[Pacemaker] Node addition policy

Andrew Beekhof andrew at beekhof.net
Thu Jul 4 07:50:41 EDT 2013


On 04/07/2013, at 7:24 PM, Vladislav Bogdanov <bubble at hoster-ok.com> wrote:

> Hi,
> 
> I think about safest way to expanding the cluster, and my observations
> show that new nodes are always added in the "online" state
> (standby="off"). I would like nodes to appear in standby="on" state
> unless they can be fenced immediately after addition (fencing is
> configured for them). Other option would be to add them standby
> unconditionally (f.e. admin want to configure some node attributes
> before node runs some resources - like I want for some clusters).
> 
> So, I think that it is worth adding new cluster option for that (f.e.
> node-addition-policy [online(default)|standby|fencing] ).
> 
> I tried to add node section for not-yet-known node  with crmsh but
> failed (it doesn't like $id for such nodes). After some thinking I
> believe it is better to have some default policy instead of adding node
> sections "in advance", just to minimize the consequences of human errors.
> 
> Does that make sense for others?

Not a word of it :)

You want nodes that appear in the membership to default to standby=on if no other value is set?





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