Monday, January 8, 2018

Slow RMAN Performance for CROSSCHECK and DELETE OBSOLETE

I faced an issue recently where my CROSSCHECK and DELETE OBSOLETE commands were too much slow to execute, actually these were hung. The reason for this issue was IP address change of my NFS server form where a drive was mounted on database server for backups and backups were being taken on this NFS share. After NFS server’s IP address change, RMAN would go to check old IP address to search for the old/obsolete backups when we executed CROSSCHECK and DELETE OBSOLETE commands.

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