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Re: RAID vs Multiple Drives


Adrian Hall wrote:
> RAID is a method of spreading your data across disks.It can vary
> from simply treating all of your disks as one large disk (and
> providing no redundancy for your data) to what's known as striping
> where your data is written to multiple disks in a way that means if
> one of the disks fails, the system can still reconstruct your data
> from the remaining disks.

No, striping only doesn't provide redundany. Redundancy is achieved by
additionally storing parity data, which is done in e.g. RAID level 5.

Telly: The Wikipedia article about RAID is pretty good and
comprehensible I think.


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