Interesting, I did not know that. Thanks. Sent from Proton Mail Android
-------- Original Message -------- On 6/12/24 10:05 AM, Styles, Andy (CIO GIS - Core Infrastructure & IT Operations) <[email protected]> wrote: > Classification: Public > > $T PROC(xxxx) will cause JES2 to re-allocate the concatenation. From the > manual: > > If a $T PROCLIB command is entered with no operands, then concatenation will > be reallocated. This is useful to retry a > previously failed allocation or to pick up updates to an existing data set > (for example, a data set cataloged > on a new volume) including static PROCLIB concatenation from the JES2 PROC. > > Andy Styles > z/Series Systems Programmer > > > -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On Behalf Of > Allan Staller > Sent: Wednesday, June 12, 2024 2:57 PM > To: [email protected] > Subject: Re: PDS compress and PROCLIB > > *** This email is from an external source - be careful of attachments and > links. Please report suspicious emails *** > > Classification: Confidential > > I believe so. > ISTR that you needed to submit a job with a proc that did not exist to force > JES to reopen all the proclib concats and update the control block. > > As another poster suggested, I would remove the proclibs from JES and use > JCLLIB instead. > > HTH, > > -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On Behalf Of > rpinion865 > Sent: Wednesday, June 12, 2024 8:20 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.] > > I just tested this scenario on a z/OS 2.5 system. I even went so far as to > reallocate the proclib on a different volume. Unfortunately, the proclib I > picked was one allocated to MSTJCL. I got S213 abends when trying to issue a > start for anything. I put it back on the original volume, and all was good. > > I wonder if I had picked another proclib that was not in MSTJCL, if moving > to a new volume would have worked. I might try that later today. > > > > > Sent with Proton Mail secure email. > > On Wednesday, June 12th, 2024 at 9:10 AM, Allan Staller > <[email protected]> wrote: > > > 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. 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