Back up the DB JAR when either the node is down

11.2.0.2/Solaris 10 (x86-64bit) 
For our production to 2 CARS DB nodes, I had configured backup RMAN to Node1 using cron. Last weekend our Node1 went down. Our SMS notification system that sends SMS alerts to our mobile went down the weekend as well. Just before lunch on Monday, we had that Node1 is broken and there is no backup for Saturday and Sunday.

How can I make sure that the RMAN of the DB Backup is taken even if one of the nodes down? My friend suggested Planner IBM TWS. May Planner working Tivoli detects a CCR node dead and fire RMAN backup from the surviving node?

I don't know the answer about the SSC, but if you run the backup from crontab, I guess you do not have now any 3rd third-party tool.
I think the easiest solution will be to have the script task and crontab on both servers and decide that running the backup.
For example, the script that is provided in the crontab will do:
1. If $HOSTNAME is node1 run the backup. If $HOSTNAME is node2, check if the Node1 is in place and if not run the backup.
2. it is more elegant, check the "State crsctl resource" for something and run the backup as a result. For example, the script checks where SCAN1 VIP is located, and it is the node that will be held in the backup.

HTH
Liron

Tags: Database

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