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There seems to be hard dependency between database and flash diskgroups.
what is the version of Grid and database?
check output from below:
crsctl stat res ora.<dbname> -f |grep "DEPENDENCIES"
in 188.8.131.52 HARD dependency exists only for datafile, control file, online redo file, or DB SPFILE, rest will have weak dependency
RAC and DB version is 184.108.40.206. Yes, as you said, it may involved in hard dependency
When i start db the error come : Unable to start ‘ora.dbvn.db’ because it has a ‘hard’ dependency on ‘ora.FLASH1.dg’
./crsctl start res ora.dbvn.db –p | grep DEPENDENCIES
START_DEPENDENCY=hard(ora.DATA.dg,ora.ARCH.dg,ora.REDO1.dg, ora.REDO2.dg,ora.FLASH1.dg) …
You can include only shared diskgrops with command:
srvctl modify database -d <db_name> -a '<group1, group2, ...'
So Thanks Sharma and Mihael.