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Customizing the ovw GUI is each bendy and easy. Many customizations, similar to adding submap backgrounds, computerized layout of symbols, emblem hiding, and introduction of executable symbols, can furthermore be executed from within the ovw GUI. This chapter will exhibit you how.This chapter is from the ebook
One compelling ingredient of NNM is that the administrator can personalize submaps from inside the GUI. one of the most customizations consist of including inheritance pix, saving window placement, hiding symbols, and growing MIB purposes. while superior customizations require file enhancing, NNM offers the flexibility to tender both criterion and advanced customizations without supply code amendment and re-compilation. basically, many adjustments may furthermore be made on the skim without exiting the NNM GUI or restarting strategies.
Sealey Inc. has a requirement to be capable of create utilize of geographical bitmaps and consumer ground plans. they would want to region inescapable gadgets in a particular status representing the actual places of the devices. inescapable gadgets are mission essential and they'd want to configure the GUI with short entry to these devices. besides the fact that children, because each and every operator has distinct responsibilities, they dependence distinct contraptions to be mission crucial. therefore, every operator may want a fairly diverse view of the community.
Sealey Inc. would furthermore want to be in a position to graph SNMP MIB data precise-time. inescapable operators might furthermore often be required to entry facts from the same MIB variables. The community application should provide the capability to quite simply graph MIB data. This chapter particulars customizing NNM from the GUI.
Submaps may be customized on a per-map foundation to allow each and every NNM user to hub of attention on selected wants. for instance, a particular consumer may are looking to discern the techniques positioned geographically on a submap based on the vicinity wherein the systems physically reside. A person might additionally wish to create custom icons to be able to launch commonly used purposes. birthright here sections include one of the vital frequent map customizations.6.1.1 surroundings the Default Map and residential Submap
The person default map is the map that's open when a person begins the NNM GUI. If the specification of the default map isn't modified, the map named "default" might be opened. The administrator can create as many maps as fundamental, constrained most efficacious via disk area.  frequently speaking, you should definitely under no circumstances create customizations to the default map. a more robust apply could be to create a duplicate of the default map, saving it beneath a brand modern identify. Customizations may silent then be made to this modern map. After making customizations to a map (such as history pix, auto-layout, and so on), you may additionally need to set this map as your person default map. The consumer can set his default map via performing here:
choose from the menu bar Map→Open. .
select the map you would really fancy as your default (see pattern 6-1).
figure 6-1 select Map→Open from the menu bar to set the user default map. elect the map appellation and click the [Set User Default] button. The consumer Default Map shown here is the map named "default."
click on the [Set User Default] button.
When a map is opened, the primary submap to be displayed is the home submap. The home submap is additionally with no worry obtainable via picking the "residence" icon on the toolbar. through default, the home submap is decided to the basis submap. The domestic submap may silent be set to the submap you access most frequently. each map may additionally beget a special domestic submap. To set the domestic submap, navigate to your favourite submap and elect from the menubar Map→Submap→Set This Submap as home.
which you can now utilize the toolbar icon to advance back to the domestic submap at any time. A consumer may beget as many maps as desired and each map can beget a unique home submap.
Unused maps originate to include stale topology statistics as the NNM topology database is up to date over time. Even when ovtopofix and ovw –mapcount are run, you may advance upon blunders, reminiscent of "objects silent in four maps." in an trouble to proper this error, each and every map need to be opened so that it synchronizes the present topology counsel into the map. each and every map can either be opened personally or with a script flee as root on the NNM server, counting on the variety of maps you deserve to open to synchronize.
don't open maps in NNM which are created via OVO! here instance "greps out" two default OVO maps:export screen=displayhostname:0.0 for map in 'ovwls –x | egrep –v "opcadm|opcop" ` do ovw –map $map & executed
examine to ensure that each map changed into opened with examine/write privileges. The map will not synchronize devoid of being opened with study/write privileges. After the synchronization of the maps, flee ovw –mapcount. This should flee devoid of blunders.6.1.2 Submap Overlay, Window Geometry, and image Hiding
Many customizations may well be made to a map, including the habits of the submap overlay. by default, in the event you drill down via a map's hierarchy with the aid of double clicking, the newborn submap of the chosen protest replaces the present submap.  Likewise, in the event you click on the up arrow icon from the toolbar, the father or mother submap of the latest submap replaces the baby. This prevents the person from having too many open submaps. in case you prefer not to beget this submap overlay office grew to become on, which you could adjust this conduct on each a map and a submap foundation through deciding on from the menu bar
one more user customization is the potential to shop window dimension and placement. for instance, in case you prefer the IP web submap on the left facet of your video panoply and a selected node-degree submap on the redress aspect, effectively regulate the submap overlay to open numerous submaps, prepare the submap measurement and site to your liking, and shop the window geometry with the aid of opting for View→Window Geometry→retailer For total Open Submaps.
additional customizations may furthermore be made for personal preferences. now not total NNM clients need to discern the same view of the network. for example, a community manager may furthermore certainly not need to discern individual workstations or servers. via hiding symbols that you would be able to alleviate unwanted litter from her view of the community. Hidden objects are nonetheless actively polled however their status are usually not reflected on the maps through which they are hidden. If the community supervisor hides non-networking gadgets, she can now not discern when hidden instruments are down by simply glancing on the applicable submap. although, hiding a implement doesn't remain away from the Node Down experience from being sent to the alert Browser.
To cover symbols, first opt for them  and then opt for from the menu bar View→Hidden Objects→hide selected From This Submap.
