available to the user. A short code of SUNW is specified for the vendor name, and tstgds is specified for the application name. This data is then used to generate both the appellation of the package that Agent Builder creates for you and the appellation of the resource kind that you will subsequently use.

    The information you provide in the other fields is used as follows:

  • The RT version enables you to specify a version number for this resource type. You can identify which version of the agent you are running when it is placed into production.
  • The working directory is used by Agent Builder as a working belt in which it can create your package and write other associated, intermediate files.
  • Your target application determines whether you select the scalable or failover option. If a particular instance of an application can hasten on multiple nodes at once without corrupting any of its data files, then you can select the scalable option. A beneficial illustration of such an application is a web server. For complete other applications, such as databases and file services, select the failover option.
  • The Network vigilant check box is used to determine whether any resource created using this resource kind needs to beget the port_list property set. The port_list property is then used by the GDS service to provide a simple probe mechanism.
  • The source kind option determines whether the resulting code uses the C programming language, ksh, or the GDS (see the section "SUNW.gds" in Chapter 2, "Oracle Solaris Cluster: Features and Architecture") to create the data service. To employ the C option, you must beget a C compiler installed on your system.
  • After you beget entered the data and clicked on the Next button, you are presented with the screen shown in design 4.8.

    Figure 4.8

    Figure 4.8 Completing the resource kind definition using scdsbuilder

    Integrating Your Application-Specific Logic

    You employ the fields in this second screen to provide the location of the programs (which can subsist compiled executables or scripts) and their associated arguments that will subsist used to start, stop, probe, and validate your data service when it is installed on the target cluster nodes. For each program, you can set a time circumscribe on how long it can assume for the program to complete. If the program does not complete within the allocated time period, then the resource is placed into a failed state, such as STOP_FAILED.

    You are required to provide a value only for the start program. complete the other programs are optional. Any programs specified must exit with a recur code of zero only when they beget successfully completed their work. If they fail to fulfill their allotted task, they must recur a value greater than 100. Values below that are used by the Solaris Cluster commands and beget specific meanings (see the intro(1CL) man page).

    The programs you allot to the start and cease commands must recur successfully only when your target application has actually completed the material operation. If the cease command leaves the application under its control running, or not completely stopped, but the cease command returns successfully, then the cluster framework erroneously determines that it is safe to start the resource group on another cluster node. In some instances, particularly when the application uses a global file system, this outcome could result in data corruption because the two instances of the application could write to their data files in an uncontrolled fashion.

    If no cease command is provided, the process tree that results from the start command is terminated using the cancel command.

    The validate command enables you to check that your application is correctly configured on complete the potential nodes on which it can run. Again, if the program determines that your application is misconfigured, the validate program must exit with a nonzero exit code.

    The capability to incorporate a probe command is one of the key benefits of using the Solaris Cluster framework. A probe command enables you to write a program that determines the health of your application. As an example, if you are writing a probe for a database, you could test whether it can execute basic SQL statements, such as creating or deleting a table, or adding or deleting a record. If you conclude not provide a probe script, then default methods are used instead.

    For non-network-aware applications, the process-monitoring command pmfadm (see the pmfadm(1M) man page) monitors the process tree spawned by your start command. Only if complete the processes beget failed will the cluster framework attempt to restart the service. Therefore, if your service consists of multiple processes and only one process fails, then pmfadm will not recognize this frailty unless it causes complete the other processes to fail as well. Consequently, if you necessity to monitor your application with a higher degree of granularity, you must provide a custom frailty probe.

    If the application is network-aware, then the default probe tries to open the port listed in the port_list property. Because this is a simple probe, it makes no attempt to retrieve any data. Even if the default probe successfully opens the ports, that does not necessarily witness overall application health.

    In the preceding example, you would install the package generated by scdsbuilder on complete your cluster nodes. You would then register the fresh resource kind so that you could create fresh resources of this type. When the RGM is requested to create a resource, it calls the validate command: /usr/local/bin/my_validate -o some_param. If that command succeeds and you enable the resource, the RGM calls the /usr/local/bin/my_start -r foo-rs -g bar-rg command. In both cases, the initial arguments are fixed, but you can modify them subsequently using the clresource command.

