benchovernfs Intel Xeon X3440 testing on CentOS Linux 7 via the Phoronix Test Suite. Linux - zfs - nfs: Processor: Intel Xeon X3440 @ 2.53GHz (8 Cores), Motherboard: Supermicro X8SIL v0123456789, Memory: 4 x 4096 MB DDR3-1333MHz Kingston, Disk: 500GB Logical Volume + 39 x 600GB MBF2600RC + 3 x 600GB HUC109060CSS600 + 2 x 600GB Seagate ST9600205SS OS: CentOS Linux 7, Kernel: 4.4.21-zfs-std-64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: tmpfs Logical Volume: Processor: Intel Xeon X3440 @ 2.53GHz (8 Cores), Motherboard: Supermicro X8SIL v0123456789, Memory: 4 x 4096 MB DDR3-1333MHz Kingston, Disk: 500GB Logical Volume + 39 x 600GB MBF2600RC + 3 x 600GB HUC109060CSS600 + 2 x 600GB Seagate ST9600205SS OS: CentOS Linux 7, Kernel: 4.4.21-zfs-std-64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: tmpfs Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better Linux - zfs - nfs . 10952.64 |================================================= Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better Logical Volume . 7377.77 |===================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better Logical Volume . 8403.09 |===================================================== Logical Volume . 6751.41 |=========================================== Logical Volume . 6690.93 |========================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better Logical Volume . 75833 |======================================================= 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 Logical Volume . 21.25 |======================================================= 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 Logical Volume . 166.26 |====================================================== 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 Logical Volume . 1036.23 |===================================================== 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 Logical Volume . 176.39 |======================================================