Got it. Thank you very much. Best, Weiwei Jia
On Mon, Dec 19, 2016 at 5:58 AM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > On Fri, Dec 16, 2016 at 04:42:54PM -0500, Weiwei Jia wrote: >> Has x-data-plane been used (or accepted) widely in systems. I have >> this concern since if it hasn't been widely accepted, it may >> have/cause some problems we don't know. Do you know some hidden >> problems which may caused by QEMU x-data-plane feature in systems? > > By now virtio-blk dataplane has been tested a fair amount. virtio-scsi > dataplane is more recent. > > I'm not aware of known issues with virtio-blk dataplane in modern QEMU > but you seem to be using an older QEMU. Originally dataplane had a lot > of limitations (no live migration, no image file formats, no block > jobs) so be sure to check that your QEMU supports these things with > dataplane if you need the features. > > Stefan
