On Tue, 2017-03-28 at 15:08 +0200, Laszlo Ersek wrote: > On 03/28/17 14:21, Patrick O'Callaghan wrote: > > On Tue, 2017-03-28 at 11:47 +0200, Laszlo Ersek wrote: > > > I recommend the following setup: > > > > > > - hard disk(s): virtio-blk or virtio-scsi disk, as you prefer > > > > I'm interested in why someone would prefer one over the other. Can you > > explain? > > I prefer virtio-scsi because it supports thin provisioning (UNMAP scsi > operation); it lets me conserve space in host filesystems that support > discard (such as ext4 or xfs, for example -- there may be more). Given > the right configuration, if you delete files in your Windows 8 or > Windows 10 VM, the space is eventually released on the host filesystem.
OK, thanks. > With virtio-blk, the software stack is less featureful and thereby > thinner, which is said by some to lead to better performance. Also, as > far as I know, dataplane is only available for virtio-blk at the moment, > it is in progress for virtio-scsi. (I could be out of date on that > though.) YMMV. No idea what that is. As I'm not provisioning multiple high-load servers, does this matter to me? poc _______________________________________________ vfio-users mailing list [email protected] https://www.redhat.com/mailman/listinfo/vfio-users
