| ERROR | ASM disk string is already being dropped |
| CAUSE | An attempt was made to drop a disk from a diskgroup that was already in the process of being dropped from the diskgroup. Alternatively, an attempt was made to forcibly drop a disk from a diskgroup using the FORCE option that was already being forcibly dropped from the diskgroup. |
| ACTION | Check the ASM disk name and FORCE option as specified in the command. |