drew.kirkpatrick at gmail
Sep 14, 2004, 9:15 AM
Post #3 of 3
Thanks for the tips :)
Yeah, we've started using XFS on our larger arrays (anything over a
terabyte), since all of our old stuff was SGI, nice to keep using the
same file systems.
On Tue, 14 Sep 2004 08:43:57 -0700, Bob Sanders <rsanders [at] engr> wrote:
> > I can't seem to find this anywhere. I'm lookin got build a large file
> > server (24 discs), with two jbods (scsi). I was considering software
> > raid, but I can't seem to find out what the max number of discs a 2.4
> > or 2.6 kernel would take. Anyone know of the top of their heads? I've
> > been dissappointed with the various hardware based raid systems I've
> > tried, and a nice fast gentoo install shouldn't have any probs with
> > speed. This machine would be dedicated to file serving, so I wouldn't
> > be stealing cpu cycles from other processes.....
> Well, I've configed around 90 drives on a couple of Altix systems
> under Red Hat 2.4.xx and SuSE 2.6.x, dual-ported without issue.
> (A few out of the 100 drives were flakely.)
> But I've limited the total number of drives to what made sense
> for a RAID5 setup with spares. Striped them down the jbods
> (rather than the traditional across) as it's faster for sustained
> reads and sustained writes of large files. Oh, XFS filesystem.
> These weren't SCSI, rather fibre channel jbods/interfaces.
> And they were rather small - 9GB drives, so it wasn't quite
> a full terabyte.
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