[DRBD-user] NFS not starting with heartbeat

Matt Graham danceswithcrows at usa.net
Wed May 16 22:36:37 CEST 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


From: Lars Ellenberg <lars.ellenberg at linbit.com>
[snippage]
> May I ask why you chose to use heartbeat haresource mode instead of
> RHCS or Pacemaker, or any other potential candidate for the job?
> 
> Just curious here. I'm trying to figure out how common it is nowadays
> to do new haresources deployments with new projects.

The last time I tried pacemaker on a test cluster at work, it didn't work at
all.  This was apparently because multicast was required, and the people who
run networking at work said they wouldn't turn multicast on for any of the
switches.  heartbeat, though, works reasonably well because it doesn't require
multicast.

FWIW, Marcel's haresources had "nfs nfslock", while a heartbeat-using NFS
cluster here has "nfslock nfs" in the same place.  The /etc/init.d/ scripts
have chkconfig comments showing nfslock starting before nfs.  So that's
another thing for Marcel to look at.

-- 
Matt G / Dances With Crows
The Crow202 Blog:  http://crow202.org/wordpress/
There is no Darkness in Eternity/But only Light too dim for us to see




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