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000-674 exam Dumps Source : xSeries - Windows 2000 Installation/Performance Optimization
Test Code : 000-674
Test designation : xSeries - Windows 2000 Installation/Performance Optimization
Vendor designation : IBM
: 68 existent Questions
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IBM AGGRESSIVELY ATTACKED the exorbitant terminate of the Intel-based server market on Friday with a collection of hardware and functions bulletins at the CeBit reveal in Hanover, Germany. the centerpiece become a sixty four-way equipment that uses the company's NUMA expertise.
the new eServer x430 can wield as much as sixty four 900MHz Pentium III Xeon chips and is able to processing 688,220 transactions a minute, according to company officials. The commerce will thrust the system towards greater accounts looking to give a boost to their infrastructure to better elope e-commerce purposes. a touchstone equipment configured with eight 900MHz Pentium III Xeon chips, 4GB of reminiscence, and 100GB of disk storage is priced at about $a hundred and sixty,000.
The servers can be "partitioned" into units of 4 processors each and every, which allows for them to elope numerous application structures concurrently, an IBM spokeswoman spoke of. platforms supported involve Linux and IBM's AIX, and may consist of Microsoft's home windows 2000 Datacenter when the newest version of that working device ships, the company spoke of.
IBM additionally took the wraps from three other Intel-based servers, two of which are four- means including the xSeries x250 and x350, with the third being the x370 in a position to housing eight Pentium III Xeon chips.
An eServer x250 configured with two 700MHz Xeon processors, 1GB of memory, 72GB of storage, a 10/a hundred Ethernet adapter, and a windows 2000 Server license is priced at about $13,500, IBM noted. A in a similar pass configured eServer x350 with 54GB of storage and two 10/100 Ethernet adapters is priced at about $14,500. An eServer x370 configured with 4 700MHz Pentium III Xeons, 2GB of reminiscence, 36GB of storage, two 10/100 Ethernet adapters, and a home windows 2000 Server license is priced at $35,500, IBM talked about.
additionally introduced become a train of storage alternatives geared toward enterprise-degree clients together with an interior LTO (Linear Tape Open) and SDLT (super Digital Linear Tape) drives.
In concert with the hardware announcements, IBM is asserting a sequence of service advocate programs for Microsoft's home windows 2000 DataCenter Server, underlining the company's already potent dedication to that working equipment. the brand new capabilities are aimed toward assisting company clients test, install, and maintain mission-essential purposes for home windows 2000.
''The net-internet of this [announcement] is we're taking an aggressive mode to accelerate the adoption of high-conclusion Intel servers and we're leveraging home windows facts Server to finish this," pointed out Jim Gargen, vp of IBM's eServer X train of servers in Raleigh, N.C.
IBM can be taking several mainframe-level services offered by the enterprise's international carrier organization and making them obtainable on home windows 2000 facts middle. Such features involve catastrophe recuperation, testing functions, and high-availability ensures as much as 99.99 % availability covering both the hardware and the operating gadget.
large Blue has joined with Intel and Microsoft to create a new performance benchmark that measures that a cluster of xSeries Pentium III Xeon chips working windows Datacenter can vie a number of better-end proprietary server systems.
Code-named SuperNova, IBM claims it processed 688,220 transactions a minute using a cluster of 32 x370 servers, every with eight 900MHz Pentium III processors working DataCenter and Microsoft's SQL Server 2000 commerce edition.
The announcements signify just step one as a piece of a concerted pains to more desirable set up its Intel-based mostly servers in corporate bills. as an example, IBM plans to refresh many of its servers later this yr with the Pentium four chip.
This story, "CeBit: 64-means IBM device makes exhaust of NUMA; windows 2000 information middle advocate on tap" was at the soar posted by means of InfoWorld.
informationIBM Presses ahead with Scale-Out Benchmark on Datacenter
IBM ran home windows 2000 Datacenter Server and SQL Server 2000 on 32 of its new eight-processor IBM eServer xSeries 370 servers, which absorb been unveiled on Friday. IBM additionally ran a junior version of the verify -- the identical configuration with 16 nodes and a yield of 363,129 tpmC.
Analyst Tom Manter of the Aberdeen group calls the results excellent.
"IBM has taken loads of their adventure and expertise from the excessive-end mainframe methods and midrange systems and introduced that down into their xSeries. We're starting to see one of the crucial results and that they're very tall character and astonishing," Manter says.
The consequences are entertaining for two reasons. they are the first clustered results elope the exhaust of home windows 2000 Datacenter Server. They additionally limn a departure for IBM Corp. in the exhaust of Microsoft's SQL database rather than IBM's personal DB2.
Jay Bretzmann, IBM's manager of product advertising for the xSeries, calls the database determination an "openness factor."
"closing time they used DB2. subsequent time they might also exhaust DB2 once again. They finish not are looking to peer dote a one database organization," Bretzmann says.
