[DRBD-user] examples of dual primary DRBD

Bart Coninckx bart.coninckx at telenet.be
Thu Oct 13 21:47:04 CEST 2011

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


On 10/07/11 22:21, Bart Coninckx wrote:
> On 10/06/11 22:03, Florian Haas wrote:
>> On 2011-10-06 21:43, Bart Coninckx wrote:
>>> Hi all,
>>>
>>> would you mind sending me examples of your crm config for a dual primary
>>> DRBD resource?
>>>
>>> I used the one on
>>>
>>> http://www.drbd.org/users-guide/s-ocfs2-pacemaker.html
>>>
>>> and on
>>>
>>> http://www.clusterlabs.org/wiki/Dual_Primary_DRBD_%2B_OCFS2
>>>
>>> and they both result into split brain, except for when I start drbd
>>> manually first.
>>
>> They clearly should not. Rather than soliciting other people's
>> configurations and then try to adapt yours based on that, why don't you
>> upload _your_ CIB (not just a "crm configure dump", but a full "cibadmin
>> -Q") and your DRBD configuration to your pastebin/pastie/fpaste and let
>> people tell you where your problem is?
>
> OK, I posted the drbd.conf on http://pastebin.com/SQe9YxhY
>
> cibadmin -Q is on http://pastebin.com/gTZqsACq
>
> The split brain logging is on http://pastebin.com/7unKKkdi .
>
> Could this be some sort of timing issue? Manually things are find, but
> there are some seconds in between the primary promotions.
>
> thx,
>
> B.
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Could this be something as trivial as adding a "interleave" meta 
attribute to the master resource? I did this today and things seem fine 
now?

thx,

B.





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