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To Avoid IEC502E K & IEC501A M messages


IBM Mainframe Forums -> ABENDS & Debugging
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triplej

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Joined: 14 Jun 2007
Posts: 3
Location: India

PostPosted: Tue Oct 23, 2012 9:00 pm
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One of the Production job was running for more than 500 minutes and when take a look at the Joblog, it gave the following displays.

03.52.45 JOB20873 IEC502E K 500A,3J0012,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
03.52.45 JOB20873 IEC501A M 500A,3J0014,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
03.54.52 JOB20873 IEC502E K 500A,3J0014,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
03.54.52 JOB20873 IEC501A M 500A,3J0016,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
03.56.27 JOB20873 IEC502E K 500A,3J0016,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
03.56.28 JOB20873 IEC501A M 500A,3J0020,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
03.58.08 JOB20873 IEC502E K 500A,3J0020,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
03.58.08 JOB20873 IEC501A M 500A,3J0022,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
03.59.26 JOB20873 IEC502E K 500A,3J0022,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
03.59.26 JOB20873 IEC501A M 500A,282681,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
04.00.59 JOB20873 IEC502E K 500A,282681,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
04.00.59 JOB20873 IEC501A M 500A,3J0042,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
04.02.47 JOB20873 IEC502E K 500A,3J0042,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
04.02.47 JOB20873 IEC501A M 500A,283989,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
04.04.54 JOB20873 IEC502E K 500A,283989,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
04.04.54 JOB20873 IEC501A M 500A,284295,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
04.06.42 JOB20873 IEC502E K 500A,284295,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
04.06.42 JOB20873 IEC501A M 500A,286181,SL,COMP,PFMEN202,STEP030.JS010,PQSS.CLMS.PROF.REPR.G8096V00
04.08.22 JOB20873 IEC502E K 500A,286181,SL,PFMEN202,STEP030,PQSS.CLMS.PROF.REPR.G8096V00
While Googling, the IEC501A & IEC502E is some thing to do with Tape file. Can you please throw some light on where to start and how to fix this issue?
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8577
Location: Dubuque, Iowa, USA

PostPosted: Tue Oct 23, 2012 9:12 pm
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Quote:
Can you please throw some light on where to start and how to fix this issue?
Your solution is simple -- STOP USING TAPES. These messages indicate the job is M(ounting) various tapes on drive 500A and then unloading the tape with K(eep) specified. If your job cannot be changed to not use tapes, then you cannot do anything about these messages.

Furthermore, it is unlikely that tape mounts were the cause of the long run time -- more likely, the tape mounts are a symptom of a process gone awry. Each tape is mounted for only a minute or two, but if you do enough of them it can add up.
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enrico-sorichetti

Superior Member


Joined: 14 Mar 2007
Posts: 10791
Location: italy

PostPosted: Tue Oct 23, 2012 9:33 pm
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Quote:
While Googling, the IEC501A & IEC502E


instead of wasting time googling why in heaven didn' You look at the IBM manuals

the manuals themselves starting from
www-03.ibm.com/systems/z/os/zos/bkserv/index.html
and navigating to the bookshelf for You zOS level

or jumping directly to the message using the LookAT facility
www-03.ibm.com/systems/z/os/zos/bkserv/lookat/

faster and foolproof
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dick scherrer

Moderator Emeritus


Joined: 23 Nov 2006
Posts: 19245
Location: Inside the Matrix

PostPosted: Tue Oct 23, 2012 9:36 pm
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Hello and welcome to the forum,

Suggest you speak with your storage management people about migrating these datasets to a higher density "tape" - my guess is that these are 3490 (or even 3480) volumes.

I suspect this is "claims history" of some kind and there would be great reluctance to load it all to online dasd and leave it. Depending on how frequently this data is used, it might be copied to dasd and then migrated until the next use. This would prevent the tape mounts, the messages, and would save lots of wall time (depening on now long it takes to recall).
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triplej

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Joined: 14 Jun 2007
Posts: 3
Location: India

PostPosted: Wed Oct 24, 2012 5:35 pm
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Thanks Robert, Dick and Enrico for your suggestions...

This is the first time I'm facing these kind of problems.. I'll start learning about Tape Mounting and its process...

I'll talk to Storage Management team and suggest your options...

Thanks once again...
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Bill Woodger

Moderator Emeritus


Joined: 09 Mar 2011
Posts: 7310
Location: Inside the Matrix

PostPosted: Wed Oct 24, 2012 5:56 pm
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Definitely talk to storage management. However, describe your problem to them as accurately as you can with all the information you have.

Only if you want to really annoy them, go to them with "suggestions" from the internet up front. They know your site, you know about your program. Only if they don't come up with anything should you, gently, ask about some of the things from here...
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