Q: I have a project I always wanted to do for some time. I have two computers with only network that gives me speeds of 200MB/sec one way to connect. It will unload my RAM drive image 4-10GB each. It will come from RAM to the source velocity is not a consideration. On the destination side, it will go to December 1 15K SCSI disk array, R1 / 0. Both computers have several PCI-X / E slots so that will be okay. I had in mind just instantly connect three cat5e cables between them and see if I can figure out how combind, I forgot the technical term at this time. Can I do that without a switch in the middle? I also have multiple network fiber that I can try a better chance of that? I kind of want to stick with copper, because I have a Intel Gb NIC ports so that four slots will be on the source computer store. Ideas? Suggestions? Comments? Thank you.
Best Answer: It will work fine if you have an ADSL line, and they will not charge you more.
If your speed is around 1mbps down, when nobody is sharing this service, you may want to get BT to check your line out.
You could also look at using an ADSL providor who have their own LLU equipment in your local exchange
www.itreliance.co.uk
Re:even when the switch ports is etherchannel, if there are only one data stream going its not going to go above 1000Mbps. Correct me if I am wrong, but I think etherchannel is really still some method of load balancing traffic across ports. If there's only one flow of traffic, only one of the ports on the etherchannel will be used, hence the 1Gbs limit.
Re:If they are directly connected, problem solved.
Re:bonded NICs do nothing without bonded/etherchanneled ports.
Re:If you get Intel (or HP-branded) NICs, as well as many other major companies like 3Com, you can bond two identical NICs using their software with a variety of options (in the case of Intel/HP)…if you're using Windows 2000/2003.
Re:Two bonded (or trunked, etherchannel'd,…whatever the hell you feel like calling it today) 1Gb nic's should give you the bandwidth you need. 200MB/s = 1600Mb/s, so unless you have a massive overhead of more than 400Mb/s, you should be fine.
As for the implementation: that's gonna be fun. In the chance that you have OpenBSD running on both machines you should research OpenBSD trunking. If not, you will need to consider a capable switch.
Re:On the destination side, it will be going to a 12 disk 15K SCSI array, R1/0.
Re:How many spindles is your array going to be? RAID10 you said? Your array is going to determine the speed of the network you require. Also do not forget to factor in protocol overhead.
Re:I cant afford $1K/NIC nor a 4Gb SAN NIC plus a 4Gb switch.
Re:10 gig ethernet or 4 gig SAN.
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