On 11/12/2010 9:19 AM, Edward Ned Harvey wrote:
Since combining ZFS storage backend, via nfs or iscsi, with ESXi
heads, I'm in love. But for one thing. The interconnect between the
head & storage.
1G Ether is so cheap, but not as fast as desired. 10G ether is fast
enough, but it's overkill and why is it so bloody expensive? Why is
there nothing in between? Is there something in between? Is there a
better option? I mean ... sata is cheap, and it's 3g or 6g, but it's
not suitable for this purpose. But the point remains, there isn't a
fundamental limitation that **requires** 10G to be expensive, or
**requires** a leap directly from 1G to 10G. I would very much like
to find a solution which is a good fit... to attach ZFS storage to vmware.
Any suggestions?
So, this will likely be outside your comfort zone, but have you thought
about infiniband? It's still cheaper per port than 10GE, and you get
TONS of bandwidth at low latency. It also comes native with IP over IB
if you want to do that (L2) or you can go to the native IB storage
protocols as some have done (ISER/SRP), but that's even more outside.
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