On Mon, Dec 29, 2008 at 10:31 PM, Joe,Yu <span dir="ltr"><<a href="mailto:smartjoe@gmail.com">smartjoe@gmail.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="gmail_quote"><div class="Ih2E3d"><div><div><div class="gmail_quote">On Tue, Dec 30, 2008 at 3:42 AM, Nathan Stratton <span dir="ltr"><<a href="mailto:nathan@robotics.net" target="_blank">nathan@robotics.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>On Tue, 30 Dec 2008, Joe,Yu wrote:<br>
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<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hello guys,<br>
<br>
'Coz DRBD nodes sync data all through the GigE network(normal topology).<br>
Does it make sense that use Infiniband hardware replace GigE as the<br>
inter-connection link for DRBD nodes to have outstanding performance boost?<br>
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We use IPoIB, it's a performance hit, over verbs, but much better then GigE.<div><br>
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<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
We have deployed a 4 nodes Oracle RAC Cluster 1 years ago with HP's<br>
infiniband products and gained big performance improvement. This encourage<br>
us to think of this day-and-day cheaper hardware solution for a faster DRBD<br>
cluster.<br>
</blockquote>
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With all of the Infiniband parts on ebay, or even the cost new it is worth it.<br>
</blockquote></div><br><br></div></div></div><div>Any idea for Linbit and DRBD community to develop native DRBD driver upon IB? </div><div>Just like we do in HPC cluster ? To achieve hight performance parallel I/O by utilizing lustre over IB.</div>
</div></blockquote><div><br>I'd love to see DRBD over RDMA myself (see my earlier post about IPoIB sync speed), but iirc it was stated that it's a long ways off if at all, possibly for DRBD9.<br><br>-Gennadiy<br></div>
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