Re: 10GbE speeds

2008-04-15 Thread gnn
At Sat, 12 Apr 2008 09:08:13 +1000, Aristedes Maniatis wrote: > > I have a project with 3 workstations all needing high speed access to > about 6Tb of storage. In the past I've installed technology such as > fibre channel connected SAN storage (using Apple's xsan) for up to a > dozen worksta

Re: 10GbE speeds

2008-04-15 Thread Aristedes Maniatis
On 15/04/2008, at 10:54 PM, [EMAIL PROTECTED] wrote: I am working with the Chelsio hardware and it seems to be well supported on FreeBSD. All the machines in that system are FreeBSD though. How do you intend to get the OSX systems to be 10GE? What sort of throughput are you getting with tha

Re: 10GbE speeds

2008-04-15 Thread Kip Macy
Myricom has OS X support, Chelsio has support in the works. I don't know about Neterion or Intel. -Kip On 4/15/08, Aristedes Maniatis <[EMAIL PROTECTED]> wrote: > > On 15/04/2008, at 10:54 PM, [EMAIL PROTECTED] wrote: > > I am working with the Chelsio hardware and it seems to be well > > su

Re: 10GbE speeds

2008-04-15 Thread Benjeman J. Meekhof
Hi Aristedes, We are/were testing FreeBSD on a Dell PE2950 with a Myricom 10GB PCI-Express copper CX card. The driver seems mature. In tests out of the box, I only saw about 3Gbps from iperf (testing against a linux system...and maybe there are other issues with our environment/that system

ZFS, Dell PE2950

2008-04-15 Thread Benjeman J. Meekhof
Hi, I posted earlier about some results with this same system using UFS2. Now trying to test ZFS. This is a Dell PE2950 with two Perc6 controllers and 4 md1000 disk shelves with 750GB drives. 16GB RAM, dual quad core Xeon. I recompiled our kernel to use the ULE scheduler instead of default.

Tweaking Disk Cache/Buffers and fsync

2008-04-15 Thread Stephen Moore
There's a lot of discussion on the sysctl settings for vfs disk cache/buffers, but very little consolidated or comprehensive explanations. I have a NAS box with 1GB of memory, but rarely see over ~40MB of utilization during file transfers. When writing a large file to the NAS, I see the trans