Manter says one purpose IBM may absorb switched databases become to bag Microsoft's guide. Microsoft issued a information unlock Monday morning merchandising IBM's outcomes, however Redmond become basically taciturn over the summer when IBM produced what become then a list benchmark on home windows 2000 superior Server the exhaust of DB2.
IBM's current configuration used 256 of Intel's newest Xeon processor, the 900 MHz launched closing week.
The top outcome puts IBM ahead of Compaq's 505,302 tpmC from October for the #1 spot. Compaq and IBM were enjoying leapfrog with the dimensions-out methods on account that Compaq and Microsoft teamed on the primary windows 2000 scale-out result in February 2000.
these clustered methods absorb been controversial, spurring the TPC to create a brand new division within the approach it publishes its effects: one list for clustered results, one for non-clustered results. not one of the carriers -- Microsoft, IBM and Compaq -- has pushed ahead a reference consumer who's implementing their clustered databases yet, despite the fact Microsoft features out that Tandem consumers were the exhaust of clustered methods for years.
The cost efficiency of $28.89/tmpC works out to a total device permeate of $19,884,668. it really is nearly twice the $10 million of the 2d location Compaq system ($19.ninety eight/tpmC) and notably greater than the practically $12 million cost tag of the optimum ranking non-clustered equipment on the list, Fujitsu's seventh-ranked PrimePower 2000 that hits 222,772 tpmC ($50.34/tpmC).
The expense performance compared with Compaq's effects stems partially from using Datacenter Server as adverse to advanced Server. The hardened Datacenter OS expenses more and must at total times involve a carrier part.
IBM's peer at various systems are scheduled for availability in late can also. --
Scott Bekker is editor in chief of Redmond Channel companion magazine.
newsIBM suggests its Hand in high-end windows Hardware
big Blue unveiled its IBM eServer xSeries 430 on Friday, a sixty four-processor NUMA device developed for 32-bit Intel processors. The techniques, an outgrowth of the NUMA-Q line IBM received 18 months in the past when it purchased Sequent computer programs, aid Linux and mainframe purposes automatically. they are going to start supporting Datacenter Server in the Whistler timeframe. Microsoft at the second says its Whistler servers will doubtless ship within the fourth quarter.
Ian Miller, vice president for advertising of the eServer xSeries, says that over time windows and Whistler symbolize the biggest solitary market for the xSeries 430. For now, IBM executives don't believe they're lacking an immense casual through not having enhanced-than-eight-processor hardware attainable for windows 2000 Datacenter Server.
"The scalability that home windows has at this aspect in terms of truly starting to be to a plenary 32-processor gadget, there are obstacles in how a long pass that you would be able to go," Miller says. IBM will point valued clientele to scaling out on their new eight-processor servers, the IBM eServer xSeries 370. "i would wrangle that the x370, frankly, represents a higher price-performance message for the windows Datacenter market than the CMP laptop," Miller says.
Analyst Tom Manter with the Aberdeen community says IBM will must exhibit compelling value to compete effectively within the Datacenter market with the x430.
"today you've got a Unisys CMP device, which is being sold by means of the entire main suppliers with the exception of IBM. they absorb got a casual to set up a de facto regular. Then IBM goes to absorb not much a problem when Whistler server comes out one year later to then arrive into the marketplace with a distinct architecture," Manter says.
but Manter is in no pass writing IBM off: "They've stunned us in the past, too."
Unisys faces challenges of its personal in conserving its CMP coalition collectively. enterprise executives are already merchandising the next technology of the mobile MultiProcessing architecture to maintain companions committed. but groups with their own R&D operations dote Compaq and Hewlett-Packard may additionally conclude to advance their own architectures. --
Scott Bekker is editor in chief of Redmond Channel confederate journal.
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Windows 7 comes as a significant performance improvement over its predecessor, Windows Vista. But if you want to bag the very best performance possible, you should fabricate a few system tweaks to eradicate resource-hogging programs and features. In this guide, I'll note you a few trustworthy ways to boost your PC's performance without upgrading your hardware.
First, one warning: A quick Internet search will lead you to treasure troves of advice for making the most of your OS, but beware--many of those suggestions are fool's gold, myths inherited from Vista and XP optimization guides that could actually finish more harm than trustworthy for your Windows 7 system's performance.
The tweaks and suggestions I proffer here won't transform your rusty outmoded junker into a screaming new Porsche, but they will relieve you squeeze some extra accelerate and space out of your aboriginal Windows 7 installation. If you intend to achieve additional modifications to Windows 7 beyond the options I recount here, be confident to elope a quick search for "Windows 7 performance myths." Don't be fooled by the more outlandish tweaking claims and tutorials you'll find on the Internet. Investigate the changes you intend to fabricate to your system before you finish anything, or you might find yourself in an undesirable (or even irreparable) situation.Speed Up a Fresh Windows 7 Upgrade
When you attain the first, fresh desktop after completing a successful Windows 7 installation, you might be stunned to find your components in impeccable working order. For the most piece Windows 7 is quite trustworthy about setting up drivers for networking, video, input devices, and other elements--good, that is, but not great.
