beekhof at gmail
Nov 2, 2007, 5:55 AM
Post #2 of 2
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Re: Manually specifying the location of master/slave resources
[In reply to]
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On Nov 1, 2007, at 10:49 PM, Jeremy N Thornhill wrote:
> I have created a working DRBD config for heartbeat 2.1.2 following the
> example document, and everything seems to work as anticipated.
>
> However, I am curious if it is possible to manually force a specific
> node
> be a master for a master/slave set. I.E., given the following
> situation:
>
> Master/Slave Set: ms-drbd0
> drbd0:0 (heartbeat::ocf:drbd): Master NodeA
> drbd0:1 (heartbeat::ocf:drbd): Slave NodeB
>
> I would like to cause "NodeB" to become the master and "NodeA" to
> become
> the slave. This is certainly not possible with the GUI, and I have
> been
> unable to determine how to go about this using the crm_ commands.
adding a rsc_lcoation constraint with role=Master should achieve what
you're after
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