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Re: Problem identified: WAPL/RAIDframe performance problems
On Wed, Nov 28, 2012 at 10:14:58PM +0100, J. Hannken-Illjes wrote:
> On Nov 28, 2012, at 9:20 PM, Brian Buhrow <buhrow%nfbcal.org@localhost> wrote:
> > Hello. If running 5.1 or 5.2 is acceptable for you, you could run
> > ffs+softdep since it has all the namei fixes in it.
> I suppose running fsck on a 6 TByte file system will take hours and
> softdep needs this after a crash.
Well, the journal doesn't always avoids the fsck, it depends on the king
of the crash (if it's a panic in filesystem code I know I want to run
fsck anyway :)
Also, the fsck time depends a lot of the filesystems parameters.
A 9Tb filesystem formatted -O2 -b 32k -f4k -i1000000 can be checked
in less than one hour.
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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