[Pacemaker] Collocating resource with a started clone instance

[Sergey Tachenov]

>> group postgres pgdrive_fs DBIP postgresql
>> colocation postgres_on_drbd inf: postgres ms_drbd_pgdrive:Master
>> order postgres_after_drbd inf: ms_drbd_pgdrive:promote postgres:start
>> ...
>> location DBIPcheck DBIP \
>>        rule $id="DBIPcheck-rule" 10000: defined pingd and pingd gt 0
>> location master-prefer-node1 DBIP 50: srvplan1
>> colocation DBIP-on-web 1000: DBIP tomcats
>
> try inf: ... 1000: will be not enough .... because DBIP is also part of
> postgres group and that group must follow the DRBD Master

I understand, but why doesn't it move the DRBD Master (and the whole
group) then? If I set the score INF, then the DBIP gets stopped
completely, and ptest shows -INF for both nodes. And why the ping
location constraint works then? If the ping is not answered, the whole
group moves perfectly fine.