On 04/07/2013, at 11:16 AM, Leland <[email protected]> wrote:

> I'm setting up a 4-node cluster where 2 of the nodes will run an
> active/active DRBD and the other two nodes will be available in case one of 
> the "active" nodes fails.
> 
> I can almost get this working fine.  But, what I can't seem to figure
> out is how to restrict the DRBD Masters to only certain combination of
> nodes.
> 
> I want the replication to happen between:
> 
> pzsmbr01 and pzsmbr51
> or
> pzsmbr02 and pzsmbr51
> or
> pzsmbr01 and pzsmbr52
> or
> pzsmbr02 and pzsmbr52

So you the master can only be on 01 and 02?

> 
> Because I share the SAN disks between the following node combinations, I
> do NOT want the DRBD Masters to wind up on:
> 
> pzsmbr01 and pzsmbr02
> or
> pzsmbr51 and pzsmbr52
> 
> If there's not an easy way to restrict the MS resource like that and
> getting rid of the SAN sharing would make this setup easier, then I'd be 
> happy to.  But, I must have the ability to move a group of resources
> around the cluster freely and I don't think I can do that with DRBD
> stacking (can I???).

I think linbit might be the only ones that can answer that.

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