VCS-254 Administration of Veritas Cluster Server 6.1 for UNIX Exam Dumps Collected by Killexams.com Exam Dumps Updated On : Click To Check Update

Administration of Veritas Cluster Server 6.1 for UNIX certification

King of the community working programs | VCS-254 Dumps and Real test Questions with VCE Practice Test

January 24, 2000Web posted at: 12:eleven p.m. EST (1711 GMT)

by means of John Bass and James Robinson, network World test Alliance

(IDG) -- all of it boils down to what you are looking for in a community working equipment (NOS).

Do you want it lean and flexible so you can set up it any way you please? most likely administration bells and administration whistles are what you need so you can install a few hundred servers. Or probably you want an working device it truly is strong ample so that you sleep like a child at nighttime?

The decent information is that there's a NOS waiting only for you. After the rash of fresh application revisions, we took an in-depth analyze 4 of the important NOSes in the marketplace: Microsoft's home windows 2000 superior Server, Novell's NetWare 5.1, pink Hat utility's Linux 6.1 and The Santa Cruz Operation's (SCO) UnixWare 7.1.1. solar declined our invitation to post Solaris since the company says or not it's working on a new version.

Microsoft's home windows 2000 edges out NetWare for the network World Blue Ribbon Award. windows 2000 tops the field with its administration interface, server monitoring tools, storage administration amenities and protection measures.

youngsters, if or not it's efficiency you might be after, no product came near Novell's NetWare 5.1's numbers in our exhaustive file carrier and network benchmarks. With its lightning-quickly engine and Novell's listing-primarily based administration, NetWare presents a good base for an commercial enterprise network.

We found the latest free up of pink Hat's business Linux bundle led the record for flexibility as a result of its modular design means that you can pare down the operating equipment to swimsuit the assignment at hand. additionally, which you could create scripts out of diverse Linux instructions to automate projects throughout a distributed ambiance.

while SCO's UnixWare seemed to lag in the back of the pack in terms of file service performance and NOS-based mostly administration elements, its scalability points make it a strong candidate for working business applications.

regardless of the job you saddle your server with, it has to perform neatly at studying and writing data and sending them throughout the network. We designed two benchmark suites to measure each and every NOS in these two categories. To mirror the real world, our benchmark tests agree with a wide range of server circumstances.

NetWare became the hands-down chief in our performance benchmarking, taking first region in two-thirds of the file exams and earning accurate billing in the community tests.

pink Hat Linux adopted NetWare in file efficiency standard and even outpaced the leader in file checks the place the examine/write masses were small. however, Linux did not perform well dealing with large hundreds - those tests wherein there were greater than one hundred clients. beneath heavier person hundreds, Linux had a bent to cease servicing file requests for a short period and then start up once again.

windows 2000 demonstrated poor write performance throughout all our file tests. in fact, we found that its write performance become about 10% of its read performance. After consulting with each Microsoft and client/Server solutions, the writer of the Benchmark manufacturing unit checking out device we used, we determined that the poor write efficiency may well be because of two elements. One, which we have been unable to verify, might be a possible efficiency issue with the SCSI driver for the hardware we used.

extra enormous, although, was an argument with our test software. Benchmark manufacturing unit sends a write-through flag in each and every of its write requests that is meant to cause the server to replace cache, if applicable, and then drive a write to disk. When the write to disk occurs, the write name is released and the subsequent request can also be sent.

at the beginning glance, it seemed as if home windows 2000 was the most effective working equipment to honor this write-through flag because its write performance became so negative. for this reason, we ran a 2nd circular of write tests with the flag grew to become off.

With the flag turned off, NetWare's write efficiency multiplied by using 30%. This verify proved that Novell does indeed honor the write-via flag and should write to disk for every write request when that flag is decided. but when the write-via flag is disabled, NetWare writes to disk in a more productive method by means of batching together contiguous blocks of facts on the cache and writing all these blocks to disk directly.

Likewise, red Hat Linux's efficiency improved through 10% to 15% when the write-through flag turned into became off. when we examined the Samba file equipment code, we found that it too honors the write-through flag. The Samba code then finds an ideal time right through the read/write sequence to jot down to disk.

