Canceling The Luks Settings; Uninstalling Hdlm - Hitachi XP P9500 User Manual

Note that, in step 13 in
Function Is Not Used on page
host is restarted. However, there are no operational problems.

Canceling the LUKS Settings

This subsection describes how to migrate LUKS from a HDLM device
environment using LUKS to SCSI devices.
To migrate from /dev/sddlmaa to /dev/sdh:
1 Change the multi-path configuration to a single-path configuration.
.
2 Check the SCSI device to be migrated from the HDLM device.
.
Execute the HDLM-configuration definition utility (dlmcfgmgr) with the -v
parameter specified to check the correspondence between the SCSI
device and the HDLM device.
The following shows an example of executing the dlmcfgmgr utility with
the specified-v parameter:
# dlmcfgmgr -v
HDevName
/dev/sddlmaa configured
/dev/sddlmab configured
KAPL10302-I /sbin/dlmcfgmgr completed normally.
#
The HDLM devices are listed in the HDevName column, and the SCSI
devices are listed in the Device column.
3 Execute the following command to check the correspondence between the
.
UUID and the SCSI device name.
In this command, specify the SCSI device name checked in step 2.
# cryptsetup luksUUID /dev/sdh
050f9901-3ab8-4556-a091-9c6e4a404f09
#
4 In the /etc/crypttab file's second field, change the setting to the UUID
.
output executed in step 3.
Before:
After:

Uninstalling HDLM

This subsection describes how to uninstall HDLM.
3-216
Management
:
:
luks-volume /dev/sddlmaa /etc/cryptpassword
luks-volume UUID="050f9901-3ab8-4556-a091-9c6e4a404f09" /etc/
cryptpassword
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for Linux(R))
Migrating to md Devices for which the MULTIPATH
3-209, [linear] will be displayed until the
Device Host Channel Target Lun
/dev/sdh 1
/dev/sdj 1
0 0 0
0 0 1