The status line on the bottom of every submap shows the variety of hidden objects on the latest submap, as proven in determine 6-2. You may furthermore beget a necessity to dissemble a specific classification of object. as an instance, you can furthermore are looking to conceal total windows techniques as a result of they're total DHCP instruments that look to head down commonly. comply with these steps to conceal total programs which beget a common refer such as the operating gadget:
search for the thing through the attribute.
Edit→find→Object by image type. .
choose computing device classification windows NT subclass and click on the [Apply] button.
Double-click on one of the items listed under the "determined and Highlighted" part.
choose the gadgets that had been discovered.
hide the objects that had been selected.
View→Hidden Objects→disguise selected From This Submap
Hidden objects may furthermore be unhidden at any time by passage of selecting
View→Hidden Objects→show Hidden On This Submap
bear in intelligence that the submap hierarchy is
determine 6-2 The popularity line displays the map identify (default), the entry mode (read-Write), the number of hidden symbols (Hidden:8), and whether Auto-layout is enabled.
be sensible that the checklist comprises the phase submap (objects) as well as node submaps. To extra quickly and comfortably shroud the desired objects (in this case, home windows NT nodes) they may silent pay attention to the segment submaps. if you chance to double-click one of those, you're presented with the acceptable infant submap which has total NT nodes "highlighted' (highlighted labels are displayed in reverse video).
while hiding objects is one passage to cope with undesirable instruments, filtering is a extra elegant system of dealing with "undesirable" objects. A filter can furthermore be applied to on a per-map foundation, which hides objects from the view while permitting them to exist in the protest database and be actively polled. This kind of filter is called a map filter. whereas the influence of making utilize of a map filter is similar to hiding objects, the implementation is usually a lot sooner and more valuable. other forms of filters encompass topology and discovery filters, which are discussed in aspect in Chapter 9, "Scalability and Distribution."6.1.3 surroundings historical past pics and automatic layout
background photographs can be used to enhance the survey of a submap. They may furthermore be used to screen geographic regions, ground plans, or organizational buildings. a yoke of file codecs are supported for submap inheritance pictures. you probably beget a file that is not in the list, investigate the free up Notes for currently supported file formats. Supported file codecs for background images are listed in table 6-1.table 6-1. File types supported via NNM for submap history graphics.
heritage pics can be configured for a submap with the aid of following these steps:
opt for Map→Submap→houses from the menu bar.
click on the [Browse. . ] button listed by passage of the background photos portion of the dialog box. here's observed on the View tab for home windows.
select a vivid as shown in the record of determine 6-3.
determine 6-three The administrator can set a historical past photo for every submap. most of the offered photographs include geographic areas. The administrator can additionally import a customized vivid such as a floor plan.
click on [OK].
One thing to be sensible when surroundings history snap shots is the volume of actual reminiscence (RAM) you beget got to your NNM equipment. if you chance to open a map, total objects, including historical past images, are loaded into reminiscence  . The greater objects in the database, the greater reminiscence required to load objects into reminiscence. in a similar fashion, the extra intricate the graphic, the more reminiscence required. one passage to expose in case your tackle is memory-certain is if the synchronization technique takes a very long time (greater than a few minutes) if you open a map. If synchronization is taking too lengthy, are trying lowering the number of objects being loaded into reminiscence. a passage to achieve here's via altering the persistence degree of your map.6.1.three.2 Submap Persistence
The persistence degree of a submap suggests the plane at which objects are loaded into memory. if you select any alternative aside from total ranges, the objects performing on submaps below that plane are not loaded into reminiscence until you open that particular submap. which you can silhouette the persistence degree of a map by passage of following these steps.
choose the map properties.
choose IP Map and click [Configure For This Map. . ]
Scroll total the passage down to the section that reads
On-Demand: To what plane may silent submaps be persistent.
opt for one of the most tiers:
phase degree and better
network plane and higher
cyber web degree
After determining the persistence stage, click on [Verify] and [OK] in the IP Map configuration dialog field and [OK] within the Map houses dialog box.
Any modifications you're making to a submap will trigger it to develop into a persistent submap, despite the persistence setting. as an example, if you set your map persistence degree to the segment stage and better, simplest the foundation, cyber web, and network degree objects may be loaded into memory. although, if you create any of birthright here adjustments to a segment or node degree submap, you will trigger that submap to develop into persistent:
Any objects contained in the submaps that beget customizations such as these could be loaded into reminiscence every time the map is open. As a further example, if you set your persistence plane to web plane and set a background photo on each submap, you conquer the end of atmosphere the persistence level.22.214.171.124 computerized design
The purpose of automated layout is to allow a implement create with the aid of NNM to beget its symbols positioned on a submap with out human intervention. When the utilize of historical past portraits, you can furthermore locate that you'd want to manually manipulate the position of symbols. When inserting objects on a flooring plan, for instance, that you could flip off auto design and status the symbols the status they physically stay. to revolve off automatic design for an individual submap, opt for View→automated layout→Off For This Submap as shown in determine 6-four.
figure 6-4 This submap has been configured with Georgia as the background graphic. NNM ships with a GIF file for every US status and many countries. flip off automatic design to allow manual placement of symbols.
