On Friday, 08/27/2010 at 12:22 EDT, Mike Walter <mike.wal...@hewitt.com> wrote: > > There have been previous reliable posts (which I can't seem to find right > now) relating that the order in which real devices (RDEVs) come online > during IPL is NOT GUARANTEED to be in serially ascending order. Certainly > not since the XA subsystem was implemented. Perhaps not even before then, > some ancient, little-used synapses are whispering "contingent connection" > in my ear (along with all those other people who just whisper in my mind).
That's how it worked ages ago, but it was specifically re-engineered to work in ascending RDEV order, regardless of variation in DASD response times or subchannel assignments. Alan Altmark z/VM Development IBM Endicott
