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235-200-150
November 2003
5.7
Backout Software Update
OVERVIEW
This procedure can be used to backout software updates which are in the temporary or
soaking state.
Warning: During the execution of the Backout Software Update 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.
Note:
To backout the last official software update, refer to "Backout Last
Official Software Update(s)," Procedure 5.6.
PROCEDURE
1.
Access MCC Page 1990, SU INSTALLATION page.
Is software update number displayed to the right of "SU INSTALLATION OF"
the software update that needs to be backed out?
If YES, continue with Step 3.
If NO, continue to Step 2.
2.
At the MCC Page 1990, in order to start the software update process, type and
enter:
9,"yyyyyyyyyy"
y . . . y = 6-digit or 10-digit software update number.
Where:
Response:
On MCC Page 1990, status of software update is displayed in stage
box and RESPONSE line.
Message file displayed for next section to be executed.
3.
At the MCC Page 1990, type and enter: 6 to backout software update.
Response:
EXECUTE ALL COMPLETED: BACKOUT SECTION
Note:
If the software update contains an update with TARGET=EMULATOR,
depending on the update package, an initialization may be required to deactivate
the update.
Response:
EXECUTE UPD:INIT:EMULATOR TO DEACTIVATE UPDATE
(a)
Using the RESPONSE field of 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:
Issue 3.00F
REPT AMA DISK WRITER FOR STREAM ST1
RECORDING TO DISK SUSPENDED
REPT AMA DISK WRITER FOR STREAM ST1
RECORDING TO DISK RESUMED
ROUTINE MAINTENANCE
Procedure 5.7
Page 5.7-1
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