Environment to an hdlm device -202 – HP Hitachi Dynamic Link Manager Software User Manual

Page 274

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When Moving a Logical Volume Created on a SCSI Device in a Single-

Path Environment to an HDLM Device

This subsection explains the procedure for moving a logical volume created

on a SCSI device in a single-path environment to an HDLM device in a multi-

path environment. Use the following procedure to configure the environment

in

Figure 3-30 Device Configuration When a Logical Volume on a SCSI Device

Is Moved to an HDLM Device on page 3-202

.

Figure 3-30 Device Configuration When a Logical Volume on a SCSI Device

Is Moved to an HDLM Device

In

Figure 3-30 Device Configuration When a Logical Volume on a SCSI Device

Is Moved to an HDLM Device on page 3-202

, sdn indicates the different LUs.

sddlmad1 and sddlmad2 indicate the HDLM devices corresponding to each LU.

To move the logical volume to an HDLM device:

1

.

Make sure that HDLM has been installed.
Execute the rpm command to make sure that HDLM has been installed.

# rpm -q HDLM

HDLM-x.x.x.x.xxx-x

2

.

Make sure that the path is a single path.
Execute the HDLM-configuration definition utility (dlmcfgmgr) with the -v

parameter specified to make sure that the path to the LU is a single path.

# dlmcfgmgr -v

3-202

Creating an HDLM Environment

Hitachi Dynamic Link Manager User Guide for Linux

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