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Bug 129248 - gnbd does not check that gulm is quorate on startup
gnbd does not check that gulm is quorate on startup
Product: Red Hat Cluster Suite
Classification: Retired
Component: gfs (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Ben Marzinski
GFS Bugs
Depends On:
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Reported: 2004-08-05 11:05 EDT by Adam "mantis" Manthei
Modified: 2010-01-11 21:55 EST (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2005-01-13 11:33:09 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Adam "mantis" Manthei 2004-08-05 11:05:07 EDT
Description of problem:
GNBD, for the most part, relies upon GULM to handle cluster membership
and fencing.  If it is going to do that, it needs to wait until GULM
is in a quorate state on startup to ensure that in the event of a node
failure that it is properlly fenced.  Without gulm in a quorate state,
the GNBD resources can start up in a split brain scenario which could
lead to data loss or corruption.

Version-Release number of selected component (if applicable):
GFS-modules-smp-6.0.0-1.2; GFS-6.0.0-1.2

How reproducible:

Steps to Reproduce:
1. Start lock_gulmd only on a single node
2. Start gnbd_export 
Actual results:
gnbd_export is able to export block devices in non-cached mode

Expected results:
gnbd_export should wait until GULM is quorate before it allows block
devices to be exported

Additional info:
Comment 1 Ben Marzinski 2005-01-13 11:33:09 EST
We decided that the init scripts were an acceptable way to solve this
bug for this release, so I'm closing it out.

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