zfs-iscsi KVM testing on Ubuntu 18.04 via the Phoronix Test Suite. iSCSI Disk: Processor: Intel Xeon E3-12xx v2 @ 2.60GHz (6 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 34GB iSCSI Disk, Graphics: EFI VGA, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 4.15.0-38-generic (x86_64), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 800x600, System Layer: KVM IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better iSCSI Disk . 4735 |============================================================ IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better iSCSI Disk . 343 |=============================================================