After you flip auto design off, note that [Auto-Layout] is removed from the status line and a "New protest maintaining enviornment" looks at the bottom of the submap, as proven in pattern 6-5. When modern devices are discovered that belong on a submap where auto design is turned off, the newly discovered objects are positioned within the modern protest maintaining area. You need to drag the modern objects from the brand modern protest protecting enviornment and drop them onto the favored vicinity on the submap.
determine 6-5 the modern protest protecting belt is created when automatic design is became off. Newly discovered devices are positioned in the modern protest maintaining enviornment. They will furthermore be manually placed on a submap by drag-and-drop.6.1.4 Partitioning the web Submap
NNM knows how to lay out contraptions in line with the information supplied by passage of SNMP queries. The submap hierarchy from suitable to bottom is
The design of your community can be custom-made at the information superhighway stage submap. The aim is to permit partitioning of your network in accordance with geographical or analytic tips. NNM does a superb job of providing the actual connections of your community but makes no assumptions as to the organizational structure. This customization is referred to as partitioning the internet submap.
Partitioning the web submap requires that you add a special category of emblem called a vicinity symbol. The steps to partition the IP internet submap are as follows:
From the information superhighway submap select
select the vicinity emblem (figure 6-6) and drag any of the subclass symbols to the submap.
determine 6-6 vicinity objects may furthermore be used to partition the IP cyber web submap. be sensible the location objects brought to the submap shown (Japan and Australia) are in the utility airplane (no shading looks across the symbol).
supply a Label and click [OK].
Repeat the introduction of vicinity icons unless you beget defined total quintessential areas.
Drag each emblem and drop it within the favored region.  Connections will automatically be based between vicinity symbols as proven in pattern 6-7.
figure 6-7 When partitioning the cyber web submap, connections between the places are immediately centered as symbols are moved into the status icons.
place icons can furthermore be cascaded when partitioning the cyber web submap. for instance, you could add united states at the internet level, add status under u . s . a ., and add metropolis below State, after which add building, web site, Room, and the like.6.1.5 growing Executable Symbols
by using default, symbols on a submap spawn a child submap when double clicked. This deportment is referred to as "explodable." emblem houses on a submap can be modified to launch an application when double-clicked as opposed to opening a toddler submap. This deportment is called "executable." a few pre-described functions exist and are purchasable in NNM. really, most applications accessible from the menu bar and the toolbar can be utilized in creating executable symbols. These functions are described in NNM through application Registration information (ARFs). besides the utilize of the pre-described applications, which you could create your personal functions by using defining ARFs as discussed in Chapter 7, "superior Customization."
to utilize the executable emblem office in NNM, observe the steps listed birthright here. For this illustration, utilize a tackle that allows for incoming telnet periods.
access the emblem residences by means of appropriate-clicking and identifying image houses as shown in pattern 6-eight.
figure 6-8 step one in making an icon executable is to status the cursor over the image, click on the commandeer mouse button, and elect emblem homes. . from the emblem popup menu.
alter the image habits to Execute, as proven in pattern 6-9. observe the record of purposes that look beneath the belt labeled "utility motion."
figure 6-9 The second step in making an icon executable is to regulate the habits of the image to Execute and select to application to be launched.
Scroll during the checklist and elect the application
Terminal join: XTerm Telnet
click on the [Target Objects. . ] button.
click the [Add] button to consist of the hostname and click on [OK] on the goal Objects dialog box as shown in determine 6-10.
figure 6-10 The third step in growing an executable icon is to click the [Target Objects] button, which shows the dialog container proven. opt for the [Add] button so as to add the hostname as a target object.
click [OK] on the image properties dialog container and you may discern the executable image as proven in determine 6-eleven. When the emblem is double clicked it launches a telnet session to the system.
figure 6-11 The executable icon (r208w100) indicates up as a button. Double-click it to launch the utility. that you can additionally drag a emblem and drop it on the button to launch the software on an extra object.
once you beget created an executable image, which you could drag other symbols and drop them onto the executable symbol. for instance, if you wish to launch telnet on a unique equipment, with no worry drag the emblem and drop it onto the executable image. Making an emblem "executable" does not beget an sequel on the image repute set with the aid of ipmap. there is one caveat when changing an present symbol's habits to executable. After altering an present emblem to executable, you are going to now not be capable of access the image's baby submap by means of double clicking the symbol. as a substitute, the only option to entry the baby submap of the emblem is to create utilize of the submap open function. that you may achieve this via picking Map→Submap→Open. . you will deserve to drill down in the course of the submap listings to ascertain the modified symbol's submap. select the modified image and click the [Open Submaps] button. for that reason, which you can additionally create standalone symbols that launch applications. It isn't integral to alter the deportment of an latest image.6.1.6 MIB purposes
most of the options from the implement and menu bar entry applications that talk with the MIB. When launched, these purposes ship SNMP queries to the selected node to access inescapable MIB variables. Some purposes create tables that hold the information and others generate true-time graphs. NNM gives many constructed-in MIB applications as well because the capacity to create your personal MIB functions by passage of the GUI.126.96.36.199 built-in MIB applications
Most MIB functions require you to elect a node earlier than launching. If nothing is selected, the menu items will be grayed out and unavailable. Let's survey at one of the vital developed-in MIB applications. elect a node and select from the menu bar efficiency→network activity→Interface site visitors: Packet rate as proven in determine 6-12. this will monitor a true-time graph of the MIB variables for packet fee.
determine 6-12 Interface site visitors is a built-in MIB utility accessible from the menu bar. elect a node and select community recreation→Interface traffic: Packet cost from the menu bar. This initiates snmpgets for specific MIB variables and shows them graphically.188.8.131.52 creating MIB functions
NNM gives the means to create MIB applications that can be integrated into the NNM menu bar. This can furthermore be finished through the utilize of the MIB application builder.
