[CentOS] Calling All FS Fanatics
cap at nsc.liu.se
Wed Oct 4 12:39:22 UTC 2006
On Tuesday 03 October 2006 22:36, Joshua Baker-LePain wrote:
> On Tue, 3 Oct 2006 at 3:31pm, Steve Bergman wrote
> > On Tue, 2006-10-03 at 22:13 +0200, Morten Torstensen wrote:
> >> Bottom line is that I agree with Johnny... if you positively don't
> >> *need* another filesystem, use ext3.
> > Plus, I have a notion that the "interaction between ext3 and 3ware
> > raid5" referenced in the previous episode, might just have something to
> > do with ext3's ordered data writes, which can be turned off.
> Oh, I tested ext3 vs. 3ware RAID5 in *multitudes* of configurations -- all
> 3 different journaling configs, external journals, various size journals,
> etc. Nothing helped. There's just some bad juju there. On the same
> hardware, XFS and even ext2 pulled far better than numbers than ext3.
> Put the 3ware in RAID10 (or use md), though, and ext3 worked just fine
> with it.
> Trust me, it wasn't for lack of trying.
Like Joshua I've tried many different configs, different kernels, different
journal modes, etc... 3ware + raid5 + ext3 just isn't very fast.
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