On 11/13/23 11:54:07, Schmitt, Michael wrote:
That I don't know. I've only dealt with GSAM checkpoints (which may not support
RECFM=VBS). And one other: checkpoints in z/OS FTP.
My *guess* is that since a checkpoint has to flush the buffers to disk before
you fill up the block, even VBS would have a short block.
I stand corrected. I intended to inquire about RECFM=FBS.
-----Original Message-----
From: IBM Mainframe Assembler List <[email protected]> On Behalf
Of Paul Gilmartin
Sent: Monday, November 13, 2023 12:50 PM
To: [email protected]
Subject: Re: Is True Skip-Sequential Processing Possible with RECFM=FB,DSORG=PS?
On 11/13/23 08:23:44, Schmitt, Michael wrote:
As long no one ever uses DISP=MOD
...or checkpoints. Checkpoints can cause short blocks to be written.
(My knowledge is with IMS/DB GSAM checkpoints.)
How does checkpoint interact with RECFM=VBS?
--
gil