The MIB application builder permits you to create custom graphs and tables via defining the MIB variables you are looking to be displayed.
comply with these steps to create your MIB graph:
select alternatives→MIB application Builder: SNMP from the menu bar. This shows an void MIB utility dialog container as proven in pattern 6-13.
figure 6-13 To create a MIB software, opt for options→MIB utility Builder: SNMP from the menu bar. The list might be void by default. elect Edit?Add MIB application. . .
opt for Edit→Add MIB software. . . you are going to discern the dialog container as shown in pattern 6-14.
figure 6-14 Specify the software id, application class, utility Title, Menu course and click on the [Add. . ] button.
finished birthright here fields to define the MIB software:
software identity— This beget to be a special identity now not containing spaces or particular characters. For this example, utilize InVSOut
application category— Set this to desk, kind, or graph. For this illustration specify graph.
utility Title— appellation the utility anything you desire. this can hold spaces and special characters. For this example, specify "In Packets VS Out Packets".
Menu route— This describes the cascaded menu bar for the application starting with the properly-level menu. This may additionally furthermore hold areas. utilize "->" to attest cascading menus. For this instance, specify yourname custom Apps→In VS Out
preference Rule— The preference Rule describes the node category for which this software will work. except you are prevalent with the filtering language described in Chapter 9, it is optimal to leave it set to the default. The default preference Rule (isSNMPSupported || isSNMPProxied) will characteristic on any device that supports SNMP or has an SNMP proxy.
click the [Add. . ] button to silhouette the MIB variables for the software.
Traverse the MIB tree to consist of the MIB variables for the software. utilize the control key and left mouse click on simultaneously to opt for the preferred variables. This instance makes utilize of the MIB variables ieeeMacTransmitted and ieeeMacFramesReceived shown in determine 6-15 under the MIB subtree deepest.organisations.hp.nm.interface .ieee8023Mac.ieee8023MacTable.ieeeMacEntry
figure 6-15 create sure you be common with the MIB tree constitution as a passage to create MIB applications. Press the control key and left click on simultaneously to select distinctive variables.
After determining the desired variables, click on [OK] from the Add MIB Objects dialog box.
click [OK] from the Add MIB application dialog container. be sure you discern your customized menu as shown in pattern 6-sixteen. You are now ready to execute your utility.
figure 6-16 elect the node on which to execute the newly created MIB software. opt for the application from the menu bar particular in the Menu direction of the MIB software builder.
After you beget created an MIB utility it becomes an NNM registered software. The MIB software can now be used when growing executable symbols. Add an protest to a submap, exchange the habits to executable, and check the listing in your software. An utility Registration File (ARF) is created when you define an MIB utility.
Hewlett-Packard has been delving deeper and deeper into crossplatform commercial enterprise methods administration, through a progression of technology investments in OpenView. Now, users and analysts are in reality feeling the impact.
When it involves heterogenous environments, OpenView is a powerful player, in keeping with invoice Emmett, solutions manager at HP. "OpenView compares favorably to IBM Tivoli and CA-Unicenter on the foundation of both can saturate effectiveness and modular, plug-and-play architecture," he contends. apart from its myriad API interfaces, Emmett emphasizes OpenView's steer for myriad operating techniques and varied "open requisites."
Emmett's enthusiasm isn't fantastic, for the judgement that carriers typically tout their personal items. Some clients and analysts, even though, are equally gung-ho.
Tim Hagan, VP of IT operations and engineering for Zurich existence, says it took him and a yoke of other people less than 90 days to deploy OpenView in a intricate appellation hub ambiance.
Zurich life is the utilize of OpenView to manage about a hundred and ten servers and 65 databases in two physical places. The techniques are working HP-UX, sun Solaris, IBM AIX, and Microsoft home windows 2000, NT, and XP. Zurich is operating OpenView on HP-UX servers, however the methods administration platform runs on sun Solaris and Microsoft home windows servers, too.
not "just a network Node manager"When Hagan first came to Zurich life in January of 2000, the coverage company changed into nonetheless the usage of HP's historic network Node manager. "That became one of the reasons i used to be hired. It failed to damage that i might had prior success with OpenView in an earlier job. I knew that OpenView has a extremely open structure, and that it could very without delay tie in with their (other) existing platforms and equipment," in keeping with Hagan.
The present OpenView product does encompass network Node supervisor as one in total its myriad not obligatory modules. Used for network ingredient discovery, layout, stock and efficiency, it connects with HP OpenView Operations for go-self-discipline administration.
"The historical network Node supervisor (on my own) become a really reactive environment, even though. They kept hearing about outages from their inside shoppers. we'd fetch the indicators and descriptions after the routine had already happened. they might advance to be looking not so good, and infrequently they would should bring in a bunch of individuals to support fix the difficulty," Hagan says..
"With OpenView, despite the fact, now they beget revolve into directly proactive. they will preclude complications, and we're sensible of complications that achieve revolve up earlier than the users even learn about them. If a consumer calls, they can say, 'A hindrance ticket has already been created, and a page has been despatched out. Such-and-such utility will be up in an hour or two.'"
HP must be a application playerSome critics wrangle that OpenView can not be total that essential to HP, on the grounds that HP's hardware revenues a ways outweigh the application facet. however, trade analyst Jasmine Noel disputes that conclusion.
Noel features to a yoke of traffic developments affecting HP, in addition to different traffic suppliers. "Margins on computing hardware preserve declining; computing-primarily based enterprise functions at the second are essential to enterprise success; and a hit start of enterprise services requires administration of the entire compting stack," she says.
