I think my CICS is running short on DFHTEMP storage during peak workload situations. We use VSAM. I can't seem to locate the job that built the temp files so that I could increase the allocation. What should I do next?
QUESTION POSED ON: 30 JAN 2006
QUESTION ANSWERED BY: Robert Crawford
If you can't find the original JCL that created the DFHTEMP dataset you're going to have to recreate it. I'd start with an IDCAMS LISTCAT to see how the current dataset is defined. It should give you all the information you need, including the current allocation. The CICS System Definition guide also contains information on allocating a temporary storage dataset.
The IDCAMS define statements themselves are fairly simple because it's an entry sequenced dataset (ESDS). Pasted below is a sample:
DEFINE CLUSTER(NAME(CICS.DFHTEMP)-
RECORDSIZE(4089,4089)-
CYL(5) -
NIXD -
CISZ(4096)-
VOLUME(xxxxxx) SHR(2 3)) -
DATA(NAME(CICS.DFHTEMP.DATA)-
UNIQUE)
You can change the cylinder parameter to meet your needs. And I'm sure I don't have to tell you to keep this it in a safe place this time.
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