Thanks! . . J.O.Skip Robinson Southern California Edison Company Electric Dragon Team Paddler SHARE MVS Program Co-Manager 323-715-0595 Mobile 626-543-6132 Office ⇐=== NEW [email protected]
-----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Jerry Whitteridge Sent: Friday, June 14, 2019 4:16 PM To: [email protected] Subject: (External):Re: Volume compare utility Good to hear it went well Skip Jerry Whitteridge Delivery Manager / Mainframe Architect GTS - Safeway Account 602 527 4871 Mobile [email protected] IBM Services IBM Mainframe Discussion List <[email protected]> wrote on 06/14/2019 03:44:07 PM: > From: Jesse 1 Robinson <[email protected]> > To: [email protected] > Date: 06/14/2019 03:44 PM > Subject: [EXTERNAL] Re: Volume compare utility Sent by: IBM Mainframe > Discussion List <[email protected]> > > This thread was originally motivated by needing to move from an older > DS8 subsystem to a new one. We've done this repeatedly over the years > with a combination of utilities and IPLs spread over several months. > The goal this time was to do it in a big bang allowing for several > hours of down time but otherwise all in one single window. The problem > with our old way of doing things was that we would encounter many > separate periods of DR risk where we could not recover the entire > production environment. This time, by using PPRC with all systems > down, there was no risk window since no data updates could occur in > the meantime. > > I'm happy to report that the new procedure worked. We abandoned the > idea of 'comparing volumes' as taking too long with minimal payback. > We shut it all down, synched up data volumes via PPRC, and IPLed > everybody with an IODF that contained the new DS8 in place of the old. > It went even smoother that we hoped for. Lots of planning and desk > checking, no serious oversights. > > Thanks to all who contributed to this project! > <snip> ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
