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NFS mount commands hanging

DISCUSSION Orion Poplawski 1 participant 1 message Mar 7, 2012

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Orion Poplawski

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I'm starting to see mount commands on my Fedora 15/16 clients hanging accessing CentOS 5.7 servers. I've filed a fedora bug here:

https://bugzilla.redhat.com/show_bug.cgi?id=791311

that includes a packet capture. Packets seem to be the following repeating very fast:

1 0.000000 10.10.11.2 -> 10.10.10.1 NFS V4 COMP Call <EMPTY> PUTROOTFH
PUTROOTFH;GETFH GETFH;GETATTR GETATTR
2 0.000029 10.10.41.5 -> 10.10.10.1 NFS V4 COMP Call <EMPTY> PUTROOTFH
PUTROOTFH;GETFH GETFH;GETATTR GETATTR
3 0.000072 10.10.10.1 -> 10.10.11.2 NFS V4 COMP Reply (Call In 1)
<EMPTY> PUTROOTFH PUTROOTFH;GETFH GETFH;GETATTR GETATTR
4 0.000087 10.10.10.1 -> 10.10.41.5 NFS V4 COMP Reply (Call In 2)
<EMPTY> PUTROOTFH PUTROOTFH;GETFH GETFH;GETATTR GETATTR

Any help tracking this down would be greatly appreciated.

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Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA, Boulder Office                  FAX: 303-415-9702
3380 Mitchell Lane                       [email protected]
Boulder, CO 80301                   http://www.nwra.com