Martin Have you looked at Considerations for Multisite Sysplex Data Sharing<http://www.redbooks.ibm.com/abstracts/sg247263.html?Open>
It has a lot of details about the impact of the distance between sysplex sites. On Thu, Feb 11, 2010 at 6:03 PM, Martin Kline <martin.kl...@yrcw.com> wrote: > We have a sysplex with four processors, two of which run production work > with development work on the others. In their quest for trivia, my > management wants to know the impact to production if we move the > development processors to a second site, leaving the coupling facilities, > DASD, > VTS and primary network all on one site. > > I suspect this is a function of how much production data is being touched > by > the development systems as well as just the handshaking, messaging, etc. > across the entire sysplex. I also suspect it affects some online > transactions > and batch work much more than other work. In addition, they want to know > how much greater the impact is if the other site is twice as far away. > > And, just to make this interesting, they want an answer tomorrow. Actually > they would like it yesterday, but tomorrow will have to do. I've been > reading > several manuals, and I think the answer they should get is 42. > > Does anyone have any suggestions on where to concentrate my efforts (only > those that won't get me fired, please)? > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > -- Mike Shorkend m...@shorkend.com www.shorkend.com Tel: +972524208743 Fax: +97239772196 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html