For CVAF I need the DEB of the VTOC Sent from my iPhone
> On May 3, 2016, at 7:24 PM, Mike Shaw <[email protected]> wrote: > >> On 5/3/2016 11:29 AM, michelbutz wrote: >> Hi >> ...<SNIP>... > > Michael, since you said "...what is the VTOC..." it looks like you have a > long row to hoe.. > > To read the VTOC of a DASD volume you can issue a RDJFCB for a DDNAME that is > allocated to the volume, set the DSN in that JFCB to all x'04' characters, > then use OPEN TYPE=J to open the VTOC with that JFCB. > > You can then read the entire with EXCP or BSAM to get the DSCBs and > interrogate each one in turn. > > If you just want space info for one DS, maybe CVAF is better. > > We have tried CVAF, BSAM, and EXCP; EXCP with a chained channel program is > fastest. If you don't care about speed, then use CVAF. > > Mike Shaw > MVS/QuickRef Support Group > Chicago-Soft, Ltd. > > ---------------------------------------------------------------------- > 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
