On the sending DASD there is a 1 bit per track table of updated tracks. When each track is sent the bit is reset. When it gets caught up it sets a sync point.
On Wed, Feb 13, 2019 at 9:44 PM Peter <dbajava...@gmail.com> wrote: > > Hi > > One of our DS box in DR had a power failure last night and our production > LPARS logon got impacted . When I checked up the RMF i saw many DASD > devices were overloaded and flood of PPRC error messages too in SYSLOG. > > Once we fixed the power failure and re-established the replication the > logins and all the application started running. > > Is there any relationship to system performance with the PPRC failure ? > > Peter > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN