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HP0-717 HP OpenView Network Node Manager I (6.x) - UNIX/NT

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HP0-717 exam Dumps Source : HP OpenView Network Node Manager I (6.x) - UNIX/NT

Test Code : HP0-717
Test appellation : HP OpenView Network Node Manager I (6.x) - UNIX/NT
Vendor appellation : HP
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HP HP OpenView Network Node

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HP Warns of Unpatched OpenView gap | killexams.com true Questions and Pass4sure dumps

HP has warned that its network management tool suffers from a vulnerability security consultants are calling "reasonably vital."

in keeping with a security bulletin posted on the HP net site (registration required), a vulnerability in the Openview network Node supervisor (OV NNM) might enable malicious americans faraway access to affected techniques.

in response to HP, there are complications with OV NNM types 6.2, 6.four, 7.01 and 7.50 operating on HP-UX, Solaris, home windows NT, windows 2000, windows XP and Linux.

in response to an advisory posted on security business Secunia's internet web page, input passed as a parameter to the script cgi-bin/connectedNodes.ovpl isn't "safely sanitized earlier than getting used as command line arguments." The ensuing command "may furthermore subsist exploited to execute capricious shell commands by means of a especially crafted string containing shell meta characters."

The advisory furthermore says the cdpView.ovpl, freeIPaddrs.ovpl, and ecscmg.ovpl scripts are reportedly furthermore susceptible.

until HP releases a patch, the enterprise advises users to flood the connectedNodes.ovpl, cdpView.ovpl, freeIPaddrs.ovpl and ecscmg.ovpl scripts to another directory.


All within the household: A Revealing study HP’s windows 2000 functions and products | killexams.com true Questions and Pass4sure dumps

All within the household: A Revealing analyze HP’s windows 2000 services and items

HP, as a Microsoft home windows 2000 global Launch companion, printed its aggressive functions strategy and a few current items on the simultaneous Mircosoft Expo. HP is abundantly prepared to assist windows 2000 with the complete family of hardware products and a complete service program.

The three-day Microsoft home windows 2000 conference and Expo held in San Francisco turned into attended through a few thousand keen IT authorities. not enjoy Microsoft’s past main, customer-primarily based product launches, this adventure was very subdued, most likely to mirror the strict nature of company computing. HP, as a Microsoft windows 2000 international Launch associate, revealed its personal aggressive features strategy and a pair of current items.

In an fashion this is common of HP, the enterprise is abundantly prepared to assist windows 2000 with the finished family unit of hardware items and a complete carrier program. one of the most telling examples of HP’s commitment to windows 2000 turned into the fresh formation of the Microsoft capabilities company. (See sidebar conversation with HP universal manager David Stubbs.) the brand current company unit is dedicated to helping valued clientele plan, design, implement and maintain Microsoft applied sciences throughout the enterprise to bring what they hope to subsist bulletproof computing environments.

The outward relationship between HP and Microsoft exhibited bar not one the artery through the event changed into bar not one grins and thumbs-up. although there existed some in the back of-the-scenes challenge regarding future product conflicts, Microsoft’s vice president of home windows advertising and marketing, Deborah Willingham, officially echoed the mutual love through stating, "we're delighted that HP is offering any such complete latitude of hardware, application, features and inspirit for windows 2000. The depth of HP’s capabilities, which consist of consulting, migration features, license administration and working towards, will give their mutual purchasers the crucial services they want."

Jim Allchin, Microsoft group vice chairman for home windows structures, underscored these views. "HP is building notebook systems that are entirely optimized for home windows 2000 … via combining world-class products and services from Microsoft and HP, shoppers subsist pleased a smoother migration route and a extra consistent, manageable person adventure."

Manageability items

For decades, HP has led the pack in cross platform community management tools. With the unencumber of home windows 2000, HP has made a renewed dedication to its flagship OpenView suite. OpenView Microsoft Alliance supervisor, John Renshaw, and Product supervisor, Pam Peterson, eagerly promoted the current windows 2000 manageability tools.

The huge news is whatever referred to as Vantage point for home windows, a group of technologies that changed into developed for commercial enterprise windows 2000 manageability. based on Renshaw, "Vantage point offers right intelligence case monitoring, and the capacity to proactively subsist awake what's being run. Vantage point and OpenView categorical hold been built from the floor-as much as inspirit home windows 2000. This makes it practicable for huge scalability."

constructing from its present enterprise successes, HP OpenView express is designed for mid-measurement organisations working windows 2000 and different working systems. It combines HP OpenView ManageX for proactive server control and administration, OpenView network Node manager for network administration and adventure notification, and OpenView OmniBack II for backup and retrieval of kept digital information. This suite enables quicker hardship isolation and backbone by artery of integrating network tips. by using adventure correlation, alarms, reporting and threshold establishment, the enterprise gear administrator is afforded gear to manage and troubleshoot.

HP OpenView gives policy-primarily based administration to monitor windows 2000 programs, in accordance with predefined thresholds. action can subsist taken when failure or degradation is organize in CPU utilization, reminiscence usage, disk utilization or performance reliability. OpenView can even subsist used to instantly restart windows 2000 capabilities when thresholds are exceeded.

