![](/images/new-backgrounds/1143853/143853295x1.webp)
For more information on attaching volumes to LUNs, “Exposing an iSCSI Target and LUN,” page 134.
Creating a mirror from a single volume creates data redundancy. Adding an extra child to a mirror does not create data redundancy. It increases the existing redundancy.
Con | Vol X |
LU0 |
|
Mir
LU0
Con | Ch 2 |
LU0 | 10190 |
|
Figure 73. Creating a Mirror to Add Data Redundancy
volume mirror add
You need to define four parameters to add a mirrored volume:
SWITCH | PARAMETER | DEFINITION | STATUS | EXAMPLE |
-vol
-no sync
VOLUME | SOURCE VOLUME | MANDATORY |
| TO ADD MIRROR TO |
|
CHILD | NEW CHILD TO ADD | MANDATORY |
| TO MIRROR |
|
NO | DISABLE | OPTIONAL |
SYNCHRONIZATION | AUTOMATIC | NO SYNC IF |
| MIRROR SYNC | USED |
Mirror5
Simple10
No parameter required
142 | SANRAD |