Compaq AAR-88LB-TE - Manual (Page 17)

Installation
2.8 Memory and Disk Requirements
Table 2–2 OpenVMS Disk Requirements
Requirement RTR Version 2 RTR Version 3
Disk space
(installation) 40,000 blocks (20MB) 50,000 blocks (25MB)
Disk space
(permanent) 24,000 blocks (12MB) 36,000 blocks (18MB)
2.9 Rollback to RTR Version 2
To restore the RTR Version 2 environment if RTR Version 3 does not work with
your applications as expected, use the following procedure:
1. In the RTR Version 3 environment, stop all clients so that no new transactions
can be initiated.
2. Monitor the RTR Version 3 journal to check the status of all current
transactions. Once all transactions are complete and the journal is empty,
you can proceed to the next step.
3. When all transactions are complete, and the journal file is empty, delete the
journal, and shut down the entire RTR Version 3 environment as follows:
a. Shut down RTR applications.
b. Shut down RTR Version 3.
$ RTR STOP RTR
$ RTR DISCONNECT SERVER
c. Remove RTR Version 3 by issuing the following command:
$ product remove RTR
d. Deassign the logical name RTRSHR with the OpenVMS DCL command:
DEASSIGN/SYSTEM/EXEC "RTRSHR"
e. Install RTR Version 2 using VMSINSTAL.
– Answer yes to the VMSINSTAL questions on purging files replaced by
the installation, and running the IVP.
– If you receive the message "The IVP has completed successfully" ,
RTR has been successfully installed.
f. Bring up RTR Version 2 including performing the following tasks:
i Start RTR Version 2.
ii Create the RTR Version 2 journal.
iii Create the RTR Version 2 operating environment.
iv Start the RTR Version 2 application.
Installation 2–5