Re: [Qemu-discuss] Using vhost scsi

2016-07-28 Thread Fam Zheng
On Wed, 07/27 15:17, Michael S. Tsirkin wrote: > On Wed, Jul 27, 2016 at 09:34:25AM +0100, Stefan Hajnoczi wrote: > > On Tue, Jul 26, 2016 at 06:35:30PM +, Yehuda Yitschak wrote: > > > Thanks a lot for the detailed answer > > > > > > I managed to run virtio-scsi and i am benchmarking the perf

Re: [Qemu-discuss] Using vhost scsi

2016-07-27 Thread Michael S. Tsirkin
On Wed, Jul 27, 2016 at 09:34:25AM +0100, Stefan Hajnoczi wrote: > On Tue, Jul 26, 2016 at 06:35:30PM +, Yehuda Yitschak wrote: > > Thanks a lot for the detailed answer > > > > I managed to run virtio-scsi and i am benchmarking the performance > > > > just curios, does virtio-scsi deliver ab

Re: [Qemu-discuss] Using vhost scsi

2016-07-27 Thread Stefan Hajnoczi
On Tue, Jul 26, 2016 at 06:35:30PM +, Yehuda Yitschak wrote: > Thanks a lot for the detailed answer > > I managed to run virtio-scsi and i am benchmarking the performance > > just curios, does virtio-scsi deliver about the same performance as > vhost-scsi ? Both virtio-scsi and vhost-scsi

Re: [Qemu-discuss] Using vhost scsi

2016-07-26 Thread Yehuda Yitschak
Hi Stefan Thanks a lot for the detailed answer I managed to run virtio-scsi and i am benchmarking the performance just curios, does virtio-scsi deliver about the same performance as vhost-scsi ? i was surprised to learn that vhost-scsi isn't widely used. i thought vhost-scsi should be the fa

Re: [Qemu-discuss] Using vhost scsi

2016-07-26 Thread Stefan Hajnoczi
> i figured out how to use virtio-blk but i can't find any reference on > how to use vhost scsi Back in 2012 I used the following host CD-ROM passthrough script for testing. Nowadays I would suggest looking into targetcli (http://linux-iscsi.org/wiki/Targetcli) instead of poking configfs directly

[Qemu-discuss] Using vhost scsi

2016-07-25 Thread Yehuda Yitschak
Hello Everyone I am trying the compare the performance of virtio-blk, vhost-scsi, and native host on a SATA3 SSD. i figured out how to use virtio-blk but i can't find any reference on how to use vhost scsi i figured i probably need to use "-device virtio-scsi" but other than that i couldn'