Slow performance writing to NetApp filer
jlb17 at duke.edu
Mon Nov 19 21:56:37 UTC 2007
On Mon, 19 Nov 2007 at 3:30pm, Joshua Baker-LePain wrote
> I just submitted <https://bugzilla.redhat.com/show_bug.cgi?id=391021>
> regarding an odd issue we're having. Fedora (both 7 and 8) have horribly
> slow performance when writing to our NetApp FAS3020 filer. I've tested on 2
> sets of hardware (i386 and x86_64, with tg3 and e1000 NICs). No matter what
> I try, it won't go faster than ~5MB/s. The same hardware running CentOS-5
> gets ~50MB/s. Performance is just fine pointing the Fedora boxes at a
> Panasas filer.
> Has anybody else run into this? It seems a rather odd bug to me.
In response to Warren's email (which I saw in the list archives as I
forgot to mention that I'm subscribed to the digest only) all testing was
done using NFSv3 only. I tried without any mount options, and also with
explicit 32K block sizes.
QB3 Shared Cluster Sysadmin
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