[GE users] NFS Cache coherency in Grid

fansn fansn at hotmail.com
Wed Nov 11 16:16:24 GMT 2009


Hi All,

Does anyone have good solution to resolve the NFS Cache coherency problem?
For example I submit a job on host A and the job finishes on host B and a
result file is created in a NFS folder. When host A accesses the result file
immediately after the job finishes, it will be empty unless the programme
waits a few seconds.

I've tried actimeo=0 as a mount option (to disable file attribute caching)
for both A and B, and it resolved the problem but of course it slowed down
the NFS. 

I'm using NFSv3. Thanks in advance!

Yours sincerely,

Sinong Fan

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