HP Hitachi Dynamic Link Manager Software Licenses User Manual

Page 286

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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 4-63

in

Changing the HDLM Device Configuration on page

4-57

.

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.

3-214

Creating an HDLM Environment

Hitachi Dynamic Link Manager (for Linux®) User Guide

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