Bug 430264 - qdisk master abdication does not work correctly in all cases
Summary: qdisk master abdication does not work correctly in all cases
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: cman
Version: 5.2
Hardware: All
OS: Linux
low
low
Target Milestone: rc
: ---
Assignee: Lon Hohberger
QA Contact: GFS Bugs
URL:
Whiteboard:
: 468144 (view as bug list)
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2008-01-25 16:45 UTC by Lon Hohberger
Modified: 2009-04-16 22:56 UTC (History)
2 users (show)

Fixed In Version: RHBA-2008-0347
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2008-05-21 15:58:46 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Fix (709 bytes, patch)
2008-01-25 16:45 UTC, Lon Hohberger 		no flags Details | Diff
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2008:0347 0 normal SHIPPED_LIVE cman bug fix and enhancement update 2008-05-20 12:39:41 UTC

Description Lon Hohberger 2008-01-25 16:45:36 UTC 
Description of problem:

When qdiskd detects multiple masters, all detecting qdiskd instances are
supposed to abdicate their position and elect a new master.  Unfortunately, a
logic error prevents this from occurring in all cases.  For example, if qdiskd
goes to sleep, is evicted, and still thinks it is master, it will complain:

"A master exists, but it's not me?!"

Steps to Reproduce: Unknown; seen in overnight testing
  
Actual results:  Loop with annoying messages

Expected results: Master abdication + re-election
Comment 1 Lon Hohberger 2008-01-25 16:45:36 UTC 
Created attachment 292960 [details]
Fix
Comment 2 Lon Hohberger 2008-02-04 17:19:12 UTC 
One way to cause this is to corrupt the quorum disk while qdiskd is running.
Comment 3 Lon Hohberger 2008-03-04 22:34:13 UTC 
This is in my local git branch and has already been pushed to master.
Comment 12 errata-xmlrpc 2008-05-21 15:58:46 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2008-0347.html
Comment 13 Lon Hohberger 2008-12-03 18:20:43 UTC 
*** Bug 468144 has been marked as a duplicate of this bug. ***
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