To maximize your PC's performance, first hunt down and install Windows 7 drivers for total of the censorious components attached to your system. Motherboard drivers are the most significant consideration, especially if your system's video and sound are integrated onto the system board. If those components aren't integrated in your PC, add drivers for your video card and sound card to the list, followed by your input devices and any additional parts you've attached to your system in some capacity (including, but not limited to, a Wi-Fi card, any PCI-based devices, and printers). If you're not confident what components you have, grab the free program DriverMax and exhaust it to scan your system for components and for potential driver updates.
Windows 7's compatibility functionality gives you the opening to elope legacy programs that don't play well with the new OS. It's also a trustworthy pass to fool Windows 7 into using Vista drivers.Can't find Windows 7 drivers for a product? Try using Windows Vista drivers instead. If you elope into trouble, try right-clicking on the executable file and left-clicking Troubleshoot Compatibility. elope through the wizard and select the option that refers to the program's running fine in an earlier version of Windows but not in Windows 7. Select Windows Vista as the subsequent operating system, click Next through the offered prompts, and then elope the installation executable again.
Finally, though it might sound odd, don't exhaust the Windows Updater to install drivers for your machine--Microsoft is notorious for releasing outmoded and/or incompatible drivers through this service.Optimize Your Storage
If you installed Windows 7 as an upgrade from Windows Vista, you'll find a folder labeled C:\Windows.old. This folder, as you might expect, holds the plenary contents of your outmoded Windows Vista system. It's huge, and it's a dissipate of space. Scroll through the folders for any files that you want to rescue in your new Windows 7 OS, and then delete the entire folder from your drive. Space saved.
Although allowing the system to manage the size of your paging file is the best option, for maximum performance you should fling this file to a hard drive that doesn't involve your OS.If your PC has multiple hard drives, you can boost performance by poignant the location of the system's paging file from the drive containing the C:\ partition to a divide hard drive. To finish that, open Control Panel and pick System. From there, click Advanced System Settings. Select the Advanced tab, and then click the Settings button under the Performance category. On the new window that pops up, pick the Advanced tab. Finally, click Change. Uncheck the box labeled Automatically manage paging file size for total drives. Select C: from the Drive box and switch it to the No paging file option. Next, select a different hard drive and pick System managed size. Click OK and restart your computer.Pushing Your Performance
Editing the Registry can be a perilous process. fabricate confident that you're editing only the menu retard values, else you might find yourself in a stack of trouble.To create a faster Windows 7 experience, start by modifying the amount of time that mouse-over boxes and clicked menus win to appear. Click on the Windows Start button and type regedit into the 'Search programs and files' box. Welcome to the Windows 7 Registry--don't finger or modify anything without trustworthy reason. Left-click on the expandable arrow next to HKEY_CURRENT_USER. Expand the Control Panel folder, and then click directly on Desktop in the hierarchy. In the privilege pane, peer for and double-click MenuShowDelay. Change the value from 400 to any lesser number that's 1 or greater; this figure represents the milliseconds of retard between your click and a menu's display. Restart the computer to apply the changes immediately, or continue to the next tweak.
See the folder labeled Mouse (below Desktop)? Click that, and then search for and select the MouseHoverTime Registry key. Just as before, change this value to any lesser number that's 1 or greater. proximate the Registry Editor, restart the computer, and you'll absorb faster mouseovers.
If you're willing to sacrifice the pretty looks of Windows 7, you can ameliorate your system's performance by disabling some of its fancier eye candy. Either nuke them all, or pick some according to your personal tolerance.If you're willing to sacrifice looks for speed, you can modify the visual settings of the Windows 7 interface to emphasize performance over presentation. ebb back to the System section of Control Panel and click on Advanced System Settings again. On the System Properties window that appears, pick the Advanced tab and then click on the Settings box underneath the Performance category. The Performance Options window will pop up. There, you'll see a list of checked boxes that correspond to total of the window dressing in the operating system.
If you don't wit transforming your OS into a clone of Windows 2000, click the button that tells Windows to adjust its visual settings for best performance. It's a harsh step to take, though--if you'd prefer a piecemeal approach, uncheck only the boxes that relate to Windows Aero (such as Aero peek and transparent glass). You'll retain a semblance of a pretty desktop while quiet improving performance a teeny bit.
January 24, 2000Web posted at: 12:11 p.m. EST (1711 GMT)
by John Bass and James Robinson, Network World Test Alliance
(IDG) -- It total boils down to what you're looking for in a network operating system (NOS).
Do you want it scrawny and resilient so you can install it any pass you please? Perhaps administration bells and management whistles are what you need so you can deploy several hundred servers. Or maybe you want an operating system that's robust enough so that you sleep dote a baby at night?
