On Tue, Sep 15, 2009 at 5:56 PM, Radu Rendec <[email protected]> wrote:
> Hi,
>
> I'm trying to setup a simple drbd cluster using Pacemaker and the ocf RA
> provided by the drbd team.
>
> When the master-slave object is created, both drbd resources (on both
> nodes) start as slaves. This is the expected behavior: when using plain
> drbd (with no CRM involved), both nodes start as slave and syncing only
> starts when one node is manually promoted to master.
>
> However, since I use only the CRM/RA for drbd management (except for
> editing drbd.conf and creating device metadata), I don't know of any
> simple way to promote one resource instance to master.
>
> All the docs/examples that I have seen rely on resource dependency and
> implicit promotion of one drbd resource instance once the dependant
> resource is started/migrated to a specific node.
>
> Is there any way to manually promote a (drbd) resource instance to
> master?

Do you mean an instruction to tell the CRM to promote it, or something
that bypasses the CRM and talks directly to drbd?
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