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Finding IMS resource blocker after setting LOCKTIME


IBM Mainframe Forums -> IMS DB/DC
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Hooman24

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Joined: 20 Sep 2012
Posts: 35
Location: US

PostPosted: Wed Aug 16, 2017 9:17 pm
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Hi

We are going to set IMS LOCKTIME for our IMSDB environment. Since this is the first time we are going to use it, we fear about its consequences.
We have tested this parameter in our test environment and everything looks fine. However, our production environment has millions of transactions and also BMP jobs.
LOCKTIME=(5,STATUS) parameter will cause IMS to terminate CICS waiter tasks with BD DLI status, however, it won't terminate resource blocker.
My question is what is the fastest and best way to find and terminate lock holder? and is it safe to use this parameter for the production environment?
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PeterHolland

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Joined: 27 Oct 2009
Posts: 2476
Location: Netherlands, Amstelveen

PostPosted: Thu Aug 17, 2017 12:29 pm
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This will give you valuable information about locking (pdf alert)

share.confex.com/share/115/webprogram/Handout/Session7852/Understanding%20IMS%20Locking.pdf
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