On 2017-10-03, at 07:39, Buckton, T. (Theo) wrote: > > Can somebody direct me to documentation on temporary data sets. I need to > understand the characteristics and restrictions of these &&TEMP data sets: > Space limits; > Can it extend over more than 1 volume if so, would a multi-volume temp data > set pose a problem if it is referenced again by a different DD statement in > the same job step? > The JCL Ref. says:
REF=*.ddname ... | VOL=REF obtains the volume serial numbers ... I assume use of plural implies multiple volumes are supported. | from the referenced ... earlier DD statement. ... | No other information is retrieved by VOL=REF; in particular it does not obtain | the volume sequence number, volume count, or data set sequence number. Ugh. So the programmer must keep the data set sequence number on a sticky note on a desktop. But I suppose that VOL=REF is superfluous for catalogued data sets and that multiple temp data sets are rarely stacked on volumes. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
