Maybe take a look at SG24-6105 VSAM Demystified.
Regards
Baron Carter
-Original Message-
From: Hal Merritt [mailto:hmerr...@jackhenry.com]
Sent: Tuesday, April 10, 2012 10:52
Subject: Re: A deep question about VSAM SHR(4) - can you help?
Um, be careful about drawing any conclusions from
Subject: Re: A deep question about VSAM SHR(4) - can you help?
At 07:16 -0700 on 04/05/2012, Mike Kovach wrote about A deep question about
VSAM SHR(4) - can you help?:
I have a VSAM KSDS CLUSTER which is written to by ONLY ONE PROGRAM in ONLY
ONE CICS REGION. Currently, this file is defined in CICS
] On Behalf Of Walt Farrell
Sent: Thursday, April 05, 2012 6:16 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: A deep question about VSAM SHR(4) - can you help?
On Thu, 5 Apr 2012 07:16:15 -0700, Mike Kovach
mrmach...@yahoo.com wrote:
My specific question is this:
I want to introduce multi
I have a VSAM KSDS CLUSTER which is written to by ONLY ONE PROGRAM in ONLY ONE
CICS REGION. Currently, this file is defined in CICS with STRNO(1). The file
is defined with SHR(4,3) because while being written ONLY in CICS, it is being
read by a non-reentrent ASSEMBLER program running in BATCH.
At 07:16 -0700 on 04/05/2012, Mike Kovach wrote about A deep question
about VSAM SHR(4) - can you help?:
I have a VSAM KSDS CLUSTER which is written to by ONLY ONE PROGRAM
in ONLY ONE CICS REGION. Currently, this file is defined in
CICS with STRNO(1). The file is defined with SHR(4,3
about VSAM SHR(4) - can you help?
At 07:16 -0700 on 04/05/2012, Mike Kovach wrote about A deep question about
VSAM SHR(4) - can you help?:
I have a VSAM KSDS CLUSTER which is written to by ONLY ONE PROGRAM in ONLY
ONE CICS REGION. Currently, this file is defined in CICS with STRNO(1). The
file
On Thu, 5 Apr 2012 07:16:15 -0700, Mike Kovach mrmach...@yahoo.com wrote:
My specific question is this:
I want to introduce multi tasking so that 5 copies of the program can update
the file concurrently. If we change STRNO(1) to
STRNO(5) on the CICS FCT Definition, will VSAM be smart enough
: Robert A. Rosenberg hal9...@panix.com
To: IBM-MAIN@bama.ua.edu
Sent: Thursday, April 5, 2012 4:03 PM
Subject: Re: A deep question about VSAM SHR(4) - can you help?
At 07:16 -0700 on 04/05/2012, Mike Kovach wrote about A deep question about
VSAM SHR(4) - can you help?:
I have a VSAM KSDS
At 18:16 -0500 on 04/05/2012, Walt Farrell wrote about Re: A deep
question about VSAM SHR(4) - can you help?:
This option requires that the user's program use ENQ/DEQ to maintain
data integrity while sharing the data set, including the OPEN and
CLOSE processing. User programs that ignore
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