hi
We are trying to capture diskdumps when a lock_dlm kernel panic happens
and need to increase either post_fail_delay or deadnode_timeout to
prevent the dumping node from being fenced.
Is there any advantages or disadvantages to using either? Which is
recommended?
post_fail_delay and diskdump has come up previously, with some good
answers from David
http://www.redhat.com/archives/linux-cluster/2006-June/msg00037.html
note: for capturing a "sysrq t", we manually increase deadnode_timeout,
and decrease it back again, but don't have this luxury with a kernel
panic (which can happen at any time).
Riaan
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