| Error | ORA-15027 |
Description | open files in diskgroup "string" preclude its dismount | Cause | An ALTER DISKGROUP ... DISMOUNT command specified a diskgroup which had database instance clients with open files in the diskgroup. Diskgroups cannot be dismounted until all open files in the diskgroup are closed by the database instance clients. | Action | Stop all clients that are using this diskgroup and retry the ALTER DISKGROUP ... DISMOUNT command. |