This 2nd round of file checking out proves that home windows 2000 is elegant on its file system cache to optimize write efficiency. The outcomes of the trying out with the write-via flag off were a great deal better - as plenty as 20 times quicker. although, windows 2000 still fell behind each NetWare and RedHat Linux in the file write checks when the write-via flag changed into off.

SCO honors the write-via flag through default, given that its journaling file gadget is built to maximise information integrity by means of writing to disk for all write requests. The outcomes within the write tests with the write-via flag on were very akin to the examine consequences with the write-via flag turned off.

For the community benchmark, we developed two tests. Our long TCP transaction verify measured the bandwidth every server can preserve, whereas our short TCP transaction check measured each server's skill to tackle large numbers of community periods with small file transactions.

regardless of a negative displaying in the file benchmark, home windows 2000 got here out on desirable in the long TCP transaction check. windows 2000 is the only NOS with a multithreaded IP stack, which allows for it to deal with community requests with diverse processors. Novell and pink Hat say they are working on integrating this potential into their items.

NetWare and Linux also registered effective lengthy TCP check effects, coming in 2d and third, respectively.

in the brief TCP transaction check, NetWare came out the clear winner. Linux earned second location even with its lack of aid for abortive TCP closes, a way during which an working equipment can directly tear down TCP connections. Our testing software, Ganymede application's Chariot, uses abortive closes in its TCP tests.

As commercial enterprise networks grow to require more servers and guide greater end users, NOS administration equipment turn into vital points in retaining networks under manage. We seemed at the management interfaces of every product and drilled down into how each handled server monitoring, customer administration, file and print management, and storage management.

We discovered windows 2000 and NetWare give equally useful management interfaces.

Microsoft management Console (MMC) is the glue that holds lots of the windows 2000 management performance together. This configurable graphical consumer interface (GUI) means that you can snap in Microsoft and third-birthday party applets that customize its functionality. or not it's a two-paned interface, a good deal like home windows Explorer, with a nested record on the left and option particulars on the appropriate. The console is convenient to use and lets you configure many native server features, together with users, disks, and gadget settings akin to time and date.

MMC also means that you can implement administration guidelines for agencies of clients and computers the usage of energetic listing, Microsoft's new directory provider. From the energetic listing administration tool interior MMC, that you may configure clients and alter guidelines.

The network configuration tools are found in a separate utility that opens in the event you click on the community places icon on the computing device. every network interface is listed interior this window. you can add and change protocols and configure, allow and disable interfaces from right here with out rebooting.

NetWare presents a few interfaces for server configuration and administration. These equipment present duplicate functionality, but each and every is beneficial depending from where you are trying to control the gadget. The gadget Console presents a number of equipment for server configuration. one of the most useful is NWConfig, which permits you to alternate birth-up information, deploy gadget modules and configure the storage subsystem. NWConfig is fundamental, intuitive and predictable.

ConsoleOne is a Java-primarily based interface with just a few graphical equipment for managing and configuring NetWare. Third-celebration administration tools can plug into ConsoleOne and help you manage varied features. We believe ConsoleOne's interface is just a little unsophisticated, but it surely works smartly enough for those that have to have a windows- based mostly supervisor.

Novell additionally presents a web-available management software called NetWare management Portal, which allows you to manipulate NetWare servers remotely from a browser, and NWAdmin32, a relatively elementary client-facet tool for administering Novell directory services (NDS) from a home windows 95, 98 or NT customer.

pink Hat's universal techniques management interface is called LinuxConf and can run as a graphical or text-primarily based utility. The graphical interface, which resembles that of MMC, works smartly but has some design concerns that make it complex to use every now and then. for instance, if you happen to run a setup utility that takes up a lot of the screen, the device resizes the software bigger than the laptop size.

nevertheless, that you could control pretty tons anything else on the server from LinuxConf, and you may use it in the neighborhood or remotely over the web or by way of telnet. you could configure device parameters equivalent to network addresses; file device settings and person accounts; and set up add-on features akin to Samba - which is a carrier that lets home windows consumers get to files living on a Linux server - and FTP and net servers. that you may observe changes with out rebooting the device.

universal, purple Hat's interface is valuable and the underlying equipment are powerful and versatile, however LinuxConf lacks the polish of the other vendors' tools.

