On 18.11.2010 18:52, Or Gerlitz wrote:
Dario Fiumicello - Antek wrote:
You can promote an outdated secondary to primary with:
drbdadm -- --overwrite-data-of-peer primary <resource*>*
but this way, once the old primary is restored you'll get a split brain.
Why is that, once the old primary is restored, and assuming the cluster
managment doesn't assign it the primary role, I was thinking that it
will get into SyncTarget state

Before it crashed, the old primary will have received changes that the other node doesn't know about. Hence split brain.

Regards,
Felix
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