Hello list, I have what are probably simple questions regarding the relaxation of the 255 generation GDG limit. We are running z/OS 2.2 so are eligible for the relaxation. I know I need to make a change to the IGGCATx member to activate the capability and I need to add EXT to the GDG definition. So here are my (rather basic) questions.
1. Can I implement an IGGCATxx member short of an IPL? I don't have one now, relying on the defaults, and I don't see anything in the INIT&TUNING manual that indicates that I can implement this dynamically, sadly. 2. Once it is active, can I use an IDCAMS ALTER to change between the old limit and an extended one? I am positive the answer to this is "no, it can only be done at GDG definition time" but am hoping. 3. Here's the scenario that has led me to this point. We just discovered we have a tape based GDG defined with LIMIT(255) and we have had several generations fall off the end. This is data we need to recover. Presuming the answer to question 2 is "no" as I strongly suspect, does anybody see an unsurmountable problem with (carefully) uncataloging all the tape generations, redefining the GDG base as extended with an appropriate limit, and recataloging all the generations, including the ones that have fallen off? TIA - again! 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. Thank you. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
