How to check real time apply is enabled on standby database

This is basics, but i do see few dba not knowing how to check whether Real-Time Apply has been enabled on the standby using views.Normally alert log would give the required information, but if one wants to check using database views then its "v$archive_dest_status". To start the real time apply (standby redo logfiles are must … Continue reading How to check real time apply is enabled on standby database

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Clusterware version consistency failed

Recently we rollbacked (qtree snapshots were restored) 11.2.0.3 2-node RAC back to 10.2.0.5 version after testing successful upgrade.Again it was time for mock upgrade to 11.2.0.3, before performing it on production.We started the runInstaller for CRS upgrade and after the "Prerequisite Checks" it showed " clusterware version consistency failed for both the nodes". The to … Continue reading Clusterware version consistency failed