Caution:
This operation forcibly restores access from the host on a GAD pair that is inaccessible from the host due to failure.
- If you use the command incorrectly, it might cause serial problems, such as data inconsistency.
- If you use the command incorrectly or the operation ends abnormally, contact customer support.
This section describes how to change the I/O mode of the following pair:
- LDEV ID of the P-VOL: 0x2222
- LDEV ID of the S-VOL: 0x4444
- Mirror ID: 0
Run the command for changing the I/O mode of a pair.
Run the command on the storage system that has the volume for which you want to change the I/O mode.
- Changing the I/O mode of the LDEV (with LDEV ID: 0x4444) to Local:
Run the command on the storage system that has the LDEV (with LDEV ID: 0x4444).
raidcom modify remote_copy_pair -ldev_id 0x4444 -mirror_id 0 -operation iomd -iomd local
- Changing the I/O mode of the LDEV (with LDEV ID: 0x2222) to Block:
Run the command on the storage system that has the LDEV (with LDEV ID: 0x2222).
raidcom modify remote_copy_pair -ldev_id 0x2222 -mirror_id 0 -operation iomd -iomd block
Note:
This operation does not support the -range_group option. If you want to change the I/O mode of all pairs that belong to the consistency group, run the command for every individual pair in the consistency group.