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Suppress DD-level accounting information in the SMF type 30 EXCP section for individual DDs.

We found that E-Private SP230 Key0 storage growth was occurred in IIDR Classc Capture service.

It was due to SMF type 30 EXCP information at DD name dynamic allocation.

Our case was 100 thousand DD Dynamic allocation for IMS OLDS open. 

.

Then, I've submitted the idea to SMF via RFE

https://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=138522

but it was rejected because of the following reason:

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developer update: IBM_Systems_Developer (IBM)
SVC 99 Dynamic Allocation provides the S99DASUP flag, which provides the ability to suppress DD-level accounting information in the SMF type 30 EXCP section for individual DDs. This was introduced for applications such as this where DD-level accounting information provides very little value. Please submit an RFE against the application(s) to provide an option to suppress DD-level accounting information.

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So we would like to ask IIDR Classic replication development team to provide the SMF type 30 EXCP accounting information by setting S99DASUP flag.

  • Avatar32.5fb70cce7410889e661286fd7f1897de Guest
  • Dec 6 2019
  • Future consideration
Who would benefit from this IDEA? A lot of IIDR classic users, espalially online Banking user which is a long running replication (24/365)
How should it work?

The S99DASUP flag is able to suppress the SMF type 30 EXCP accounting information, so we can resolve

the E-Private storage (Subpool 230 key 0 storage) growth. by setting the S99DASUP flag.

Idea Priority High
Priority Justification Because E-Private storage shortage will lead to IIDR system outage.
Customer Name Mizuho-Bank and M<UFG Bank
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