We have cucm cluster of pub and sub 1 & 2. We have upgraded pub and sub 2 from version 9.1 to 11.5 and done with switch version. Sub 1 upgrade still remainng but its showing partition unaligned error as attached snaps. we do not required sub 1.
Please advise, shell i upgrade sub 2 or delete it from the cluster?
If you wish to solve partition unaligned issue in sub1, then you can upgrade sub1 and then follow the below procedure. (Take a backup, do a fresh install of sub 1 with the correct OVA and then restore)
If you no longer need sub 1, then you need to delete it properly. Remove it from system --> Server and that requires cluster reboot starting with the Pub. You need to make sure that the sub is removed properly, else it will cause DB replication issue.
HTH Rajan Pls rate all helpful posts by clicking the stars below
And yes in response to your query before this, after the upgrade the partitions might remain unalligned i.e if the upgrade goes through fine. You can always take backup, redeploy 9.1.2 using the right OVA, restore the backup and then go for the upgrade to 11.5.
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The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.