>Your can divide this storage up in any format you like 3’s 24’s, what not.
>Why the operate with mod 3’s is beyond me it cause more problems then it >solves. Maybe because changing to bigger volumes costs downtime of the control unit? At least I was told it does, as the CU cannot be reconfigured while active IO is going on. And downtime of the control unit means downtime for x number of lpars behind that control unit, most of them IPL-able 4 times per year. And no, we don't have enough money to have two CUs per lpar. Actually, we do, but those are the mirrors. Regards, Barbara Nitz ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html