"and one (1) primary and eight (8) seconday extents on a 3390 mod-9 volume"
Correction ... "and one (1) primary and two (2) seconday extents on a 3390 mod-9 volume". The maximum dataset size would then be 12 time 3,000 cylinders plus 2 times 4,000 cylinders (36,000 + 8,000), or 44,000 cylinders. ---------------------------------------------------------------------- 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