ZFS Tests Linux 4.0 2 x Intel Xeon E5540 testing with a SUN ASSY X4170 and ASPEED ASPEED Family on Ubuntu 15.04 via the Phoronix Test Suite. RAIDZ: Processor: 2 x Intel Xeon E5540 @ 2.53GHz (16 Cores), Motherboard: SUN ASSY X4170, Chipset: Intel 5520 I/O + ICH10R, Memory: 36864MB, Disk: 2 x 147GB Seagate ST914603SSUN146G + 6 x 300GB H106030SDSUN300G, Graphics: ASPEED ASPEED Family, Monitor: DELL S2409W, Network: Intel 82575EB Gigabit Connection OS: Ubuntu 15.04, Kernel: 4.0.0-040000-generic (x86_64), Compiler: GCC 4.9.2, File-System: zfs, Screen Resolution: 1280x1024 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better RAIDZ . 340.30 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better RAIDZ . 380.18 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better RAIDZ . 941.68 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better RAIDZ . 410.11 |=============================================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better RAIDZ . 12.82 |================================================================ FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better RAIDZ . 12.00 |================================================================ FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better RAIDZ . 11.72 |================================================================ Dbench 4.0 Client Count: 1 MB/s > Higher Is Better RAIDZ . 28.88 |================================================================ Compile Bench 0.6 Test: Compile MB/s > Higher Is Better RAIDZ . 399.74 |=============================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better RAIDZ . 72.84 |================================================================ Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better RAIDZ . 766.08 |=============================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better RAIDZ . 1111 |=================================================================