HP XP P9500 Storage - Manual (Page 102)

Preparations for an Upgrade Installation or Re-installation of HDLM
Make necessary preparations, such as backing up the HDLM management-
target devices.
When using HDLM in a cluster configuration, make sure to perform the
operations described in the following sub-sections on all hosts that comprise
the cluster.
Stop Applications
HDLM manager stops during an upgrade installation or re-installation, so stop
any applications that require HDLM manager operations before you start the
upgrade installation or re-installation.
Perform Operations for HDLM Management-Target Device
1
.
Terminate the processes of all applications that are accessing the HDLM
management-target devices.
2
.
If necessary, back up all HDLM management-target devices to a medium
such as tape.
3
.
Unmount the disks.
If the HDLM management-target devices are mounted, unmount them as
follows:
¢
First, execute the command below to check the current settings.
# mount -p
The current settings will be output as follows:
Figure 3-3 Example of Results from Executing the Mount -p
Command (Preparations for an Upgrade Installation or Re-
installation of HDLM)
In this example, assume that HDLM manages the shaded portion of
the devices.
¢
Execute the following command to unmount the disk.
# umount /mntpt
4
.
Execute the following command to inactivate the applicable volume
group:
# varyoffvg volume-group-name
3-36
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide for AIX ®