Re: [Xen-users] Changing MTU of vif

[Tracy R Reed <treed@xxxxxxxxxxxxxxx>]

Phillip Bennett wrote:
> I see your problem.  I had the impression you were exporting the 
> hardware to the DomU.  (I guess that's what I am going to do, I just 
> assumed)  I guess actually finding the interface you need would be a lot 
> harder..  I haven't had to do this, so can't offer anything useful.
Actually, it shouldn't be hard at all if I could just get my trivial 
change to vif-bridge to work:
case "$command" in
    online)
        setup_bridge_port "$vif"
        add_to_bridge "$bridge" "$vif"
        if [ ${bridge} = "stbr0" ]; then
            ip link set ${dev} mtu 9000
        fi

That should set the mtu on the vif being connected to my SAN bridge when 
the domain is created. But for some reason this seems to hang.
> That sounds like a sweet setup!  Do you think it's faster than the 
> Coraid units then?  How is it pricewise?  (I'm guessing it's a LOT 
> cheaper...)
I don't know if it is any faster since I use nearly identical hardware: 
Same mobo, chassis, cpu, etc. Main different is the RAID controller. It 
is quite a bit cheaper. But the main reason I like it is that it runs 
Linux so I can use Linux's LVM to slice the disk however I want. Coraids 
volume management is a bit crude.

> Fair enough.  I'd say I'm faily experienced...  Hopefully enough to get 
> it up and running satisfactorily. :)
Cool. Keep an eye on xenaoe.org as I am writing up a detailed howto and 
will be opening up all of my code in svn soon. Yesterday I added a HOWTO 
build your own zero single point of failure cluster which so far 
includes a parts/price list.
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