HP Hitachi Dynamic Link Manager Software Licenses User Manual

Page 239

Advertising
background image

Disk /dev/sddlmaa: 5368 MB, 5368709120 bytes

166 heads, 62 sectors/track, 1018 cylinders

Units = cylinders of 10292 * 512 = 5269504 bytes

Device Boot Start End Blocks Id System

/dev/sddlmaa1 1 1018 5238597 fd Linux raid

autodetect

Command (m for help): t

Selected partition 1

Hex code (type L to list codes): 83

Changed system type of partition 1 to 83 (Linux)

Command (m for help): p

Disk /dev/sddlmaa: 5368 MB, 5368709120 bytes

166 heads, 62 sectors/track, 1018 cylinders

Units = cylinders of 10292 * 512 = 5269504 bytes

Device Boot Start End Blocks Id System

/dev/sddlmaa1 1 1018 5238597 83 Linux

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

Also perform the above operation for /dev/sddlmab.

16

.

Execute the following command to activate the md device:

# mdadm -As /dev/md0

mdadm: /dev/md0 has been started with 2 drives.

17

.

Make sure that the md device has been activated.
In the following example, RAID1 (mirroring) is used for the md device:

# cat /proc/mdstat

Personalities : [raid1]

md0 : active raid1 sddlmaa1[0] sddlmab1[1]

5238528 blocks [2/2] [UU]

unused devices: <none>

Make sure that md0 : active and the HDLM devices are displayed.

18

.

If you need to mount the file systems on the md device, mount them.

19

.

Add a path to the LU.
Connect a path to the corresponding LU and then restart the host, or add

a path to an existing LU by performing the procedure described in

Adding

a Path to an Existing LU on page 4-61

in

Changing the HDLM Device

Configuration on page 4-57

.

When the MULTIPATH Function Is Being Used for md Devices

The following explains the procedure to use HDLM in an md device

environment where the MULTIPATH function is being used. To use HDLM, you

need to disable md device's MULTIPATH function. The example below explains

Creating an HDLM Environment

3-167

Hitachi Dynamic Link Manager (for Linux®) User Guide

Advertising
This manual is related to the following products: