I/O Errors with hard mounts

-----Original Message-----
From: David Konerding [mailto:[email protected]]=20
Sent: Wednesday, June 04, 2008 3:56 PM
To: [email protected]
Subject: Re: [NFS] I/O Errors with hard mounts =20
On Wed, Jun 4, 2008 at 3:45 PM, Ricardo Labiaga=20 <[email protected]> wrote:

Quoted 1 line

Does /var/log/messages show any errors around the same=20

time?=A0 In addition to the network trace and rpcdebug on the=20 client, take a look at "nfsstat -d" on the filer. Is the=20 filer dropping the connection?=A0 Look for "dropped with=20 EAGAIN" or "dropped from vol offline" in the output.=A0 This=20 will help narrow down the problem.
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So, sometimes when somebody deletes a lot of data (like the problem w=

just observed),
the deleting host, and often other hosts, do report=A0 'filer not responding' in the logs.
However, operations that aren't happening in the delete dir, tend to work just fine (for example, iozone could be running and doing pretty well)).=A0 Further, the most recent time this happened, the host didn=

report filer not responding.
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This is the only EAGAN reference I see:
=20
assist queue (queued, split mbufs, drop for EAGAIN) =3D (0,=20 64478612, 94340)
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Dave
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