HP XP P9500 Storage - Manual (Page 168)

$ rmdev -dev vtscsin
If the boot disk is in a single-path configuration, proceed to step 12.
9
.
If the boot disk is in a multi-path configuration, execute the following
command to shut down the host.
# shutdown -F
10
.
Configure the host and storage system so that only a single path connects
the host to the storage system (single-path configuration).
11
.
Start the host.
12
.
Execute the following command to unmount the file system used by
HDLM:
# umount file-system-mount-point
13
.
Execute the following command to inactivate volume groups other than
rootvg:
# varyoffvg volume-group-name
14
.
Execute the following command to remove the hdisks recognized as HDLM
management-target devices from the running kernel, and then stop the
HDLM manager:
# /usr/DynamicLinkManager/bin/dlmrmdev
The KAPL09012-I message appears.
If the KAPL09012-I message is not displayed, the HDLM driver has not
been deleted, or the HDLM manager has not stopped. Make sure that no
process, service, file system, or volume group is using the HDLM
management-target path, and then re-execute the above command.
15
.
Execute the following command to make sure that the hdisk recognized
as the device to be managed by HDLM has been deleted:
# lsdev -Cc disk
16
.
Execute the HDLM pre-remove utility dlmpreremove.
# /usr/DynamicLinkManager/bin/dlmpreremove
If you execute the dlmpreremove utility, the hdisk recognized as a boot
disk stops being the HDLM's management target. When the command
terminates normally, the following message appears:
KAPL13103-I HDLM can be removed after rebooting the host.
KAPL13101-I The dlmpreremove utility completed successfully.
If the KAPL13108-E message is displayed, the hdisk for the device that is
managed by HDLM still remains. Re-execute the procedure starting from
step 14.
If the KAPL13110-E message is displayed, the multi-path configuration
still remains. Re-execute the procedure starting from step 9.
17
.
Restart the host.
3-102
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide for AIX ®