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M204.2502  token error​,​ DSNAME ​=​ token2​,​ return code ​=​ token3​,​ reason code ​=​ token4

An ALLOCATE command attempted to dynamically allocate a data set that had been migrated by DFSMSHSM, IBM's Storage Manager. Model 204 issued an HSM request to recall the data set, but the request failed. The return and reason codes can be used to identify the cause of the failure.

A return code of 400, 401, or 806 indicates an ARCFMWE failure. This can be caused by a Model 204 internal error or an HSM error.

Any other return code indicates an ARCHRCAL failure. This indicates that HSM could not process the recall request. The meaning of the return code and any associated reason code is described in message ARC11return_code, which can be looked up in IBM manual z/OS System Messages Volume 2 (ARC - ASA), SA22-7632. The section "ARC Return Codes and Reason Codes" at the end of chapter 2 of the IBM manual provides a complete list of return codes.

Common return codes and their meanings are:

Return code



The migration or backup or dump volume is not available.


No primary volume available for recall.


An error occurred cataloging data set.


Another DFSMSHSM function active for data set; recall rejected.


Data set recall failed. The function is held.

Operator response: Correct the problem with DFSMSHSM recall processing.

Response: Contact your system operator.

Message attributes:

RETCODEO=0Sets online return code
RETCODEB=4Sets batch (single user) return code
CLASS=EError class; the message can be suppressed with the X'04' bit setting of the MSGCTL parameter
AUDITMSWrites the message with line type MS to the audit trail
NOCOUNTDoes not increment the error count (ERCNT) parameter

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