Hitachi XP P9500 User Manual page 324

3. Creating an HDLM Environment
# vgchange -an vg01
0 logical volume(s) in volume group "vg01" now active
4. Export the volume group.
In the following example, the command exports information about the
volume group:
# vgexport vg01
Volume group "vg01" successfully exported
5. If the LVM environment uses an HDLM device in a multi-path configuration,
configure the path to an existing LU as a single path.
Change the path to an existing LU as a single-path configuration by performing
the procedure described in (5) Deleting a Path to an Existing LU in
4.6.4 Changing the HDLM Device Configuration.
Note
When you restart the host, if the
about mounting the target logical volume, comment out the description.
Also, stop the applications that access the target logical volume.
6. Edit the
/etc/lvm/lvm.conf
Edit the device section in the file as shown below to enable the SCSI device
configuration and disable the HDLM device configuration:
• Adding and deleting the
Add the following line:
filter = [ "r|sddlm[a-p][a-p].*|", "a|/dev/sd|" ]
Delete or comment out the following line:
filter = [ "a|sddlm[a-p][a-p].*|", "r|/dev/sd|" ]
• Adding and deleting
Delete or comment out the following line:
types = [ "sddlmfdrv", 16 ]
To uninstall HDLM, perform the following operations:
Delete
and
Delete the comment out character (#) from the
definition file to the state it was in before the HDLM device configuration was
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filter
types
filter = [ "a|sddlm[a-p][a-p].*|", "r|/dev/sd|" ]
types = [ "sddlmfdrv", 16 ]
file contains a description
/etc/fstab
file.
entry information
entry information
.
filter
vg01
entry to return the