When requested about its relationship to windows 2000 lively listing, Renshaw mentioned that a substantial amount of ail has long past into presenting APIs for future building. at this time, the connection is rather fundamental, however plans for further integration are in the works. As to the connection of HP’s management tools with Microsoft’s gadget administration Server product, HP become less definitive. "We confidence them complementary at this stage, however there could subsist some performance overlap in the future … they are able to ought to view things improve."

In a facet discussion with the CIO of artistic Artists company (CAA), Michael Keithley, they organize out a huge fan of OpenView express. He gave an instance of the necessities that CAA has for storing and retrieving the massive quantities of streaming digital records linked to the film, tv and recording industry. The should hastily succumb digital content about their customers is a vital factor of their success. Keithley states that the "OmniBack feature, in selected, more than surpassed their expectations. running OpenView express on windows 2000 offers both performance and decreased expenses." The business presently uses 45 HP four- and eight-approach NetServer LPr, and LX 8000 and 8500 programs. moreover, it has 25 HP NetServers in vicinity to inspirit file, print, fax and e-mail services.

a different censorious application suite introduced for lead on home windows 2000 is HP TopTools. This set of utilities displays gear actions and alerts users of pending fraction failure or different odds issues.

improved safety Bundle

one of the key price-introduced components to the home windows 2000 combine offered by using HP is its superior protection products. Denis Bournival, HP software supervisor, shared his strategies on these safety initiatives.

The HP ProtectTools 2000 optimizes the security features already obtainable in windows 2000. "the universal public Key Infrastructure (PKI) facets of the OS are further improved, as an instance, through the current HP sensible Card readers," states Bournival. "This expertise is finding acceptance throughout industries, with highest require in economic, government, and business to enterprise information superhighway settings."

HP views the ProtectTool 2000 as a transaction-enabling expertise through the use of virtual deepest Networks. "IPSec efficiency is additionally greatly improved," concludes Bournival.

HP takes the conception of their security bundle one step extra. one of the vital underrated areas of enterprise security pertains to power management. If the device fails, costly information can subsist lost. according to this challenge, HP introduced the HP punch insurance plot device for windows 2000. Designed to drudgery directly with the home windows 2000 professional hibernation mode, this compact gear suits into a laptop solitary free growth shelf. The punch insurance policy gadget is utterly automatic, no matter if the computer is unattended, in sleep mode, in "suspend" mode, or in "droop to RAM" mode. bar not one open file and person desktop atmosphere backup is performed in case of vigour failure, shutting down the computer, cleanly and securely, within 5 seconds.

features

HP is extremely aggressive in providing its home windows 2000 features. In a dialog with Ian Bromehead, who manages the world Microsoft solutions capabilities heart in Grenoble, France, he indicated that HP has opened operations around the world to assist windows 2000 proof-of-conception testing, planning and migration. "We want customers to journey home windows 2000 in a true-world environment after which to prototype their business with knowledgeable guide."

The windows 2000 Readiness evaluation programs are designed to inspirit consumers maintain in intellect their present IT atmosphere and to contrast these wants towards the combined items and features provided through HP and Microsoft. HP consultants drudgery with customers to bring significant and sophisticated implementations in a controlled examine environment. The Server and Storage Consolidation Planning software is designed to inspirit shoppers to foster and control an architectural fashion that optimizes home windows 2000 technology.


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HP OpenView Network Node Manager I (6.x) - UNIX/NT

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OpenView Delves Deeper Into Systems Management | killexams.com true questions and Pass4sure dumps

Hewlett-Packard has been delving deeper and deeper into crossplatform enterprise systems management, through a train of technology investments in OpenView. Now, users and analysts are definitely emotion the impact.

When it comes to heterogenous environments, OpenView is a sturdy player, according to Bill Emmett, solutions manager at HP. "OpenView compares favorably to IBM Tivoli and CA-Unicenter on the basis of both cost effectiveness and modular, plug-and-play architecture," he contends. Aside from its myriad API interfaces, Emmett emphasizes OpenView's uphold for myriad operating systems and multiple "open standards."

Emmett's enthusiasm isn't surprising, since vendors typically tout their own products. Some users and analysts, though, are equally gung-ho.

Tim Hagan, VP of IT operations and engineering for Zurich Life, says it took him and a pair of other people less than 90 days to deploy OpenView in a complicated summon heart environment.

Zurich Life is using OpenView to manage about 110 servers and 65 databases in two physical locations. The systems are running HP-UX, Sun Solaris, IBM AIX, and Microsoft Windows 2000, NT, and XP. Zurich is operating OpenView on HP-UX servers, but the systems management platform runs on Sun Solaris and Microsoft Windows servers, too.

No Longer "Just a Network Node Manager"When Hagan first came to Zurich Life in January of 2000, the insurance firm was still using HP's musty Network Node Manager. "That was one of the reasons I was hired. It didn't pain that I'd had prior success with OpenView in an earlier job. I knew that OpenView has a very open architecture, and that it would very quickly tie in with their (other) existing platforms and tools," according to Hagan.

The current OpenView product does comprise Network Node Manager as one of its myriad optional modules. Used for network ingredient discovery, layout, inventory and performance, it connects with HP OpenView Operations for cross-discipline administration.

