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HP0-746 OpenView Network Node Manager I (6.x) -NT

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HP0-746 exam Dumps Source : OpenView Network Node Manager I (6.x) -NT

Test Code : HP0-746
Test title : OpenView Network Node Manager I (6.x) -NT
Vendor title : HP
exam questions : 171 real Questions

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HP HP OpenView Network Node

Deal adds Packet analysis to HPs OpenView | killexams.com real Questions and Pass4sure dumps

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

HP has warned that its community management device suffers from a vulnerability safety specialists are calling "reasonably critical."

according to a security bulletin posted on the HP internet site (registration required), a vulnerability in the Openview network Node manager (OV NNM) might permit malicious people far flung entry to affected systems.

in response to HP, there are complications with OV NNM versions 6.2, 6.4, 7.01 and 7.50 operating on HP-UX, Solaris, home windows NT, home windows 2000, home windows XP and Linux.

in line with an advisory posted on security commerce Secunia's net web site, enter handed as a parameter to the script cgi-bin/connectedNodes.ovpl is rarely "properly sanitized before being used as command line arguments." The resulting command "can exist exploited to execute capricious shell commands by the utilize of a specifically crafted string containing shell meta characters."

The advisory additionally says the cdpView.ovpl, freeIPaddrs.ovpl, and ecscmg.ovpl scripts are reportedly besides vulnerable.

unless HP releases a patch, the enterprise advises users to stream the connectedNodes.ovpl, cdpView.ovpl, freeIPaddrs.ovpl and ecscmg.ovpl scripts to an additional directory.


All in the family unit: A Revealing gaze at HP’s windows 2000 capabilities and items | killexams.com real Questions and Pass4sure dumps

All in the family unit: A Revealing gaze at HP’s home windows 2000 services and items

HP, as a Microsoft windows 2000 international Launch associate, published its aggressive functions approach and a few modern items on the contemporary Mircosoft Expo. HP is abundantly organized to steer windows 2000 with the comprehensive household of hardware items and a comprehensive provider application.

The three-day Microsoft windows 2000 convention and Expo held in San Francisco changed into attended by way of a few thousand keen IT authorities. in contrast to Microsoft’s previous essential, customer-based mostly product launches, this sustain turned into very subdued, most likely to mirror the sober nature of company computing. HP, as a Microsoft home windows 2000 global Launch accomplice, published its personal aggressive services approach and a number of modern products.

In an strategy it's yardstick of HP, the commerce is abundantly prepared to advocate home windows 2000 with the complete family of hardware products and a complete service application. probably the most telling examples of HP’s commitment to windows 2000 changed into the contemporary formation of the Microsoft capabilities company. (See sidebar conversation with HP typical manager David Stubbs.) the modern commerce unit is dedicated to helping valued clientele plan, design, implement and hold Microsoft applied sciences throughout the commercial enterprise to bring what they hope to exist bulletproof computing environments.

The outward relationship between HP and Microsoft exhibited during the sustain turned into every grins and thumbs-up. although there existed some behind-the-scenes concern concerning future product conflicts, Microsoft’s vp of windows advertising, Deborah Willingham, officially echoed the mutual worship with the aid of pointing out, "we're delighted that HP is presenting this kind of finished sweep of hardware, software, services and assist for home windows 2000. The depth of HP’s services, which consist of consulting, migration services, license administration and working towards, will provide their mutual shoppers the censorious capabilities they want."

Jim Allchin, Microsoft neighborhood vice president for windows platforms, underscored these views. "HP is constructing notebook programs that are utterly optimized for windows 2000 … via combining world-classification products and capabilities from Microsoft and HP, purchasers bag delight from a smoother migration direction and a more constant, manageable consumer journey."

Manageability items

For many years, HP has led the pack in cross platform network administration tools. With the unlock 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 brand modern home windows 2000 manageability equipment.

