OpenVMS Cluster Systems - OpenVMS Systems - HP

Configuring an OpenVMS Cluster System
8.4 Changing Computer Characteristics
Table 8–9 (Cont.) Tasks Involved in Changing OpenVMS Cluster Configurations
Task Procedure
Note: The following procedures assume that the system disk containing satellite
roots will reside on an HSC disk (for CI configurations) or an RF disk (for DSSI
configurations).
• If the boot server can be configured as a CI or DSSI computer, proceed as
follows:
1. Log in as system manager on the boot server and perform an image
backup operation to back up the current system disk to a disk on an
HSC subsystem or RF storage device. (For more information about backup
operations, refer to the OpenVMS System Management Utilities Reference
Manual.)
2. Modify the computer’s default bootstrap command procedure to boot the
computer from the HSC or RF disk, according to the instructions in the
appropriate system-specific installation and operations guide.
3. Shut down the cluster. Shut down the satellites first, and then shut down
the boot server.
4. Boot the boot server from the newly created system disk on the HSC or RF
storage subsystem.
5. Reboot the satellites.
• If your current boot server cannot be configured as a CI or a DSSI computer,
proceed as follows:
1. Shut down the old local area cluster. Shut down the satellites first, and
then shut down the boot server.
2. Install the OpenVMS operating system on the new CI computer’s HSC
system disk or on the new DSSI computer’s RF disk, as appropriate. When
the installation procedure asks whether you want to enable the LAN for
cluster communications, answer YES.
3. When the installation completes, log in as system manager, and configure
and start the DECnet for OpenVMS network as described in Chapter 4.
4. Execute the CHANGE function of either CLUSTER_CONFIG_LAN.COM or
CLUSTER_CONFIG.COM to enable the computer as a boot server.
5. Log in as system manager on the newly added computer and execute the
ADD function of either CLUSTER_CONFIG_LAN.COM or CLUSTER_
CONFIG.COM to add the former LAN cluster members (including the
former boot server) as satellites.
• Reconfigure the cluster according to the postconfiguration instructions in
Section 8.6.
(continued on next page)
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