"The musty Network Node Manager (alone) was a very reactive environment, though. They kept hearing about outages from their internal customers. We'd pick up the symptoms and descriptions after the events had already happened. We'd finish up looking not so good, and sometimes we'd necessity to bring in a bunch of people to inspirit fix the problem," Hagan says..

"With OpenView, however, we've become instantly proactive. They can avert problems, and we're awake of problems that consequence occur before the users even know about them. If a customer calls, they can say, 'A danger ticket has already been created, and a page has been sent out. Such-and-such application will subsist up in an hour or two.'"

HP needs to subsist a software playerSome critics quarrel that OpenView can't subsist bar not one that principal to HP, since HP's hardware revenues far outweigh the software side. However, industry analyst Jasmine Noel disputes that conclusion.

Noel points to a number of industry trends affecting HP, as well as other industry providers. "Margins on computing hardware maintain declining; computing-based business services are now censorious to enterprise success; and successful delivery of business services requires management of the entire compting stack," she says.

"The computing stack in every large enterprise continues to subsist heterogenous," adds Noel, who is principal at JNoel Associates. "This combination of trends requires HP to hold a heterogenous management solution (in order to present) a credible software sage to enterprise customers."

Noel furthermore likes the investments HP is making in "intelligent" management, for more efficient administration, and in industry partnerships, for better interoperability with other vendors' products.

OpenView's EvolutionEmmett notes that HP first moved into systems management with Network Node Manager in 1988. "We used what technology was available at the time, including SNMP. They then started adding more and more capabilities," he adds. Acquisitions helped HP to build up OpenView. In 1997, for instance, HP bought Prolin, the Netherlands-based maker of the IT Service Manager suite.

At this point, HP's large OpenView family revolves largely around Operations Monitor and Performance Monitor. Each monitoring product has agents running on bar not one major platforms, ranging from Linux to MVS.

Operations Manager is the central enterprise console, for an end-to-end view of the enterprise that includes client PCs, the network, applications, and database. Performance Monitor provides tools such as a graphing duty and reports for monitoring and analyzing resource utilization.

For better interoperability, OpenView complies with standards ranging from SNMP and RMON to OMI. "We often sit on standards committees, in fact," according to Emmett.

HP furthermore offers a set of templates, known as Smart Plug-Ins (SPIs), for configuring third-party tools. "The Smart Plug-In knows where to find the log files in Oracle, for instance," Emmett illustrates.

The HP Operations Manager can furthermore subsist combined with OpenView Service Navigator, Service Information Portal, Service Desk, and Internet Services, as well as with Network Node Manager, for example.

Service Navigator uses information captured in the SPIs to let administrators drill down to discover root causes for potential problems. If a warning flashes because application performance is degrading, the administrator can drill down through the database and storage system to find out that a disk is overheating, for instance, according to Emmett.

Service Navigator furthermore includes "impact analysis" capabilities for determining which databases and applications are likely to suffer, and the plane of severity of the impending hit. OpenView uses color coding to betoken six different severity states.

Administrators can automate response sequence, such as paging an administrator or failing over to a backup server, for example. An optional add-on known as Advanced Security provides authentication and data encryption.

As Emmett sees it, OpenView has two main sets of competitors: "framework vendors" (such as IBM Tivoli and CA) and "point tool vendors." BA Patrol, he says, "falls somewhere in between."

Deployment in 88 days"My company granted us 180 days for OpenView deployment. I set up a much more aggressive schedule of 90 days, but they were able to finish up in 88 days," Hagan says. Hagan worked on the rollout at Zurich Life with one fulltime consultant, plus one employee. The employee spent 50 percent of his time on the OpenView rollout, and the other half of his time on Unix administration.

"One principal piece was to originate certain they got the requirements for alarms monitors and thresholds from bar not one of the associated systems managers. They didn't want to subsist paging someone at 3 am, just because server capacity had reached 90 percent," Hagan recalls.

Hagan claims that he's gotten extensive cooperation from bar not one across his company. "Our e-commerce team thinks OpenView is wonderful. What you can consequence with OpenView is limited only by your imagination."

Zurich Life has already used HP's SPIs to integrate Oracle, Sybase SQL Server, and several third-party management tools. Hagan says the company is now testing SPIs for Lotus Notes and Ciscoworks, for instance.

Zurich did account other systems management products, such as Tivoli, Unicenter, and Patrol. "Some products, though, don't provide data that's as meaningful, and some hold longer implementation times. They didn't hold a huge staff to roll this out," Hagan points out.

More automation on the way"Windows, Solaris, and HP-UX. Those are the server environments that systems management products typically sprint on, although sometimes you pick up one or two others, depending on the vendor's partnerships," Noel observes..

Beyond that, Noel doesn't want to compare OpenView with other systems management products. "Each one is too different," she maintains.

The analyst is especially impressed, though, with HP's future plans for simplifying systems and automating service plane management with OpenView.

"HP's message it their target market is that corporate IT departments that operate as business partners will subsist more successful, less prone to costcutting measures, and less likely to subsist outsourced," according to Noel.

"HP has two overall messages about its solutions. The first is (that) HP solutions inspirit corporate IT deliver better services with fewer resources and lower costs. The proverbial silver bullet HP OpenView offers is service plane management. HP expands the definition of service plane management from the current understanding of monitoring and alerting on SLA violations to one of a process of defining,provisioning, managing, and optimizing the resources delivering the service," according to Noel.

