OSI/TS Management Programming Manual

Event-Message Descriptions
Event Messages
6–10 056786 Tandem Computers Incorporated
ZOS4-VAL-CAUSE-SWITCH
The operator issued the SCF PRIMARY command.
ZOS4-VAL-CAUSE-UNKWN
Some other cause resulted in a takeover.
ZOS4-TKN-CPU
is a conditional token, present if the value of ZOS4-TKN-TKOVR-CAUSE is ZOS4-
VAL-CAUSE-CPU. It contains the CPU number of the primary CPU that went
down.
Probable Cause
The reason for the takeover is reported by the ZOS4-TKN-TKOVR-CAUSE token.
Either the primary process stopped or terminated abnormally, the primary CPU went
down, an operator issued the SCF PRIMARY command, or there was some unknown
cause.
Recommended Action
No action is necessary. The backup process was started automatically.