I have sympathy with your scepticism. You can recover previous generations. But deleting a member deletes all generations. I think IBM have missed a trick here. Would not have been beyond the wit of man to have an UNDELETE operation. Lennie -----Original Message----- From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of Tony Harminc Sent: 28 September 2022 18:13 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Minor disaster
On Wed, 28 Sept 2022 at 08:14, Lionel B. Dyck <lbd...@gmail.com> wrote: > If these are PDSE's with generations then the question is what release > of z/OS are you running? If 2.4 then the ISPF delete member > selections will delete all generations along with the base member. If > 2.3 or earlier then only the base (generation 0) member is deleted and > the generations will remain - just not accessible. > > If you are z/OS 2.3, or earlier, then you can use PDSEGEN (CBTTape > file > 969) > to see those 'ghost' generations and easily recover them. > > If you are z/OS 2.4 or 2.5 then hope you have HSM backups or some > other backup system. > So, um, what are PDSE generations *for* if not this kind of thing? I've never used them, but just assumed recovering from such finger trouble was the purpose. Is there some "production" use case for them? Tony H. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
