On 10/04/2013 05:05 PM, Paolo Bonzini wrote: > Il 04/10/2013 08:22, Alexey Kardashevskiy ha scritto: >> >> btw I tried "discard=on" as you described (with if=virtio) and received >> an error: >> [root@localhost ~]# fstrim -v / >> fstrim: /: FITRIM ioctl failed: Operation not supported >> >> In my case if=virtio means virtio-blk. If I use virtio-scsi or ibmvscsi, >> fstrim works just fine but failing virtio-blk bothers me a bit as we >> might have a bug in ppc64, do not we? (we == ppc64 folks, of course :) ) >> > > No, virtio-blk does not support trim.
So the example was broken or if=virtio uses virtio-scsi (instead of virtio-blk) on x86? -- Alexey
