My instructions to operations (which has always worked and I have tested many times) is to wait for this message prior to starting to IPL the next LPAR when IPLing multiple LPARs in the sysplex"
ISG004I GRS COMPLEX JOINED BY SYSTEM sysname This is right after all the couple data set processing. 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 On Wed, 31 Oct 2007 12:25:33 -0400, Chris Burgess <[EMAIL PROTECTED]> wrote: >Thanks Gary that is excellent information. We are actually a test lab and we are trying to IPL 15 LPARs at one shot. At this point we have not be able to get them all up in a sysplex environment. I am trying to figure the best way to tune the sysplex to make that happen. > > > >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Diehl, Gary (MVSSupport) >Sent: Wednesday, October 31, 2007 11:02 AM >To: IBM-MAIN@BAMA.UA.EDU >Subject: Re: CNZ9003I Message > >Chris, > >If you're actually getting these, it's an improvement over what used to >happen when you IPL'd systems too closely together chronologically. >They used to either wait state, or go out to "la la land" and never >report back, load an OS, or wait state (green on HMC, "operating", but >no OS ever shows up). Images/LPARs that are IPLd too close together >appear to be fighting over access to the CFs to check in to the PLEX, >and from what I've seen the CFs only seem to be able to check in one >system at a time in a very serial manner. > >Wait until the LPAR joining the plex is responding to a routed D A,L >command and has at least one task started before performing the >load/activate on the next LPAR. (alternately, wait 2-3 minutes between >activations, that seems to work as well) > >Hope this helps, > >Gary Diehl ---------------------------------------------------------------------- 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