SCO Admin is a GUI-based mostly front end for about 50 SCO UnixWare configuration and management tools in a single window. for those who click on a device, it brings up the utility to manage that merchandise in a separate window.

a few of SCO's tools are GUI-primarily based whereas others are text-based. The server required a reboot to follow many of the adjustments. On the plus side, that you may manipulate dissimilar UnixWare servers from SCOAdmin.

SCO additionally presents a constructive Java-primarily based faraway administration tool referred to as WebTop that works from your browser.

One essential administration assignment is monitoring the server itself. Microsoft leads the pack in how well you can retain a watch to your server's internals.

The home windows 2000 system display screen permits you to view a true-time, operating graph of system operations, equivalent to CPU and network utilization, and memory and disk usage. We used these tools notably to verify the impact of our benchmark exams on the working device. one other tool referred to as community monitor has a simple network packet analyzer that means that you can see the kinds of packets coming into the server. together, these Microsoft utilities can be used to compare efficiency and capacity throughout varied windows 2000 servers.

NetWare's computer screen utility shows processor utilization, reminiscence utilization and buffer utilization on a native server. in case you understand what to search for, it may also be an impressive device for diagnosing bottlenecks within the equipment. discovering the which means of each and every of the monitored parameters is just a little of a problem, notwithstanding.

if you want to look at performance data throughout numerous servers, that you may tap into Novell's internet management Portal.

purple Hat offers the common Linux command-line equipment for monitoring the server, corresponding to iostat and vmstat. It has no graphical monitoring tools.

as with all Unix working device, you could write scripts to automate these tools across Linux servers. youngsters, these equipment are usually cryptic and require a excessive level of skillability to use without problems. a collection of graphical monitoring equipment would be a good addition to crimson Hat's Linux distribution.

UnixWare additionally presents a couple of monitoring equipment. equipment computer screen is UnixWare's standard but constrained GUI for monitoring processor and memory utilization. The sar and rtpm command-line tools together listing true-time system utilization of buffer, CPUs and disks. collectively, these tools give you a good overall conception of the load on the server.

along with managing the server, you ought to manipulate its users. it be no shock that both NOSes that ship with an built-in directory service topped the field in client administration tools.

We have been in a position to configure user permissions via Microsoft's active listing and the listing administration tool in MMC. that you may community users and computers into organizational instruments and practice guidelines to them.

that you would be able to control Novell's NDS and NetWare shoppers with ConsoleOne, NWAdmin or NetWare management Portal. every can create users, manipulate file space, and set permissions and rights. additionally, NetWare ships with a 5-person edition of Novell's ZENworks device, which offers computing device administration capabilities similar to hardware and application inventory, utility distribution and far off handle features.

red Hat Linux would not present a great deal in the manner of customer administration aspects. You must handle local clients through Unix permission configuration mechanisms.

UnixWare is similar to pink Hat Linux in terms of customer administration, but SCO provides some windows binaries on the server to remotely set file and directory permissions from a home windows client, as well as create and change users and their settings. SCO and crimson Hat present help for the Unix-based network guidance service (NIS). NIS is a shop for network tips like logon names, passwords and residential directories. This integration helps with customer administration.

A NOS is nothing with out the skill to share file storage and printers. Novell and Microsoft amassed good honors in these areas.

that you could quite simply add and hold printers in windows 2000 the use of the print administration wizard, and you may add file shares the usage of energetic directory administration equipment. home windows 2000 also presents disbursed File functions, which permit you to combine information on multiple server into a single share.

Novell disbursed Print services (NDPS) can help you at once contain printers into the community. When NDPS senses a new printer on the network, it defines a Printer Agent that runs on the printer and communicates with NDS. then you definately use NDS to outline the policies for the brand new printer.

You define NetWare file services by means of creating and then mounting a disk extent, which also manages extent policies.

crimson Hat comprises Linux's printtool utility for establishing server-connected and networks printers. that you would be able to additionally use this GUI to create printcap entries to define printer entry.

