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xen-users
Re: [Xen-users] AoE server & client on same physical xen box?
> A while back, I did some testing with Aoe on my xen boxes. I found
> that I could not get an Aoe partition from Dom0 served to a DomU on
> the same box. My conclusion is that you can't get an Aoe server and
> Aoe client to work on the same box, even between Dom0 and DomU, or a
> pair of DomUs. Is there something I might be missing? Anyone else
> successful?
I had to make a change to the vblade.c code... there's a packet size check
that seems to fail... I have no idea why it is only an issue in XEN
configurations, but it seems that it is... Here's the change:
--- vblade-14/aoe.c 2006-11-20 09:48:05.000000000 -0800
+++ vblade-14.tom/aoe.c 2007-04-17 19:07:35.000000000 -0700
@@ -202,7 +202,7 @@
perror("read network");
exit(1);
}
- if (n < 60)
+ if (n < 20)
continue;
p = (Aoehdr *) buf;
if (ntohs(p->type) != 0x88a2)
that seems to be sufficient to make vblade work "on the same box"
-Tom
Interesting... One of the other posts referred to
http://article.gmane.org/gmane.network.aoe.aoetools.general/606
... which is doing it "the other way", making the requester (kernel aoe
driver) pad the request to 60 bytes. There of course is a kernel vblade as
well, that would probably need a similar patch if you were going to fix it
on the vblade side... of course, there's nothing wrong with fixing it on
both sides... but if you are using the user space vblade program, that is
by far the simplest place to fix it.
-Tom
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