maverick has seen the end of its life and is no longer receiving any
updates. Marking the maverick task for this ticket as "Won't Fix".
** Changed in: cluster-agents (Ubuntu Maverick)
Status: Fix Committed => Won't Fix
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https://bugs.launchpad.net/bugs/544051
Title:
Filesystem start runs fsck on ext4 filesystem
Status in cluster-agents package in Ubuntu:
Fix Released
Status in heartbeat package in Ubuntu:
Invalid
Status in cluster-agents source package in Maverick:
Won't Fix
Status in heartbeat source package in Maverick:
Invalid
Bug description:
Binary package hint: heartbeat-common
Package heartbeat-common 2.99.2+sles11r9-5ubuntu1 in karmic contains a
critical bug:
The script
/usr/lib/ocf/resource.d/heartbeat/Filesystem
contains a list of filesystem types for which fsck is not run. This
list does not include ext4, although it does include ext3.
=======
SRU Justification
IMPACT:
This bug affects users running DRBD clusters with ext4 filesystem on
top. Every time that a cluster node tries to perform a takeover on a
DRBD resource with ext4 filesystem, it will run fsck, which can cause
the takeover to take much longer than expected. In Clustered
scenarios, this might affect the availability. For this reason, some
filesystems avoid this step, including ext3. Unfortunately, ext4 is
not yet listed in the version for Maverick.
REPRODUCE:
1. Install a two node DRBD cluster with Pacemaker. Format the DRBD block
device with ext4.
2. Once they are configured and running in Master/Slave, perform a hard
takeover by switching off the Master node.
3. In the Slave node, check syslog, where the following output will appear:
lrmd: [2623]: info: RA output: (res_fs:start:stdout) fsck from util-
linux-ng 2.17.2
HOW FIXED:
The fix is simple, and consists on adding ext4|ext4dev to the list of
filesystems for which to avoid performing fsck. This has been fixed
upstream (and in Natty) and it is the same approach.
PATCH:
Attached. Uploaded to maverick-proposed for review there.
REGRESSION POTENTIAL:
Minimal. I've tested this thoroughly.
=======
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