[DRBD-user] when using dopd, is it possible to become primary with peer dead?

Lars Ellenberg lars.ellenberg at linbit.com
Mon Jul 19 10:05:17 CEST 2010


On Fri, Jul 16, 2010 at 09:51:28AM +0100, Tony wrote:
> Hi,
> 
> I am new to drbd/heartbeat and hope to get a brief answer for the
> following situation:
> 
> - drbd version: 8.3.4
> - heartbeat version: 2.1.4
> - OS: centos 5.5 x86_64
> - guide: http://www.drbd.org/users-guide/s-heartbeat-r1.html
> 
> I got it working without dopd. Now I would like to deploy dopd
> following this guide:
> http://fghaas.wordpress.com/2007/10/01/an-underrated-cluster-admins-companion-dopd/
> 
> The problem is that when I start one node and its peer is down/dead,
> it refuses to become primary (its state is Consistent). I did some
> searching and the best piece of relevant information I have found so
> far is this thread:
> http://www.mail-archive.com/drbd-user@lists.linbit.com/msg01164.html
> 
> Can someone please confirm this: using drbd-8.3.4 with dopd, both
> peers must be available so that one can become primary? The above
> thread hinted that fiddling with metadata could help, but it seems too
> much advanced for my level. I tried:
> 
> drbdadm -- --overwrite-data-of-peer primary r0
> 
> but didn't work. Even after a
> 
> drbdadm disconnect r0
> 
> it keeps refusing to become primary.
> 
> Any hint please?

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-- 
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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