samjung 2 x Intel Xeon E5-2620 v4 testing with a Intel S2600CW and Matrox s MGA G200e [Pilot] (SEP1) on CentOS Linux 7 via the Phoronix Test Suite. NFS async / ZFS sync=standard 8TB 24ea Raidz2: Processor: 2 x Intel Xeon E5-2620 v4 @ 3.00GHz (32 Cores), Motherboard: Intel S2600CW, Chipset: Intel Xeon E7 v4/Xeon, Memory: 6 x 16384 MB DDR4-2134MHz Samsung, Disk: 150GB INTEL SSDSC2BB15 + 1200GB INTEL SSDSC2BB01, Graphics: Matrox s MGA G200e [Pilot] (SEP1), Network: Intel I350 Gigabit Connection OS: CentOS Linux 7, Kernel: 3.10.0-514.16.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768 NFS async / ZFS sync=disabled 8TB 24ea Raidz2: Processor: 2 x Intel Xeon E5-2620 v4 @ 3.00GHz (32 Cores), Motherboard: Intel S2600CW, Chipset: Intel Xeon E7 v4/Xeon, Memory: 6 x 16384 MB DDR4-2134MHz Samsung, Disk: 150GB INTEL SSDSC2BB15 + 1200GB INTEL SSDSC2BB01, Graphics: Matrox s MGA G200e [Pilot] (SEP1), Network: Intel I350 Gigabit Connection OS: CentOS Linux 7, Kernel: 3.10.0-514.16.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768 NFS sync / ZFS sync=standard 8TB 24ea Raidz2: Processor: 2 x Intel Xeon E5-2620 v4 @ 3.00GHz (32 Cores), Motherboard: Intel S2600CW, Chipset: Intel Xeon E7 v4/Xeon, Memory: 6 x 16384 MB DDR4-2134MHz Samsung, Disk: 150GB INTEL SSDSC2BB15 + 1200GB INTEL SSDSC2BB01, Graphics: Matrox s MGA G200e [Pilot] (SEP1), Network: Intel I350 Gigabit Connection OS: CentOS Linux 7, Kernel: 3.10.0-514.16.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768 NFS sync / ZFS sync=disabled 8TB 24ea Raidz2: Processor: 2 x Intel Xeon E5-2620 v4 @ 3.00GHz (32 Cores), Motherboard: Intel S2600CW, Chipset: Intel Xeon E7 v4/Xeon, Memory: 6 x 16384 MB DDR4-2134MHz Samsung, Disk: 150GB INTEL SSDSC2BB15 + 1200GB INTEL SSDSC2BB01, Graphics: Matrox s MGA G200e [Pilot] (SEP1), Network: Intel I350 Gigabit Connection OS: CentOS Linux 7, Kernel: 3.10.0-514.16.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768 test: Processor: 2 x Intel Xeon E5-2620 v4 @ 3.00GHz (32 Cores), Motherboard: Intel S2600CW, Chipset: Intel Xeon E7 v4/Xeon, Memory: 6 x 16384 MB DDR4-2134MHz Samsung, Disk: 150GB INTEL SSDSC2BB15 + 1200GB INTEL SSDSC2BB01, Graphics: Matrox s MGA G200e [Pilot] (SEP1), Network: Intel I350 Gigabit Connection OS: CentOS Linux 7, Kernel: 3.10.0-514.16.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 137.25 |================= NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 130.61 |================ NFS sync / ZFS sync=standard 8TB 24ea Raidz2 .. 187.65 |======================= NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 123.99 |=============== test .......................................... 153.22 |=================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 34309 |================== NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 32648 |================= NFS sync / ZFS sync=standard 8TB 24ea Raidz2 .. 46908 |======================== NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 30994 |================ test .......................................... 38302 |==================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 315.44 |====================== NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 322.32 |======================= NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 323.19 |======================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 78857 |======================= NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 80577 |======================== NFS sync / ZFS sync=standard 8TB 24ea Raidz2 .. 196 | NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 80794 |======================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 439.37 |======================= NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 438.04 |====================== NFS sync / ZFS sync=standard 8TB 24ea Raidz2 .. 443.80 |======================= NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 448.17 |======================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 109840 |======================= NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 109506 |====================== NFS sync / ZFS sync=standard 8TB 24ea Raidz2 .. 110946 |======================= NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 112038 |======================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 304.47 |===================== NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 337.65 |======================= NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 328.68 |====================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better NFS async / ZFS sync=standard 8TB 24ea Raidz2 . 76113 |====================== NFS async / ZFS sync=disabled 8TB 24ea Raidz2 . 84408 |======================== NFS sync / ZFS sync=standard 8TB 24ea Raidz2 .. 158 | NFS sync / ZFS sync=disabled 8TB 24ea Raidz2 .. 82167 |=======================