Switch The Kernel Mode; Set Up Cluster Software - Hitachi XP P9500 User Manual

# cfgmgr
# lsdev -Cc disk

Switch the Kernel Mode

Before installing HDLM, decide which kernel mode you will use to operate
AIX, and change to the desired kernel mode if necessary.
The following shows how to switch the kernel mode.
1 Check the kernel mode currently being used.
.
Execute the following command.
# bootinfo -K
32 will be displayed when the 32-bit kernel is being used, and 64 will be
displayed when the 64-bit kernel is being used.
2 Switch the kernel mode.
.
When AIX is running, change the symbolic link for /usr/lib/boot/unix
and /unix to switch the current kernel mode to the desired mode.
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3 Execute the bosboot command.
.
# bosboot -ad /dev/ipldevice
4 Restart the system.
.
# shutdown -Fr
5 Execute the following command to confirm that the kernel mode has been
.
changed properly.
# bootinfo -K

Set Up Cluster Software

To use HDLM in a cluster configuration, you need to perform the following
setup for the cluster software.
To set up cluster software:
1 Install the cluster software on all of the hosts in the cluster.
.
For details on the installation, see the documentation of the
corresponding cluster software.
2 Stop the cluster software services.
.
For details on how to stop the services, see the documentation of the
corresponding cluster software.
The path for the 64-bit kernel mode
/usr/lib/boot/unix_64
The path for the 32-bit kernel mode
/usr/lib/boot/unix_up (for a uni-processor)
/usr/lib/boot/unix_mp (for a multi-processor)
Creating an HDLM Environment
Hitachi Dynamic Link Manager User Guide (for AIX(R))
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