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Re: [Linux-cluster] Update a Cluster from RHEL/CentOS 6.2 to 6.3



On Thu, 02 Aug 2012 09:39:34 +0200 Heiko Nardmann wrote:
> If that is a real production system and not just for playing you should setup
> a test environment before and also create a plan which usecases should run with the new cluster.

+1 for sure for what Heiko recommended

Plus, first place:
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Cluster_Administration/ch-overview-CA.html#s2-newfeatures-6.3-CA
and links

I remember some problems passing from 6.1 to 6.2, because I had
virtual machines configured as cluster services.
If it is your case, the first place to search for vm compatibility is
the table 4.1 at
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/Live_migration_and_RHEL_compatibility.html

See also my thread about clvmd problems I'm facing in 6.3 (but it is CentOS)
https://www.redhat.com/archives/linux-cluster/2012-August/msg00006.html

Also these pointers could help in evaluation:
https://www.redhat.com/archives/rhelv6-list/2012-January/msg00024.html
and previous and following posts of the thread

https://access.redhat.com/knowledge/solutions/68077

HIH,
Gianluca

PS: share your clvmd in 6.3 experience then, it you have it... ;-)


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