Changing A Device Managed By Hdlm Into One Not Managed By Hdlm; Changing A Device Not Managed By Hdlm Into One Managed By Hdlm - Hitachi XP P9500 User Manual

# /sbin/dlmcfgmgr -v

Changing a Device Managed by HDLM into One Not Managed by HDLM:

The following operation can be done without restarting the host.
To change a device managed by HDLM into one not managed by
HDLM:
1 Stop all accesses to the relevant LU.
.
2 Execute the HDLM-configuration definition utility (dlmcfgmgr -v) to check
.
if the device you want to exclude from HDLM management is being
managed by HDLM.
The following is an example of executing the dlmcfgmgr utility:
# /sbin/dlmcfgmgr -v
If the Management status of the relevant HDLM device is represented as
configured in the execution result, this means that the device is
managed by HDLM.
3 Execute the dlmcfgmgr utility (dlmcfgmgr -
.
ological_device_file_name_of_HDLM_device ) on the relevant device
you want to exclude from HDLM management.
The specified device is excluded from HDLM management.
The following is an example of executing the dlmcfgmgr utility:
# /sbin/dlmcfgmgr -o name-of-logical-device-file-for-HDLM-device
4 Refer to /var/opt/DynamicLinkManager/log/dlmcfgmgr1.log or
.
execute the dlmcfgmgr utility (dlmcfgmgr -v) or the view operation
(dlnkmgr view -path) of the dlnkmgr command to make sure that the
relevant device is no longer managed by HDLM.
The following is an example of executing the dlmcfgmgr utility:
# /sbin/dlmcfgmgr -v

Changing a Device Not Managed by HDLM Into One Managed by HDLM

The following operation can be done without restarting the host.
To change a device not managed by HDLM into one managed by
HDLM:
1 Stop all accesses to the relevant LU.
.
2 Execute the HDLM-configuration definition utility (dlmcfgmgr -v) to check
.
if the device you want HDLM to manage is not being managed.
If the Management status of the relevant HDLM device is represented as
unconfigured in the execution result, the device is not being managed by
4-40
HDLM Operation
Hitachi Dynamic Link Manager User Guide (for Linux(R))