The trustworthy advice is that there is a NOS waiting just for you. After the rash of recent software revisions, they took an in-depth peer at four of the major NOSes on the market: Microsoft's Windows 2000 Advanced Server, Novell's NetWare 5.1, Red Hat Software's Linux 6.1 and The Santa Cruz Operation's (SCO) UnixWare 7.1.1. Sun declined their invitation to submit Solaris because the company says it's working on a new version.
Microsoft's Windows 2000 edges out NetWare for the Network World Blue Ribbon Award. Windows 2000 tops the sphere with its management interface, server monitoring tools, storage management facilities and security measures.
However, if it's performance you're after, no product came proximate to Novell's NetWare 5.1's numbers in their exhaustive file service and network benchmarks. With its lightning-fast engine and Novell's directory-based administration, NetWare offers a noteworthy ground for an enterprise network.
We create the latest release of Red Hat's commercial Linux bundle led the list for flexibility because its modular design lets you pare down the operating system to suit the job at hand. Additionally, you can create scripts out of multiple Linux commands to automate tasks across a distributed environment.
While SCO's UnixWare seemed to lag behind the pack in terms of file service performance and NOS-based administration features, its scalability features fabricate it a tenacious candidate for running enterprise applications.The numbers are in
Regardless of the job you saddle your server with, it has to achieve well at reading and writing files and sending them across the network. They designed two benchmark suites to measure each NOS in these two categories. To reflect the existent world, their benchmark tests account a wide sweep of server conditions.
NetWare was the hands-down leader in their performance benchmarking, taking first location in two-thirds of the file tests and earning top billing in the network tests.
Red Hat Linux followed NetWare in file performance overall and even outpaced the leader in file tests where the read/write loads were small. However, Linux did not achieve well handling big loads - those tests in which there were more than 100 users. Under heavier user loads, Linux had a trend to discontinue servicing file requests for a short term and then start up again.
Windows 2000 demonstrated impoverished write performance across total their file tests. In fact, they create that its write performance was about 10% of its read performance. After consulting with both Microsoft and Client/Server Solutions, the author of the Benchmark Factory testing utensil they used, they determined that the impoverished write performance could be due to two factors. One, which they were unable to verify, might be a possible performance problem with the SCSI driver for the hardware they used.
More significant, though, was an issue with their test software. Benchmark Factory sends a write-through flag in each of its write requests that is supposed to intuition the server to update cache, if appropriate, and then coerce a write to disk. When the write to disk occurs, the write convoke is released and the next request can be sent.
At first glance, it appeared as if Windows 2000 was the only operating system to homage this write-through flag because its write performance was so poor. Therefore, they ran a second round of write tests with the flag turned off.
With the flag turned off, NetWare's write performance increased by 30%. This test proved that Novell does indeed homage the write-through flag and will write to disk for each write request when that flag is set. But when the write-through flag is disabled, NetWare writes to disk in a more efficient manner by batching together contiguous blocks of data on the cache and writing total those blocks to disk at once.
Likewise, Red Hat Linux's performance increased by 10% to 15% when the write-through flag was turned off. When they examined the Samba file system code, they create that it too honors the write-through flag. The Samba code then finds an optimum time during the read/write sequence to write to disk.
This second round of file testing proves that Windows 2000 is relative on its file system cache to optimize write performance. The results of the testing with the write-through flag off were much higher - as much as 20 times faster. However, Windows 2000 quiet fell behind both NetWare and RedHat Linux in the file write tests when the write-through flag was off.
SCO honors the write-through flag by default, since its journaling file system is constructed to maximize data integrity by writing to disk for total write requests. The results in the write tests with the write-through flag on were very similar to the test results with the write-through flag turned off.
For the network benchmark, they developed two tests. Their long TCP transaction test measured the bandwidth each server can sustain, while their short TCP transaction test measured each server's aptitude to wield big numbers of network sessions with minute file transactions.
Despite a impoverished showing in the file benchmark, Windows 2000 came out on top in the long TCP transaction test. Windows 2000 is the only NOS with a multithreaded IP stack, which allows it to wield network requests with multiple processors. Novell and Red Hat snort they are working on integrating this capability into their products.
NetWare and Linux also registered tenacious long TCP test results, coming in second and third, respectively.
In the short TCP transaction test, NetWare came out the transparent winner. Linux earned second location in spite of its lack of advocate for abortive TCP closes, a mode by which an operating system can quickly cleave down TCP connections. Their testing software, Ganymede Software's Chariot, uses abortive closes in its TCP tests.Moving into management
As enterprise networks grow to require more servers and advocate more terminate users, NOS management tools become crucial elements in keeping networks under control. They looked at the management interfaces of each product and drilled down into how each handled server monitoring, client administration, file and print management, and storage management.
We create Windows 2000 and NetWare provide equally useful management interfaces.
