Mailing List Archive: Linux-HA: Users

How to temporarily disable all HA mechanism without stopping Pacemaker ?

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Alain.Moulle at bull

Sep 3, 2010, 4:34 AM

Post #1 of 5 (495 views)
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How to temporarily disable all HA mechanism without stopping Pacemaker ?

Hi,

I would like to disable any stop/start/monitoring on the whole HA
cluster in one crm command
(or other command) and to enable all again later.

I noticed there was a is-managed atttribute at the cluster level, but it
seems deprecated (and I
read that it disable any start or stop, but I'm not sure about
monitoring ...)

Another way to do it ?

Thanks
Alain
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Alain.Moulle at bull

Sep 3, 2010, 4:49 AM

Post #2 of 5 (473 views)
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How to temporarily disable all HA mechanism without stopping Pacemaker ? [In reply to]

Hi again,
I just found the parameter "maintenance-mode", seems to be the right thing ?

Alain

> Hi,
>
> I would like to disable any stop/start/monitoring on the whole HA
> cluster in one crm command
> (or other command) and to enable all again later.
>
> I noticed there was a is-managed atttribute at the cluster level, but it
> seems deprecated (and I
> read that it disable any start or stop, but I'm not sure about
> monitoring ...)
>
> Another way to do it ?
>
> Thanks
> Alain

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Alain.Moulle at bull

Sep 3, 2010, 7:28 AM

Post #3 of 5 (490 views)
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How to temporarily disable all HA mechanism without stopping Pacemaker ? [In reply to]

And by the way, if maintenance-mode=false, does it also disable
stonith ?
Thanks
Alain
> Hi again,
> I just found the parameter "maintenance-mode", seems to be the right thing ?
>
> Alain
>
>> Hi,
>>
>> I would like to disable any stop/start/monitoring on the whole HA
>> cluster in one crm command
>> (or other command) and to enable all again later.
>>
>> I noticed there was a is-managed atttribute at the cluster level, but it
>> seems deprecated (and I
>> read that it disable any start or stop, but I'm not sure about
>> monitoring ...)
>>
>> Another way to do it ?
>>
>> Thanks
>> Alain
>
>
>

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andrew at beekhof

Sep 5, 2010, 11:25 PM

Post #4 of 5 (451 views)
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Re: How to temporarily disable all HA mechanism without stopping Pacemaker ? [In reply to]

On Fri, Sep 3, 2010 at 4:28 PM, Alain.Moulle <Alain.Moulle [at] bull> wrote:
> And by the way, if maintenance-mode=false, does it also disable
> stonith ?

You mean "maintenance-mode=true"?
No. That is controlled by the stonith-enabled option.

> Thanks
> Alain
>> Hi again,
>> I just found the parameter "maintenance-mode", seems to be the right thing ?
>>
>> Alain
>>
>>> Hi,
>>>
>>> I would like to disable any stop/start/monitoring on the whole HA
>>> cluster in one crm command
>>> (or other command) and to enable all again later.
>>>
>>> I noticed there was a is-managed atttribute at the cluster level, but it
>>> seems deprecated (and I
>>> read that it disable any start or stop, but I'm not sure about
>>> monitoring ...)
>>>
>>> Another way to do it ?
>>>
>>> Thanks
>>> Alain
>>
>>
>>
>
> _______________________________________________
> Linux-HA mailing list
> Linux-HA [at] lists
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems
>
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Alain.Moulle at bull

Sep 6, 2010, 8:44 AM

Post #5 of 5 (460 views)
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Re: How to temporarily disable all HA mechanism without stopping Pacemaker ? [In reply to]

Hi,

yes I was wondering, as when maintenance-mode=true" all my stonith resources
become "not managed" (in crm_mon) , I was wondering if it disable any
stonith possibility,
but you're right, "not managed" means only no start, no stop, no
monitor, but resource
is still running and can stonith a node. So ok, I 've also used
stonith-enabled="false"
together with maintenance-mode="true".
Thanks
Alain

> > And by the way, if maintenance-mode=false, does it also disable
> > stonith ?
>
>
> You mean "maintenance-mode=true"?
> No. That is controlled by the stonith-enabled option.
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