Hitachi Dynamic Link Manager Software Users Guide for AIX (6.6) (T5208-96010, April 2011)

4. HDLM Operation
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4.5 Changing the Configuration of the HDLM Operating Environment
This chapter describes the procedures for changing the configuration of an HDLM
operating environment.
4.5.1 Changing an HDLM Management-Target Device
This subsection explains how to add and delete HDLM management-target devices
and how to change their attributes.
(1) Adding an HDLM Management-Target Device
Connect the device to the system and execute the following command:
# cfgmgr
(2) Deleting an HDLM Management-Target Device
1. Execute the following command to check the device (hdisk) to be deleted:
# /usr/DynamicLinkManager/bin/dlnkmgr view -path
2. Stop all processes and services that are using the device that is to be deleted.
3. Execute the following command to unmount the file system that uses the device
that is to be deleted:
# umount
file-system-mount-point
4. If the device to be deleted is registered in a volume group, execute the following
command to inactivate the volume group:
# varyoffvg
volume-group-name
5. Execute the following command to delete the device (or devices):
• To delete all devices
# /usr/DynamicLinkManager/bin/dlmrmdev
• To delete a specific device
# rmdev -dl hdisk-name
6. Execute the following command to check that device deletion was successful: