This may be OT for your actual question, but an alarm went off in my head while reading this post. If you carefully shut down your systems before copying to your DR site, you may well find yourself in a world of hurt in the event of a real disaster. If systems die a sudden death without warning, you will have no opportunity to shut down cleanly or do any other kind of processing on the production side.
To test DR properly, you need to stop processing like yanking a plug. How you accomplish that action depends on your configuration and mirroring technology (if any). Maybe you depend on tornado alerts where you live. We have earthquakes. No time for any preparation whatsoever. . . . J.O.Skip Robinson Southern California Edison Company Electric Dragon Team Paddler SHARE MVS Program Co-Manager 626-302-7535 Office 323-715-0595 Mobile [email protected] -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Tony Thigpen Sent: Saturday, November 07, 2015 10:01 AM To: [email protected] Subject: (External):Question on IMS and dr volume backups We are testing DR for an OS/390 2.10 system with IMS. Before the backups, CICSs are shut down and /DBR DB ALL is issued. We then copy all disk volumes to tape to send to the DR site. When we restore the system to the DR box, sometimes we have to issue the /ERESTART OVERRIDE command to get IMS happy. Sometimes IMS is happy without the /ERESTART. My main systems programmer says 'We are doing it the way we always have.' I am wondering if there is something else we should be doing. [We can't flash as OS/390 2.10 does not talk correctly with flashcopy on the DS8300 we are using. A flash command turns into a standard disk copy.] -- Tony Thigpen ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