The massive tidings is anything known as Vantage factor for windows, a set of technologies that become developed for commerce windows 2000 manageability. in line with Renshaw, "Vantage factor offers real intelligence illustration monitoring, and the capability to proactively acquire note what's being run. Vantage factor and OpenView specific acquire been developed from the ground-as much as aid home windows 2000. This permits mountainous scalability."

building from its current commercial enterprise successes, HP OpenView specific is designed for mid-size businesses running home windows 2000 and other operating techniques. It combines HP OpenView ManageX for proactive server manage and management, OpenView network Node manager for community administration and event notification, and OpenView OmniBack II for backup and retrieval of stored digital facts. This suite enables faster hardship isolation and resolution with the aid of integrating network suggestions. by using event correlation, alarms, reporting and threshold institution, the commerce paraphernalia administrator is afforded paraphernalia to manage and troubleshoot.

HP OpenView offers policy-based mostly management to monitor windows 2000 techniques, in response to predefined thresholds. motion will besides exist taken when failure or degradation is establish in CPU utilization, reminiscence usage, disk utilization or efficiency reliability. OpenView can besides exist used to instantly restart home windows 2000 features when thresholds are exceeded.

When requested about its relationship to home windows 2000 energetic directory, Renshaw brought up that a substantial volume of pains has long past into featuring APIs for future construction. at present, the relationship is rather fundamental, but plans for extra integration are in the works. As to the connection of HP’s administration tools with Microsoft’s paraphernalia administration Server product, HP turned into much less definitive. "We accept as true with them complementary at this stage, however there may well exist some performance overlap in the future … they can acquire to notice issues increase."

In a aspect discussion with the CIO of artistic Artists agency (CAA), Michael Keithley, they establish a large fan of OpenView specific. He gave an illustration of the necessities that CAA has for storing and retrieving the tremendous amounts of streaming digital information associated with the movie, tv and recording trade. The requisite to unexpectedly produce digital content about their consumers is a vital ingredient of their success. Keithley states that the "OmniBack characteristic, in selected, more than surpassed their expectations. working OpenView express on home windows 2000 offers both efficiency and reduced fees." The commerce at the second makes utilize of 45 HP four- and eight-way NetServer LPr, and LX 8000 and 8500 programs. additionally, it has 25 HP NetServers in zone to steer file, print, fax and e-mail services.

another censorious application suite added for aid on home windows 2000 is HP TopTools. This set of utilities monitors device actions and alerts clients of pending portion failure or other capabilities problems.

enhanced safety Bundle

one of the crucial key price-brought accessories to the home windows 2000 combine offered by HP is its advanced protection items. Denis Bournival, HP software supervisor, shared his concepts on these safety initiatives.

The HP ProtectTools 2000 optimizes the protection elements already obtainable in home windows 2000. "the public Key Infrastructure (PKI) features of the OS are additional greater, for instance, via the brand modern HP smart Card readers," states Bournival. "This technology is finding acceptance across industries, with highest exact in financial, govt, and commerce to enterprise cyber web settings."

HP views the ProtectTool 2000 as a transaction-enabling expertise by utilizing digital deepest Networks. "IPSec efficiency is additionally vastly greater," concludes Bournival.

HP takes the thought of their protection bundle one step additional. probably the most underrated areas of commerce safety pertains to energy management. If the gadget fails, expensive records may well exist lost. in keeping with this subject, HP introduced the HP punch coverage machine for windows 2000. Designed to travail without detain with the windows 2000 expert hibernation mode, this compact machine matches into a computer sole free expansion shelf. The power insurance contrivance device is absolutely automatic, no matter if the workstation is unattended, in sleep mode, in "droop" mode, or in "droop to RAM" mode. every open file and person desktop ambiance backup is carried out in case of power failure, shutting down the computer, cleanly and securely, inside 5 seconds.

functions

HP is extraordinarily aggressive in offering its home windows 2000 services. In a dialog with Ian Bromehead, who manages the world Microsoft solutions features heart in Grenoble, France, he indicated that HP has opened operations world wide to aid home windows 2000 proof-of-conception checking out, planning and migration. "We want purchasers to event home windows 2000 in a real-world ambiance after which to prototype their commercial enterprise with professional aid."

