Re: Custom KVM Parameters?

[Iustin Pop]

On Wed, Jul 18, 2012 at 10:15:06PM -0700, CharlesTassell wrote:
> Hello,
>
> Is there any way to add custom parameters to a KVM instance? IE, I have
> a couple Windows XP vms and they run dog-butt slow without the
> "-kvm-shadow-memory 1" parameter, but I can't figure out how to add that to
> an instance through Ganeti. I don't even mind if it's cluster wide, as I'm
> sure it won't hurt the other VMs.

Sadly no, there isn't, but this seems like a good idea. Please file a
bug report about this!

thanks,
iustin

[Matthew Thode]

On 07/19/2012 12:15 AM, CharlesTassell wrote:
> Hello,
>
> Is there any way to add custom parameters to a KVM instance? IE, I have
> a couple Windows XP vms and they run dog-butt slow without the
> "-kvm-shadow-memory 1" parameter, but I can't figure out how to add that to
> an instance through Ganeti. I don't even mind if it's cluster wide, as I'm
> sure it won't hurt the other VMs.
>
>

hugepages may help since there is not currently a way to do this.

--
-- Matthew Thode

[Guido Trotter]

Well, it's definitely possible with transparent hugepages.
But, yes, direct hugepages support and generic parameters as well
would be good. :)

Thanks,

Guido