2020-06-24-2159 no tuning, dedup=on, compression=on, ashift=9 zfs_6x_ssd_in_2x_raidz1: Processor: 2 x Intel Xeon E5-2640 v3 @ 3.40GHz (16 Cores / 32 Threads), Motherboard: Dell 0CNCJW (2.11.0 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16 x GB DDR4-2133MT/s HMA42GR7MFR4N-TF, Disk: 6 x 481GB HSCP0480S5xnNMRI + 99GB PERC H730 Mini + 16GB Cruzer Blade + 16GB Cruzer Fit, Graphics: Matrox G200eR2, Monitor: DELL E196FP, Network: 2 x Intel 10-Gigabit X540-AT2 + 2 x Intel I350 + Mellanox MT27500 OS: CentOS Linux 8, Kernel: 4.18.0-193.6.3.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, Screen Resolution: 1280x1024 zfs_6x_ssd_in_2x_raidz1_ashift=12: Processor: 2 x Intel Xeon E5-2640 v3 @ 3.40GHz (16 Cores / 32 Threads), Motherboard: Dell 0CNCJW (2.11.0 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16 x GB DDR4-2133MT/s HMA42GR7MFR4N-TF, Disk: 6 x 481GB HSCP0480S5xnNMRI + 99GB PERC H730 Mini + 16GB Cruzer Blade + 16GB Cruzer Fit, Graphics: Matrox G200eR2, Monitor: DELL E196FP, Network: 2 x Intel 10-Gigabit X540-AT2 + 2 x Intel I350 + Mellanox MT27500 OS: CentOS Linux 8, Kernel: 4.18.0-193.6.3.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, Screen Resolution: 1280x1024 6 x 481GB HSCP0480S5xnNMRI: Processor: 2 x Intel Xeon E5-2640 v3 @ 3.40GHz (16 Cores / 32 Threads), Motherboard: Dell 0CNCJW (2.11.0 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16 x GB DDR4-2133MT/s HMA42GR7MFR4N-TF, Disk: 6 x 481GB HSCP0480S5xnNMRI + 99GB PERC H730 Mini + 16GB Cruzer Blade + 16GB Cruzer Fit, Graphics: Matrox G200eR2, Monitor: DELL E196FP, Network: 2 x Intel 10-Gigabit X540-AT2 + 2 x Intel I350 + Mellanox MT27500 OS: CentOS Linux 8, Kernel: 4.18.0-193.6.3.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, Screen Resolution: 1280x1024 zfs_ashift=9_compression=on_dedup=off: Processor: 2 x Intel Xeon E5-2640 v3 @ 3.40GHz (16 Cores / 32 Threads), Motherboard: Dell 0CNCJW (2.11.0 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16 x GB DDR4-2133MT/s HMA42GR7MFR4N-TF, Disk: 6 x 481GB HSCP0480S5xnNMRI + 99GB PERC H730 Mini + 16GB Cruzer Blade + 16GB Cruzer Fit, Graphics: Matrox G200eR2, Monitor: DELL E196FP, Network: 2 x Intel 10-Gigabit X540-AT2 + 2 x Intel I350 + Mellanox MT27500 OS: CentOS Linux 8, Kernel: 4.18.0-193.6.3.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, Screen Resolution: 1280x1024 zfs_ashift=9_compression=on_dedup=on: Processor: 2 x Intel Xeon E5-2640 v3 @ 3.40GHz (16 Cores / 32 Threads), Motherboard: Dell 0CNCJW (2.11.0 BIOS), Chipset: Intel Xeon E7 v3/Xeon, Memory: 16 x GB DDR4-2133MT/s HMA42GR7MFR4N-TF, Disk: 6 x 481GB HSCP0480S5xnNMRI + 99GB PERC H730 Mini + 16GB Cruzer Blade + 16GB Cruzer Fit, Graphics: Matrox G200eR2, Monitor: DELL E196FP, Network: 2 x Intel 10-Gigabit X540-AT2 + 2 x Intel I350 + Mellanox MT27500 OS: CentOS Linux 8, Kernel: 4.18.0-193.6.3.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, Screen Resolution: 1280x1024 Flexible IO Tester 3.18 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 946 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 928 |================================= zfs_ashift=9_compression=on_dedup=off . 968 |================================== zfs_ashift=9_compression=on_dedup=on .. 966 |================================== Flexible IO Tester 3.18 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 242133 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 237467 |============================== zfs_ashift=9_compression=on_dedup=off . 247667 |=============================== zfs_ashift=9_compression=on_dedup=on .. 247333 |=============================== Flexible IO Tester 3.18 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 2535 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 2407 |=============================== zfs_ashift=9_compression=on_dedup=off . 2511 |================================= zfs_ashift=9_compression=on_dedup=on .. 2547 |================================= Flexible IO Tester 3.18 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 162267 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 154333 |============================= zfs_ashift=9_compression=on_dedup=off . 160667 |=============================== zfs_ashift=9_compression=on_dedup=on .. 163000 |=============================== Flexible IO Tester 3.18 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 4553 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 4260 |=============================== zfs_ashift=9_compression=on_dedup=off . 4394 |================================ zfs_ashift=9_compression=on_dedup=on .. 