[one-users] infiniband

[Shankhadeep Shome]

Hi Chris

iSER will work seamlessly as long as you run it on the hosts, it just
requires a compatible iSER target. TGTD should work, although the iser
target I tested with was a zfs appliance. I've never tested a Linux iSER
target solution. One commercially supported solution you can try out is
Mellanox's VSA, which presents block storage over iSER. You can try the
configuration with open-nebula lvm drivers. I think those drivers have
gotten a lot more robust in the last few weeks as well.

http://www.mellanox.com/content/pages.php?pg=products_dyn&product_family=105&menu_section=69

Shank

On Tue, Jul 10, 2012 at 10:08 PM, Chris Barry <cbarry at rjmetrics.com> wrote:

> @Shankhadeep
>
> Hi. We chatted a while back about IB, and you explained your IPoIB setup,
> and indeed you released your whole solution to the community. That was a
> very cool thing to do.
>
> I'm wondering how you arrived at your solution, because I wonder if I'm
> barking up a tree you've already determined has no cats... :)
>
> Was using IPoIB the initial goal, or did you try other methods before
> settling on this one? I ask because the tack I'm taking is to try to use
> iSER. After reading a lot more about how ONE works, it *seems* like it
> should be pretty easy (knock on wood). It seems like with tgtd (which
> luckily has iSER support built-in), it should essentially be transparent,
> as long as the initiator in the host is iSER aware as well. It almost seems
> like the iscsi method out of the box should 'just work'. Or, am I dreaming?
> :)
> Did you experiment along this vein?
>
> It would be greatly simplify the network configuration as well if it did
> work, because there would be no need for the NAT rules anymore - the guest
> would use OVS in the host for their networking.
>
> Anyway, I'm going to try that (unless you've already tried tried it to no
> avail) first, and I'll let you know how it goes.
>
>
>
> Regards,
> Christopher Barry
>
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>
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