"HP's second message is (that) their solution set is both comprehensive and innovative. (The message) is comprehensive in that HP has solutions for every aspect of service plane management and continues to add capabilities. (It is) innovative in that HP's newest products address how current technologies change the management requirements."

HP's three-year roadmap calls for further improvements to integration, infrastructure, and storage management; development of a Service plane demur Model; and delivery of products "that aid in the diagnostic process," the analyst notes.

On the integration side, for instance, HP is now in the process of consolidating its multiple integration APIs into a solitary toolkit for third party vendors.

With the Service plane demur Model, HP is looking to "grab bar not one the information, and do it into a common format, so it's easier to partake information as you poke from one step in the process to the other," according to Noel.

In terms of infrastructure coverage, HP is working on Web Services standards and protocols such as J2EE, WebMethods' OMI initiative, and Microsoft's .NET servers.

Some of OpenView's latest products, such as OpenView Transaction Manager, can monitor J2EE and .NET services and applications. For the future, though, HP plans to build in more intelligence.

"You can monitor 100 things in J2EE, but which ones are most important? right now, you only pick up that by using (OpenView) for a while. Also, you can track the path a transaction took through .NET, but you can only consequence this after-the-fact. HP wants to bring this into realtime," she says.

HP now offers SPIs for WebMethods, Microsoft .NET, and SunOne Web Services - SOAP Engine, for example. At least 40 SPIs are provided, bar not one told.

Other recently added OpenView products comprise Service Activator, for automating the delivery of services offered by hosting providers; and Data Protector, a replacement for OpenView Omniback II.

Data Protector is designed for integrated management of disk-based and tape-based recovery across multiple OS, applications, and storage architectures. Administrators can manage both recovery time and recovery point objectives.

HP integrates CompaqWith the Compaq acquisition, HP is now working on integrating Compaq's products into its systems administration mix. Compaq Insight Manager will continue to subsist used only in Wintel environments, since its administration capabilities are hardware-oriented, Emmett says.

However, Compaq's TeMIP product for telco administration is now being ported by HP from Tru64 - which was originally DEC Unix - to HP-UX and Solaris, Emmett adds.

Essentially, editions of OpenView for HP-UX, Solaris and Windows proffer the same capabilities. "But we're furthermore taking odds of the characteristics of each platform. The Windows version was designed for Windows from the ground up. It makes use of Windows drag-and-drop, for instance," Emmett says.

OpenView is Windows 2000-certified. On he Windows side, the product furthermore uses Microsoft technologies that comprise MMC, WMI, CIM, DCOM, Visual Basic scripting, HTML/XML, HTTP/SOAP, Internet Explorer, and IIS.

"Meanwhile, we're furthermore keeping their eyes open for other potential server platforms, including Linux," adds HP's Emmett.

» view bar not one Articles by Columnist Jacqueline Emigh


All in the Family: A Revealing discover at HP’s Windows 2000 Services and Products | killexams.com true questions and Pass4sure dumps

All in the Family: A Revealing discover at HP’s Windows 2000 Services and Products

HP, as a Microsoft Windows 2000 Global Launch Partner, revealed its aggressive services strategy and a number of current products at the recent Mircosoft Expo. HP is abundantly prepared to uphold Windows 2000 with the complete family of hardware products and a comprehensive service program.

The three-day Microsoft Windows 2000 Conference and Expo held in San Francisco was attended by several thousand keen IT professionals. Unlike Microsoft’s past major, customer-based product launches, this event was very subdued, presumably to reflect the sober nature of business computing. HP, as a Microsoft Windows 2000 Global Launch Partner, revealed its own aggressive services strategy and a number of current products.

In an approach that is typical of HP, the company is abundantly prepared to uphold Windows 2000 with the complete family of hardware products and a comprehensive service program. One of the most telling examples of HP’s commitment to Windows 2000 was the recent formation of the Microsoft Services Organization. (See sidebar conversation with HP universal Manager David Stubbs.) The current business unit is dedicated to helping customers plan, design, implement and maintain Microsoft technologies across the enterprise to deliver what they hope to subsist bulletproof computing environments.

The outward relationship between HP and Microsoft exhibited during the event was bar not one grins and thumbs-up. Although there existed some behind-the-scenes concern regarding future product conflicts, Microsoft’s Vice President of Windows Marketing, Deborah Willingham, officially echoed the mutual love by stating, "We are thrilled that HP is presenting such a comprehensive ambit of hardware, software, services and uphold for Windows 2000. The depth of HP’s services, which comprise consulting, migration services, license management and training, will give their mutual customers the crucial services they need."

Jim Allchin, Microsoft Group Vice President for Windows Platforms, underscored these views. "HP is building PC systems that are fully optimized for Windows 2000 … by combining world-class products and services from Microsoft and HP, customers subsist pleased a smoother migration path and a more consistent, manageable user experience."

Manageability Products

For many years, HP has led the pack in cross platform network management tools. With the release of Windows 2000, HP has made a renewed commitment to its flagship OpenView suite. OpenView Microsoft Alliance Manager, John Renshaw, and Product Manager, Pam Peterson, eagerly promoted the current Windows 2000 manageability tools.

