Adam Lindsay wrote: > In asking about ZFS performance in streaming IO situations, discussion > quite quickly turned to potential bottlenecks. By coincidence, I was > wondering about the same thing. > > Richard Elling said: > >> We know that channels, controllers, memory, network, and CPU bottlenecks >> can and will impact actual performance, at least for large configs. >> Modeling these bottlenecks is possible, but will require more work in >> the tool. If you know the hardware topology, you can do a >> back-of-the-napkin >> analysis, too. > > > Well, I'm normally a Mac guy, so speccing server hardware is a bit of > a revelation for me. I'm trying to come up with a ZFS storage server > for a networked multimedia research project which hopefully has enough > oomph to be a nice resource that outlasts the (2-year) project, but > without breaking the bank. > > Does anyone have a clue as to where the bottlenecks are going to be > with this: > > 16x hot swap SATAII hard drives (plus an internal boot drive) > Tyan S2895 (K8WE) motherboard > Dual GigE (integral nVidia ports) > 2x Areca 8-port PCIe (8-lane) RAID drivers > 2x AMD Opteron 275 CPUs (2.2GHz, dual core) > 8 GiB RAM > I'm putting together a similar specified machine (Quad-FX with 8GB RAM), but fewer drives. If there any specific tests you want me to run on it while it's still on my bench, drop me a line.
Ian _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
