The goal here is to rename the DATA diskgroup to DG_PROD_DATA – here is the situation before the rename operation : # asmcmd lsdg State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name MOUNTED NORMAL N 512 4096 1048576 32756 31828 244 15792 0 N DATA_OCR/ MOUNTED EXTERN N 512 4096 1048576 16378 […]