"The computing stack in every significant traffic is silent heterogenous," adds Noel, who's most essential at JNoel friends. "This mixture of developments requires HP to beget a heterogenous administration retort (in order to current) a credible utility account to enterprise shoppers."
Noel additionally likes the investments HP is making in "intelligent" management, for extra productive administration, and in traffic partnerships, for stronger interoperability with other providers' products.
OpenView's EvolutionEmmett notes that HP first moved into programs administration with network Node supervisor in 1988. "We used what know-how became available on the time, together with SNMP. They then began including further and further capabilities," he adds. Acquisitions helped HP to build up OpenView. In 1997, as an instance, HP purchased Prolin, the Netherlands-based mostly maker of the IT provider supervisor suite.
At this aspect, HP's tremendous OpenView family unit revolves generally around Operations video panoply and efficiency panoply screen. each and every monitoring product has agents operating on total primary systems, starting from Linux to MVS.
Operations supervisor is the censorious traffic console, for an end-to-conclusion view of the commercial enterprise that includes customer PCs, the community, applications, and database. efficiency video panoply offers tools comparable to a graphing office and studies for monitoring and inspecting resource utilization.
For more advantageous interoperability, OpenView complies with necessities ranging from SNMP and RMON to OMI. "We often sit down on necessities committees, definitely," according to Emmett.
HP furthermore offers a group of templates, called smart Plug-Ins (SPIs), for configuring third-birthday celebration tools. "The sensible Plug-In is sensible of where to locate the log info in Oracle, as an example," Emmett illustrates.
The HP Operations manager can even be mixed with OpenView provider Navigator, carrier tips Portal, carrier Desk, and internet features, as well as with network Node manager, for example.
carrier Navigator makes utilize of advice captured in the SPIs to let administrators drill total the passage down to find root causes for capabilities complications. If a warning flashes as a result of application performance is degrading, the administrator can drill down through the database and storage gadget to find out that a disk is overheating, for example, according to Emmett.
carrier Navigator furthermore contains "impact evaluation" capabilities for deciding on which databases and applications are supine to endure, and the stage of severity of the impending hit. OpenView makes utilize of color coding to attest six distinctive severity states.
administrators can automate response sequence, such as paging an administrator or failing over to a backup server, for instance. An not obligatory add-on referred to as advanced security offers authentication and information encryption.
As Emmett sees it, OpenView has two main sets of opponents: "framework carriers" (corresponding to IBM Tivoli and CA) and "factor device vendors." BA Patrol, he says, "falls someplace in between."
Deployment in 88 days"My traffic granted us a hundred and eighty days for OpenView deployment. I deploy a a safe deal more aggressive time table of 90 days, however they beget been capable of finish up in 88 days," Hagan says. Hagan worked on the rollout at Zurich lifestyles with one fulltime consultant, plus one worker. The employee spent 50 percent of his time on the OpenView rollout, and the other half of his time on Unix administration.
"One censorious piece became to be sure they bought the necessities for alarms displays and thresholds from the entire linked systems managers. They did not wish to be paging someone at 3 am, simply as a result of server potential had reached 90 %," Hagan recollects.
Hagan claims that he's gotten huge cooperation from total throughout his business. "Our e-commerce team thinks OpenView is brilliant. What you can achieve with OpenView is proscribed handiest through your creativeness."
Zurich existence has already used HP's SPIs to integrate Oracle, Sybase SQL Server, and a few third-celebration management tools. Hagan says the enterprise is now testing SPIs for Lotus Notes and Ciscoworks, as an instance.
Zurich did accept as suitable with different programs management items, such as Tivoli, Unicenter, and Patrol. "Some items, though, don't deliver information that's as significant, and some beget longer implementation times. They didn't beget a Big group of workers to roll this out," Hagan points out.
extra automation on the style"windows, Solaris, and HP-UX. those are the server environments that systems administration products usually flee on, besides the fact that children every now and then you fetch one or two others, counting on the supplier's partnerships," Noel observes..
past that, Noel does not wish to compare OpenView with different programs administration products. "each and every one is simply too distinct," she maintains.
The analyst is exceptionally impressed, though, with HP's future plans for simplifying programs and automating provider stage administration with OpenView.
"HP's message it their goal market is that corporate IT departments that office as traffic companions might be greater a hit, much less liable to costcutting measures, and fewer more likely to be outsourced," in response to Noel.
"HP has two overall messages about its options. the primary is (that) HP solutions attend corporate IT convey superior services with fewer components and reduce expenses. The proverbial silver bullet HP OpenView presents is carrier stage administration. HP expands the definition of provider stage management from the latest knowing of monitoring and alerting on SLA violations to one in every of a system of defining,provisioning, managing, and optimizing the elements offering the carrier," based on Noel.
"HP's 2nd message is (that) their retort set is each comprehensive and imaginitive. (The message) is comprehensive in that HP has options for every factor of service plane administration and continues so as to add capabilities. (it is) inventive in that HP's most recent items manipulate how modern technologies trade the administration requirements."
HP's three-year roadmap requires extra advancements to integration, infrastructure, and storage administration; construction of a carrier degree protest mannequin; and delivery of items "that aid within the diagnostic procedure," the analyst notes.
On the combination aspect, as an example, HP is now in the system of consolidating its varied integration APIs birthright into a separate toolkit for third party vendors.
