z/OS MVS System Messages, Vol 3 (ASB-BPX)
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ATB210E

z/OS MVS System Messages, Vol 3 (ASB-BPX)
SA38-0670-00

ATB210E
A LOG NAME EXCHANGE INITIATED BY LU luname1 WITH LU luname2 HAS FAILED. LU luname3 DETECTED A WARM/COLD MISMATCH. AS A RESULT, SOME LOGICAL UNITS OF WORK MIGHT NOT BE AUTOMATICALLY RESOLVED BY RESYNCHRONIZATION AND NO NEW PROTECTED CONVERSATIONS MAY BE ALLOCATED BETWEEN THE TWO LOGICAL UNITS UNTIL THE MISMATCH IS RESOLVED. REASON: reason

Explanation

This message is issued during an exchange log name transaction when the local LU or partner LU has detected a warm/cold log status mismatch. An exchange log name transaction is initiated following a session failure or at first session initiation after system restart.

In the message text:
luname1
The name of the logical unit that initiated the log name exchange
luname2
The name of the logical unit that is the target of the exchange log name
luname3
The name of the logical unit that detected the exchange log name error.
reason
One of the following:
COLD LOG STATUS REJECTED BY INITIATOR
The initiator of an exchange log name transaction rejected the local LU cold-log status because the initiating LU has incomplete units of work on its log that require resynchronization with the local LU.
RESYNC WORK EXISTS WITH THE PARTNER LU
The initiator of an exchange log name transaction detected that the partner LU has reported a cold-log status. The cold-log status is rejected because the initiating LU has incomplete units of work on its log that require resynchronization with the partner LU.
COLD LOG STATUS REJECTED BY PARTNER
The partner in an exchange log name transaction rejected the initiator LU cold-log status because the partner LU has incomplete units of work on its log that require resynchronization with the initiating LU.
RESYNC WORK EXISTS WITH THE INITIATOR LU
The partner in an exchange log name transaction detected that the initiating LU has reported a cold-log status. The cold-log status is rejected because the partner LU has incomplete units of work on its log that require resynchronization with the initiating LU.

System action

If this message is issued during APPC/MVS resynchronization processing to resolve incomplete units of recovery, resynchronization does not continue. If APPC/MVS is the initiator of resynchronization processing, APPC/MVS will attempt resynchronization again automatically at a later time.

If this message is issued during an exchange log name interchange preceding a protected conversation allocate or inbound attach request, the protected conversation between the local and partner LU is not allocated. No protected conversations between the local and partner LU will be allocated until the warm/cold mismatch can be resolved.

Symptom records are written to the logrec data set to record the error condition and record diagnostic data.

Operator response

Notify the system programmer.

System programmer response

For complete information on resolving this problem, see the description of how to handle warm/cold mismatch in z/OS MVS Planning: APPC/MVS Management.

Module

ATBPCRS

Source

APPC/MVS

Routing Code

2

Descriptor Code

4

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