Bug 151187 - hang during shutdown of rgmanager if relocate operations are taking place
hang during shutdown of rgmanager if relocate operations are taking place
Product: Red Hat Cluster Suite
Classification: Red Hat
Component: rgmanager (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Lon Hohberger
Cluster QE
Depends On:
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Reported: 2005-03-15 15:48 EST by Lon Hohberger
Modified: 2009-04-16 16:16 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2005-05-06 16:46:07 EDT
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Description Lon Hohberger 2005-03-15 15:48:21 EST
Description of problem:

rgmanager will hang during shutdown if two nodes get into a
relocate-to-eachother deadlock.

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

How reproducible: 50% on 3-node cluster

Steps to Reproduce:
1. run rgmanager on 3 nodes
2. run "while [ 0 ]; do clusvcadm -r foo; done
3. kill rgmanager with SIGTERM on all nodes at near-the-same-time
Actual results:

Two nodes end up with threads trying to relocate the service to one-another.

Expected results:

Clean shutdown.  It does not matter what the return value from the relocate
request is.

Additional info:

This is probably a simple logic error somewhere in the code.
Comment 1 Lon Hohberger 2005-03-15 15:52:18 EST
One way to solve this (and all future problems like it) is to only allow stop &
disable requests during shutdown.
Comment 2 Lon Hohberger 2005-03-16 18:23:37 EST
I have (mostly) a fix for this.  Still testing though.
Comment 3 Lon Hohberger 2005-03-21 16:08:30 EST
Fixed in CVS
Comment 4 Lon Hohberger 2005-05-06 16:46:07 EDT
These have been fixed in CVS for some time; closing

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