With the provider degree protest model, HP is calling to "seize the entire suggestions, and allocate it into a typical structure, so or not it's more convenient to share tips as you stream from one step within the procedure to the other," in response to Noel.
when it comes to infrastructure coverage, HP is engaged on web capabilities requirements and protocols such as J2EE, WebMethods' OMI initiative, and Microsoft's .internet servers.
a few of OpenView's newest items, similar to OpenView Transaction supervisor, can video panoply J2EE and .internet functions and applications. For the long run, although, HP plans to build in more intelligence.
"that you may video panoply 100 issues in J2EE, but which of them are most critical? at this time, you handiest fetch that by using (OpenView) for a while. also, which you could trail the direction a transaction took through .net, however which you can simplest try this after-the-fact. HP desires to deliver this into realtime," she says.
HP now presents SPIs for WebMethods, Microsoft .net, and SunOne net capabilities - cleaning soap Engine, as an example. at least forty SPIs are offered, total instructed.
different these days added OpenView products include provider Activator, for automating the birth of services offered by using internet hosting providers; and records Protector, a replacement for OpenView Omniback II.
facts Protector is designed for built-in administration of disk-based mostly and tape-primarily based recovery across assorted OS, applications, and storage architectures. administrators can manage each recovery time and recovery aspect targets.
HP integrates CompaqWith the Compaq acquisition, HP is now working on integrating Compaq's items into its techniques administration combine. Compaq perception manager will continue to be used most efficacious in Wintel environments, considering its administration capabilities are hardware-oriented, Emmett says.
youngsters, Compaq's TeMIP product for telco administration is now being ported by means of HP from Tru64 - which became at first DEC Unix - to HP-UX and Solaris, Emmett adds.
pretty much, editions of OpenView for HP-UX, Solaris and windows present the equal capabilities. "but we're furthermore taking expertise of the characteristics of every platform. The windows edition changed into designed for home windows from the ground up. It makes utilize of windows drag-and-drop, as an instance," Emmett says.
OpenView is windows 2000-licensed. On he home windows side, the product additionally uses Microsoft applied sciences that encompass MMC, WMI, CIM, DCOM, visual primary scripting, HTML/XML, HTTP/cleaning soap, information superhighway Explorer, and IIS.
"in the meantime, we're furthermore conserving their eyes open for different edge server systems, including Linux," provides HP's Emmett.
» discern total Articles with the aid of Columnist Jacqueline Emigh
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HP, as a Microsoft Windows 2000 Global Launch Partner, revealed its aggressive services strategy and a number of modern products at the recent Mircosoft Expo. HP is abundantly prepared to support 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 alive to IT professionals. Unlike Microsoft’s past major, customer-based product launches, this event was very subdued, presumably to reflect the staid nature of traffic computing. HP, as a Microsoft Windows 2000 Global Launch Partner, revealed its own aggressive services strategy and a number of modern products.
In an approach that is typical of HP, the company is abundantly prepared to support 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 modern traffic unit is dedicated to helping customers plan, design, implement and maintain Microsoft technologies across the enterprise to deliver what they hope to be bulletproof computing environments.
The outward relationship between HP and Microsoft exhibited during the event was total 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 cherish by stating, "We are thrilled that HP is presenting such a comprehensive ambit of hardware, software, services and support for Windows 2000. The depth of HP’s services, which include 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 structure PC systems that are fully optimized for Windows 2000 … by combining world-class products and services from Microsoft and HP, customers appreciate a smoother migration path and a more consistent, manageable user experience."
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 modern Windows 2000 manageability tools.
The Big word 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 actual intelligence instance tracking, and the competence to proactively understand what is being run. Vantage Point and OpenView Express were built from the ground-up to support 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 utilize 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 be taken when failure or degradation is create in CPU utilization, reminiscence usage, disk utilization or performance reliability. OpenView can furthermore be used to automatically restart Windows 2000 services when thresholds are exceeded.
When asked about its relationship to Windows 2000 dynamic Directory, Renshaw stated that a considerable amount of trouble 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 admiration them complementary at this stage, but there may be some functionality overlap in the future … they will beget to discern things develop."
In a side discussion with the CIO of Creative Artists Agency (CAA), Michael Keithley, they discovered a Big 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 need to rapidly produce digital content about their clients is an essential 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 status to support file, print, fax and e-mail services.
Another essential application suite introduced for support 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 modern HP Smart Card readers," states Bournival. "This technology is finding acceptance across industries, with highest demand in financial, government, and traffic to traffic Internet settings."
HP views the ProtectTool 2000 as a transaction-enabling technology through the utilize 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 be lost. In response to this issue, HP announced the HP Power Protection Device for Windows 2000. Designed to toil directly with the Windows 2000 Professional hibernation mode, this compact device fits into a PC separate 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. total open file and user desktop environment backup is performed in case of power failure, shutting down the PC, cleanly and securely, within five seconds.
HP is extremely aggressive in offering its Windows 2000 services. In a conversation with Ian Bromehead, who manages the Global Microsoft Solutions Services hub in Grenoble, France, he indicated that HP has opened operations around the world to support Windows 2000 proof-of-concept testing, planning and migration. "We want customers to experience 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 attend clients understand their current IT environment and to contrast these needs against the combined products and services offered by HP and Microsoft. HP consultants toil with customers to deliver large and intricate 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.
OpenBench Labs goes under the hood of Hewlett-Packard's NAS server, unveiling some challenging performance results.
By Jack Fegreus
The explosive growth in storage is expressing itself in modern definitions of what constitutes "the system." An challenging understanding for system managers is attached storage, particularly network-attached storage (NAS).