Microsoft Management Console (MMC) is the glue that holds most of the Windows 2000 management functionality together. This configurable graphical user interface (GUI) lets you snap in Microsoft and third-party applets that customize its functionality. It's a two-paned interface, much dote Windows Explorer, with a nested list on the left and selection details on the right. The console is effortless to exhaust and lets you configure many local server elements, including users, disks, and system settings such as time and date.
MMC also lets you implement management policies for groups of users and computers using energetic Directory, Microsoft's new directory service. From the energetic Directory management utensil inside MMC, you can configure users and change policies.
The network configuration tools are create in a divide application that opens when you click on the Network Places icon on the desktop. Each network interface is listed inside this window. You can add and change protocols and configure, enable and disable interfaces from here without rebooting.
NetWare offers several interfaces for server configuration and management. These tools proffer duplicate functionality, but each is useful depending from where you are trying to manage the system. The System Console offers a number of tools for server configuration. One of the most useful is NWConfig, which lets you change start-up files, install system modules and configure the storage subsystem. NWConfig is simple, intuitive and predictable.
ConsoleOne is a Java-based interface with a few graphical tools for managing and configuring NetWare. Third-party administration tools can plug into ConsoleOne and let you manage multiple services. They assume ConsoleOne's interface is a bit unsophisticated, but it works well enough for those who must absorb a Windows- based manager.
Novell also offers a Web-accessible management application called NetWare Management Portal, which lets you manage NetWare servers remotely from a browser, and NWAdmin32, a relatively simple client-side utensil for administering Novell Directory Services (NDS) from a Windows 95, 98 or NT client.
Red Hat's overall systems management interface is called LinuxConf and can elope as a graphical or text-based application. The graphical interface, which resembles that of MMC, works well but has some layout issues that fabricate it difficult to exhaust at times. For example, when you elope a setup application that takes up a lot of the screen, the system resizes the application larger than the desktop size.
Still, you can manage pretty much anything on the server from LinuxConf, and you can exhaust it locally or remotely over the Web or via telnet. You can configure system parameters such as network addresses; file system settings and user accounts; and set up add-on services such as Samba - which is a service that lets Windows clients bag to files residing on a Linux server - and FTP and Web servers. You can apply changes without rebooting the system.
Overall, Red Hat's interface is useful and the underlying tools are powerful and flexible, but LinuxConf lacks the polish of the other vendors' tools.
SCO Admin is a GUI-based front terminate for about 50 SCO UnixWare configuration and management tools in one window. When you click on a tool, it brings up the application to manage that detail in a divide window.
Some of SCO's tools are GUI-based while others are text-based. The server required a reboot to apply many of the changes. On the plus side, you can manage multiple UnixWare servers from SCOAdmin.
SCO also offers a useful Java-based remote administration utensil called WebTop that works from your browser.An eye on the servers and clients
One significant administration job is monitoring the server itself. Microsoft leads the pack in how well you can withhold an eye on your server's internals.
The Windows 2000 System Monitor lets you view a real-time, running graph of system operations, such as CPU and network utilization, and recollection and disk usage. They used these tools extensively to determine the sequel of their benchmark tests on the operating system. Another utensil called Network Monitor has a basic network packet analyzer that lets you see the types of packets coming into the server. Together, these Microsoft utilities can be used to compare performance and capacity across multiple Windows 2000 servers.
NetWare's Monitor utility displays processor utilization, recollection usage and buffer utilization on a local server. If you know what to peer for, it can be a powerful utensil for diagnosing bottlenecks in the system. Learning the meaning of each of the monitored parameters is a bit of a challenge, though.
If you want to peer at performance statistics across multiple servers, you can tap into Novell's Web Management Portal.
Red Hat offers the touchstone Linux command-line tools for monitoring the server, such as iostat and vmstat. It has no graphical monitoring tools.
As with any Unix operating system, you can write scripts to automate these tools across Linux servers. However, these tools are typically cryptic and require a tall plane of proficiency to exhaust effectively. A suite of graphical monitoring tools would be a noteworthy addition to Red Hat's Linux distribution.
UnixWare also offers a number of monitoring tools. System Monitor is UnixWare's simple but limited GUI for monitoring processor and recollection utilization. The sar and rtpm command-line tools together list real-time system utilization of buffer, CPUs and disks. Together, these tools give you a trustworthy overall concept of the load on the server.Client administration
Along with managing the server, you must manage its users. It's no flabbergast that the two NOSes that ship with an integrated directory service topped the sphere in client administration tools.
We were able to configure user permissions via Microsoft's energetic Directory and the directory administration utensil in MMC. You can group users and computers into organizational units and apply policies to them.
You can manage Novell's NDS and NetWare clients with ConsoleOne, NWAdmin or NetWare Management Portal. Each can create users, manage file space, and set permissions and rights. Additionally, NetWare ships with a five-user version of Novell's ZENworks tool, which offers desktop administration services such as hardware and software inventory, software distribution and remote control services.
