Dear Mr. Beekhof,

> > > in that case, add symmetrical=true to your colocation constraint

I tried your suggestion adding the symmetrical=true value:

<rsc_order id="drbd_before_group" from="group" to="ms_drbd" action="start" 
to_action="promote"/>
<rsc_colocation id="group_on_drbd" from="group" to="ms_drbd" to_role="Master" 
symmetrical="true" score="INFINITY"/>

In result both systems could be started BUT both became slave!

cat /proc/drbd:
cs:Connected st:Secondary/Secondary ld:Consistent

crm_mon:
Master/Slave Set: ms_drbd
    drbd0:0     (heartbeat::ocf:drbd):  Started frigg
    drbd0:1     (heartbeat::ocf:drbd):  Started odin
Resource Group: group
    IPaddr0     (heartbeat::ocf:IPaddr):        Started frigg
    MailTo      (heartbeat::ocf:MailTo):        Started frigg

Without a master I cannot access to the DRBD ressources.

Secondly, how the group could be started? The group normally starts at the 
master -- and there is none...

Thanks for your help!
Klemens

-- 
Klemens Kittan
Systemadministrator

Uni-Potsdam, Inst. f. Informatik
August-Bebel-Str. 89
14482 Potsdam

Tel.    :   +49-331-977/3125
Fax.    :   +49-331-977/3122
eMail   : [EMAIL PROTECTED]

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