Creating an md device, Creating an md device -186 – HP Hitachi Dynamic Link Manager Software User Manual

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Creating an md Device

This subsection explains the procedure for creating a new md device in a

multi-path environment in which HDLM has been installed.

During this procedure, /dev/md0 is created on /dev/sddlmaa1 and /dev/
sddlmab1. Use the following procedure to configure the environment shown in

Figure 3-25 Device Configuration When Creating an md Device on an HDLM

Device on page 3-186

.

Figure 3-25 Device Configuration When Creating an md Device on an

HDLM Device

To create an md device:

1

.

Create a disk partition.
Specify the disk partition type 83 when you create a disk partition.
The following example shows how to execute the fdisk command to

create a disk partition:

# fdisk /dev/sddlmaa

Command (m for help): n

Command action

e extended

p primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1018, default 1):

Using default value 1

Last cylinder or +size or +sizeM or +sizeK (1-1018, default

1018):

Using default value 1018

Command (m for help): t

Selected partition 1

Hex code (type L to list codes): 83

Command (m for help): p

3-186

Creating an HDLM Environment

Hitachi Dynamic Link Manager User Guide for Linux

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