ORA-15033: disk 'string' belongs to diskgroup

admin

ORA-15033: disk 'string'belongs to diskgroup "string"
Cause: An attempt was made to ADD to a diskgroup a disk thatwas already part
of another diskgroup, or an attempt was made to DROP / OFFLINE / ONLINE /
CHECK a disk that was not part of the specified diskgroup.
Action: ForADD, check the path specifier for the disk. If it is certain that the disk
is not in use by another diskgroup, the FORCE option may be used to overridethis
check. For the other commands, check the name of the specified disk.