[Pacemaker] Online add a new node to cluster communicating by UDPU

Andrew Beekhof andrew at beekhof.net
Tue Feb 12 23:57:06 EST 2013


On Tue, Feb 12, 2013 at 10:28 PM, Vladislav Bogdanov
<bubble at hoster-ok.com> wrote:
> 12.02.2013 14:11, Viacheslav Biriukov wrote:
>> Why don't you use it? Do you know any issues with this method?
>
> I just did not need it yet.
>
> And, one also needs to check that it is possible to cleanly delete nodes
> from a CIB (both configuration and status sections) and they do not
> reappear there anymore (I recall related issues in the past when node
> reappears in CIB after membership change). Hopefully that was fixed, but
> I'm not sure. Also, as I do not play with cluster size changes right
> now, I don't know exactly how does pacemaker currently deals with
> dynamic change of number of clone instances.

That should be fine.  We'll just some some if necessary.

>
> May be Andrew or David can comment on this?
>
> I must admit that it would be very nice to have dynamic membership
> support polished in 2.0 :)
>
> Vladislav
>
>
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