Red Hat Linux doesn't proffer much in the pass of client administration features. You must control local users through Unix authorization configuration mechanisms.
UnixWare is similar to Red Hat Linux in terms of client administration, but SCO provides some Windows binaries on the server to remotely set file and directory permissions from a Windows client, as well as create and change users and their settings. SCO and Red Hat proffer advocate for the Unix-based Network Information Service (NIS). NIS is a store for network information dote logon names, passwords and home directories. This integration helps with client administration.Handling the staples: File and print
A NOS is nothing without the aptitude to partake file storage and printers. Novell and Microsoft collected top honors in these areas.
You can easily add and maintain printers in Windows 2000 using the print administration wizard, and you can add file shares using energetic Directory management tools. Windows 2000 also offers Distributed File Services, which let you combine files on more than one server into a solitary share.
Novell Distributed Print Services (NDPS) let you quickly incorporate printers into the network. When NDPS senses a new printer on the network, it defines a Printer Agent that runs on the printer and communicates with NDS. You then exhaust NDS to define the policies for the new printer.
You define NetWare file services by creating and then mounting a disk volume, which also manages volume policies.
Red Hat includes Linux's printtool utility for setting up server-connected and networks printers. You can also exhaust this GUI to create printcap entries to define printer access.
Linux has a set of command-line file system configuration tools for mounting and unmounting partitions. Samba ships with the product and provides some integration for Windows clients. You can configure Samba only through a cryptic configuration ASCII file - a staid drawback.
UnixWare provides a resilient GUI-based printer setup utensil called Printer SetUp Manager. For file and volume management, SCO offers a utensil called VisionFS for interoperability with Windows clients. They used VisionFS to allow their NT clients to access the UnixWare server. This service was effortless to configure and use.Storage management
Windows 2000 provides the best tools for storage management. Its graphical Manage Disks utensil for local disk configuration includes software RAID management; you can dynamically add disks to a volume set without having to reboot the system. Additionally, a signature is written to each of the disks in an array so that they can be moved to another 2000 server without having to configure the volume on the new server. The new server recognizes the drives as members of a RAID set and adds the volume to the file system dynamically.
NetWare's volume management tool, NWConfig, is effortless to use, but it can be a puny confusing to set up a RAID volume. Once they knew what they were doing, they had no problems formatting drives and creating a RAID volume. The utensil looks a puny primitive, but they give it tall marks for functionality and ease of use.
Red Hat Linux offers no graphical RAID configuration tools, but its command line tools made RAID configuration easy.
To configure disks on the UnixWare server, they used the Veritas Volume Manager graphical disk and volume administration utensil that ships with UnixWare. They had some problems initially getting the utensil to recognize the drives so they could be formatted. They managed to work around the disk configuration problem using an assortment of command line tools, after which Volume Manager worked well.Security
While they did not probe these NOSes extensively to expose any security weaknesses, they did peer at what they offered in security features.
Microsoft has made significant strides with Windows 2000 security. Windows 2000 supports Kerberos public key certificates as its primary authentication mechanism within a domain, and allows additional authentication with smart cards. Microsoft provides a Security Configuration utensil that integrates with MMC for effortless management of security objects in the energetic Directory Services system, and a new Encrypting File System that lets you designate volumes on which files are automatically stored using encryption.
Novell added advocate for a public-key infrastructure into NetWare 5 using a public certificate schema developed by RSA Security that lets you tap into NDS to generate certificates.
Red Hat offers a basic Kerberos authentication mechanism. With Red Hat Linux, as with most Unix operating systems, the network services can be individually controlled to multiply security. Red Hat offers Pluggable Authentication Modules as a pass of allowing you to set authentication policies across programs running on the server. Passwords are protected with a shadow file. Red Hat also bundles firewall and VPN services.
UnixWare has a set of security tools called Security Manager that lets you set up varying degrees of intrusion protection across your network services, from no restriction to turning total network services off. It's a trustworthy management time saver, though you could manually modify the services to achieve the very result.Stability and foible tolerance
The most feature-rich NOS is of puny value if it can't withhold a server up and running. Windows 2000 offers software RAID 0, 1 and 5 configurations to provide foible tolerance for onboard disk drives, and has a built-in network load-balancing feature that allows a group of servers to peer dote one server and partake the very network designation and IP address. The group decides which server will service each request. This not only distributes the network load across several servers, it also provides foible tolerance in case a server goes down. On a lesser scale, you can exhaust Microsoft's Failover Clustering to provide basic failover services between two servers.
As with NT 4.0, Windows 2000 provides recollection protection, which means that each process runs in its own segment.
There are also backup and restore capabilities bundled with Windows 2000.
