[Linux-cluster] RHEL 4.5 -> 4.6 migration

[gordan at bobich.net]

I'm curious - please, do tell about the solid rollback plan. Something 
like the stackable wayback file system for root?

On Fri, 11 Jan 2008, Paul n McDowell wrote:

> I did a rolling upgrade of a 5 node GFS environment from 4.5 to 4.6 over a
> week and had no interoperability issues.  I made sure that I had a solid
> roll-back plan before I upgraded each node just in case.
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> rhurst at bidmc.harvard.edu
> Sent by: linux-cluster-bounces at redhat.com
> 01/11/2008 10:36 AM
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> Subject
> [Linux-cluster] RHEL 4.5 -> 4.6 migration
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> Has anyone migrated from an existing 4.5 to the newer 4.6 cluster suite?
> We would like to roll out 4.6 in our 11-node cluster, but only one node at
> a time, over the course of 2-weeks.  Does the two versions intermix well
> enough to do that?   Or do we need to do take some kind of special care or
> precaution, like when injecting this dilithium crystal chamber with an
> inverse tachyon pulse from the main deflector dish?
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