JT_FreeNAS Xen HVM domU 4.7.6-6.3.1.xcp testing on Debian 9.6 via the Phoronix Test Suite. VM-Store-No-Sync_NFS: Processor: Intel Xeon E3-1225 v3 (1 Core), Motherboard: Xen HVM domU (4.7.6-6.3.1.xcp BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1024MB, Disk: 9GB, Graphics: bochsdrmfb OS: Debian 9.6, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.7.6-6.3.1.xcp IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better VM-Store-No-Sync_NFS . 8574 |================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better VM-Store-No-Sync_NFS . 5605 |================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better VM-Store-No-Sync_NFS . 99.48 |================================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better VM-Store-No-Sync_NFS . 101 |=================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better VM-Store-No-Sync_NFS . 8823 |================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better VM-Store-No-Sync_NFS . 107.78 |================================================