[DRBD-user] Newbie question. DRBD refuses to connect to each other after some accident

Florian Haas florian.haas at linbit.com
Wed Dec 5 22:57:41 CET 2007

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

Please check your logs for "split-brain detected, dropping connection" 
messages from DRBD and peruse your favorite archive of this list for copious 
examples on how to get out of split brain, and what configuration mishaps may 
cause it in the first place.


On Wednesday 05 December 2007 21:22:36 Tao Yu wrote:
> I have drbd running on two machines. When they are in the connect state, I
>      1. unplug the ethernet cable they talk to each other
>      2. stop drbd on one box (ha1), "service drbd stop"
>      3. restore the connection
>      4. on ha1,  modprobe drbd; drbdadm up all
> After this, those two drbd instances just do not connect to each other.
> They both in StandAlone state.
> I tried "drbdadm connect all", but does not help.
> Is there any command I can use to make them resync with each other?
> Thanks,
> Tao

: Florian G. Haas 
: LINBIT Information Technologies GmbH
: Vivenotgasse 48, A-1120 Vienna, Austria

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