[DRBD-user] How to know which node was the last primary ?

GAUTIER Hervé herve.gautier at thalesgroup.com
Tue Jan 6 10:33:33 CET 2009

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

Peter Sabaini a écrit :
> On Monday 05 January 2009 17:38:28 GAUTIER Hervé wrote:
>> Hello and happy new year !
>> just a simple question, as DRBD daemon should have this information:
>> Is there any DRBD tool which gives which node was the last primary ?
> Not sure what you mean by "last" after what? Here's the documentation on how 
> to check the current network / disk states and roles: 
> http://www.drbd.org/users-guide-emb/ch-admin.html#s-check-status , including 
> which disk has out of date data.
Thank Peter for your reply.

Unfortunately, I know well these states, but my question is in fact:
In case of split brain (and at any time), does DRBD know which member 
still is or was primary ?
Or each peer does not keep any information concerning the other ? And it 
will be to the clustering software to keep this information ?


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