    Resource kind Registration File

    If you conclude to write an agent from scratch using either the RMAPI or DSDL APIs, you must first recount the properties of your proposed resource kind in a file known as the resource kind registration (RTR) file. This file provides the RGM with details on which programs to convoke and which variables are required to control the particular application.

    Example 4.18 shows an extract from the SUNW.LogicalHostname RTR file. As the illustration shows, complete the programs for this resource kind are located in the directory defined by RT_BASEDIR. The RTR file too defines programs that will, among other tasks, start, stop, and probe (Monitor_start) the analytic IP address that the resource plumbs. These addresses are, in turn, defined in the HostnameList property.

    The extension properties you define are complete application-specific. They could, for example, mention to the location of the software binaries, that is, the application home directory. If a property has a default value, then you can define it in the RTR file to deliver your system administrator from having to override it each time he or she creates a resource of this type. Furthermore, you can situation limits on what values unavoidable properties can assume and when they can subsist changed.

    Example 4.18. Extract from the SUNW.LogicalHostname RTR File

    The following text shows some of the key parts of the RTR file for the SUNW.LogicalHostname resource type:

    # # Copyright 1998-2008 Sun Microsystems, Inc. complete rights reserved. # employ is theme to license terms. # #ident "@(#)SUNW.LogicalHostname 1.20 08/05/20 SMI" # Registration information and Paramtable for HA Failover IPaddress # # NOTE: Keywords are case insensitive, i.e. users may employ any # capitalization style they wish # RESOURCE_TYPE ="LogicalHostname"; VENDOR_ID = SUNW; RT_DESCRIPTION = "Logical Hostname Resource Type"; SYSDEFINED_TYPE = LOGICAL_HOSTNAME; RT_VERSION ="3"; API_VERSION = 2; INIT_NODES = RG_PRIMARIES; RT_BASEDIR=/usr/cluster/lib/rgm/rt/hafoip; FAILOVER = TRUE; # To enable Global_zone_override GLOBAL_ZONE = TRUE; START = hafoip_start; STOP = hafoip_stop; PRENET_START = hafoip_prenet_start; VALIDATE = hafoip_validate; UPDATE = hafoip_update; MONITOR_START = hafoip_monitor_start; MONITOR_STOP = hafoip_monitor_stop; MONITOR_CHECK = hafoip_monitor_check; PKGLIST = SUNWscu; # # Upgrade directives # #$upgrade #$upgrade_from "1.0" anytime #$upgrade_from "2" anytime # The paramtable is a list of bracketed resource property declarations # that attain after the resource-type declarations # The property-name declaration must subsist the first attribute # after the open curly of a paramtable entry # # The Paramtable cannot hold TIMEOUT properties for methods # that aren't in the RT { PROPERTY = Start_timeout; MIN=360; DEFAULT=500; } . . . # HostnameList: List of hostnames managed by this resource. complete must be # on the very subnet. If necessity > 1 subnet with a RG, create as many # resources as there are subnets. { PROPERTY = HostnameList; EXTENSION; STRINGARRAY; TUNABLE = AT_CREATION; DESCRIPTION = "List of hostnames this resource manages"; } . . . Resource Management API

    The Resource Management API (RMAPI) is a set of low-level functions contained in the libscha.so library with both C and shell interfaces. complete the duty names provided by this interface are prefixed with scha_. The shell interfaces are listed in section 1HA of the Solaris Cluster manual pages.

    The ksh scripts generated by the Agent Builder are built using these commands, so you can insert additional lines in this code where the comments indicate. However, for greater control over the logic imposed on your application you must write your application agent from scratch.

    Data Service development Library

    The Data Service development Library (DSDL) is a set of higher-level functions encapsulated in the libdsdev.so library that builds on the RMAPI functionality. This library can only subsist accessed using a C programming language interface. Consequently, it is potentially more time-consuming to write a complete application agent using this approach, although it does present the greatest even of performance and flexibility.

    If you used Agent Builder to create a resource type, you can customize it by inserting extra DSDL code where the comments indicate. Otherwise, you must write your agent from scratch.