The windows 2000 Readiness assessment classes are designed to assist purchasers account their existing IT atmosphere and to distinction these needs against the mixed items and functions provided by using HP and Microsoft. HP consultants travail with purchasers to deliver giant and tangled implementations in a managed examine ambiance. The Server and Storage Consolidation Planning application is designed to aid shoppers to strengthen and manage an architectural approach that optimizes home windows 2000 expertise.


HP0-746 OpenView Network Node Manager I (6.x) -NT

Study steer Prepared by Killexams.com HP Dumps Experts


Killexams.com HP0-746 Dumps and real Questions

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HP0-746 exam Dumps Source : OpenView Network Node Manager I (6.x) -NT

Test Code : HP0-746
Test title : OpenView Network Node Manager I (6.x) -NT
Vendor title : HP
exam questions : 171 real Questions

Take Advantage, utilize questions and answers to ensure your success.
A few wonderful men cant bring an alteration to the worlds way but they can only parade you whether you acquire been the only guy who knew how to conclude this and I want to exist known in this world and produce my own ticket and I acquire been so lame my total way but I know now that I wanted to bag a pass in my HP0-746 and this could produce me notable maybe and yes I am short of glory but passing my A+ exams with killexams.com was my morning and night glory.


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I had seemed the HP0-746 examination closing yr, however failed. It seemed very difficult to me because of HP0-746 subjects. They were without a doubt unmanageable until I establish the questions & acknowledge acquire a gaze at steer by killexams. This is the first-class steer I actually acquire ever purchased for my examination preparations. The way it dealt with the HP0-746 substances become notable and even a sluggish learner relish me should deal with it. Passed with 89% marks and felt above the world. Thanks Killexams!.


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It is high-quality revel in for the HP0-746 exam. With now not masses stuff to exist had online, Im satisfied I acquire been given killexams.Com. The questions/solutions are really great. With killexams.com, the exam acquire become very clean, remarkable.


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To bag organized for HP0-746 rehearse exam requires plenty of difficult travail and time. Time management is such a complicated problem, that can exist rarely resolved. however killexams.com certification has in reality resolved this hardship from its root level, via imparting number of time schedules, in order that you possibly can without problems entire his syllabus for HP0-746 rehearse examination. killexams.com certification presents every of the tutorial guides which are essential for HP0-746 rehearse examination. So I requisite to drawl with out losing a while, start your practise underneath killexams.com certifications to bag a unreasonable rating in HP0-746 rehearse examination, and produce your self sense at the top of this global of understanding.


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

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Network Management And NNM sprint To The Web | killexams.com real questions and Pass4sure dumps

Network Management And NNM sprint To The Web

A User's View Of HP OpenView Network Node Manager 6.0.

Some useful improvements and significantadministrative enhancements, especially the Web Launcher, will allow more users toefficiently access the information contained in NNM. However, there are more databases tocontend with instead of fewer, which limits the scalability of the system.

HP's OpenView Network Node Manager (NNM) 6.0 has many exciting modern features. Most ofthem produce the system easier to use, with added flexibility to meet specific needs. Likemost things in life, however, it's not a panacea for every workable network management ills.Therefore, it's censorious to equilibrium the identified strengths and limitations in order tocreate an optimal managed environment.

Automated Backup is probably the most exciting modern feature of NNM 6.0. Older NNMversions forced you to shut down the entire NNM suite of daemons in order to back up adatabase, an unacceptable procedure for many 24x7 operations centers. Now, NNM"freezes" the state of the network so that the various databases can exist insynchronization when the databases are copied.

This is done with the modern ovpause command. The OpenView database directory is copied toa temporary directory specified by the administrator. Once the copy is complete, theovresume command is executed and the "frozen" daemons duty again. Thetemporary directory can then exist copied to tape at the administrator's discretion.

Not surprisingly, during the backup procedure, writing to data cannot occur. In fact,the map and warning displays are frozen, so no panning or event acknowledgements can bedone. While this is limiting, the overall down time of the system is reduced from 20 to 60minutes for existing setups to two to three minutes. I referee most network managers willaccept the tradeoff.

