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VSAM Compression Mgmt Error During Expansion RC=20

 
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BETH BEGGS

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Joined: 02 Feb 2006
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PostPosted: Tue Feb 06, 2007 1:16 am    Post subject: VSAM Compression Mgmt Error During Expansion RC=20
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I am getting this message in our CICS partition. REASON code is 2181. Message text says processing cannot continue because storage cannot be obtained for the LZ-tree. Do I need to increase partition GETVIS? Or, do I need to do something else. Any help appreciated. IBM manuals give very little information!
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William Thompson

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PostPosted: Tue Feb 06, 2007 1:54 am    Post subject:
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Is ther a DFH (or other) error message number anywhere?
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BETH BEGGS

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PostPosted: Tue Feb 06, 2007 6:21 pm    Post subject: ERROR MESSAGE IS 4A90I
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The error message number 4A90I, points to VSAM, and the error is apparently issued by module IKQCSCZL. The message is also described as RS_TREE_GET_FAILED. That's as far as I've been able to take it. I appreciate any help !!!
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William Thompson

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PostPosted: Tue Feb 06, 2007 6:34 pm    Post subject:
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4A90I?
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BETH BEGGS

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PostPosted: Tue Feb 06, 2007 7:09 pm    Post subject: confirm error message number
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Yes, it is 4A90I. I found reference to this message in IBM documentation for VSAM. We are running z/VSE under z/VM on an IBM mainframe.
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BETH BEGGS

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PostPosted: Tue Feb 06, 2007 7:15 pm    Post subject: IBM documentation
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If this helps, this is where I found the information within IBM's website --

Title: VSE Central Functions V6R3 VSE/VSAM Logic DRM
Document Number: SC33-6321-00

Chapter 6.13 Compression Management Reason and Return Coes
6.13.5 Reason Codes for RC=20

I found very similar text in another IBM manual in which the error 4A90I was specifically referenced. The explanation was fundamentally the same as in the documentation I reference here.
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William Thompson

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PostPosted: Tue Feb 06, 2007 7:41 pm    Post subject:
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Beth,

Found APAR with that message, has no bearing but as a sideways pointer:
Quote:
****************************************************************
* USERS AFFECTED: All. *
****************************************************************
* PROBLEM DESCRIPTION: DBCS file transfer problem and others. *
****************************************************************
* RECOMMENDATION: *
****************************************************************
1. When transfering files from NetWare to VSE using
japanese translation tables, the hex characters
'0F0E' were added at the 4K boundary.
2. Compressed VSAM-files could not be put to a NetWare
server. Message 4A90I followed by
EWXDST2306E Access denied returned on read of file.

FIX DESCRIPTION:
1. Ensured special handling of DBCS file transfer.
2. GETVIS usage changed for VSAM file handling.
So I'd say "Yes", I guess you do need to increase partition GETVIS.

Hope that helps,

Bill
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BETH BEGGS

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PostPosted: Wed Feb 07, 2007 5:41 pm    Post subject: thanks for your help!
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I am awaiting all needed signatures (G* bless the auditors!) so I can implement this fix. We are increasing both the CICS partition allocation and the system GETVIS in the VSE guest in question. This was a sporadic problem, so it may be some time before we consider it closed. Thanks for your help, and we'll work on the "no-news-is-good-news" theory. With regards.......
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aparnapaj

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PostPosted: Thu Oct 23, 2008 11:20 pm    Post subject: Reply to: VSAM Compression Mgmt Error During Expansion RC=20
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Hi..

I too got the same error recently(in VSE).

The problem was the usage of a CLASS which can handle smaller jobs (which was unable to expand the large files) and so when i changed the CLASS and tried out, the job was running fine and the problem was resolved.

Hope this may be useful and help out u and u can try the same to rectify this error.
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dick scherrer

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PostPosted: Fri Oct 24, 2008 4:33 am    Post subject:
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Hello and welcome to the forums,

Thank you for the info icon_smile.gif

The "new" class is probably for a larger partition which solved the memory shortage.

Please note that this topic has been inactive for over one and a half years, so a reply from the original participants is not so likely (unless Bill is watching. . .).
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