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. Paolo
