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Possibility of improvement in Production support

 
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raghavmcs

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Joined: 14 Jul 2005
Posts: 105

PostPosted: Thu Dec 11, 2008 9:27 am    Post subject: Possibility of improvement in Production support
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Dear Experts,
I am working in the Batch Mainframe production support.I get sometime a good time to think about the improvement side.Like MIPS saving is one of them.It has VSAm and flat files here.I do not have some clear picture of thinking about what could be the possible dimentions of thinking from the improvement side while working on the support side.If you experts can suggest out some ways/thoughts which could give me some good start as I think any improvement on this side makes some good visibility to the individual.I want to deliver really something possitive on this side.
Let me know if you need any information from my side,thanks
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Bill Dennis

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Joined: 17 Aug 2007
Posts: 562
Location: Iowa, USA

PostPosted: Thu Dec 11, 2008 8:03 pm    Post subject:
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Saving MIPS (reducing CPU time) usually comes from program changes unless you can eliminate some processes.

You can reduce elapsed time on jobs:
- write files to tape with large blocksizes to reduce I/O
- write files to DASD with 1/2 track blksizes (BLKSIZE=0 allows system to handle this)

Look at problem jobs and try to reduce errors (people mistakes, data problems, etc.)
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raghavmcs

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PostPosted: Thu Dec 11, 2008 10:49 pm    Post subject: Reply to: Possibility of improvement in Production support
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Dear Bill,
Thanks for your inputs.
When we say reduce the IO could you please explain what could be the benefit in terms of $ we can get.This is assuming that for tapes again we need to pay.

Also I do not have any formula for calculating the MIPS cost.
There could be some jobs which generally run once the online updates are over.They could be various report generating job,I have seen that there has been no changes in the programs/jobs in producction for the last 7-8 yeasr.May be I need to get the business users who could or could not be using these reports.Probably I can look forward with eliminating these jobs.
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Bill Dennis

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Joined: 17 Aug 2007
Posts: 562
Location: Iowa, USA

PostPosted: Thu Dec 11, 2008 11:26 pm    Post subject:
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Larger tape blocksizes can use fewer tapes (if multi-volume) but mostly the savings is in elapsed time and some CPU time because fewer I/O operations are needed.

You are correct that some reports tend to be unused over time and can result in savings if discontinued. It can require a lot of time to track down the users and get their answers.
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dick scherrer

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Joined: 23 Nov 2006
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PostPosted: Fri Dec 12, 2008 12:11 am    Post subject:
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Hello,

FWIW - if you find some jobs that are no longer needed, i'd suggest simply removing them from the schedule rather than deleting them right away. . . icon_wink.gif

Also, many places it is best to not only get an answer from the users that something may be discontinued, but also a formal signoff so there is no fall out later.
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raghavmcs

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Joined: 14 Jul 2005
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PostPosted: Fri Dec 12, 2008 1:43 am    Post subject:
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Experts,
I searched on Internet to get some information on the MIPS and their charges from provider.
Can someone provide me some information on this side which can help me out to conclude something in terms of $ involved.
Dick,
Thanks for your suggestion.First getting the users is a tedious task.Anyway I hope it can ne done till next Xmas!
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dick scherrer

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PostPosted: Fri Dec 12, 2008 2:54 am    Post subject:
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Hello,

Quote:
can help me out to conclude something in terms of $ involved
Probably not icon_sad.gif
Chargeback is very organization and/or system specific. You would need to use whatever formula is currently used to determine chargeback amounts.

Hopefully it is published so you can easily see what the charge is for different resources.
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