| To: | Linux fs XFS <xfs@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: swidth in RAID |
| From: | pg@xxxxxxxxxxxxxxxxxx (Peter Grandi) |
| Date: | Sun, 30 Jun 2013 20:08:35 +0100 |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <557F888F-34EA-4669-B861-C0B684DAD13D@xxxxxxxxx> |
| References: | <557F888F-34EA-4669-B861-C0B684DAD13D@xxxxxxxxx> |
> I understand swidth should = #data disks. And the docs say > for RAID 6 of 8 disks, that means 6. [ ... ] 8 disks/spindles > working for you and a bit of parity on each. So shouldn't > swidth equal disks in raid when its concerning distributed > parity raid? The main goal is trying to the reduce the probability of read-modify-write. |
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