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Global storage in IMS MPR

 
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sairamr
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Joined: 08 Jun 2010
Posts: 38
Topics: 6

PostPosted: Tue Jan 24, 2012 4:03 am    Post subject: Global storage in IMS MPR Reply with quote

Hi

My online program(s) want to access a static table from IMS TM. The requirement to be able to design it in such a way that we do not read the same record from disk twice. Instead it needs to first look at the main storage and then from disk.

Is Local shared resource an option ? Can the VSAM underneath an IMS table be defined as LSR ? Any alternate options available ?

Thanks
Sairam
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12358
Topics: 75
Location: San Jose

PostPosted: Tue Jan 24, 2012 2:28 pm    Post subject: Reply with quote

Sairamr,

Check this link which explains in detail about specifying 3 types of IMS buffer pools that control the IMS DL/I buffering services: the VSAM shared resource pool, the OSAM buffer pool, and the OSAM Sequential Buffer (SB) pool.

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DFSSDGH0/6.2

Kolusu
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sairamr
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Joined: 08 Jun 2010
Posts: 38
Topics: 6

PostPosted: Mon Jan 30, 2012 11:30 pm    Post subject: Reply with quote

thank you ..it worked..
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Anuj Dhawan
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Joined: 19 Jul 2007
Posts: 298
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Location: Mumbai,India

PostPosted: Tue Jan 31, 2012 3:29 am    Post subject: Reply with quote

That's nice to hear, however, would request you to share what exactly worked for you? It'll help the other audience...Smile
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Anuj
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sairamr
Beginner


Joined: 08 Jun 2010
Posts: 38
Topics: 6

PostPosted: Tue Feb 14, 2012 7:55 am    Post subject: Reply with quote

Sorry for the late reply..I found some buffer pools declared by default installation and managed to suggest a solution for this..

Sample DFSCTL card for OSAM Sequential buffer..
Code:

                    **** LIST OF //DFSCTL CONTROL CARDS ****
SBPARM ACTIV=COND,BUFSETS=4,DB=IVPDB1
SBIC
SBCO
SBSNAP BHBUF=NO,SBBUFCB=NO,SBBUF=NO
SBESNAP EVAL=NEG
SNAPDEST LOG
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Anuj Dhawan
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Joined: 19 Jul 2007
Posts: 298
Topics: 7
Location: Mumbai,India

PostPosted: Wed Feb 15, 2012 4:10 am    Post subject: Reply with quote

Thanks for coming back and posting what worked for you, appreciate it. Smile
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Anuj
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