[SunRescue] Info on Sun Multipack and disk arrays in general (long)

[Brian McCloskey]

>
>>RAID 5: Striping with parity. As I mentioned in RAID one, if a
>>single drive
>
>incomplete - RAID 5 is striping with rotated parity, i.e. the
>parity blocks are distributed across all the drives in the array,

this is not the way parity works. there is no dedicated parity bit. when 
parity math is used, any bit can be missing and reconstructed by applying 
the same mathematical function; thus all bits may or may not be parity and 
there is not any "rotation" per se.

-wu
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