On Thu, 23 May 2013 16:44:55 +0200, Thomas Berg wrote: >The system should allocate/reallocate according to what is >needed in the actual/immediate need for the dataset without >dumping the problem to the user! (Of course limited by >appropriate resource constraints.)"
For situations like that, I like to use an allocation like CYL,(1,100). Allocate a small primary and a much larger secondary. Maybe also allowing multiple volumes. Perhaps another useful construct would be an allocation where each secondary extent was bigger than the previous. SMS would have a hard time with such a data set though. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
