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Adding a new node in standby.

 

 

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lars.ellenberg at linbit

May 25, 2012, 4:34 AM

Post #1 of 1 (254 views)
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Adding a new node in standby.

On Fri, May 25, 2012 at 11:48:29AM +0200, Florian Haas wrote:
> >> We actually discussed node defaults a while back. Those would be
> >> similar to resource and op defaults which Pacemaker already has, and
> >> set defaults for node attributes for newly joined nodes. At the time
> >> the idea was to support putting new joiners in standby mode by
> >> default, so when you added a node in a symmetric cluster, you wouldn't
> >> need to be afraid that Pacemaker would shuffle resources around.[1]

> >> [1] Yes, semi-doable with putting the cluster into maintenance mode
> >> before firing up the new node, setting that node into standby, and
> >> then unsetting maintenance mode. But that's just an additional step
> >> that users can easily forget about.
> >
> > Why not simply add the node to the cib, and set it to standby,
> > before it even joins for the first time.
>
> Haha, good one.
>
> Wait, you weren't joking?

Nope. "Works for me".
Not that I do that very often, but I did,
and it worked.

--
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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