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ZCOM-TKN-OLD-PATH is the primary PATH before the switch took
place.
It corresponds to the value of path1 in the message text.
The possible values are ZCOM-VAL-PATH-A (displayed as A), ZCOM-
VAL-PATH-B (displayed as B), and ZCOM-VAL-PATH-UNDEF (undefined).
ZCOM-TKN-CAUSE-PATH-SWITCH is the reason the PATH was switched to
the backup path.
message text.
The possible values are:
Value
ZCOM-VAL-OP-REQ
ZCOM-VAL-HW
ZCOM-VAL-TAKOVR
Volatile Tokens
ZEMS-TKN-CU is a standard EMS token that contains the controller
and unit number.
if the controller uses subchannel-type I/O addressing.
Event-Message Text
In the message text, ldev corresponds to the value of ZEMS-TKN-
LDEV, n,n,%nn,%nnn corresponds to the value of ZEMS-MAP-EXIOADDR,
ldevname corresponds to the value of ZEMS-TKN-LDEVNAME, path1
corresponds to the value of ZCOM-TKN-OLD-PATH, path 2 corresponds
to the value of ZCOM-TKN-NEW-PATH, and reason corresponds to the
value of ZCOM-TKN-CAUSE-PATH-SWITCH.
It corresponds to the value of reason in the
Corresponding Text
OPERATOR REQUESTED
of HARDWARE OR LOW LEVEL
SOFTWARE PROBLEM
TAKEN OVER BY PRIMARY
This token is present in the event buffer only
TR3271 EVENT MANAGEMENT
-2: ZCOM-EVT-PATH-SWITCH
7-67
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