> I thought that NFS's underlying FS do not have any effect on
> NFS performances, and that the client is not aware of the
> ("local") remote FS. Am I wrong ? Does anybody have an idea to
> fix the problem ?
Why do you think that something on the client is 'aware' of the remote
fs?
My guess is that you need to redo your test using a TCP mount for the
Linux machine (that's what your Solaris client is doing). My guess is
that you are hitting a UDP transport reliability problem in the
DirectIO case...
> Is it a bug in NFS's implementation of linux kernel ?
No.
Cheers,
Trond
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