Today while working with client, found following error in alert log. Client wanted a clean alert log:
ERROR: failed to establish dependency between database MISDEV and diskgroup resource ora.RECOC1.dg
Fix: This error is harmless. Documented in Bug 8304720 Ignore it or Fix it using srvctl modify database -d <db_unique_name> -a "<diskgroup_list>" Ref Doc ID - 1474954.1
srvctl add database -d MISDEV -o /u01/app/oracle/product/126.96.36.199/ebsd_hm -a "RECOC1"
ALTER DATABASE MOUNT NOTE: Loaded library: OSS NOTE: Loaded library: System SUCCESS: diskgroup RECOC1 was mounted NOTE: dependency between database MISDEV and diskgroup resource ora.RECOC1.dg is established Successful mount of redo thread 1, with mount id 3297563875 Database mounted in Shared Mode (CLUSTER_DATABASE=TRUE) Lost write protection mode set to "typical" Completed: ALTER DATABASE MOUNT Mon Apr 14 21:53:28 2014 ALTER DATABASE OPEN