cachemode=none, io threat=yes, discard=yes, ssd emulation=yes, virtio SCSI, SCSI, virtio blocksize=4K. (differences to Round 2 Run 1 are bold) root@Hypervisor:~# zpool status Code: pool: VMpool9 state: ONLINE config: NAME STATE READ WRITE CKSUM VMpool9 ONLINE 0 0 0 mirror-0 ...