>>> >>> >>>NUMA as in Sequent NUMA (non-uniform memory architecture, or >>>maybe it is access). There is more to server performance >>>that just the CPU speed. I don't mean to pick apart your email, but a NUMAQ-2000 with 4 CPUs actually is not NUMA. That is the base building block which is just a 4 CPU box. The system is not a NUMA until you stick an OBIC (510 pin Ga ASIC)/SCSLIC card on the bus. You did say it was a 4 CPU box, right ? >>>A reduction in disk platters may not have the negative >>>effect on IO that you might expect when you consider that it >>>was not possible to write to all the disks at once. The >>>disks were more or less daisy chained together so that you >>>could only write to one disk in a chain at a time. You are talking about a SCSI channel, right ? >>> >>>The devil is in the details that most of us do not have time >>>or the interest to really get to understand. You are correct. -- //www.freelists.org/webpage/oracle-l