| To: | laurent+xfs@xxxxxxxxxxxxx |
|---|---|
| Subject: | Re: able to mount a fs, unable to repair it |
| From: | Emmanuel Florac <eflorac@xxxxxxxxxxxxxx> |
| Date: | Thu, 23 Dec 2010 22:44:45 +0100 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <87zkrws2pa.fsf@xxxxxxxxxxxxxxxxxx> |
| Organization: | Intellique |
| References: | <87r5d9uuez.fsf@xxxxxxxxxxxxxxxxxx> <20101223183531.19464601@xxxxxxxxxxxxxx> <87zkrws2pa.fsf@xxxxxxxxxxxxxxxxxx> |
Le Thu, 23 Dec 2010 20:34:41 +0100 vous écriviez:
> > My advice : software RAID stinks under high CPU load/ high IO. Use
> > hardware RAID whenever possible because it provides more predictable
> > performance and remove many weird software interactions from the
> > picture.
>
> The 3w9550sx doesn't raid6, but I admit I've been thinking of using
> its raid5 instead of the slow soft raid6.
Ah that's a valid reason :) RAID-5 is reasonable with disks under 1TB
and arrays up to 6 TB. Further it's a bet against the law of physics :)
However, a reliable RAID-5 is probably safer than an experimental
RAID-6 overall :)
--
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Emmanuel Florac | Direction technique
| Intellique
| <eflorac@xxxxxxxxxxxxxx>
| +33 1 78 94 84 02
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