Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread W B Hacker
erik quanstrom wrote: erik quanstrom wrote: this is not correct. please read http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect even at 33 mhz, pci has 133MB/s of bandwidth. gbe uses about 112MB/s. although there are some lower standards defined, pci-x has a practical base freque

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread erik quanstrom
> erik quanstrom wrote: >> this is not correct. please read >> http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect >> even at 33 mhz, pci has 133MB/s of bandwidth. gbe uses about 112MB/s. >> >> although there are some lower standards defined, pci-x has a practical base >> frequency o

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread W B Hacker
erik quanstrom wrote: Robert Sherwood wrote: PCI does not. It struggles to keep Gig-E 'well utilized' let alone saturated. PCI-X & PCI-E *may* have. Depends on a lot more than the spec itself. this is not correct. please read http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect even

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread erik quanstrom
> Robert Sherwood wrote: > PCI does not. It struggles to keep Gig-E 'well utilized' let alone saturated. > PCI-X & PCI-E *may* have. Depends on a lot more than the spec itself. this is not correct. please read http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect even at 33 mhz, pci has

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread erik quanstrom
well, this is a good news, bad news situation. the good news is that there's some support for bleeding-edge hardware. the bad news is that bleeding-edge hardware is relatively expensive. the marvell 88sx[56]0xx driver is much more affordable. you can get a 8-port card based on this chipset from n

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread erik quanstrom
> I presume these items are all outside of the pocket of hobbyists ? >> >> >> $700 for a card, and $12K for the switch. I believe you're right about > that. our fileserver and cpu server are connected by an inexpensive edgecore 2-port 10gbe + 24-port gbe switch + 2-port fiber switch. i believe it

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread W B Hacker
Robert Sherwood wrote: I can't find one online to buy and no-one's ebaying *anything* by Myricom. Nor can I find a 10G switch. You must be kidding: http://www.google.com/search?q=myricom I presume these items are all outside of the pocket of hobbyists ? $700 for a card, and $12K for th

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread Paweł Lasek
On 4/7/07, Robert Sherwood <[EMAIL PROTECTED]> wrote: Does anyone know whether the PCI or PCI-x backplane even has 10 gbps of throughput? Correct me if my info is wrong :-) IIRC one PCI-Express line equals bi-directional sync. 250 MiB/s. The fastest setting which is available now is AFAIK 32

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread matt
> I can't find one online to buy and no-one's ebaying *anything* by Myricom. Nor can I find a 10G switch. You must be kidding: http://www.google.com/search?q=myricom I had "pages from the UK" ticked.

Re: [9fans] myricom 10 gigabit ethernet

2007-04-07 Thread Robert Sherwood
I can't find one online to buy and no-one's ebaying *anything* by Myricom. Nor can I find a 10G switch. You must be kidding: http://www.google.com/search?q=myricom I presume these items are all outside of the pocket of hobbyists ? $700 for a card, and $12K for the switch. I believe you're

[9fans] myricom 10 gigabit ethernet

2007-04-07 Thread matt
coraid was given the blessing on monday to give the the myricom 10 gigabit ethernet *driver* with firmware for the cpu and fs kernels to the plan 9 community. I can't find one online to buy and no-one's ebaying *anything* by Myricom. Nor can I find a 10G switch. I presume these items are all o