Some Jobs May Hang During Dynamic Allocation When IDAX POLICY(ON) Is Coded

(Doc ID 1666252.1)

Last updated on MAY 23, 2016

Applies to:

Sun StorageTek Enterprise Library Software (ELS) - Version 7.0 to 7.2 [Release 7.0]
Sun StorageTek Storage Management Component (SMC) - Version 7.0 to 7.2 [Release 7.0]
IBM z/OS on System z

This document is relevant to environments running SMC with IDAX POLICY(ON).

Symptoms

Job hangs after a dynamic allocation.

SMC is running with IDAX POLICY(ON).

A DB2 region hangs up because of this issue.

Jobs taking SVC dumps during what appears to be allocation.

Jobs experience delays.

Some jobs that are hung get this message in the SMC log: SMC0174 ASCOMM ACK TIMEOUT

Cause

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