Hitachi XP P9500 User Manual page 188

3. Creating an HDLM Environment
For details on setting up LUKS, see 3.8 Settings for LUKS.
16. If md devices are used, execute the following command to activate them:
# mdadm -A -scan
mdadm: /dev/md0 has been started with 2 drives.
17. If md devices are used, execute the following command to make sure that they
have been deactivated.
In the following example, RAID1 (mirroring) is used:
# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sddlmaa1[0] sddlmab1[1]
5238528 blocks [2/2] [UU]
unused devices: <none>
Make sure that
displayed.
18. Specify the settings required for using the volume management software.
If you performed the operations described in (3) Deactivating the Volume Group
in 3.6.3 Preparations for an Upgrade Installation or Re-installation of HDLM,
perform the following steps to activate the volume group:
If you did not perform step 13:
Go to step 19.
If you performed step 13:
Go to step 20.
If you do not use the volume management software, go to step 22.
For details on other settings for the volume management software, see
3.10 Settings for LVM2.
19. Activate the volume group.
In the following example, the logical volume subject to the move belongs to the
volume group:
vg01
# vgchange -ay vg01
vgchange -- volume group "vg01" successfully activated
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is displayed and that the HDLM devices are
md0 : active