Hitachi XP P9500 User Manual page 281

Figure 3-40 Device Configuration When an md Device on an HDLM Device
Is Moved to a SCSI Device (An Environment that Uses the md Device's
To migrate /dev/md0:
1 Deactivate the md device.
.
Perform steps 3 to 5 in
Function Is Not Used on page
2 Check the status of the md device.
.
Execute the following command to check the configuration of the md
device:
# cat /proc/mdstat
Personalities : [linear]
md0 : active linear sddlmaa1[0]
5238528 blocks [2/2] [UU]
unused devices: <none>
Make sure that md0 : active and the HDLM devices are displayed:
3 Execute the following command to deactivate the md device:
.
# mdadm -Ss /dev/md0
4 Make sure that the md device has been deactivated.
.
In the following example, the LINEAR function is used for the md device:
# cat /proc/mdstat
Personalities : [linear]
unused devices: <none>
Make sure that md0 : active is not displayed.
5 Check the correspondence with HDLM device.
.
Execute the HDLM-configuration definition utility dlmcfgmgr with the -v
parameter specified:
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Linux(R))
MULTIPATH Functionality)
Migrating to md Devices for which the MULTIPATH
3-209.
3-213