[DRBD-user] Ask some questions about the splitting of the dual master device

[Digimer]

On 2018-12-09 8:28 p.m., Su Hua wrote:
> Excuse me, the latest drbd driver can provide the arbitration service in
> the case of split-brain？instead of using the script that is fixed
> afterwards, which may cause partial data loss under the GFS2 cluster
> file system.

DRBD needs to be fenced in a way that informs DLM that the lost node has
been fenced. I do not know of any fence handlers that do this is a pure
DRBD install. So for practical purposes, no, you will need pacemaker
with a proper stonith configuration to avoid split-brains in the first
place.

-- 
Digimer
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