Installing PTFs L1H185S or L1H185T Causes Problems for TCP/IP Communication from the SMC Client and With the VLE (Doc ID 1945221.1)

Last updated on AUGUST 17, 2016

Applies to:

Sun StorageTek Enterprise Library Software (ELS) - Version 7.1 to 7.2 [Release 7.0]
IBM z/OS on System z
This problem affects SMC Client TCP/IP communication as well as VLE TCP/IP communication.

Symptoms

SMC client can't communicate with the TAPEPLEX after installing current maintenance.

 08.14.03 STC12345 *SMC0260 TAPEPLEX PROD commpath HSCXSRV1 inactive; RC=740, TCP/IP timeout
 08.14.03 STC12345 *SMC0260 TAPEPLEX PROD commpath (local) inactive; RC=608, TAPEPLEX subsystem is inactive
 08.17.04 STC12345  SMC0175 Communication initialized on TAPEPLEX=PROD SERVER=HSCXSRV1
 08.18.46 STC12345  SMC0128 TAPEPLEX error:  788
  788                     Job=jobname JOB67890 task=ESYSSMC0000001B5 msg=FF13050D
  788                     TAPEPLEX=PROD SERVER=HSCXSRV1 request=XMNTNF669ESYSSMC0000001B5
  788                     Client socket=0 port=any
  788                     Server IP=ip.address port=1080
  788                     Bytes out=1169 in=0
  788                     Error=TCP/IP timeout
  788                     Reason=waiting to send()
  788                     SMC comm RC=740

Communications sometimes initializes and a short time later, SMC0261 is issued to indicate there are no communication paths to the TAPEPLEX:

 09.03.40 STC12345  SMC0175 Communication initialized on TAPEPLEX=PROD SERVER=HSCXSRV1
 09.03.45 STC12345 *SMC0261 TAPEPLEX PROD inactive; no available communication paths
 09.07.25 STC12345 *SMC0260 TAPEPLEX PROD commpath (local) inactive; RC=608, TAPEPLEX subsystem is inactive
 09.08.12 STC12345  SMC0051 SMC subsystem interface error for job jobname; reason=Ascomm RC=600 (X'00000258'), function=XVOLLKUP

Changes

Installed current maintenance, including L1H185S for ELS 7.1 or L1H185T for ELS 7.2.

Cause

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