[Pacemaker] Temporarily disabling the cluster

[Xinwei Hu]

2008/9/9 Lars Marowsky-Bree <lmb at suse.de>:
> On 2008-09-09T17:43:19, Xinwei Hu <hxinwei at gmail.com> wrote:
>
>> > Basically:
>> >
>> > "Enable maintenance mode" means "is_managed == false" for everything
>> > (overrides individual resource settings?), plus disabling all
>> > monitors.
>> >
>> > "Disabling maintenance mode (going back to production" - probe
>> > everything everywhere again(?), reenable monitors, resume normal
>> > "is_managed" behaviour.
>> >
>> > Is that about it?
>>
>> The problem is what should happen when a resource is "suspended" while
>> pacemaker's about to relocate it due to some other events ?
>
> In this mode, pacemaker would never move a resource.

Yes. And then all resources colocated/ordered with that are "pinned"
as well. So effectively, we have the whole cluster "half-suspended" as
well.

This leads me to think that "suspend" a specific resource is not a clean idea.

>
>
> Regards,
>    Lars
>
> --
> Teamlead Kernel, SuSE Labs, Research and Development
> SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
> "Experience is the name everyone gives to their mistakes." -- Oscar Wilde
>
>
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