The broad news is something called Vantage Point for Windows, a collection of technologies that was developed for enterprise Windows 2000 manageability. According to Renshaw, "Vantage Point provides true intelligence instance tracking, and the capacity to proactively understand what is being run. Vantage Point and OpenView Express were built from the ground-up to uphold Windows 2000. This allows significant scalability."

Building from its current enterprise successes, HP OpenView Express is designed for mid-size enterprises running Windows 2000 and other operating systems. It combines HP OpenView ManageX for proactive server control and management, OpenView Network Node Manager for network administration and event notification, and OpenView OmniBack II for backup and retrieval of stored digital data. This suite facilitates quicker problem isolation and resolution by integrating network information. Through the use of event correlation, alarms, reporting and threshold establishment, the enterprise system administrator is afforded tools to manage and troubleshoot.

HP OpenView provides policy-based management to monitor Windows 2000 systems, based on predefined thresholds. Action can subsist taken when failure or degradation is organize in CPU utilization, memory usage, disk utilization or performance reliability. OpenView can furthermore subsist used to automatically restart Windows 2000 services when thresholds are exceeded.

When asked about its relationship to Windows 2000 active Directory, Renshaw stated that a considerable amount of ail has gone into providing APIs for future development. At this time, the relationship is rather basic, but plans for further integration are in the works. As to the relationship of HP’s management tools with Microsoft’s System Management Server product, HP was less definitive. "We account them complementary at this stage, but there may subsist some functionality overlap in the future … they will hold to view things develop."

In a side discussion with the CIO of Creative Artists Agency (CAA), Michael Keithley, they discovered a broad fan of OpenView Express. He gave an case of the requirements that CAA has for storing and retrieving the large amounts of streaming digital data associated with the film, television and recording industry. The necessity to rapidly succumb digital content about their clients is an principal factor of their success. Keithley states that the "OmniBack feature, in particular, more than exceeded their expectations. Running OpenView Express on Windows 2000 provides both performance and reduced costs." The company currently uses 45 HP 4- and 8-way NetServer LPr, and LX 8000 and 8500 systems. In addition, it has 25 HP NetServers in site to uphold file, print, fax and e-mail services.

Another principal application suite introduced for uphold on Windows 2000 is HP TopTools. This set of utilities monitors system activities and alerts users of pending component failure or other potential problems.

Enhanced Security Bundle

One of the key value-added components to the Windows 2000 fuse offered by HP is its advanced security products. Denis Bournival, HP Program Manager, shared his thoughts on these security initiatives.

The HP ProtectTools 2000 optimizes the security features already available in Windows 2000. "The Public Key Infrastructure (PKI) features of the OS are further enhanced, for example, by the current HP Smart Card readers," states Bournival. "This technology is finding acceptance across industries, with highest require in financial, government, and business to business Internet settings."

HP views the ProtectTool 2000 as a transaction-enabling technology through the use of Virtual Private Networks. "IPSec performance is furthermore significantly improved," concludes Bournival.

HP takes the concept of their security bundle one step further. One of the most underrated areas of enterprise security relates to power management. If the system fails, costly data could subsist lost. In response to this issue, HP announced the HP Power Protection Device for Windows 2000. Designed to drudgery directly with the Windows 2000 Professional hibernation mode, this compact device fits into a PC solitary free expansion shelf. The Power Protection Device is fully automatic, whether the PC is unattended, in sleep mode, in "suspend" mode, or in "Suspend to RAM" mode. bar not one open file and user desktop environment backup is performed in case of power failure, shutting down the PC, cleanly and securely, within five seconds.

Services

HP is extremely aggressive in offering its Windows 2000 services. In a conversation with Ian Bromehead, who manages the Global Microsoft Solutions Services heart in Grenoble, France, he indicated that HP has opened operations around the world to uphold Windows 2000 proof-of-concept testing, planning and migration. "We want customers to taste Windows 2000 in a real-world environment and then to prototype their enterprise with expert support."

The Windows 2000 Readiness Assessment programs are designed to inspirit clients understand their current IT environment and to contrast these needs against the combined products and services offered by HP and Microsoft. HP consultants drudgery with customers to deliver large and complicated implementations in a controlled test environment. The Server and Storage Consolidation Planning program is designed to assist customers to develop and manage an architectural strategy that optimizes Windows 2000 technology.


Testing HP's SureStore NetStorage 6000 NAS | killexams.com true questions and Pass4sure dumps

OpenBench Labs goes under the hood of Hewlett-Packard's NAS server, unveiling some arresting performance results.

By Jack Fegreus

The explosive growth in storage is expressing itself in current definitions of what constitutes "the system." An arresting notion for system managers is attached storage, particularly network-attached storage (NAS).

Just a few years ago it was unthinkable to account adding storage to a "system" without taking the system down, taking the hardware apart, and physically putting disks into an enclosure. Once the hardware was updated, the system-management tasks, including initializing and formatting drives, began.

Enter the realm of NAS and the Hewlett-Packard SureStore NetStorage 6000. This month, OpenBench Labs puts this NAS server through its paces and assesses how users and administrators can profit from the convenience, expandability, and performance of the HP NetStorage 6000.

