[Gllug] Large raid 5/5+0 setup

[Nix]

On 19 Jun 2009, James Courtier-Dutton verbalised:
> RAID 5 slows down systems that make small read/write transactions
> because the RAID has to read the entire stripe for each transaction.

Is this really true these days? Modern disks can read (or write) your
average RAID stripe (64K -- 4Mb) in essentially no time: i.e., it's
vastly dominated by the seek time, and the drive electronics actually
read multimegabyte hunks no matter what you ask for, in any case.
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