I have upgraded the BIOS to the latest (2.6.4 iirc) and that has not resolved the issue. I have tried with the onboard broadcom nic and a single intel pci gigabit nic, and also a single intel pcie nic. No change in throughput.
On Thu, Oct 21, 2010 at 3:24 PM, Seth Mos <seth....@dds.nl> wrote: > Hi, > > Op 21 okt 2010, om 20:06 heeft Christian Borchert het volgende > geschreven: > > I have a Dell Optiplex 745 > SFF<http://www.dell.com/downloads/global/products/optix/en/opti_745techspecs.pdf> > (Core > 2 Duo) with an Intel PRO/1000 MT Dual Port Server > Adapter<http://www.intel.com/products/server/adapters/pro1000mt-dualport/pro1000mt-dualport-overview.htm> > > > What might be happening here is the somewhat peculiar setup of the pci > slot(s) on the Dell optiplex machines. > > For example, the x16 slot is not x16, it is x1. There are a number of odd > shortcuts where I've hit those sort of limits before. I'd blame the > optiplex. You might find that a bios update might sometimes bright a > negligable improvement. > > I've bumped into a number of those things when I test with dell optiplexes > which work fine in a entry level poweredge 850 but hit odd performance > limits in the optiplex. > > The processor shouldn't be a issue. The 2.13 xeon in the poweredge 860 does > 600mbps with a iscsi connection. > > I've also hit issues with a gx240 p4 box that wouldn't boot with 2 intel > dual port mt cards in it. > > Regards, > > Seth >