Just a few years ago it was unthinkable to admiration 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 capitalize from the convenience, expandability, and performance of the HP NetStorage 6000.
Whether or not users are sensible of the NAS device depends on just how sensible they are of their network environment, and how well the operations staff has hidden device configuration from view. Linux users may be sensible of a modern file mount point, while Windows users may be sensible of using a modern or different drive letter. However, nobody needs to be made sensible that the device can be 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 be 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 glimmer 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 need for faster network-transmission speeds. Most of the 256MB of reminiscence 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. total 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 be broadcast.
Configuring the disks is easy, but can be time-consuming, as each modern file volume must be 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 be 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 be merged (mounted) into mount points within the bona fide NFS structure. Unix-like access permissions are set using the Web interface. Systems administrators can set a appellation by which Windows will discern the volume share name. As with native Windows sharing, password security can be set by the access required. Once the share is created, it is exposed using SAMBA; Windows clients can gain access to the volume using the Windows native "Map Network Drive" interface.
We've deliberately skipped over the details of how the NetStorage 6000 manages disk media and the passage in which it maps physical media into analytic disk space that can be assigned to file volumes. When you start looking at the raw disk subsystem through the NAS server's interface, you discern a collection of physical (raw) drives. These physical drives can be 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, charged 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 allocate one or more as a charged spare. If a physical drive that is fraction of a RAID array fails, the NAS server automatically assigns the first available charged spare to supplant the failed drive.
HP's NetStorage 6000 cabinet holds ten 36GB disk drives. While those drives could be 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 bona fide operation. A third, hot-swappable power supply can be added so that the system will survive the failure of any separate power supply. In addition, an uninterruptible power supply (UPS) can be 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 be 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 void disk slot. Software support for HP DLT tape is integrated into the NetStorage 6000. Moreover, backup and restore operations can be 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 status of the file volume. When a client writes data to the volume, the customary data is copied to become a fraction of the checkpoint and the modern data is flushed to disk, where it is not a member of the checkpoint.
The checkpoint file, however, resides on disk along with total 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 dynamic checkpoint files will grow at a correspondingly elevated rate. They recommend that if you are going to utilize disk checkpointing, utilize 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 create 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 frontier between systems, such as a network connection, there is the opportunity for the malicious user to change the passage 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 native 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 dynamic Directory Domain Controller under Windows 2000-authenticates users.
HP allows security to be 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, admiration the case in which multiple NetStorage 6000 devices are scattered throughout the network. The NetStorage 6000 accounts for these problems by integrating support 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 beget a fuse of Windows NT, Solaris, and Linux systems, HP NetStorage 6000's implement set includes CA Unicenter TNG Framework and CA ARCserveIT, which flee on total 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 challenging exercise that yielded equally challenging 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 efficacious 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 flee the OpenBench Labs disk benchmark in order to gauge achievable data throughput from the HP NetStorage 6000. total 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 vicissitude 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 reminiscence available on the Dell server, they were able to conquer or enhance the effects of these caches on their respective systems.
While the graphs expose the plenary account 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 reminiscence did they measure efficacious 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 hope to discern 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 create 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 efficacious 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 hope that with so much headroom for performance scaling, throughput could be substantially improved with a faster fiber or Gigabit Ethernet interconnect.
The efficacious throughput of the HP SureStore NetStorage 6000 depends on caching on the client. With elevated client caching, efficacious throughput can reach 70MBps, which has exiguous to achieve with the NAS server.
When client-side caching is defeated-in their tests they read a file too large to fortunate in cache-throughput is throttled by limits on network throughput.
Click here to enlarge image
With one process and no casual 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 depart 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 unprejudiced and technically rigorous passage 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 beget used their benchmarks in the past, their target audience is CTOs, together with the people who support the IT decision-making process. The CTO is charged with ensuring that total hardware devices and software purchased are the best available for the organization.
Our goal is to supply the CTO's team with a even stream of practical information to utilize when choosing hardware, software, platforms, and technology on which to foundation IT operations. That practical aspect to information is the most essential one. A tape drive manufacturer may produce a drive that in the laboratory accepts data at astonishing rates; however, theory is far less essential than the practical data rate when that drive is installed in a system backing up actual data onto affordable media.
Ideally, the systems they elect as reference platforms-or reasonably near approximations to them-need to be instantly identifiable and beget meaning for their readers. A tenth the precipitate of profound Blue is no less obtuse as 10 times the precipitate of a PDP-11/45. The market, and not technological perfection, needs to steer 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 fairly unique in that the discovery of inescapable 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 continuous 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 reminiscence benchmarks are concerned with the performance of access to memory, the I/O category captures total 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 belt 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 efficacious load that a disk subsystem can support. Here the goal is to measure how quickly data can be 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 dispassionate 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 total these benchmarks in a progression 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 total aspects of the benchmark series: modern devices and software to test, modern 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
How they tested:
Click here to enlarge image
The default HP NetStorage 6000 system configuration presented three 36GB disk drives configured as a separate 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 total performance evaluation. The Dell 2400 server was configured with 256MB of RAM for some tests, and reduced to 128MB for other tests.
About their benchmark:The OpenBench Labs ldisk was used with a file sufficiently large to conquer the cache on both the HP NetStorage 6000 and the Dell PowerEdge 2400.
Windows 2000 offers a number of ways to manage your servers and user applications when you aren’t, or can’t be, physically present. advance along for a guided tour, including a peek into the .NET future.
