FW: A deep question about VSAM SHR(4) - can you help?

2012-04-11 Thread Baron Carter
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

Re: A deep question about VSAM SHR(4) - can you help?

2012-04-10 Thread Hal Merritt
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 CLUSTER which is written to by ONLY ONE PROGRAM in ONLY > ONE CICS REGION. Currently, this file

Re: A deep question about VSAM SHR(4) - can you help?

2012-04-06 Thread McKown, John
List > [mailto:IBM-MAIN@bama.ua.edu] 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 > wrote: > > >My

Re: A deep question about VSAM SHR(4) - can you help?

2012-04-05 Thread Robert A. Rosenberg
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 ignor

Re: A deep question about VSAM SHR(4) - can you help?

2012-04-05 Thread Doug
> From: Robert A. Rosenberg > 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) - ca

Re: A deep question about VSAM SHR(4) - can you help?

2012-04-05 Thread Walt Farrell
On Thu, 5 Apr 2012 07:16:15 -0700, Mike Kovach 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 to manage the >w

Re: A deep question about VSAM SHR(4) - can you help?

2012-04-05 Thread Mike Kovach
) - 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 i

Re: A deep question about VSAM SHR(4) - can you help?

2012-04-05 Thread Robert A. Rosenberg
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

A deep question about VSAM SHR(4) - can you help?

2012-04-05 Thread Mike Kovach
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.