The table below shows preparatory tasks and whether they must be performed before updating HiRDB at the main site and the remote site. For details about each task, see the HiRDB Version 9 Installation and Design Guide.

Table C-1 Whether preparatory tasks must be executed at the main site and the remote site

Preparation item before updating	Main site	Remote site
Checking for free space	Y	N
Backing up the system RDAREA	Y#1	N#1
Canceling library sharing	Y	Y
Checking for memory capacity	Y	Y
Checking whether HiRDB is running	Y	N#2
Normally terminating HiRDB	Y	N#2
Checking the memory requirement	Y	Y
Checking the OS operating system parameters	Y	Y
Checking the total number of records in the system log file	Y	N
Backing up the files under the HiRDB directory	Y#3	Y#3
Upgrading optional program product versions	Y	Y

Legend:

Y: Preparation is required.

N: Preparation is not required.

#1

Back up the system RDAREA at the main site. Copy the backup you made to the remote site before starting the update process.

#2

This operation is not required if HiRDB is running at the main site.

#3

Back up of the files under the HiRDB directory at both the main site and the remote site. The backup from the main site cannot be used at the remote site, and the backup from the remote site cannot be used at the main site.

The table below shows the update tasks and whether they must be executed at the main site and the remote site. For details about each task, see the HiRDB Version 9 Installation and Design Guide.

Table C-2 Whether update tasks must be executed at the main site and the remote site

Update task	Main site	the remote site
Removing the earlier version of HiRDB	Y	Y
Installing the new version of HiRDB	Y#1	Y#1
Registering the new version of HiRDB in the OS	Y#2	Y#2
Modifying the HiRDB definitions	--	--
Starting HiRDB	Y	N
Executing the pdvrup command	Y	N
Backing up the system RDAREA	Y	N#3

Legend:

Y: Task is required.

--: Perform the task as needed.

N: Task is not required.

#1

Install the same new version of HiRDB at both the main and remote sites. The HiRDBs being installed at the main and remote sites must match in version, revision, addressing mode, and update version code (XX-XX-XX: underlined part).

#2

Execute the pdvrup command at both main site and the remote site to register the new version of HiRDB in the OS. During this step, use the same character code at the main and remote sites.

#3

Back up the system RDAREA at the main site and copy the backup to the remote site before starting the update process.