The only comment is that the km or miles start to add up when a signal to a CF has to make the round trip there and back again.
When looking at response times .. distance can make a difference. In general... the fact that this stuff can be done is just really cool. Rob Schramm On Oct 9, 2013 1:33 PM, "Scott Fagen" <scottfagen...@yahoo.com> wrote: > On Tue, 8 Oct 2013 17:38:02 +0300, Sheldon Davis wrote: > > >I was wondering what the maximum distance would be for a Parallel > Sysplex with DB2 Data Sharing on two BC12's. > > From http://www-03.ibm.com/systems/z/advantages/gdps/faqs.html > > How far apart can I spread my CF's? How far can I stretch my Parallel > Sysplex? > > ISC-3 links can be extended to 100 km without any RPQ. With RPQ 8P2263 > using qualified DWDM equipment, this can be extended to significantly > longer distances. Distances affect workload response times. More detail on > this is described in "GDPS/PPRC 100KM Test" at > http://www.ibm.com/common/ssi/fcgi-bin/ssialias?infotype=SA&subtype=WH&appname=STGE_ZS_ZS_USEN&htmlfid=ZSW03119USEN&attachment=ZSW03119USEN.PDF > > (mind any split). > > Scott Fagen > Chief Architect - Mainframe > CA Technologies > > ---------------------------------------------------------------------- > 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
