Re: [Qemu-devel] virtio-scsi vs. virtio-blk

[Stefan Priebe]

Yes cache none. Is there a bugfix for 1.1.1?

Stefan

Am 08.08.2012 um 18:17 schrieb Paolo Bonzini <address@hidden>:

> Il 08/08/2012 17:21, Stefan Priebe ha scritto:
>> Hello list,
>> 
>> i wanted to start using virtio-scsi instead of virtio-blk, cause it
>> offers the possibility to use discard / trim support.
>> 
>> Kernel: 3.5.0 on host and guest
>> Qemu-kvm: 1.1.1 stable
>> 
>> But i'm not seeing the same or nearly the same speed:
> 
> 1) How did you start the guest?  Did you use cache=none?
> 
> 2) Please try the latest qemu-kvm release.  1.1 didn't use ioeventfd for
> virtio-scsi by mistake.
> 
> Paolo