[Pacemaker] resource modification and resource agent update

Dejan Muhamedagic dejanmm at fastmail.fm
Fri Mar 15 05:49:45 EDT 2013


On Thu, Mar 14, 2013 at 11:48:16PM -0400, Matthew O'Connor wrote:
> Hi!!  Two quick questions.
> 1. I have a resource that many other resources depend on.  I need to
> modify this "base" resource, but if I modify this resource while it is
> online, will pacemaker restart it to effect the changes?  I would expect
> that if it does, it will necessitate restarting all dependent resources
> as well - is this correct?

You can update the agent without restarting. But disable
monitoring beforehand: shell scripts don't like being updated
while they're running.

> 2. I'm still stuck on Pacemaker 1.1.5 and 1.1.6 (different clusters). 
> My resource agents are rather out of date, and I haven't gotten around
> to compiling 1.1.8 from the sources (it's...a long story).  Can I update
> the resource agents to whatever is latest and greatest, or is there a
> cross-dependency between the Pacemaker version and the resource agent
> revisions?  I'm hoping I can update, since they're all pretty much just
> shell-scripts, right?

AFAIK, there are no dependencies on the particular pacemaker



> Thanks for your help!!
> -- Matthew

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