On Wed, Jul 9, 2008 at 22:54, Eric Blau <[EMAIL PROTECTED]> wrote:
> Hello list members,
>
> I have a bunch of servers running Linux HA 2.1.3 using a simple version
> 1 configuration with a 2 node cluster with a shared IP address managed
> using the IPaddr2 resource script.
>
> I was wondering if it is possible to perform a live upgrade to a version
> 2 CRM-based configuration, perhaps by upgrading the standby server using
> the haresources2cib.py script on the standby server and restarting Linux
> HA with "crm yes" in the ha.cf file and the generated cib.xml put into
> place.  The IPaddr2 resource could then be migrated from the version 1
> node to the version 2 node and the same process repeated on the version
> 2 server.
>
> Is this at all possible?

In a word, no.
The crm software would only be running on a single node and it doesn't
know how to talk to the v1 resource manager.

> It seems the underlying communication
> framework provided by heartbeat is the same for both types of clusters,
> but I'm sure the difficulty is in getting the two configurations to
> understand the attribute-value pairs encapsulated in the cluster
> messaging.
>
> Thanks in advance for your help!
>
> Regards,
> Eric
>
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>
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