On 7/19/2012 6:24 AM, Iwan Hoogendoorn wrote:
> Hey all,
>
> I am looking for some (cheap) hardware to build an storage array that can 
> talk iSCSI and FCoE.
> Can anybody here help me with building a hardware list?

Your question is very broad and it's hard to pick hardware without 
knowing what your needs are. There are a variety of FCoE capable CNAs 
(adapters) that have evolved from FC HBAs and there are Ethernet 
adapters that use SW to do the FC/FCoE protocol. Some of the Ethernet 
adapters have offloads to assist the I/O path, so there is a lot of grey 
area. There is a wide range of offerings regarding FCoE solutions. I 
work for Intel, so I would suggest you use Intel Ethernet adapters; I'm 
sure that developers at other vendors would have a different opinion. 
Since this list is a development resource and not a marketing portal so 
I'd rather not get into whose-adapter-is-better argument here. If you 
would like to know more about Intel Ethernet adapters I'd be happy to 
help you off-list.

The Open-FCoE project supports any Ethernet adapter, so if you're simply 
looking for the cheapest solution then finding the cheapest Ethernet 
adapter that supports Open-FCoE would be one way to go. However, FC and 
FCoE are complicated protocols, so finding a vendor that "supports 
Open-FCoE" is the key. Intel, Cisco and Broadcom have been the majority 
contributors to this project and I think that speaks to level of support 
that those adapters are given by the vendors.

There are a lot of things to consider. iSCSI vs FCoE: Do you have an 
existing FC installation? Are you starting a new SAN? Are you using DCB? 
Are you going through a switch/FCF, which one?

Hope this helps, //Rob
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