On Fri, 2 Mar 2007 16:35:23 -0600, Blaicher, Chris <[EMAIL PROTECTED]> wrote:
>The limit for CKD volumes is a little more than 54GB. I come up with a >number closer to 500GB. Past that and IBM will need to go to logical >volumes on a physical volume. The reason is the CCHHR count field. > >Max CC is FFFF, which give 65536 cylinders (don't forget cylinder 0) >Max HH is E, which gives 15 tracks per cylinder Only if 3390 geometry us maintained. > >That gives: >65536 cylinders times 15 tracks times 56664 bytes = 983040 tracks * >56664 >983040 tracks * 56664 = 557,053,378,560 > There's where your arithmetic went wrong. 983,040 * 56,664 = 55,702,978,560 983,949 * 566,664 = 557,053,378,560 -- Tom Marchant ---------------------------------------------------------------------- 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
