Spot on, Dave! -----Original Message----- From: Jousma, David <[email protected]> To: IBM-MAIN <[email protected]> Sent: Wed, Oct 23, 2019 08:16 PM Subject: Re: PDS to PDSE conversion issues
Defaults to nodsi in sched00 I'm guessing _____________________________________________________________________________________________________ Dave Jousma AVP | Manager, Systems Engineering Fifth Third Bank | 1830 East Paris Ave, SE | MD RSCB2H | Grand Rapids, MI 49546 616.653.8429 | fax: 616.653.2717 ________________________________ From: Paul Gilmartin <[email protected]> Sent: Wednesday, October 23, 2019 3:32 PM To: [email protected] Subject: Re: PDS to PDSE conversion issues **CAUTION EXTERNAL EMAIL** **DO NOT open attachments or click on links from unknown senders or unexpected emails** On Wed, 23 Oct 2019 19:18:49 +0000, David Purdy wrote: >Dave, I was unclear. The process is a dasd volume reorg to maximize >contiguous free extents. That process, which some products call a sweeper or >compaction, moved a dataset that was opened by PSF but not enqueued. Quite >right that an approach is to exclude them from the dasd reorg. In no way is >the PDSE being compressed, but combining multiple extents into one for sure. > The mystery to me is why PSF OPENs a data set without ENQ. This strikes me as a major integrity threat. And how does it to that? An IBM employee wrote here long ago about processing DASD blocks with no OPEN and no DEB. But he said even that relied on SYSDSN ENQ (IIRC) for integrity. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN **CAUTION EXTERNAL EMAIL** **DO NOT open attachments or click on links from unknown senders or unexpected emails** This e-mail transmission contains information that is confidential and may be privileged. It is intended only for the addressee(s) named above. If you receive this e-mail in error, please do not read, copy or disseminate it in any manner. If you are not the intended recipient, any disclosure, copying, distribution or use of the contents of this information is prohibited. Please reply to the message immediately by informing the sender that the message was misdirected. After replying, please erase it from your computer system. Your assistance in correcting this error is appreciated. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