NNM has several extremely wonderful administrative enhancements. To date, the UNIX andWindows NT versions acquire had some significant differences in functionality; but not anylonger. For example, the UNIX version contains a command line option for map statuspropagation or map copy/delete. These features are now in the NT version as well.

Even more noticeable, is the similarity between the pull-down menus. In NNM 5.01, theNT pull-down menus had a distinctly Microsoft Windows style. Now in both the UNIX and NTversions, Windows pull-downs are the rule.

Unfortunately, however, a number of features continue to distinguish the UNIX versionfrom its NT counterpart. IPX discovery will remain in the NT version, as will submap help,cascading submap display, DMI and SMS integration. The NT Tools menu will remain NT only.But most of these functions are clearly in the PC/NT category anyway.

Remote console configurations are now interchangeable. That's wonderful tidings because noweither an NT or a UNIX GUI can exist attached to either a UNIX or NT server. The biggestplus: an NT console can exist attached to a UNIX server. This has the potential of greatlyreducing the cost of network operations heart equipment, a possibility that should scorebig with corporate IT departments.

Collection SelectionsNNM 6.0 has the ability to amalgamate and match NT and UNIX Collection Stations (CS) andManagement Stations (MS). Previously, you could attach an NT or UNIX CS to a UNIX MS, butonly an NT machine could exist used as a standalone MS or a CS. While you now acquire theability to attach a UNIX CS to an NT MS, this probably won't occur much.

However, NT-centric shops can now apply CS-MS configurations with strictly NT boxes.There's silent the question, however, of whether NT has the horsepower yet to workeffectively in the large environments that typically requisite a Distributed Management (DIM)architecture.

Another nice modern feature is the map import/export function. Internet smooth maps can besaved to an ASCII file and import maps from ASCII files. This is wonderful for making many maplayout changes while having a backup. This feature works very well; however, it works forthe Internet-level only and does not deliver user plane symbols. While I don't believe it'ssupported, I was able to export a map from a UNIX system and import that map into an NTsystem (and vice versa).

The categories of NNM filters sustain growing. In the previous version, you had fourdifferent kinds of filters to apply for managing your environment. Now there are seven:

Map. This filter selectively limits what is presented to the user in amap. It's an automated way of only allowing a particular user to notice devices that aretheir responsibility.

Persistence. This filter forces some submaps that would normally betransient to reside in memory. It's used mainly for compatibility with third-partyapplications that assume needed objects are in memory. In practice, this is rarely used,since submaps that are custom drawn (which is most of the time) permanently reside inmemory anyway.

Topology. Topology filters are used in a DIM environment to describewhat objects from a collection station will exist forwarded to a management station. Whilethe MS-CS architecture looks logically relish a master-slave relationship, in realitymanagement stations and collection stations are peer autonomous systems. The topologyfilter is a collection station's way of telling a management station what it haspermission to see.

Discovery. Discovery filters waiton minimize the number of objects inthe database by only allowing objects which pass a positive criteria into the database. Theproblem with a discovery filter is that an object has to exist exact polled before it'schecked against discovery logic. This means that netmon will constantly exact poll thesame objects in the network before discarding them.

A much better option is to utilize the noDiscover filter, the Discovery filter'scomplement. The noDiscover filter is checked before the exact poll is done. If the IPaddress to exist polled is in the noDiscover file, the object is not exact polled. This ismuch more efficient. However, because NNM has no scholarship of what kind of device anobject is before the object is polled, noDiscover filters can only filter by IP address.

Failover. The first of three modern filters in NNM 6.0, the failoverfilter is designed to parade a management station what objects from a collection station themanagement station should acquire over polling. This is a very mountainous improvement over previousNNM environments. Many configurations utilize failover with a collection of complicatedscripts that produce command line changes to netmon's polling attributes. This is now greatlysimplified. sustain in mind, howeverr, that database sizes will extend substantially whenimplementing any failover strategy.