Novell has an add-on product for NetWare called Novell Cluster Services that allows you to cluster as many as eight servers, total managed from one location using ConsoleOne, NetWare Management Portal or NWAdmin32. But Novell presently offers no clustering products to provide load balancing for applications or file services. NetWare has an elaborate recollection protection scheme to segregate the recollection used for the kernel and applications, and a Storage Management Services module to provide a highly resilient backup and restore facility. Backups can be all-inclusive, cover parts of a volume or store a differential snapshot.
Red Hat provides a load-balancing product called piranha with its Linux. This package provides TCP load balancing between servers in a cluster. There is no hard restrict to the number of servers you can configure in a cluster. Red Hat Linux also provides software RAID advocate through command line tools, has recollection protection capabilities and provides a rudimentary backup facility.
SCO provides an optional feature to cluster several servers in a load-balancing environment with Non-Stop Clustering for a tall plane of fault-tolerance. Currently, Non-Stop Clustering supports six servers in a cluster. UnixWare provides software RAID advocate that is managed using SCO's On-Line Data Manager feature. total the touchstone RAID levels are supported. Computer Associates' bundled ArcServeIT 6.6 provides backup and restore capabilities. UnixWare has recollection protection capabilities.Documentation
Because their testing was conducted before Windows 2000's common availability ship date, they were not able to evaluate its hard-copy documentation. The online documentation provided on a CD is extensive, useful and well-organized, although a Web interface would be much easier to exhaust if it gave more than a brace of sentences at a time for a particular relieve topic.
NetWare 5 comes with two manuals: a circumstantial manual for installing and configuring the NOS with trustworthy explanations of concepts and features along with an overview of how to configure them, and a minute spiral-bound booklet of quick start cards. Novell's online documentation is very helpful.
Red Hat Linux comes with three manuals - an installation guide, a getting started lead and a reference manual - total of which are effortless to follow.
Despite being the most difficult product to install, UnixWare offers the best documentation. It comes with two manuals: a system handbook and a getting started guide. The system handbook is a reference for conducting the installation of the operating system. It does a trustworthy job of reflecting this painful experience. The getting started lead is well-written and well-organized. It covers many of the tools needed to configure and maintain the operating system. SCO's online documentation looks nice and is effortless to follow.Wrapping up
The bottom line is that these NOSes proffer a wide sweep of characteristics and provide enterprise customers with a noteworthy deal of choice regarding how each can be used in any given corporate network.
If you want a good, common purpose NOS that can deliver enterprise-class services with total the bells and whistles imaginable, then Windows 2000 is the strongest contender. However, for tall performance, enterprise file and print services, their tests note that Novell leads the pack. If you're willing to pay a higher cost for scalability and reliability, SCO UnixWare would be a safe bet. But if you need an inexpensive alternative that will give you bare-bones network services with decent performance, Red Hat Linux can certainly felicitous the bill.
The choice is yours.
Bass is the technical director and Robinson is a senior technical staff member at Centennial Networking Labs (CNL) at North Carolina state University in Raleigh. CNL focuses on performance, capacity and features of networking and server technologies and equipment.RELATED STORIES:
Debate will focus on Linux vs. LinuxJanuary 20, 2000Some Windows 2000 PCs will jump the gunJanuary 19, 2000IBM throws Linux lovefestJanuary 19, 2000Corel Linux will elope Windows appsJanuary 10, 2000Novell's eDirectory spans platformsNovember 16, 1999New NetWare embraces Web appsNovember 2, 1999Microsoft sets a date for Windows 2000October 28, 1999RELATED IDG.net STORIES:
Fusion's Forum: Square off with the vendors over who has the best NOS(Network World Fusion)How they did it: Details of the testing(Network World Fusion)Find out the tuning parameters(Network World Fusion)Download the Config files(Network World Fusion)The Shootout results(Network World Fusion)Fusion's NOS resources(Network World Fusion)With Windows 2000, NT grows up(Network World Fusion)Fireworks expected at NOS showdown(Network World Fusion)
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Novell, Inc.Microsoft Corp.The Santa Cruz Operation, Inc. (SCO)Red Hat, Inc.
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Windows Server 2008 R2 provides several new benefits that relieve organizations better administer their networking environment. These new features provide better file and data management, better performance monitoring and reliability tracking tools to identify system problems and proactively address issues, a new image deployment tool, and a all new set of Group Policy Objects that relieve administrators better manage users, computers, and other energetic Directory objects.Improvements in the Group Policy Management
Windows Server 2008 R2 introduces over 1,000 new Group Policy Objects specific to Windows Server 2008 R2 and Windows 7, along with several new components that expand on the core capabilities of Group Policy management that absorb been piece of Windows 2000/2003 energetic Directory. The basic functions of Group Policy haven't changed, so the Group Policy protest Editor (gpedit) and the Group Policy Management Console (GPMC) are the same, but with more options and settings available.
