<div>You'll probably be better off looking at an infiniband-based solution. I just picked up two dual port Mellanox 10G 8x PCIe cards and a 1m cable for under US$200.</div><div><br></div><div>Aside from just bandwidth, the other advantage 1/4 of the latency of a gigabit ethernet setup, although my suspicion is that you might lose some of this advantage after your packets traverse through the IPoIB layers.</div>
<div><br></div><div>As I'm still waiting on my ebay purchases to arrive, I might come to regret this advice once I actually try to set it up and configure it. <i>Caveat Emptor.</i></div><div><br></div><div>Mike</div><div>
<br><div class="gmail_quote">On Thu, May 13, 2010 at 11:06 AM, Bart Coninckx <span dir="ltr"><<a href="mailto:bart.coninckx@telenet.be">bart.coninckx@telenet.be</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div><div></div><div class="h5">On Thursday 13 May 2010 17:01:46 Bart Coninckx wrote:<br>
> Hi,<br>
><br>
> would it make sense to use four bonded gigabit NICs when the DRBD storage<br>
> is, let's say, a RAID 5 on 10K RPM SAS drives? Or would 2 cards be<br>
> sufficient? I don't have the drives and the controller yet, so I have no<br>
> idea on what their performance is.<br>
><br>
> I'd like to order all hardware at once, but it is hard to get a grip on<br>
> possible performance values.<br>
><br>
> Anyone any "feel" for this?<br>
><br>
> Thx!<br>
><br>
><br>
> Bart<br>
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><br>
<br>
</div></div>mmm, googlen "DRBD bond four" pointed me to:<br>
<br>
<a href="http://www.mail-archive.com/drbd-user@lists.linbit.com/msg00975.html" target="_blank">http://www.mail-archive.com/drbd-user@lists.linbit.com/msg00975.html</a><br>
<br>
where Florian explains 4 is a bad idea. Two it is then.<br>
<br>
Cheers,<br>
<font color="#888888"><br>
B.<br>
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