On Mon, 10 Aug 2009 07:20:35 -0700, Walter Marguccio <[email protected]> wrote:
>>>On Sun, 9 Aug 2009 21:01:42 -0700, Gibney, Dave <[email protected]> wrote: > >>> I'm led to understand that our four would LPARs push or exceed GRS ring performance. > >>From: Mark Zelden [email protected] > >> I can't say I have been in any 4 system GRS ring (using XCF) shops >> in the last 10 years, so perhaps someone with that configuration can share. > >we have such configuration. We recently added a 4th LPAR to our existing >3-LPARs basic sysplex. I had the same concerns as Dave's, but after more than >one month I can say GRS ring (exploiting XCF) is not a problem. >I use RMF PM to keep on eye on XCF delays, and the average delay GRS shows >is around 4 %. Which is acceptable to me. We have still a 2086-230, z/OS 1.7 >everywhere except z/OS 1.9 on the sandbox LPAR. > > >Walter Marguccio >z/OS Systems Programmer >BELENUS LOB Informatic GmbH >Munich - Germany > Out of curiosity: What type of XCF inks (ESCON or FICON)? How many? Do you have XCF transport classes set up / tuned? Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:[email protected] z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

