HP XP P9500 Storage - Manual (Page 188)

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:
# /usr/DynamicLinkManager/bin/dlnkmgr view -path
If you deleted all devices, check that the following message appears:
KAPL01019-W The target path was not found. Operation name = view
If you deleted a specific device, check that the deleted device (hdisk
name) is no longer displayed.
Changing an HDLM Management-Target Device
Note
If you execute the chdev command while a path is in error status, that
path will be deleted. In such a case, first recover from the path error,
then re-execute the cfgmgr command, and finally perform the following
steps:
1
.
Inactivate the volume group used by HDLM.
# varyoffvg volume-group-name
2
.
Execute the chdev command to change attributes.
The following example changes the queue depth and timeout value:
# chdev -l hdisk-name -a queue_depth=8 -a rw_timeout=60
3
.
Inactivate the volume group used by HDLM.
# varyonvg volume-group-name
4-16
HDLM Operation
Hitachi Dynamic Link Manager User Guide for AIX ®