Whether or not users are awake of the NAS device depends on just how awake they are of their network environment, and how well the operations staff has hidden device configuration from view. Linux users may subsist awake of a current file mount point, while Windows users may subsist awake of using a current or different drive letter. However, nobody needs to subsist made awake that the device can subsist actively shared between Linux and Windows systems.

Looking inside HP's NetStorage 6000 yields a different view. The NetStorage 6000 is a fully qualified file server with substantial power and capability. By default, there is 256MB of RAM (which can subsist upgraded to 512MB), a 700MHz Pentium III processor with 256KB cache, and an array of up to ten 36GB hot-swap drives, as well as tape drives to back up local and remote data. The NAS server is powered by a BSD-based network operating system (NOS) stored on gleam ROM.

An embedded Ultra2 SCSI RAID controller manages the storage devices. The storage server is typically presented to the network via an integrated 10/100Mbps Ethernet card. The NetStorage 6000 furthermore offers upgrades to Gigabit Ethernet and 1000Base-SX fiber to cover the necessity for faster network-transmission speeds. Most of the 256MB of memory is dedicated to serve as a cache for clients connecting to the system. Most of the CPU power is allotted to serving the disks across the Ethernet network and to managing the cache.

On the initial boot, the administrator uses the front panel to set up TCP/IP with or without DHCP and to set the network appellation for the NAS device. Once TCP/IP settings are chosen, the HP storage server is rebooted and appears on the network. bar not one other configuration options, including disk configuration, system monitoring and alerting, network interoperability, and security, are achieved by means of a Web interface.

Once the Web interface has started, there are four essential aspects to completing the setup of the HP NetStorage 6000: setting system and alert traps, configuring the disks, setting client connectivity, and setting up backup options. In particular, system and alert settings comprise setting the system time and date, contact information, administrator's password, and means by which notification of a censorious system or hardware failure is to subsist broadcast.

Configuring the disks is easy, but can subsist time-consuming, as each current file volume must subsist formatted. In their test configuration of six 36GB disks, they configured two three-disk RAID-5 file volumes. The Web interface to file-volume management allows the administrator to set volume parameters such as capacity, name, and RAID type. Once file volumes are created, administrators can expand them by simply assigning more storage. Directories are subordinate to file volumes, and directories can subsist created, renamed, and deleted as needed.

Clients can access file volumes via NFS mount points or Windows LAN Manager volume shares. The NetStorage 6000 presents directories that can subsist merged (mounted) into mount points within the customary NFS structure. Unix-like access permissions are set using the Web interface. Systems administrators can set a appellation by which Windows will view the volume partake name. As with endemic Windows sharing, password security can subsist set by the access required. Once the partake is created, it is exposed using SAMBA; Windows clients can gain access to the volume using the Windows endemic "Map Network Drive" interface.

We've deliberately skipped over the details of how the NetStorage 6000 manages disk media and the artery in which it maps physical media into rational disk space that can subsist assigned to file volumes. When you start looking at the raw disk subsystem through the NAS server's interface, you view a collection of physical (raw) drives. These physical drives can subsist joined together into RAID arrays or left as individual devices. The HP NetStorage 6000 interface refers to the disks by their slot number, which is clearly marked on the front of the unit. Individual drives carry different status levels: Empty, Rebuilding, Online, Unassigned, tropical Spare, or Dead.

The hot-spare mechanism presented by the NetStorage 6000 is impressive in its utility and simplicity. When you configure physical drives you assign one or more as a tropical spare. If a physical drive that is fraction of a RAID array fails, the NAS server automatically assigns the first available tropical spare to supplant the failed drive.

HP's NetStorage 6000 cabinet holds ten 36GB disk drives. While those drives could subsist configured to deliver 360GB of storage, neither HP nor OpenBench Labs recommends that approach. Despite the market pressure, HP quotes the maximum capacity as 288GB. This capacity is based on a configuration having two RAID-5 volumes with five disks in each volume.

Redundancy is essential to achieving the levels of reliability today's systems demand. HP ships the NetStorage 6000 with two power supplies, both of which are needed for customary operation. A third, hot-swappable power supply can subsist added so that the system will survive the failure of any solitary power supply. In addition, an uninterruptible power supply (UPS) can subsist connected to the NAS server, which will detect power-failure conditions and report them through its alerting mechanisms.

If the device is to hold censorious corporate data, that data must subsist saved at least daily. If 10% of the data on a fully configured NetStorage 6000 were to change daily, that would require backing up 30GB of data each day. Fortunately, HP solves this backup problem by including an external SCSI port and providing for the installation of a tape drive in an barren disk slot. Software uphold for HP DLT tape is integrated into the NetStorage 6000. Moreover, backup and restore operations can subsist managed from the NAS server's Web interface.

In addition, the NetStorage 6000 provides what HP calls "disk checkpoints." On schedule or on demand, a system administrator can "draw a line" across a file volume. The NAS server responds by writing incoming data to a different place, which preserves the data condition of the file volume. When a client writes data to the volume, the musty data is copied to become a fraction of the checkpoint and the current data is flushed to disk, where it is not a member of the checkpoint.

