Re: [Xen-users] AoE does not discover

[Javier Guerra <javier@xxxxxxxxxxx>]

On Wednesday 12 July 2006 1:26 pm, Tracy R Reed wrote:
> Hello all!
>
> Anyone here use AoE? I cannot seem to find an AoE specific mailing list.

i use it, but not (yet) with Xen

> my initrd is having problems getting AoE set up. I am using kernel
> vmlinuz-2.6.16.13-xen.
>
> AoE is compiled in statically.

the AoE driver merged in the mainline Linux kernel is very old; better try to 
use the Coraid's one (if compiled as a module, no need to change the kernel)

> /sys/module/aoe/parameters/aoe_iflist contains the active
> ethernet interface. If I echo interface names into /dev/aoe/interfaces
> they appear in /sys/module/aoe/parameters/aoe_iflist so I know aoe is
> loaded and doing something.
>
> But when I do echo 1 > /dev/aoe/discover nothing happens.

are you using AoE in the Dom0, or DomU? if DomU, you can't use routed network, 
since AoE isn't IP, even on bridge, i wouldn't be surprised if the bridge 
get's in the way of discovery.  also, if you use it in DomU, each packet 
would pass at least twice thought Dom0 before getting to the DomU.

in short, the AoE initiator should be in Dom0

> ethernet. If I run tethereal on the vblade machine looking for some sort
> of AoE related traffic I see nothing coming across the wire. I do see

Again, since AoE isn't IP, you should look for ethernet frames type 0x88A2


-- 
Javier

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