HP XP P9500 Storage - Manual (Page 290)

When the dlmsetconf utility is executed, the KAPL10242-I message will
be displayed prompting you to confirm the deletion of the logical device
files for the sd or ssd device.
If you respond by entering y, and then execute the dlmsetconf utility and
restart the node, with the reconfiguration option specified, the logical
device files of the sd or ssd device to be managed by HDLM will be
deleted. If the logical device files are already backed up, enter y and
execute the dlmsetconf utility. If the files are not backed up, respond by
entering n, and then cancel processing for the dlmsetconf utility. In this
case, back up the logical device files and execute the dlmsetconf utility,
by referring to step 4 in Performing Operations on Devices to Be Managed
by HDLM on page 3-45 of Preparations for a New Installation of HDLM on
page 3-45 .
When the dlmsetconf utility is executed and then the host is restarted
with the reconfiguration option specified, all sd or ssd devices connected
to the host will be set to be managed by HDLM.
Note
Restart the nodes simultaneously as shown in steps 12 and 13, after
the setup for LUs newly recognized on all nodes has completed.
11
.
If you are using VxVM, you need to disable, from VxVM, any devices
(such as sd or ssd devices) other than the HDLM devices corresponding to
the added LU.
Specify settings according to
Removing Devices from VxVM on a
Controller Basis on page 3-156 or Removing Devices From VxVM on a
Path Basis on page 3-160 of Removing Devices from VxVM on page
3-154 .
12
.
Stop all nodes in the cluster.
If the key is displayed in step 4, and nodes are running in non-cluster
mode in step 6, execute the following commands on all nodes:
# shutdown -g0 -y -i0
When running nodes in cluster mode, execute the following command on
any node:
# /usr/cluster/bin/scshutdown -g0 -y
13
.
Start all nodes in the cluster simultaneously, in cluster mode.
At the ok prompt, execute the boot -r command.
Note
The following message might be output to the console window or
syslog while the node is running:
Could not read symbolic link for: /dev/rdsk/
c3t50060E80033A9902d2s2 path not loaded
This message is output when HDLM deletes a logical device file for an
sd or ssd device managed by HDLM. Perform the procedure for
updating the device ID information (steps 17 to 20) so that this
4-28
HDLM Operation
Hitachi Dynamic Link Manager User Guide for Solaris ®