Bug 63033 - Stale file handles on unplanned NFS failover
Stale file handles on unplanned NFS failover
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: clumanager (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Lon Hohberger
Depends On: 63162 70115 70132
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Reported: 2002-04-09 11:13 EDT by Tim Burke
Modified: 2008-05-01 11:38 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2002-06-13 14:40:26 EDT
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Description Tim Burke 2002-04-09 11:13:08 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.78 [en] (X11; U; Linux 2.4.7-10 i686)

Description of problem:

During the recent cluster training, we setup an NFS service.  Then client mounts
were setup to run scripts which were tar-ing on/off this nfs mount.

Performing service relocations seemed to work fine.  However if we power cycled
the cluster member serving the cluster service, in about 1/3 of the cases the
client would encounter stale file handles.  When this happened the only remedy
from the client's perspective was to manually remount.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.Setup nfs service
2.mount on client, initiate exercisers on client (e.g. tar)
3.power off active nfs server cluster member

Actual Results:  About 1/3 of the time nfs stale file handles occurred.

Expected Results:  Transparent failover.

Additional info:
Comment 1 Lon Hohberger 2002-05-13 13:26:11 EDT
Fix in pool.  Awaiting testing from different developers before closing.

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