Hi Aravindo
Aravindo wrote:
Dear List readers
I have a MasterSlave configuration with drbd, similar to
http://www.linux-ha.org/DRBD/HowTov2. That works great.
As it is a Master-Slave configuration, there is one instance on both nodes.
crm_mon looks like this:
Node: node1 (aa86a87b-355a-4868-8a99-e7fdc024cf91): online
drbd0:1 (heartbeat::ocf:drbd)
Node: nod2 (cc13063d-906f-4c24-aa7e-c8f16988d5f8): online
drbd0:0 (heartbeat::ocf:drbd)
A) Is there a way to get the Information, which node is the master of
which resource? In the hb_gui I can see this information, but I'd like
to use the command line tools.
cat /proc/drbd
B) I know I can migrate a resource by using "crm_resource -r fs -H
node -M" - is there any way I can define which node should run the
master instance of the resource?
You propably have a colocated resource or group, don't you?
Just migrate that colocated resource and pacemaker will shuffle drbd
master/slave roles accordingly.
As always: Use a recent pacemaker version when using master_slave
resources. 0.6.3 is recommended atm.
Regards
Dominik
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