On 11/10/2011 11:48 AM, Ulrich Windl wrote:
>>>> Andreas Kurz <[email protected]> schrieb am 09.11.2011 um 15:48 in 
>>>> Nachricht
> <[email protected]>:
>> On 11/09/2011 01:22 PM, Ulrich Windl wrote:
>>> Hi!
>>>
>>> I have a question : If I have a resource group with pacemaker 
>> (pacemaker-1.1.5-5.9.11.1 on SLES11 SP1) that has several resources, and I 
>> set one resource to "unmanaged", the group should not be affected, right?
>>> I also have a colocation like
>>> colocation col_ip2 inf: prm_ip2 cln_foo:Slave
>>>
>>> When I set "prm_ip2" to unmanaged the clone (ms) resource cln_foo did a 
>> promote (slave to master on node where prm_ip2 is, and a demote master to 
>> slave on another node) action.
>>> The idea of the colocation was to have the IP address on the node where the 
>> slave instance of cln_foo is running. I hope the setup was fine.
>>>
>>> Misconfiguration or software bug?
>>
>> Try using the whole group and not only the ip in the colocation
>> constraint ... if the cluster sees no need to bind a resource to a
>> specific node it feels free to relocate resources if scores ... or in
>> this case promotion scores are the same.
>>
>> Though I am not sure if this behavior is intended for unmanaged
>> resources in the case you described ... might be a feature ;-)
>>
>> Generally I suggest to use maintenance mode so you can be sure cluster
>> does really nothing with any resource while you are doing your admin tasks.
> 
> Good point: Can I activate "maintenance mode" with the crm shell? AFAIK, 
> "Maintenance mode" as done by the gui just puts all resources in to 
> "unmanaged" mode. Did I miss something?
> 

crm configure property maintenance-mode=true

... puts really all resources in unmanaged mode regardless of individual
is-managed settings.

Regards,
Andreas

-- 
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> Reagards,
> Ulrich
> 
> 
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-- 
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