[DRBD-user] DRBD Not working Properly with Heartbeat

[Bart Coninckx]

On Monday 05 July 2010 14:54:32 Rakesh Yadav wrote:
> Hello All,
> 
> I am developing a master fail-over for my perceus cluster.
> 
> 
> from a long time I am trying to implement DRBD in combination with
> heartbeat but it's not working as it is suppose to be.
> 
> I have two masters( Primary and Secondary) and configured to provide
> fail-over to the primary master . My heartbeat is running on a virtul ip
> which is on a public network. Heartbeat is configured in this a way to
> provide perceus as a Highly Available service and provide a private ip
> fail-over on which my master is  running . Everything is going well but
> when fail-over takes place then nodes of the cluster shows *a stale file
> system error*.
> 
> I want to replicate all those files from primary master to the secondary
> one which are providing provisioning to the  cluster nodes  with the
> help of DRBD.  Now DRBD is replicating data but it's *not working with
> the combination of heartbeat*. (Replicated disk should mount
> automatically to the system which becomes primary when fail-over takes
> place).
> 
> Nothing happen with DRBD when I start heartbeat I am doing everything
> manually. I am doing it as:
> 
> *on primary master:*
> 
> #service drbd start
> #drbdadm primary drbd1
> #mount /dev/drbd1 /replicated
> .
> .
> #umount /replicated
> #drbdadm secondary drbd1
> 
> 
> *on secondary node :*
> 
> #service drbd start
> #drbdadm primary drbd1
> #mount /dev/drbd1 /replicated
> 
> 
> 
> 
> and also there is still a stale file-system problem when I mount disks
> manually as above to the other system after fail-over on the nodes of
> the cluster .
> 
> 
> I am seeking for any kind of help from you guys...!
> 
> Thanks...!
> 
> Deepak
> 

Not a DRBD issue, but do you use the CRM?  Which Resource Agent did you use 
for DRBD?