Ted, What sort of performance problem did multiple extents for a PDS ever cause? >From the IO point of view PDS access is a skip-sequential operation. You read the directory and then access the member directly at its CCHHRR. Seeking across other members is no different to seeking across extents of other datasets is it?
Or is there some history that I'm not aware of? Ron > > There is no issue if the libraries have gone into extents. > There used to be performance issues, but with modern disks, there are no > longer any. > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
