Bad performance on Solaris 10 exported filesystem

From: Lane, Jim (Jim.Lane@CIBC.com)
Date: Thu Nov 23 2006 - 11:24:38 EST


Hi, All

I have a group of 4 newly installed (not by me) Sun Solaris 10 servers.
One of them has /export/home on a local drive and the other 3 servers
NFS mount it from there. The 3 servers seem to perform as expected more
or less. However the server that has /export/home exported shows very
slow performance when writing to or deleting files within /export/home.
I first noticed this when a "make distclean" operation in my home
directory seemed to hang. I eventually determined that is was the rm's
that were the problem. When I did an "rm -Rf *" operation in a directory
tree with about 700 files it was deleting files at no faster than 5 per
minute!

I wonder if anybody has noticed anything like this before? My Solaris is
a bit rusty so I'm not too sure where to start looking. Let me know if
there's anything I could post to the list that would help diagnose this.

TIA

Jim Lane
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