We can't use xcr mode because of RTO and RPO requirements, all DASD must in sync mode,
Jesse 1 Robinson <jesse1.robin...@sce.com> 於 2018年2月15日 星期四寫道： > When we started mirroring for DR around 2000, we opted for XCF (now > something-something-for-z/OS) over PPRC because of possible I/O impact. XRC > was asynchronous, so mirroring might get behind but not impact production. > > . > . > 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 > robin...@sce.com > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Tommy Tsui > Sent: Wednesday, February 14, 2018 1:15 PM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: (External):DASD problem > > > > > Hi all, > > > Our shop found the most job elapse time prolong due to pprc > synchronization versus without pprc mode. It's almost 4 times faster if > without pprc synchronization. Is there any parameters we need to tune on > z/os or disk subsystem side? We found the % disk util in RMF report over > 80, Any help will be appreciated. Many thanks > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
