NFS4 Change Propagation Delay

RAPHEAD · Posted: Sun Dec 02, 2007 3:14 pm Post subject: NFS4 Change Propagation Delay

Hi,

I run a website with multiple web-servers which access the site centrally on an NFS4 server.
Works great except one problem:

Sometimes it takes a very long time until changes made to files
made directly on the file server get propagated on the web servers.

Is that normal behaviour with NFS?

Is there any way to tweak the behaviour?

thanks

erik258 · Posted: Sun Dec 02, 2007 7:37 pm Post subject:

Are they being mounted with 'no_wdelay'? I think it's the default. And 'sync'?
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RAPHEAD · Posted: Sun Dec 02, 2007 7:42 pm Post subject:

the servers mount like this in fstab

... nfs4 rsize=32768,wsize=32768,noatime,nodiratime 0 0

however, I think the settings you mention will only have an effect if you also write via NFS
or am I wrong