Archived from groups: microsoft.public.windowsxp.hardware (
More info?)
Thanks for catching my mistake. Typing off the top of my head again.
Random should have been Redundant.
----
Nathan McNulty
BAR wrote:
> Short 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 without fault tolerance such that 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.
> 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.
>
> "Nathan McNulty" wrote:
>
>
>>If you have to ask, you shouldn't be using it.
>>
>>RAID is a Random Array of Independent Disks.
>>
>>Here is a good source of info about it:
>>http://www.acnc.com/raid.html
>>
>>This requires more than one hard drive and you should only setup your
>>computer with RAID if you understand what it is, how to set it up, and
>>why you need it.
>>
>>----
>>Nathan McNulty
>>
>>
>>jah711 wrote:
>>
>>>What exactly is the RAID Controller and what is the
>>>purpose of Raid?
>>>Also where is a good place to get the drivers?
>>>My specs:
>>>Asrock P4 2.0ghz model P4VT8
>>>512Ram
>>>Win XP Pro
>>>e-Geforce FX 5200 nvidia 128MB Video card
>>>Thanks.
>>>.
>>>
>>>
>>
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