5.6 Backout Last Official Software Update(s)
OVERVIEW
This procedure allows up to three software updates previously made official to be
backed out. If the update files in /etc/bwm were cleared, it will not be possible to
re-apply these overwrites without first replacing the files in /etc/bwm from SCANS or
tape.
Warning: At any point of this procedure, an Administrative Workstation (AW)
initialization may be required. If this is necessary, the AW initialization
process is NOT service-impacting, however, video terminal and data link
access will be unavailable and the switching module will be ISOLATED for
about 4 to 5 minutes.
PROCEDURE
1. At the MCC Page 1950, Program Update Maintenance, type and enter: 9900
2. After the command is entered, you will be asked to confirm your decision by
typing Y/N. IN PROGRESS appears if response is Y.
Response: IN PROGRESS appears next to 9900 command line.
Note: If the software update contains updates with TARGET=EMULATOR,
depending on the update package an initialization may be required to deactivate
the update.
3. Access MCC Page 1990
Response: EXECUTE UPD:INIT:EMULATOR TO DEACTIVATE UPDATE
(a) Using the RESPONSE field on MCC Page 1990, is an initialization of the
emulator required?
If YES, continue with Step 3b.
If NO, go to Step 4.
(b) Write AMA data to disk. Type and enter:
WRT: AMADATA;
Response: REPT AMA DISK WRITER FOR STREAM ST1
RECORDING TO DISK SUSPENDED
REPT AMA DISK WRITER FOR STREAM ST1
RECORDING TO DISK RESUMED
(c) Request 3B21 emulator initialization. Type and enter:
UPD:INIT:EMULATOR;
Response: AW completes emulator initialization. MCC displays EAI Page
followed the 111 Page.
(d) After initialization completes, return to MCC page 1950.
4. Did command complete successfully and is COMPLETED displayed next to the
9900 command?
If YES, continue with the next step.
If NO, repeat Step 2. If command continues to fail, seek technical assistance.
235-200-150
November 2003
ROUTINE MAINTENANCE
Procedure 5.6
Issue 3.00F Page 5.6-1
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