NFS Performance (was Re: [Beowulf] GPFS on Linux (x86))
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Chris Samuel csamuel at vpac.orgFri Sep 15 07:05:53 PDT 2006
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On Friday 15 September 2006 1:05 am, Brent Franks wrote: > As stated, our FS infrasdtructure leaves much to be desired. The > current setup involving NFS servers (Dell PE 2850 with local 1TB local > storage 10K scsi disks) have not performed well. We are constantly IO > waiting. Wild guess - NFS servers are running RHEL and using ext3 ? We used to have that problem with the 2 NFS servers for our 90 node cluster till we dumped RHEL, switched to Fedora and XFS and all our horrible NFS problems went away. Now it just works - and they are supporting another large-ish cluster (46 4xPPC64 nodes). cheers, Chris -- Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager Victorian Partnership for Advanced Computing http://www.vpac.org/ Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia
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