HP XP Racks - Manual (Page 195)

To manually reconfigure an hdisk:
1
.
Log in to AIX as a user with root permissions.
Reconfigure the HDLM device. Proceed to step 2 to automatically perform
the processing needed to unmount for reconfiguration, and processing to
change the active status of the volume group. Proceed to step 3 to
perform these actions manually.
2
.
Execute the utility for deleting HDLM drivers (dlmrmdev) with the -e
parameter and -A parameter specified.
# /usr/DynamicLinkManager/bin/dlmrmdev -e -A
For details on the dlmrmdev utility, see dlmrmdev Utility for Deleting
HDLM Drivers on page 7-30 .
If the command terminates normally, the KAPL10531-I message is
displayed.
If the KAPL10531-I message is not displayed, make sure that HDLM-
managed paths are not being used by a process, service, file system, or
volume group, and then perform step 2 again.
If the dlmrmdev utility is executed properly, proceed to step 7.
3
.
Execute the following command to unmount the file system used by
HDLM.
# umount file-system-mount-point
4
.
Execute the following command to display all the activated volume
groups.
# lsvg -o
5
.
Among the displayed volume groups, inactivate the volume groups used
by HDLM.
# varyoffvg volume-group-name
6
.
Execute the dlmrmdev utility with the -e parameter specified.
# /usr/DynamicLinkManager/bin/dlmrmdev -e
If the command terminates normally, the KAPL10531-I message is
displayed. If the KAPL10531-I message is not displayed, make sure that
HDLM-managed paths are not being used by a process, service, file
system, or volume group, and then perform step 6 again.
7
.
Execute the following command to make sure that the status of the
hdisks recognized as HDLM-managed devices is Defined.
# lsdev -Cc disk
hdisk0 Available 1S-08-00-8,0 16 Bit LVD SCSI Disk Drive
hdisk1 Available 1S-08-00-9,0 16 Bit LVD SCSI Disk Drive
hdisk2 Available 1S-08-00-10,0 16 Bit LVD SCSI Disk Drive
hdisk3 Defined 1H-08-02 Hitachi Disk Array (Fibre)
hdisk4 Defined 1H-08-02 Hitachi Disk Array (Fibre)
...
In this example, hdisk3 and hdisk4 are recognized as HDLM-managed
devices.
HDLM Operation
4-19
Hitachi Dynamic Link Manager (for AIX) User Guide