The checkpoint file, however, resides on disk along with bar not one other data. If the disk is lost, the entire checkpoint is lost. Furthermore, disk checkpoints grow over time. If data changes at a rapid rate, then the active checkpoint files will grow at a correspondingly tall rate. They recommend that if you are going to use disk checkpointing, use an automatic schedule that will automatically delete out-of-date checkpoint files.

Because the HP NetStorage 6000 is a full-fledged NAS server, the implementation of security is fairly straightforward. HP has translated and stylized the security model of the NetStorage 6000 to originate it chummy and functional for both Windows and Linux administrators. The security challenge for the NAS server is to recognize user identity, map those identities to a protection scheme, and then implement access criteria on that basis. Whenever there is a border between systems, such as a network connection, there is the occasion for the malicious user to change the artery that security codes and security settings are interpreted.

In the case of a Linux and/or Unix environment, the NetStorage 6000 stores file permissions in endemic format-it is a BSD-based system. Each file is stored with its inode meta-data, which includes file ownership and file permissions, in the chummy read/write/execute form.

In the Windows model, device security has two parts. First, the owner or administrator of a device or volume must allow access. If access is permitted, then a deliberate step is required to "share" the device.

In the case of Windows NT and Windows 2000, devices are always created with a default administrator share, which grants access to members of administrator groups. In such a Windows domain-security scenario, a domain controller-a PDC/BDC under Windows NT 4 or an active Directory Domain Controller under Windows 2000-authenticates users.

HP allows security to subsist set in both Windows and Unix style. As a result, both Windows and Unix clients can access file volumes without loss of security or protection. The NetStorage 6000 furthermore creates a mechanism for mapping individual file protection between the two architectural schemes. As a result, the NetStorage 6000 integrates easily and almost seamlessly into both Windows and Unix environments.

Nonetheless, account the case in which multiple NetStorage 6000 devices are scattered throughout the network. The NetStorage 6000 accounts for these problems by integrating uphold of two classes of software: network-management and remote-backup applications. From the NetStorage 6000 Web interface, systems administrators can monitor NIC summary data, network activity, status summary, environmental parameters, event-log contents, and CPU utilization.

For large heterogeneous sites, which are likely to hold a fuse of Windows NT, Solaris, and Linux systems, HP NetStorage 6000's tool set includes CA Unicenter TNG Framework and CA ARCserveIT, which sprint on bar not one of these systems. NetStorage 6000 furthermore integrates with HP OpenView Network Node Manager, HP OpenView OmniBack, and Veritas BackupExec. These packages recognize the Net-Storage 6000; identify it by name, icon, and IP address; allow direct access to the NetStorage 6000 Web interface; and process event notifications from the storage subsystem. While the backup applications are explicitly integrated with the NetStorage 6000, most enterprise backup packages provide the facility to back up CIFS and NFS volumes.

Benchmarking the HP NetStorage 6000 was an arresting exercise that yielded equally arresting results. Their goal was to characterize the performance of the NetStorage 6000 and the rate at which it could deliver data to an application. The problem with NAS is the network: While internally the NetStorage 6000 is theoretically capable of pulling data off the disks at 80MBps, the default 100Mbps Ethernet connection-theoretically 12.5MBps-presents a much lower efficient ceiling on data throughput.

We used a Dell 2400 server running Red Hat Linux 6.2 configured with 256MB of RAM-later reduced to 128 MB-to sprint the OpenBench Labs disk benchmark in order to gauge achievable data throughput from the HP NetStorage 6000. bar not one tests of the NAS server used a RAID-5 volume, which was built using three 36GB disks.

Measuring actual disk throughput was complicated by the hardship of isolating the effects of multiple data caches on the drives, RAID controller, HP NetStorage 6000, and Dell PowerEdge client system. These cache effects create orders-of-magnitude differences in disk-subsystem performance for differing workloads. By adjusting the size of the target file on the volume under test and adjusting the amount of memory available on the Dell server, they were able to subdue or enhance the effects of these caches on their respective systems.

While the graphs bid the replete sage of the performance results, here's the summary: The maximum performance they could muster from the entire system was only achieved when fully utilizing the data cache of the Dell PowerEdge server, which was used to access the HP NetStorage 6000. Only when using a data file smaller than the Dell's system memory did they measure efficient throughput in the ambit of 65MBps to 70MBps.

We began running one process, which read a 384MB file sequentially using different read-block sizes. They chose this file size to minimize cache effectiveness on the HP and Dell systems, each of which had been configured with 256MB of RAM.

Surprisingly, they did not measure any significant differences in throughput based on obscure size. At a 2KB obscure size, throughput for one process was 5.08MBps, while at a 128KB obscure size, throughput surged to 5.11MBps. Normally, they would expect to view throughput monotonically increasing with obscure size.

Increasing the number of processes reading the file rapidly increased overall throughput, but varying the read obscure size never affected measured throughput. Using 8KB blocks, the most common I/O obscure size organize in commercial applications, throughput ranged from 4.48MBps with one process up to 16.77MBps with 64 processes. While each process begins reading the file at a different location, increasing the number of processes increases the likelihood of inter-process cache hits on the Dell server and accounts for efficient throughput reaching 30% higher than the academic network limit.