As striking in appearance as they might be, server rooms create impecunious toil environments. They’re loudly and cold. toil areas are cramped. You can’t bring in food or coffee. And everyone thinks they own your time if you toil in there. It’s much more convenient to manage your server margin from your cubicle. Or better yet, from your home. Even better still, from a cabana near a tropical beach. This requires a set of remote administration tools and a very resilient manager.
Remote admin tools tumble into two universal categories. In-band tools connect to your servers across the same network used by clients. Out-of-band tools allow you to connect using a divide network or alternate data communications paths. Of the two, in-band remote management tools generally provide a richer environment, so let’s survey at those first.
In-Band Remote Management Tools You utilize in-band management total day without really thinking about it. For example, I flee dynamic Directory tools on my desktop that I utilize to connect to domain controllers when I want to create or modify objects. These are specialized features though. Windows 2000 comes with several general-purpose, in-band tools designed to provide a more or less comprehensive management interface. Each implement has its strengths and weaknesses. Let’s survey at them in ascending order of flexibility.
Telnet As convenient as GUI-based tools can be, sometimes you just want to achieve a quick chore at a command prompt without total the fuss of a plenary Explorer session. For example, let’s vow you fetch a phone call in the carpool van on the passage to work. A user’s forgotten his password birthright before the start of a “critical traffic meeting that could net the company billions.” You roll your eyes, then connect to the office via a wireless PDA, open a console session on a domain controller, and kick off a script or utilize the net user command to reset the user’s password. Total time? Maybe 15 seconds, and you didn’t even beget to set down your espresso.
The most venerable command-line console is telnet. Win2K has a telnet service already loaded. It’s simple enough to start. Just enter net start tlntsvr at a command prompt. If you want the service to start automatically at boot time, utilize the Service.vbs script in the Windows 2000 Resource Kit with the syntax:
cscript service /n tlntsvr /m automatic
You can configure the telnet service by typing tlntadmn at a command prompt. The operation of this utility differs in Windows XP compared with Win2K. In Win2K, you fetch the following listing:
C:\>tlntadmnMicrosoft ® Win2K ™ (Build 2195)Telnet Server Admin (Build 5.00.99201.1)Select one of the following options:0) Quit this application1) List the current users2) Terminate a user session ...3) panoply / change registry settings ...4) Start the service5) quit the service kind an option number
Windows XP (and .NET) gives you a more informational listing:
C:>tlntadmnThe following are the settings on localhostAlt Key Mapped to 'CTRL+A' : YESIdle session timeout : 1 hoursMax connections : 2Telnet port : 23Max failed login attempts : 3End tasks on disconnect : NOMode of Operation : ConsoleAuthentication Mechanism : NTLM, PasswordDefault Domain : COMPANYState : Running
You can utilize tlntadmn on XP to manage other machines as long as they’re running XP or Windows .NET. The Win2K version only manages the local machine.
By default, Win2K telnet accepts only NTLM (NT LanMan) authentication rather than the lucid text authentication normally used by telnet. NTLM appears to be superior, but as Joel Scambray and Stuart McClure point out in their seminal security book, Hacking Windows 2000 Exposed, NTLM authentication is vulnerable to man-in-the-middle exploits, especially when exposed by a service such as telnet where it’s simple to grind through passwords. Account lockout doesn’t toil for failed telnet logons. One solution would be to rewrite Windows telnet to utilize Kerberos, but Microsoft hasn’t done this yet.
You can utilize tlntadmn to change the authentication passage from NTLM to both NTLM and criterion password. If you achieve this, be sure to protect the password exchange and the data stream by using a Secure Shell (SSH) product. SSH creates an end-to-end encryption path that protects both the clear-text authentication and the subsequent data transfers. This is similar to the passage basic Web authentication is protected by SSL/TLS. SSH furthermore uses public key technology to sign communications digitally for authentication and nonrepudiation. Microsoft doesn’t provide an SSH implementation in Win2K. A yoke of third-party packages are available:
You can furthermore enable IP security (IPSec) to protect authentication and data streams between servers, but SSH can be targeted specifically to telnet, ftp and other command-line options.
Once you’ve configured telnet to utilize criterion authentication, you can utilize alternate clients. For instance, you can utilize the Hyperterm utility in virtually any version of Windows as a telnet client. Configure the session to utilize TCP/IP (Winsock) and point the session at the DNS appellation or IP address of the telnet server. pattern 1 shows an example.
Text Editing Over TelnetAs convenient as telnet might be for making a connection to a server, as a management implement it’s only as safe as the command-line utilities available at the server. Microsoft enhanced the Win2K command line quite a bit compared to Windows NT, but a few touches are silent lacking. The most glaring deficiency is the lack of a safe console editor, the accent here being on “good.” Edit and edlin will toil in a telnet console, but neither of them is exactly a systems administrator’s best friend. (Note: If you utilize Edit in a telnet console, utilize Ctrl-A as an alternative to the Alt key to access the menus. You can change this shortcut key using tlntadmn. Windows .NET drops support for edlin.)
A better console editor is available. It’s called vim, which stands for VI iMproved. (You can learn more about this freeware at www.vim.org.) If you haven’t worked with vi, it may recall you a while to fetch used to vim, but once you play around with the keystrokes, they feel natural. If you want to fetch staid about using vim, I highly recommend Vi Improved—VIM, a reserve by Steve Oualline (New Riders). (Note: The Resource Kit has a version of vi but it requires running the posix subsystem, which isn’t recommended because it wasn’t included in the C2 security evaluation. Windows .NET doesn’t include a posix subsystem.)
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