Take a look at file 527 on the CBT tape. Program(s) DADSM and LISTICAT. Both programs do a scan of the disk volumes and generate reports on VTOC, VVDS, etc.
Matthew On Fri, 14 Jun 2024 12:08:54 -0400, Mike Shaw <[email protected]> wrote: >Tony, > >You can run in problem program state and key and issue a UCBSCAN macro to >get a list of UCBs and UCB copies for that z/OS system. You can then run >that returned list and choose only the online DASD UCBs. For each of those >that you are interested in, issue an LSPACE SVC specifying the UCB address. >That will get you a good picture of free space info for that volume, and >it's quick. > >To go deeper and get a list of all data sets on the volume and/or a volume >map, you have to read the VTOC and process it. You can do that without >being APF authorized also, if the volume is allocated to your job step. > >The CVAFTST macro will tell you whether or not a particular DASD volume has >an indexed VTOC or not. > >Mike Shaw >MVS/QuickRef Support Group >Chicago-Soft, Ltd. > > >On Fri, Jun 14, 2024 at 11:20 AM Tony Thigpen <[email protected]> wrote: > >> All, >> >> I have a z/VSE program that I want to start using with z/OS. The program >> issues several CCWs to the DS8000, such as SNS, SSS, RCD, & PSSF that >> are either volume specific or subsystem specific. Not file specific. >> >> My first question is in the area of getting access to a specific volume >> on z/OS. >> >> In z/VSE, I just do an ASSGN to the disk and issues the EXCPs. >> >> On z/OS, I expect I need to perform an OPEN against the volume using >> something like: >> //SOURCE DD UNIT=3390,VOL=SER=AVOLID,DISP=OLD >> >> Any pointers would be appreciated. >> >> My second question relates to 'authority'. >> >> On z/VSE, I have to tell the operating system that I am actually 'DSF' >> before it will allow me to issue these CCWs. >> >> Do I have to do something special on z/OS? >> >> >> Thanks, >> >> Tony Thigpen >> >> ---------------------------------------------------------------------- >> 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
