[DRBD-user] Strange secondary behavior

Lars Ellenberg lars.ellenberg at linbit.com
Thu Oct 22 20:54:25 CEST 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On Thu, Oct 22, 2009 at 10:36:26AM +1100, Chamara Peris wrote:
> Hi All,
> I've setup a DRBD two node cluster with heartbeat. But I am having trouble
> with my secondary node. No matter how many times I do  a sync it still says
> "secondary inconsistent". However if I stop the heartbeat service from the
> primary the secondary take over the resource.
> But If I pull the network plug from the Primary then seconday cannot take
> the resources and complain about "at least 1 uptodate disk required"
> 1/ Please help me to get secondary disk to consistent state.
> 2/ Simulate network failure won't start secondary (pulling the cable out).
> How ever stoping heartbeat gracefully on primary kicks the secondary into
> action.
> Please find the attached configs for the files.

Your lower level disk throws IO errors.  As long as it does that, your
Secondary will not become Consistent, ever.  Fix your hardware.

Now, how do I know that?  Well, I don't.
Without log files, I can only guess.

So it may be something totally different.  Read the logs.

: Lars Ellenberg                
: LINBIT HA-Solutions GmbH
: DRBD®/HA support and consulting    http://www.linbit.com

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