Classification: Confidential The original lnklst dataset remains in use for the length of the IPL unless modified via the SETPROG process. There is a well documented procedure for doing what the OP is trying to accomplish.
-----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Carmen Vitullo Sent: Monday, August 22, 2022 1:48 PM To: [email protected] Subject: Re: Linklist and Syncsort confusion [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.] you're sure the library is on the same volume? did the new library contain secondary extents? did you follow the syncsort process or usermod process to make syncgener available as IEBGENER? it renames IEBGENER as OLDGENER, I don't have the MOD in front of me currently but I think I agree with Dave, an LLA refresh or update should have been enough to refresh LLA but sometime running address spaces will still pick up the old linklist. ISRFIND will help you see the linklist concatenation and tell you where IEBGENER is found Carmen On 8/22/2022 1:37 PM, Gibney, Dave wrote: > You might have got away with a F LLA,REFRESH. I think you are correct, all > UNALLOCATE/AlLOCATE does is ENQ related. No re-reading the libraries involved. > > > >> -----Original Message----- >> From: IBM Mainframe Discussion List <[email protected]> On >> Behalf Of Pommier, Rex >> Sent: Monday, August 22, 2022 11:32 AM >> To: [email protected] >> Subject: Linklist and Syncsort confusion >> >> [EXTERNAL EMAIL] >> >> Hi list, >> >> I don't know if this is specifically a Syncsort issue or a more >> generic confusion about linklist datasets. Here goes. >> >> We have the SYNCLINK library defined in the linklist. We have >> installed Precisely's IEBGENER replacement as part of our install. >> We determined SYNCLINK was too small. I allocated a larger version >> of the library on the same volume as the current one. We had an IPL >> scheduled for Saturday so right before the IPL, I logged in and did >> the library swap. My process was (as I >> thought) pretty standard. >> >> Shut down LLA and VLF >> SETPROG LNKLST,UNALLOCATE >> Rename the 2 libraries to get the new, larger one with the right name >> SETPROG LNKLST,ALLOCATE Start LLA and VLF. >> >> The operator then needed to run a couple pre-IPL jobs that use IEBGENER. >> They failed with >> IEW4009I FETCH FAILED FOR MODULE IEBGENER FROM DDNAME -LNKLST- >> BECAUSE OF AN I/O ERROR. >> IEW4005I FETCH FOR MODULE IEBGENER FROM DDNAME -LNKLST- FAILED >> BECAUSE IEWFETCH ISSUED RC 0F AND REASON 40 CSV031I LIBRARY ACCESS >> FAILED FOR MODULE IEBGENER, RETURN CODE 24, REASON CODE 26080021, >> DDNAME *LNKLST* >> >> The manuals were less than helpful. IPLing took care of the problem >> but I'm not clear as to either what I did wrong or if my >> understanding of the UNALLOCATE/ALLOCATE is wrong. I was under the >> impression that doing the UNALLOCATE then ALLOCATE rebuilt the >> linklist. It appears now to me that all the UNALLOCATE does is >> remove the enqueues on the datasets and ALLOCATE simply reestablishes >> the enqueues, still pointing to the original location, but even that >> doesn't compute in my mind because I didn't change any locations of >> either the old or new libraries. Or was it a mismatch between the >> linklist and the LLA, and that possibly the linklist was still >> pointing to the original location of the SYNCLINK library but the LLA >> is now pointing to the new location? Would I have not had the >> problem if, instead of just doing the UNALLOCATE/ALLOCATE, I would >> have built and activated a >> LNKLST01 concatenation? >> >> I see the cautions in the system commands manual against moving or >> deleting a linklist dataset while the allocations are inactive and I >> obviously got burned by disobeying that warning. I'm just trying to >> figure out what the UNALLOCATE is doing and how to not have this >> happen when I have to perform this kind of maintenance. >> >> TIA, >> >> Rex >> >> --------------------------------------------------------------------- >> - The information contained in this message is confidential, >> protected from disclosure and may be legally privileged. If the >> reader of this message is not the intended recipient or an employee >> or agent responsible for delivering this message to the intended >> recipient, you are hereby notified that any disclosure, distribution, >> copying, or any action taken or action omitted in reliance on it, is >> strictly prohibited and may be unlawful. If you have received this >> communication in error, please notify us immediately by replying to >> this message and destroy the material in its entirety, whether in >> electronic or hard copy format. 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