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SMS Compressed Dataset Enhancement with NDM

Visa would like to see Connect Direct transmission of SMS compressed datasets improved. Today, when we transmit a compressed dataset, if it is done with out coding the DCB parms in the process it always fails on the remote node with a space abend. The benefit of Connect Direct is you can avoid doing DCB parms with Z/OS to Z/OS transmissions. It would make sense for Connect Direct to be able to figure out the real size of the sending dataset, so that it could properly allocate the same dataset on the otherside.

We initially had a problem ticket opened for this issue, and support advised us this would indeed need to be an enhancement request. Please advise if you need any supporting information or if you have any questions.

 

This is somewhat urgent for us, as we have thousands of Connect Direct Processes that currently have no DCB information coded with in. We are about to enabled SMS Compression on many of our production datasets, but we will have to add DCB information in for every HLQ we turn on SMS compression for to avoid the space abends on the remote Z/OS node. This feature being added would save us an immense amount of work.

 

Thanks,

Craig

  • Guest
  • Apr 10 2018
  • Not under consideration
What is your industry? Banking
How will this idea be used?

This is somewhat urgent for us, as we have thousands of Connect Direct Processes that currently have no DCB information coded with in. We are about to enabled SMS Compression on many of our production datasets, but we will have to add DCB information in for every HLQ we turn on SMS compression for to avoid the space abends on the remote Z/OS node. This feature being added would save us an immense amount of work.

  • Admin
    Chris Sanders commented
    14 Aug, 2018 01:10pm

    Thank you for opening this enhancement request with IBM.  I have reviewed it thoroughly with my developers.  Unfortunately we don't believe that this is a candidate for C:D z/OS enhancement due to technical limitations.  I must reject this request, but I've included some suggestions from our development team on other ways to meet your needs.  Please don't hesitate to contact our support team if you have questions.


    SMS compression and allocation is controlled by SMS generally with an SMS Management class. Data class or Storage class definition and each zOS may define those differently with different names. A CD Process cannot propagate those names from the PNODE to the SNODE because of that.  Adding DCB Space information into the Process is one way to do that; however the more effective way is on the receiving side define an SMS class to handle that allocation and override what the CD Process attempts to do.

     

    SIncerly,

    Chris Sanders

    Connect:Direct Offering Manager

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