HP Hitachi Dynamic Link Manager Software - Manual (Page 311)

In the following example, the command exports information about the
vg01 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 Deleting a Path to an Existing LU
on page 4-42 in Changing the HDLM Device Configuration on page
4-36 .
Note
When you restart the host, if the /etc/fstab file contains a
description 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 file.
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 filter entry information
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 types entry information
Delete or comment out the following line:
types = [ "sddlmfdrv", 16 ]
To remove HDLM, perform the following operations:
Delete filter = [ "a|sddlm[a-p][a-p].*|", "r|/dev/sd|" ] and
types = [ "sddlmfdrv", 16 ].
Delete the comment out character (#) from the filter entry to return
the definition file to the state it was in before the HDLM device
configuration was enabled.
Below is an example of editing the file when the OS is SUSE LINUX
Enterprise Server 11. The shaded parts show the locations that were
edited.
Creating an HDLM Environment
3-239
Hitachi Dynamic Link Manager User Guide for Linux ®