HP XP P9500 Storage User Manual

Page 229

ARRAY /dev/md0 level=raid1 num-devices=2

UUID=e39a6b15:32e48a5d:ca05f4db:25bc8af9 auto=yes

Execute the following command to deactivate the md device.

# mdadm -Ss /dev/md0

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

# cat /proc/mdstat

Personalities : [raid1]

unused devices:

Make sure that md0 : active is not displayed.

Check the correspondence between the HDLM devices and SCSI devices.
Check the correspondence by executing the HDLM-configuration definition

utility dlmcfgmgr with the -v parameter specified:

# dlmcfgmgr -v

HDevName Management Device Host Channel Target Lun

/dev/sddlmaa configured /dev/sdh 1 0 0 0

/dev/sddlmab configured /dev/sdi 1 0 0 1

KAPL10302-I /sbin/dlmcfgmgr completed normally.

The HDevName and Device columns display HDLM devices and SCSI

devices, respectively.

Edit the configuration file.
Based on the correspondence between the HDLM devices and SCSI

devices checked in step 13, change the SCSI device names on the DEVICE

line to the HDLM device names.

Before the correction:

DEVICE /dev/sdh1 /dev/sdi1

After the correction:

DEVICE /dev/sddlmaa1 /dev/sddlmab1

When you edit the DEVICE line, change only the device names. Do not

change the partition numbers.

If the disk partition type of the HDLM device is fd, change the type to 83.
The following example shows how to execute the fdisk command to

change the disk partition type to 83:

# fdisk /dev/sddlmaa

Command (m for help): p

Creating an HDLM Environment

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Hitachi Dynamic Link Manager User Guide (for Linux(R))

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