kernel hanging problem - nfs?...

nathan r. hruby nathan at drama.uga.edu
Wed Jan 8 21:17:00 CST 2003


On Wed, 8 Jan 2003, Wesley T. Perdue wrote:

> Jason,
> 
> Thanks again for your help.  I moved all clients to 1024-byte r/w
> blocks, and the whole-server hanging seems to have been resolved.
> 
> Individual processes are now hanging.  I increased the number of nfsds
> from 8 to 16; that seems to have helped, but I'll need to wait 'til
> tomorrow's heavy load for the final verdict.
> 
> I noticed in the current NFS-HOWTO:
> 
> http://nfs.sourceforge.net/nfs-howto/performance.html#MEMLIMITS
> 
> that they recommend increasing the socket read/write buffer size when
> increasing the number of nfs daemons.  Did you do that on your
> server(s)?
> 

that's so friggin' odd.  I've been using the 2.4.19 kernel for a while as 
a NFS server with wr=8192 and it's just been super happy.  jason, are you 
using the Redhat kernels or vanilla kernels?

-n
-- 
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nathan hruby <nathan at drama.uga.edu>
computer services specialist
uga drama
http://www.drama.uga.edu/support/
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