NFS I/O or permission denied errors
Attila Bogár
attila.bogar at linguamatics.com
Sat Aug 4 09:22:22 UTC 2012
On 04/08/12 00:28, Rick Macklem wrote:
> Oops, I didn't see that the client was a Linux one. I have no idea
> what the semantics of a Linux "umount -f" is, although I'd still try
> it without "-f" I was you.
Thanks, - I tried with the force -f on the Linux and no change, I/O
error within 2 mins.
I captured the mount/umount requests with tshark and I can see no
difference, how the FreeBSD nfs server responds to successful/failed
mount requests. In fact the Linux is sending the FIN.
Moreover, I could reproduce this between a CentOS 5.8 nfs server and a
CentOS 6.3 nfs client.
So I think this is a Linux bug - I'll try the linux-nfs@ mailing list to
discuss this further.
I'm not sure if this is the same bug as I get for the krb5 mounts (there
the error message is permission denied), will make a tshark capture too
with that.
Thanks for the ideas,
Attila
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