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many comparison questions :: VS

By icelemon ·
i feel a bit embarrased to ask these comparison quesitons, below are my many questions
what is the difference between....

[operating system] a windows storage server VS normal windows xp family/professional?

[hardware] rack-optimized servers VS tower servers VS scalable servers

[hard drive] SATA drives VS norma 3"5 hard drives

what is a RAID? thanks for taking your time answering me these ^^

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by BFilmFan In reply to many comparison questions ...

Windows Storage Server 2003 is a dedicated file and print server that has all functionality unrelated to file serving removed, increasing reliability and lowering the overhead on the device CPU. Built-in hardware redundancies are included in most solutions to provide a fully redundant architecture.

Windows XP is a desktop operating system. There is no comparison as it is not a server OS.

A rack optimized server is designed to fit in a rack.

A tower server is designed to fit small/midsized locations or locations with users spread out across a WAN. The best analogy here would be servers at an organization with 50-100 users and unable to take advantage of server consolidation due to a dearth of high-speed data lines.

Scalable servers are designed to be highly interconnected and provide massive redundancy for enterprise-wide, no failure allowed, applications.

An entire discussion of SATA vs ATA is here:


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by BFilmFan In reply to

RAID is hhort for Redundant Array of Independent (or Inexpensive) Disks, a category of disk drives that employ two or more drives in combination for fault tolerance and performance. RAID disk drives are used frequently on servers but aren't generally necessary for personal computers.
There are number of different RAID levels:

Level 0 -- Striped Disk Array without Fault Tolerance: Provides data striping (spreading out blocks of each file across multiple disk drives) but no redundancy. This improves performance but does not deliver fault tolerance. If one drive fails then all data in the array is lost.
Level 1 -- Mirroring and Duplexing: Provides disk mirroring. Level 1 provides twice the read transaction rate of single disks and the same write transaction rate as single disks.
Level 2 -- Error-Correcting Coding: Not a typical implementation and rarely used, Level 2 stripes data at the bit level rather than the block level.
Level 3 -- Bit-Interleaved Parity: Provides byte-level striping with a dedicated parity disk. Level 3, which cannot service simultaneous multiple requests, also is rarely used.
Level 4 -- Dedicated Parity Drive: A commonly used implementation of RAID, Level 4 provides block-level striping (like Level 0) with a parity disk. If a data disk fails, the parity data is used to create a replacement disk. A disadvantage to Level 4 is that the parity disk can create write bottlenecks.

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by BFilmFan In reply to

Level 5 -- Block Interleaved Distributed Parity: Provides data striping at the byte level and also stripe error correction information. This results in excellent performance and good fault tolerance. Level 5 is one of the most popular implementations of RAID.
Level 6 -- Independent Data Disks with Double Parity: Provides block-level striping with parity data distributed across all disks.
Level 0+1 ? A Mirror of Stripes: Not one of the original RAID levels, two RAID 0 stripes are created, and a RAID 1 mirror is created over them. Used for both replicating and sharing data among disks.
Level 10 ? A Stripe of Mirrors: Not one of the original RAID levels, multiple RAID 1 mirrors are created, and a RAID 0 stripe is created over these.
Level 7: A trademark of Storage Computer Corporation that adds caching to Levels 3 or 4.
RAID S: EMC Corporation's proprietary striped pairty RAID system used in its Symmetrix storage systems.

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by icelemon In reply to

Poster rated this answer.
this is way too informative, can't wait to close and give you all rewarding points, thanks!

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by icelemon In reply to many comparison questions ...

This question was closed by the author

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