If you do both full volume, and incremental backup, the full volume can happen even when open. The data may be "dirty". I think there is also an option to ignore some open conditions.
> -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On > Behalf Of Frank Swarbrick > Sent: Tuesday, June 07, 2022 5:50 PM > To: [email protected] > Subject: Re: HSM backups and CICS VSAM files, > > [EXTERNAL EMAIL] DO NOT CLICK links or attachments unless you recognize > the sender and know the content is safe. > > We cannot have the file closed to CICS. > If this is not possible to do I understand. I just am curious as to why it > does > the back some days and not on other days. > ________________________________ > From: IBM Mainframe Discussion List <[email protected]> on > behalf of Mike Schwab <[email protected]> > Sent: Tuesday, June 7, 2022 12:34 PM > To: [email protected] <[email protected]> > Subject: Re: HSM backups and CICS VSAM files, > > If a transaction accesses the file, the dataset is opened until closed. > To test. > Issue HBACKDS / on the file. > Do a transaction that reads the file. > Issue HBACKDS / on the file (should not work). > Do a CEMT to close the file. > Issue HBACKDS / on the file (should work). > Enable the file to be opened (if disabled). > > On Tue, Jun 7, 2022 at 11:11 AM Frank Swarbrick > <[email protected]> wrote: > > > > As a developer I've come to rely on using HSM to restore prior day's data > from production files where we don't take an explicit daily backup (as it's > un- > needed for normal business processing). Some of these files are files that > are open to CICS. I find that HSM backs them up on some days but not on > other days. Is there a specific cause of this behavior? The file (one > particular > one, but there are others) is open to CICS and being updated constantly > throughout the day. > > > > Thanks, > > Frank > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > > -- > Mike A Schwab, Springfield IL USA > Where do Forest Rangers go to get away from it all? > > ---------------------------------------------------------------------- > 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 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
