RAC upgrade from RedHat v5 to v6
- From: Don Morse <dmorse2@xxxxxxxxx>
- To: Oracle List <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 22 Nov 2012 15:13:52 -0800 (PST)
To List: Has anyone done a Redhat v5 to v6 upgrade on an a RAC cluster? Our
UNIX admin tells me that the upgrade is a re-install of Linux.
Oracle Support has stated this: Oracle RAC supports rolling upgrade of the OS
which indicates you can upgrade OS of one node keeping other nodes up and after
completing the upgrade of OS on first node,
relink oracle clusterware and RDBMS binaries then bring up clusterware and
database on that node and then upgrade second node keeping the first and third
node up.
This is supported only during OS upgrade. It is not supported to run
clusterware with different version of OS on each node for a long time. The
support is only for the time it takes to upgrade your OS".
If our Linux admin is correct (RH 6 is a re-install), then the rolling upgrade
recommended by Oracle is impossible? Or do I dare to challenge him on this?
Thanks,
Don Morse
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