Linux has a collection of command-line file system configuration tools for mounting and unmounting partitions. Samba ships with the product and gives some integration for windows purchasers. that you would be able to configure Samba only via a cryptic configuration ASCII file - a serious downside.

UnixWare offers a versatile GUI-primarily based printer setup device called Printer SetUp supervisor. For file and extent management, SCO presents a tool referred to as VisionFS for interoperability with home windows customers. We used VisionFS to permit our NT valued clientele to access the UnixWare server. This service changed into easy to configure and use.

home windows 2000 gives the best equipment for storage administration. Its graphical manipulate Disks tool for local disk configuration includes application RAID management; you could dynamically add disks to a quantity set with no need to reboot the gadget. moreover, a signature is written to each and every of the disks in an array in order that they will also be moved to one more 2000 server without needing to configure the quantity on the brand new server. the brand new server recognizes the drives as members of a RAID set and adds the extent to the file device dynamically.

NetWare's quantity management device, NWConfig, is effortless to use, nevertheless it may also be a little difficult to installation a RAID volume. once we knew what we were doing, we had no issues formatting drives and making a RAID extent. The tool looks a little primitive, however we give it excessive marks for functionality and ease of use.

pink Hat Linux presents no graphical RAID configuration equipment, however its command line equipment made RAID configuration handy.

To configure disks on the UnixWare server, we used the Veritas quantity supervisor graphical disk and extent administration device that ships with UnixWare. We had some issues in the beginning getting the tool to recognize the drives so they may well be formatted. We managed to work around the disk configuration problem the usage of an assortment of command line tools, after which volume manager worked well.

whereas we did not probe these NOSes greatly to show any safety weaknesses, we did look at what they offered in protection elements.

Microsoft has made tremendous strides with home windows 2000 safety. windows 2000 supports Kerberos public key certificates as its simple authentication mechanism inside a website, and allows further authentication with wise cards. Microsoft gives a safety Configuration device that integrates with MMC for effortless management of protection objects within the energetic listing capabilities gadget, and a new Encrypting File device that allows you to designate volumes on which data are immediately kept the use of encryption.

Novell added guide for a public-key infrastructure into NetWare 5 the usage of a public certificates schema developed via RSA protection that lets you tap into NDS to generate certificates.

pink Hat presents a fundamental Kerberos authentication mechanism. With pink Hat Linux, as with most Unix operating techniques, the network capabilities can be in my view managed to boost safety. red Hat presents Pluggable Authentication Modules as a means of allowing you to set authentication guidelines throughout classes operating on the server. Passwords are included with a shadow file. pink Hat also bundles firewall and VPN functions.

UnixWare has a group of safety tools called safety supervisor that allows you to install varying degrees of intrusion coverage across your network services, from no restrict to turning all community features off. it be a superb administration time saver, though you may manually regulate the services to obtain the equal result.

essentially the most function-rich NOS is of little value if it can't preserve a server up and operating. home windows 2000 presents utility RAID 0, 1 and 5 configurations to give fault tolerance for onboard disk drives, and has a constructed-in community load-balancing function that allows a bunch of servers to appear to be one server and share the same community identify and IP handle. The neighborhood decides which server will provider each request. This now not handiest distributes the network load throughout a couple of servers, it also gives fault tolerance in case a server goes down. On a lesser scale, which you could use Microsoft's Failover Clustering to provide fundamental failover functions between two servers.

As with NT 4.0, home windows 2000 gives reminiscence insurance policy, which skill that each procedure runs in its own section.

There are also backup and fix capabilities bundled with home windows 2000.

Novell has an add-on product for NetWare called Novell Cluster features that lets you cluster as many as eight servers, all managed from one location the usage of ConsoleOne, NetWare management Portal or NWAdmin32. but Novell presently offers no clustering products to provide load balancing for functions or file functions. NetWare has an tricky memory insurance policy scheme to segregate the memory used for the kernel and applications, and a Storage management functions module to give a highly flexible backup and repair facility. Backups may also be all-inclusive, cowl components of a volume or keep a differential photo.

crimson Hat provides a load-balancing product known as piranha with its Linux. This package offers TCP load balancing between servers in a cluster. There isn't any complicated limit to the variety of servers which you could configure in a cluster. crimson Hat Linux also gives utility RAID help through command line equipment, has memory protection capabilities and offers a rudimentary backup facility.

