[DRBD-user] Heartbeat, DRBD, MySQL and automatic resume from a failover

drbd at bobich.net drbd at bobich.net
Mon Feb 11 16:34:04 CET 2008

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


On Mon, 11 Feb 2008, Lars Ellenberg wrote:

>>> - If starting only ONE of the servers, DRBD does not come up
>>> automaticly. I set "wfc-timeout 300" that the server at least starts
>>> without any user input, but heartbeat does not bring up DRBD in
>>> "Primary/unknown" status.
>>> But it is important that even if there is only one server starting and
>>> thus no redundancy, that heartbeat can bring up all ressources anyway!
>>
>> I raised the exact same issue recently. The default behaviour is that
>> nothing comes up as Primary/Unknown. It always comes up as
>> Secondary/Unknown. What worked for me is to add:
>> drbdadm primary all
>> to the startup.
>
> there is a configuration option (since drbd-8.0.6) named
> "become-primary-on", which is honored by the init script.
> it is intended for "two-primary clusterfs mode" setups,
> where the cluster manager (if any) should not decide about
> whether or not drbd is primary,
> but where it shall be primary always.
>
> you should not use it in "Primary/Secondary" setups
> where drbd is managed by the cluster manager.

Which section of the config file should this option be in?

Gordan



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