So which is it 64Ki (65536) or 65520 (from z/OS point of view - disk hardware vendors may have other limitations)?
Ken -----Original Message----- John Eells <big snip> Up to 64K cylinders are supported on DS6000 and DS8000 devices. From "Preview: IBM z/OS V1.7 and z/OS.e V1.7: World-class computing for On Demand Business," IBM United States Software Announcement 205-034, dated February 15, 2005: these storage devices support a new 65,520 cylinder 3390 volume. -- John Eells z/OS Technical Marketing IBM Poughkeepsie [EMAIL PROTECTED] ---------------------------------------------------------------------- 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

