$ srvctl stop database -d ORADB # +OLD_DG diskgroup이 offline 상태 확인$ crsctl stat res -t$ renamedg dgname=OLD_DG newdgname=NEW_DG verbose=true asm_diskstring=/dev/oracleasm/disks/ASMDISK*// asm_diskstring=' /dev/oracleasm/disks/ASMDISK01, /dev/oracleasm/disks/ASMDISK02...' # +NEW_DG diskgroup mount$ asmcmd mount NEW_DG$ asmcmd lsdg # modify database parameter file OLD_DG -> NEW_DG$ vi pfileORADB.o..