DHCP. More and more enterprises are using Dynamic Host ConfigurationProtocol (DHCP) to dynamically designate IP addresses for PCs. This makes addressmanagement easier, but the constantly changing IP addresses antecedent complications formanaging objects in NNM. This filter allows you to identify the sweep of addresses thatcomprise your DHCP address space. Once NNM knows this, you can elect several differentways to manage these addresses. This can every exist done via a Java GUI.

Important Nodes. The censorious Nodes filter is used in conjunctionwith Event Correlation Services (ECS) to allow netmon to override downstream eventsuppression for censorious nodes in the network. Usually, if a router is unreachable, eventsuppression will parade netmon not to bother polling any devices downstream from that routerbecause they will exist unreachable.

However, there may exist censorious devices you silent want to identify beyond the rootproblem; or you may acquire the ability to dial back into a far side device via ISDN. TheImportant Nodes filter gives you the ability to identify these censorious devices and havenetmon continue polling them. Filters provide the ability to automate much of the networkdiscovery and maintenance processes. The wonderful thing about these filters is that they areASCII files that are effortless to read and edit.


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

Hewlett-Packard has been delving deeper and deeper into crossplatform enterprise systems management, through a string 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 advocate 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 tangled convene 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 arduous was silent using HP's traditional Network Node Manager. "That was one of the reasons I was hired. It didn't distress 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 comprehend Network Node Manager as one of its myriad optional modules. Used for network element discovery, layout, inventory and performance, it connects with HP OpenView Operations for cross-discipline administration.

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

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

HP needs to exist a software playerSome critics argue that OpenView can't exist every that censorious 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 sustain declining; computing-based commerce services are now censorious to enterprise success; and successful delivery of commerce services requires management of the entire compting stack," she says.

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

Noel besides 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 every 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 besides 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 besides exist 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 learn 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 besides includes "impact analysis" capabilities for determining which databases and applications are likely to suffer, and the smooth of severity of the impending hit. OpenView uses color coding to bespeak 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 instrument 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 censorious piece was to produce positive they got the requirements for alarms monitors and thresholds from every of the associated systems managers. They didn't want to exist paging someone at 3 am, just because server capacity had reached 90 percent," Hagan recalls.

Hagan claims that he's gotten extensive cooperation from every across his company. "Our e-commerce team thinks OpenView is wonderful. What you can conclude 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 acquire longer implementation times. They didn't acquire 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 elude on, although sometimes you bag 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 smooth management with OpenView.

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

"HP has two overall messages about its solutions. The first is (that) HP solutions waiton corporate IT deliver better services with fewer resources and lower costs. The proverbial silver bullet HP OpenView offers is service smooth management. HP expands the definition of service smooth 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 smooth management and continues to add capabilities. (It is) innovative in that HP's newest products address how modern technologies change the management requirements."

HP's three-year roadmap calls for further improvements to integration, infrastructure, and storage management; progress of a Service smooth object 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 sole toolkit for third party vendors.

With the Service smooth object Model, HP is looking to "grab every the information, and position it into a common format, so it's easier to participate information as you sprint 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 bag that by using (OpenView) for a while. Also, you can track the path a transaction took through .NET, but you can only conclude 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, every told.

Other recently added OpenView products comprehend 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 exist 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 offer the identical capabilities. "But we're besides taking advantage of the characteristics of each platform. The Windows version was designed for Windows from the ground up. It makes utilize of Windows drag-and-drop, for instance," Emmett says.

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

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

» notice every Articles by Columnist Jacqueline Emigh


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

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

By Jack Fegreus

The explosive growth in storage is expressing itself in modern definitions of what constitutes "the system." An stirring concept 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 vigilant of the NAS device depends on just how vigilant they are of their network environment, and how well the operations staff has hidden device configuration from view. Linux users may exist vigilant of a modern file mount point, while Windows users may exist vigilant of using a modern or different drive letter. However, nobody needs to exist made vigilant that the device can exist 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 exist 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 besides offers upgrades to Gigabit Ethernet and 1000Base-SX fiber to cover the requisite 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 title for the NAS device. Once TCP/IP settings are chosen, the HP storage server is rebooted and appears on the network. every 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 exist broadcast.