SCO gives an not obligatory function to cluster a few servers in a load-balancing atmosphere with continuous Clustering for a excessive degree of fault-tolerance. currently, continuous Clustering helps six servers in a cluster. UnixWare provides application RAID assist that is managed using SCO's on-line information supervisor function. all the normal RAID degrees are supported. computing device acquaintances' bundled ArcServeIT 6.6 gives backup and repair capabilities. UnixWare has reminiscence protection capabilities.

as a result of our testing turned into carried out earlier than windows 2000's regular availability ship date, we had been no longer able to consider its difficult-copy documentation. The online documentation provided on a CD is wide, constructive and smartly-equipped, however an internet interface would be tons simpler to make use of if it gave more than a couple of sentences at a time for a particular support subject.

NetWare 5 comes with two manuals: an in depth guide for setting up and configuring the NOS with good explanations of ideas and lines along with an outline of a way to configure them, and a small spiral-sure booklet of quick birth playing cards. Novell's online documentation is terribly advantageous.

red Hat Linux comes with three manuals - an setting up guide, a getting started e book and a reference manual - all of which might be effortless to observe.

despite being probably the most tricky product to install, UnixWare offers the choicest documentation. It comes with two manuals: a equipment guide and a getting began book. The device handbook is a reference for conducting the installation of the working equipment. It does an excellent job of reflecting this painful event. The getting started guide is smartly-written and well-prepared. It covers lots of the tools necessary to configure and retain the working gadget. SCO's on-line documentation looks excellent and is easy to observe.

The bottom line is that these NOSes present a big range of traits and supply enterprise valued clientele with a great deal of alternative involving how each and every will also be used in any given company network.

if you need a very good, well-known purpose NOS that may convey business-type services with all of the bells and whistles imaginable, then windows 2000 is the strongest contender. although, for top performance, enterprise file and print features, our exams exhibit that Novell leads the pack. when you are inclined to pay a stronger rate for scalability and reliability, SCO UnixWare could be a safe wager. but if you want a reasonable alternative which will give you bare-bones network services with decent performance, crimson Hat Linux can definitely healthy the bill.

The choice is yours.

Bass is the technical director and Robinson is a senior technical workforce member at Centennial Networking Labs (CNL) at North Carolina State institution in Raleigh. CNL focuses on performance, capacity and features of networking and server technologies and machine.

Debate will center of attention on Linux vs. LinuxJanuary 20, 2000Some home windows 2000 PCs will soar the gunJanuary 19, 2000IBM throws Linux lovefestJanuary 19, 2000Corel Linux will run home windows appsJanuary 10, 2000Novell's eDirectory spans platformsNovember 16, 1999New NetWare embraces internet appsNovember 2, 1999Microsoft sets a date for windows 2000October 28, 1999

Fusion's discussion board: square off with the carriers over who has the top-quality NOS(community World Fusion)How we did it: particulars of the testing(network World Fusion)find out the tuning parameters(community World Fusion)down load the Config data(community World Fusion)The Shootout effects(community World Fusion)Fusion's NOS substances(network World Fusion)With windows 2000, NT grows up(network World Fusion)Fireworks anticipated at NOS showdown(network World Fusion)

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Novell, Inc.Microsoft Corp.The Santa Cruz Operation, Inc. (SCO)purple Hat, Inc.

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References :

Dropmark : http://killexams.dropmark.com/367904/11587501
Wordpress : http://wp.me/p7SJ6L-Tt
Issu : https://issuu.com/trutrainers/docs/vcs-254
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weSRCH : https://www.wesrch.com/business/prpdfBU1HWO000MKTF
Calameo : http://en.calameo.com/books/004923526af9127a159dd
publitas.com : https://view.publitas.com/trutrainers-inc/just-study-these-vmware-vcs-254-questions-and-pass-the-real-test
Box.net : https://app.box.com/s/ne861n9l9dlkbi6gcybq1bsrm4m3aoqs
zoho.com : https://docs.zoho.com/file/5ptno1338f966d5174f9c8b9079af28acc6f6
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