On Thu, 15 Jun 2000, David Murphy wrote:
> > but in RAID5 you write different data to each disk...
>> You have an extra column's worth of data to write - the parity info.
for which you have an extra disk. so forget that argument.
> That's 50% more data for a 3-column RAID5 than for a mirror.
>
no, the 3disk RAID5 has double the read throughput of a 2 disk RAID1.
--paulj
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