To establish a network-boundary condition, they defeated the cache in the Dell system by using a file significantly larger than the Dell's system memory, but smaller than HP NetStorage 6000 memory. In this configuration, they easily could saturate the network and achieve a stable data throughput of between 10MBps and 13MBps. In this test, they saw that the maximum load placed on the HP NetStorage 6000 CPU was only 20%. They expect that with so much headroom for performance scaling, throughput could subsist substantially improved with a faster fiber or Gigabit Ethernet interconnect.

The efficient throughput of the HP SureStore NetStorage 6000 depends on caching on the client. With tall client caching, efficient throughput can attain 70MBps, which has puny to consequence with the NAS server.

When client-side caching is defeated-in their tests they read a file too large to fitting in cache-throughput is throttled by limits on network throughput.

Click here to enlarge image

With one process and no random of caching, throughput hovered at 5MBps. This scaled perfectly with two processes as throughput doubled. As more processes were added, throughput rapidly converged on the network limit. As they significantly raised the number of simultaneous processes accessing the device from the same server, inter-process caching came into play and throughput exceeded network limits by 30%.

Benchmarks proceed open source

By Keith WallsBenchmarks can simplify gathering performance profiles on your systems to gauge hardware and software requirements in metrics that relate to your needs. The goal of OpenBench Labs (www.openbench.com) is to deliver a objective and technically rigorous artery to compare everything from hardware devices to operating systems. Each month we'll present product reviews based on a benchmark suite that has evolved through 15 years of development.

While device and software manufacturers hold used their benchmarks in the past, their target audience is CTOs, together with the people who uphold the IT decision-making process. The CTO is charged with ensuring that bar not one hardware devices and software purchased are the best available for the organization.

Our goal is to supply the CTO's team with a equable flood of practical information to use when choosing hardware, software, platforms, and technology on which to groundwork IT operations. That practical aspect to information is the most essential one. A tape drive manufacturer may succumb a drive that in the laboratory accepts data at astonishing rates; however, theory is far less principal than the practical data rate when that drive is installed in a system backing up actual data onto affordable media.

Ideally, the systems they pick as reference platforms-or reasonably nearby approximations to them-need to subsist instantly identifiable and hold acceptation for their readers. A tenth the quicken of deep Blue is no less obtuse as 10 times the quicken of a PDP-11/45. The market, and not technological perfection, needs to lead the choice of reference platforms. For now, OpenBench Labs will focus on two operating systems on Intel-based platforms: Red Hat Linux (including compatible distributions) and Windows 2000.

More than any other software project benchmark code is necessarily built on shifting sands. Baselines age and become extraneous as the techniques used in devices are constantly updated. What's more, benchmarks are slightly unique in that the discovery of certain types of bugs can sometimes lead to wholesale revisions to the logic of the benchmark. As a result, the OpenBench Labs benchmark suite has always been a constant work-in-progress. That's why OpenBench Labs is making its benchmark suite a set of open-source projects for the operating systems mentioned above.

The OpenBench Labs benchmarks tumble into three broad categories based on the computer subsystem that they are designed to test: CPU, memory, and I/O. While CPU benchmarks are concerned primarily with the resulting useful processing power of the system and memory benchmarks are concerned with the performance of access to memory, the I/O category captures bar not one the benchmarks that pertain to getting data into and out of the system from disks or tape. Here, differences in operating system architecture, particularly in the zone of data caching, play a significant role in performance and hence significantly complicate code compatibility across platforms.

One of the major focuses in the I/O benchmarks is the efficient load that a disk subsystem can support. Here the goal is to measure how quickly data can subsist accessed by a maximal number of users. To this end, the benchmark attempts to flood the disk with I/O requests, and then measures the response time for each I/O. When the tolerable access time exceeds 100 milliseconds for any user process, the disk is deemed saturated and the benchmark terminates with a report to the user.

Over the coming months, they will present the details of bar not one these benchmarks in a train of Master Class articles. As they complete the first versions of each of the benchmarks, they will post them as open-source projects in the hope that they will attract contributors to their efforts. They are looking for contributions in bar not one aspects of the benchmark series: current devices and software to test, current facets of products to investigate, improvements to the software, and reviews of software for completeness and correctness.

OpenBench Labs summary

Under examination:NAS server performance

What they tested:

HP SureStore NetStorage 6000

  • (6) 36GB disk drives
  • 256MB RAM
  • 100Mbps Ethernet network
  • How they tested:

  • Dell PowerEdge 2400 running Red Hat Linux v6.2
  • 3Com SuperStack II Switch
  • Click here to enlarge image

    The default HP NetStorage 6000 system configuration presented three 36GB disk drives configured as a solitary RAID-5 volume. For testing, they attached through an NFS mount-point over a private 100Mbps Ethernet network. A Dell 2400 server running Red Hat Linux v6.2 was used for bar not one performance evaluation. The Dell 2400 server was configured with 256MB of RAM for some tests, and reduced to 128MB for other tests.

    Key findings:

  • The HP NetStorage 6000 is effortless to configure via its Web interface.
  • Provision for redundancy is excellent within the bounds of this class of system.
  • Security provisions are well designed and extremely well implemented.
  • CPU utilization peaked at only 20% due to network bandwidth limitations.
  • About their benchmark:The OpenBench Labs ldisk was used with a file sufficiently large to subdue the cache on both the HP NetStorage 6000 and the Dell PowerEdge 2400.



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