As mentioned earlier, the Group Policy Management Console can either be elope as a divide MMC tool, or it can be launched off the Features arm of the Server Manager console tree, as shown in figure 1.7. Group policies in Windows Server 2008 R2 provide more granular management of local machines, specifically having policies that thrust down to a client that are different for administrator and non-administrator users.
Additionally, applications can now query or register with a network location awareness service within Group Policy management, which provides the identity where a user or computer protest resides. As an example, a policy can be written that allows users to absorb access to applications and files if they are on a local network segment, but blocks users from accessing the very content when they are on a remote segment for security and privacy reasons. This addition to group policies adds a third dimension to policies so that now administrators can not only define who and what someone has access to, but also restrict their access based on where they are.
Group policies are covered in detail in Chapter 27, "Group Policy Management for Network Clients," as well as in Chapter 19, "Windows Server 2008 R2 Group Policies and Policy Management."Introducing Performance and Reliability Monitoring Tools
Windows Server 2008 R2 introduces new and revised performance and reliability monitoring tools intended to relieve network administrators better understand the health and operations of Windows Server 2008 R2 systems. Just dote with the Group Policy Management Console, the new Reliability and Performance Monitor shows up as a feature in the Server Manager console. By clicking on the Performance Diagnostic Console, the utensil shows up in the privilege pane, as shown in figure 1.8.
Figure 1.8 Windows Reliability and Performance Monitor.
The new utensil keeps track of system activity and resource usage and displays key counters and system status on screen. The Reliability Monitor diagnoses potential causes of server instability by noting the terminal time a server was rebooted, what patches or updates were applied, and chronologically when services absorb failed on the system so that system faults can potentially be traced back to specific system updates or changes that occurred prior to the problem.
By combining what used to be three to four tools into a solitary console, administrators are able to peer at system performance, operational tasks, and historical event information in their analysis of a server problem or system operations instability. You can find more details on performance and reliability monitoring in Chapter 34.Leveraging File Server Resource Manager
File Server Resource Manager (FSRM) was a feature pack add-in to Windows 2003 R2 and has been significantly improved with the release of Windows Server 2008 R2. FSRM is a quota management system of files on network shares across an enterprise. Rather than allowing employees to copy the entire content of their laptop to a network, or potentially back up their MP3 audio files onto a network, FSRM provides the aptitude to not only restrict the amount of content stored on network shares, but also to set quotas (or restrict storage altogether) on inevitable file types. So, a user could be limited to store 200GB of files on a network share, but of that limit, only 2GB can be allocated to MP3 files.
FSRM, shown in figure 1.9, in Windows Server 2008 R2 has been improved to allow the nesting of quotas to ensure the most restrictive policy is applied. Quotas can also transcend subfolders, so as new folders are created, or as policies are applied at different levels in a folder hierarchy, the policies quiet apply, and the rules are combined to provide varying levels of quota allocation to user data. Additionally, quotas are now based on actual storage, so if a file is compressed when stored, the user will be able to store more files within their allocated quota.
File Server Resource Manager is covered in detail in Chapter 28.Leveraging the Best drill Analyzer
Included in Windows Server 2008 R2 is a built-in Best drill Analyzer. create in the Server Manager console tool, the Best drill Analyzer runs a train of tests against energetic Directory roles, such as the Hyper-V role, the DNS role, and the Remote Desktop Services role, to assess whether the role has been installed and configured properly and to compare the installation with tested best practices.
Some of the results from the Best drill Analyzer could divulge an administrator they need to add more recollection to a server, to fling a role to a divide server to ameliorate role optimization, or to shift a database to a different drive on the server to divide disk performance demands on the system. More details on the Best drill Analyzer are covered in Chapter 20.Introduction of Windows Deployment Services
Windows Server 2008 introduced a new utensil called Windows Deployment Services (WDS), which was effectively an updated version of the Remote Installation Services (RIS) that has been available for the past several years. Unlike RIS, which was focused on primarily scripted installations and client images, WDS in Windows Server 2008 R2 can divide images of Windows 7 clients or Windows Server 2008 R2 servers in a significantly more resilient and modifiable deployment process.
Like with RIS, Windows Deployment Services allows a client system to initiate a Preboot Execution Environment (PXE), effectively "booting" to the WDS server to see a list of images that can be deployed on the system. Alternately, an organization can create a Windows PE boot disc and absorb an image initiated from a CD or DVD.
With Windows Server 2008 R2 and Windows 7, the image can be created in Windows Imaging (WIM) format, which allows for the injection of patches, updates, or even new code to a WIM file without even booting the image file. This provides the organization with more than just static images that bag pushed out dote in RIS, but rather a utensil that provides ongoing and manageable updates to image files.
WDS also supports the imaging of Windows 2003 servers and Windows XP client systems in the very manner that RIS did in terms of pushing out images or using an unattend script file to send images to systems.
Windows Deployment Services is covered in detail in Chapter 26, "Windows Server 2008 R2 Administration Tools for Desktops."
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