Configuring the disks is easy, but can exist time-consuming, as each modern file volume must exist 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 exist 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 exist merged (mounted) into mount points within the prevalent NFS structure. Unix-like access permissions are set using the Web interface. Systems administrators can set a title by which Windows will notice the volume participate name. As with aboriginal Windows sharing, password security can exist set by the access required. Once the participate is created, it is exposed using SAMBA; Windows clients can gain access to the volume using the Windows aboriginal "Map Network Drive" interface.

We've deliberately skipped over the details of how the NetStorage 6000 manages disk media and the way in which it maps physical media into logical disk space that can exist assigned to file volumes. When you start looking at the raw disk subsystem through the NAS server's interface, you notice a collection of physical (raw) drives. These physical drives can exist 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, sharptangy 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 allot one or more as a sharptangy spare. If a physical drive that is portion of a RAID array fails, the NAS server automatically assigns the first available sharptangy spare to replace the failed drive.

HP's NetStorage 6000 cabinet holds ten 36GB disk drives. While those drives could exist 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 prevalent operation. A third, hot-swappable power supply can exist added so that the system will survive the failure of any sole power supply. In addition, an uninterruptible power supply (UPS) can exist 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 exist 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 advocate for HP DLT tape is integrated into the NetStorage 6000. Moreover, backup and restore operations can exist 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 state of the file volume. When a client writes data to the volume, the traditional data is copied to become a portion 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 every 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 vigorous checkpoint files will grow at a correspondingly towering 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 produce 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 limit between systems, such as a network connection, there is the opening for the malicious user to change the way 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 aboriginal 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 vigorous Directory Domain Controller under Windows 2000-authenticates users.

HP allows security to exist 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 besides 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 advocate 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 acquire a amalgamate of Windows NT, Solaris, and Linux systems, HP NetStorage 6000's instrument set includes CA Unicenter TNG Framework and CA ARCserveIT, which elude on every of these systems. NetStorage 6000 besides 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 stirring exercise that yielded equally stirring 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 elude the OpenBench Labs disk benchmark in order to gauge achievable data throughput from the HP NetStorage 6000. every 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 beat or enhance the effects of these caches on their respective systems.

While the graphs parade the complete fable 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 efficacious throughput in the sweep 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 block size. At a 2KB block size, throughput for one process was 5.08MBps, while at a 128KB block size, throughput surged to 5.11MBps. Normally, they would expect to notice throughput monotonically increasing with block size.

Increasing the number of processes reading the file rapidly increased overall throughput, but varying the read block size never affected measured throughput. Using 8KB blocks, the most common I/O block size establish 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 theoretical 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 exist 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 towering client caching, efficacious throughput can attain 70MBps, which has cramped to conclude with the NAS server.

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

Click here to enlarge image

With one process and no chance 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 identical server, inter-process caching came into play and throughput exceeded network limits by 30%.

Benchmarks vanish 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 way 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 acquire used their benchmarks in the past, their target audience is CTOs, together with the people who advocate the IT decision-making process. The CTO is charged with ensuring that every hardware devices and software purchased are the best available for the organization.

Our goal is to supply the CTO's team with a constant flood of practical information to utilize 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 produce a drive that in the laboratory accepts data at astonishing rates; however, theory is far less censorious 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 nearby approximations to them-need to exist instantly identifiable and acquire meaning for their readers. A tenth the hurry of abysmal Blue is no less obtuse as 10 times the hurry of a PDP-11/45. The market, and not technological perfection, needs to steer the election 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 irrelevant as the techniques used in devices are constantly updated. What's more, benchmarks are rather unique in that the discovery of positive 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 perpetual 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 every 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 efficacious load that a disk subsystem can support. Here the goal is to measure how quickly data can exist 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 average 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 every these benchmarks in a string 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 every 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

  • (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 sole 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 every 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 beat the cache on both the HP NetStorage 6000 and the Dell PowerEdge 2400.



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