On Wed, 31 May 2006, Bill Davidsen wrote:
Where I was working most recently some systems were using RAID5E (RAID5 with
both the parity and hot spare distributed). This seems to be highly desirable
for small arrays, where spreading head motion over one more drive will
improve performance, and in all cases where a rebuild to the hot spare will
avoid a bottleneck on a single drive.
Is there any plan to add this capability?
What advantage does that have over raid6? You use exactly as many drives
(n+2), with the disadvantage of having to do a rebuild without parity when
a drive fails and a raid failure at a double disk failure.
/Mattias Wadenstein
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