FW: [Pacemaker] RFC: How do you upgrade?

Pinto, Phil (GTS) phil_pinto at ml.com
Wed May 7 09:08:10 EDT 2008


Does option 3 cause HB to recycle the resources when you re-attach them?  If not this approach would be better than what I'm doing using a rolling upgrade with one fail-over - if the resource can stay up throughout upgrade process. 

Phil Pinto 
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-----Original Message-----
From: pacemaker-bounces at clusterlabs.org [mailto:pacemaker-bounces at clusterlabs.org] On Behalf Of Dominik Klein
Sent: Wednesday, May 07, 2008 3:02 AM
To: The Pacemaker cluster resource manager
Subject: Re: [Pacemaker] RFC: How do you upgrade?

Andrew Beekhof wrote:
> Me again,
> I'd like to get a sense of how people upgrade their clusters...
> * rolling upgrade (node-by-node)
> * big-bang (all nodes at once with all resources stopped)
> * detach and reattach (all nodes at once with resources still running)
> * other?
> I'm interested to know how popular the various methods are.
> Andrew

I prefer no. 3 (detach and reattach).

Works quite nicely.


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