    All the duty names provided by the library are prefixed with scds_ and are documented in section 3HA of the Solaris Cluster manual pages. The NFS agent source code [NFSAgent] serves as a beneficial illustration of how these APIs are used. Using the nfs_svc_start.c source as a specific example, the library is initialized with scds_initialize(). Resource and resource group names are then retrieved using scds_get_resource_name() and scds_get_resource_group_name() calls, respectively. Finally, the status of the resource is set by the RMAPI scha_resource_setstatus() call. Most of the coding effort involved with using these interfaces is consumed by the logic that describes how the agent should behave in various failure scenarios. For example, how many times should the agent attempt to restart the service before giving up and potentially failing over? What should the agent conclude in response to a network failure?

    One handicap of using the GDS is that complete the best practices for service conduct are already in the logic of the code that makes up the agent, saving you from re-creating that code.

    Useful Utilities for building Custom Data Services

    The Solaris Cluster software comes with two programs that you will find very useful if you create your resource kind from scratch: hatimerun (see the hatimerun(1M) man page) and pmfadm.

    hatimerun Command

    Throughout the Start, Stop, Monitor_start, and Validate methods of your resource type, you will necessity to hasten various programs to fulfill the required logic steps. Because your goal is elevated availability, you cannot wait for a program that might never respond or return, whether that program has gone into a loop or is unable to retrieve some essential data from the network, disk, or other program. Consequently, you must situation time constraints on the duration of the program's execution. This is the duty of the hatimerun command. It enables you to execute a program under its control and set a circumscribe on the time it can assume to respond. If the program in question fails to respond in a timely fashion, it is terminated by default.

    The hatimerun command too enables you to leave the program running asynchronously in the background, change the exit code returned after a timeout, or employ a particular signal to terminate your program.

    The most common usage of this command is in your probe commands or in the steps leading up to stopping or starting your application.

    pmfadm Command

    If you write a custom probe for your service, you conclude what constitutes a robust service. The criteria might embrace application-specific checks to determine if the data it is delivering to potential clients is cogent or timely. If the application consists of multiple processes, you might want to check that each process is running, using the ps command. complete of these tests combine to give you the best assessment of your application's current health. However, your probe is scheduled to Make its checks only at regular intervals. Even though you can tune these checks to occur at shorter intervals, doing so results in a greater load on your system. Consequently, you must wait, on average, half the probe era before your probe detects a situation where your application has completely failed, import that complete the processes beget exited. Once again, this does not abet much toward your goal of elevated availability.

    The solution is to employ pmfadm, the process-monitoring facility command. When you start your application under pmfadm, it monitors complete the processes your application spawns to a even that you determine. By default, it monitors complete the application's child processes. If they complete exit, pmfadm immediately restarts your application for you on the condition that it has not already exceeded a preset number of restarts within a unavoidable time interval.

    The most common usage of this command is in your start command to ensure that your key application processes are monitored and that complete failures are reacted to immediately.

    libschost.so Library

    Some applications store or Make employ of configuration information about the physical hostname of the server on which the application is running. Such applications will most likely fail when the application is placed in a resource group and moved between the nodes of a cluster. This failure occurs because calls to uname or gethostbyname produce different responses on the global zone of each cluster node. Oracle Application Server and the Oracle E-Business Suite are two examples of programs that risk such failures [LibHost].

    To overcome this limitation, you employ the LD_PRELOAD feature to enable the runtime linker to interpose the libschost.so.1 library in the dynamic linking process. The following illustration shows how this is done. You can employ the very construct within your resource Start or Monitor_start (probe) methods, as required.

    Example 4.19. How to employ the sclibhost.so.1 Library to Change the String Returned as the Hostname

    Use the uname command to array the current hostname.

    # uname -n phys-winter1

    Set the LD_PRELOAD_32, LD_PRELOAD_64 and SC_LHOSTNAME environment variables, and then rerun the uname command.

    # LD_PRELOAD_32=$LD_PRELOAD_32:/usr/cluster/lib/libschost.so.1 # LD_PRELOAD_64=$LD_PRELOAD_64:/usr/cluster/lib/64/libschost.so.1 # SC_LHOSTNAME=myhost # export SC_LHOSTNAME LD_PRELOAD_32 LD_PRELOAD_64 # uname -n myhost


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