[Ocfs2-users] recovery after node crash

[Marco]

* Nikola Ciprich <extmaillist at linuxbox.cz> [2010 05 23, 22:13]:
> after 120 seconds, kernel detects hung processes, showing following backtraces:
> May 21 18:23:56 rock1 [ 2520.497485] INFO: task mc:5827 blocked for more than 120 seconds.
> May 21 18:23:56 rock1 [ 2520.497489] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

 I am seeing that message in my logs quite often as well -- details
available in my previous mail in the list archives:

http://oss.oracle.com/pipermail/ocfs2-users/2010-April/004427.html

 Sometimes it has no consequences, other times it seems to lead to a
kernel panic :(

 Here using a SAN volume, 2.6.32 and ocfs2-tools 1.6.0 from 

http://oss.oracle.com/git/?p=ocfs2-tools.git;a=commit;h=de50bf25701e8af08aea3664d5982b993ddc7433

Best regards