Classification: Confidential Re delete/reallocate is true. Jes closes the proclibs between uses
-----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of rpinion865 Sent: Wednesday, June 12, 2024 7:43 AM To: [email protected] Subject: Re: PDS compress and PROCLIB [CAUTION: This Email is from outside the Organization. Unless you trust the sender, Don’t click links or open attachments as it may be a Phishing email, which can steal your Information and compromise your Computer.] Urban legend or false memory. But in the early 1980s, I was told that if you started a proc that did not exist, JES2 would open and close each proclib in the concatenation. In fact, I was told, and if I remember correctly, I was able to backup a proclib that ran out of directory blocks, delete the library, re-allocate the library, restore the library, issue a start on a non-existent proc, and all was good. Sent with Proton Mail secure email. On Wednesday, June 12th, 2024 at 8:12 AM, Lennie Bradshaw <[email protected]> wrote: > As far as I know JES2 holds proclibs open normally. There may be a way to get > it to close and re-open them. > JES2 runs with the NDSI bit set in the PPT. Hence it does not issue ENQs for > any datasets it allocates. > Lennie > > -----Original Message----- > From: IBM Mainframe Discussion List [email protected] On Behalf > Of Paul Gilmartin > > Sent: 12 June 2024 12:59 > To: [email protected] > Subject: Re: PDS compress and PROCLIB > > On Wed, 12 Jun 2024 08:55:56 +0000, Lennie Bradshaw wrote: > > > I believe JES2 read the proclibs without data integrity (i.e. no ENQs are > > issued for the libraries). ... > > Why!? Is PDSE a solution? IEB COPY with DISP=SHR? > > We had a developer-facing local PROCLIB catenand. I routinely updated a > member in background using ISPF EDIT ENQs. > Once I found another developer's content in "my" member. She had courteously > signed it. She explained that she had updated her member from a test system > sharing DASD. Admin explained that MIM had crashed on that system at that > time. > > MIM isn't fail-safe. But the price of fail-safe might be inability to IPL > before MIM activates. > > -- > gil > > ---------------------------------------------------------------------- > 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 ::DISCLAIMER:: ________________________________ The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents (with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates. Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the views or opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of this message without the prior written consent of authorized representative of HCL is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately. Before opening any email and/or attachments, please check them for viruses and other defects. ________________________________ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
