You should look here: Data Management Macro Instructions
z/OS V1R10.0-V1R11.0 DFSMS Introduction SC26-7397-03 On Thu, Feb 20, 2014 at 9:56 AM, David Speake <[email protected]>wrote: > Can anyone tell me how the BSAM POINT macro works for tape. > Is there a device command that will just skip say 1000 blocks with only > one device end returned and with no data transfer over the channel (what > I really hope happens)? Or does it just READ 1000 blocks without > placing them in memory? The READ version would seem absurd enough to > make the whole option rather pointless (Oh that's bad) for tape. > > About to have a customer invest quite a bit of time/resources here > and I'd sure like to be certain of gaining advantage in run time > and resource used. > > I've tried the archives and got hundreds of matches on several terms tried. > Cannot seem to figure how to winnow them down. > Also looked at the POPs manual section on I/O and I'll bet it is in there > but I could not find it. > > I would really love to be embarrassed at how quickly and easily someone > points me to it. > > A sample program would of course be ideal. :-) > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- Wayne V. Bickerdike ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
