Johnny Hughes wrote: > On Thu, 2007-01-18 at 19:42 -0800, John R Pierce wrote: >>> IBM has a good reputation on Power and zSeries (not good for >>> CPU-intensive work, but disk I/O is in gigabytes/sec). >> The Power 4+ CPUs are quite powerful. >> >> >> A 4-way IBM pSeries 1.9Ghz outperformed a HP 4 way Opteron 2.4Ghz >> running a specific computationally intense Oracle pl/sql workload we >> benchmarked at work. The IBM was running AIX 5.3L, the Opteron RHEL 3 >> x86_64, both machines had at least 8GB ram (and weren't at all ram >> constrained). (RHEL 4 on the same Opteron configuration was >> slower!). Both systems were using 3 seperate 4 spindle raid10 on >> fiberchannel for the oracle tablespaces, the disk IO rates was quite >> high, almost exclusively writes, and not even close to a constraining >> factor. >> > > If anyone had one of these ppc64 blades available for donation to the > CentOS team for our ppc builder machine that would be most appreciated. Johhny Have you asked IBM for help here? IBM does provide free help to folk wanting zSeries for projects such as yours, you only need to ask. -- Cheers John -- spambait 1aaaaaaa at coco.merseine.nu Z1aaaaaaa at coco.merseine.nu Please do not reply off-list