On Thu, 13 Jul 2006 11:51:57 +0200, R.S. <[EMAIL PROTECTED]> wrote: >Klein, Kevin wrote: > >> We're looking at upgrading our DASD. In the process, we're considering going to all mod-9s or higher. Other than the 64k-1 track limit that was "fixed" in z/OS 1.7, are there any technical gotchas if I use mod-9s as system volumes? > >1. Some software could have problem with cyl # > 32760. >2. I vote for regular mod-9. It is standard size, no problems with DR, >full volume restore's, remote copy, flash copy, migration to anothe disk >vendor, etc. Last but not least: mod-9 is enough big. One RES, one DLIB. > >My $0.02 > >-- >Radoslaw Skorupka >Lodz, Poland >
I pretty much agree with Radoslaw. Unless you are a very large shop and are under UCB constraints, mod-9 may be the simplest way to go. Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group mailto: [EMAIL PROTECTED] z/OS and OS390 expert at http://searchDataCenter.com/ateExperts/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html ---------------------------------------------------------------------- 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