4503 |================================= Flexible IO Tester 3.18 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 72773 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 68167 |============================== zfs_ashift=9_compression=on_dedup=off . 70300 |=============================== zfs_ashift=9_compression=on_dedup=on .. 71700 |================================ Flexible IO Tester 3.18 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 211 |===================== 6 x 481GB HSCP0480S5xnNMRI ............ 231 |======================= zfs_ashift=9_compression=on_dedup=off . 321 |================================ zfs_ashift=9_compression=on_dedup=on .. 344 |================================== Flexible IO Tester 3.18 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 54027 |==================== 6 x 481GB HSCP0480S5xnNMRI ............ 58887 |===================== zfs_ashift=9_compression=on_dedup=off . 82367 |============================== zfs_ashift=9_compression=on_dedup=on .. 88033 |================================ Flexible IO Tester 3.18 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 718 |======================= 6 x 481GB HSCP0480S5xnNMRI ............ 776 |========================= zfs_ashift=9_compression=on_dedup=off . 961 |=============================== zfs_ashift=9_compression=on_dedup=on .. 1037 |================================= Flexible IO Tester 3.18 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 45667 |====================== 6 x 481GB HSCP0480S5xnNMRI ............ 49520 |======================== zfs_ashift=9_compression=on_dedup=off . 61533 |============================== zfs_ashift=9_compression=on_dedup=on .. 66333 |================================ Flexible IO Tester 3.18 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 1879 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 1865 |=============================== zfs_ashift=9_compression=on_dedup=off . 1669 |=========================== zfs_ashift=9_compression=on_dedup=on .. 2009 |================================= Flexible IO Tester 3.18 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 30067 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 29867 |============================== zfs_ashift=9_compression=on_dedup=off . 26700 |=========================== zfs_ashift=9_compression=on_dedup=on .. 32133 |================================ Flexible IO Tester 3.18 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 1396 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 1416 |================================ zfs_ashift=9_compression=on_dedup=off . 1447 |================================= zfs_ashift=9_compression=on_dedup=on .. 1435 |================================= Flexible IO Tester 3.18 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 357667 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 362667 |============================== zfs_ashift=9_compression=on_dedup=off . 371000 |=============================== zfs_ashift=9_compression=on_dedup=on .. 367667 |=============================== Flexible IO Tester 3.18 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 872 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 860 |================================= zfs_ashift=9_compression=on_dedup=off . 868 |================================= zfs_ashift=9_compression=on_dedup=on .. 886 |================================== Flexible IO Tester 3.18 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 223333 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 220000 |============================== zfs_ashift=9_compression=on_dedup=off . 222333 |============================== zfs_ashift=9_compression=on_dedup=on .. 226667 |=============================== Flexible IO Tester 3.18 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 3254 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 3244 |================================ zfs_ashift=9_compression=on_dedup=off . 3233 |================================ zfs_ashift=9_compression=on_dedup=on .. 3295 |================================= Flexible IO Tester 3.18 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 208333 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 207667 |=============================== zfs_ashift=9_compression=on_dedup=off . 207000 |============================== zfs_ashift=9_compression=on_dedup=on .. 211000 |=============================== Flexible IO Tester 3.18 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 4822 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 4897 |================================= zfs_ashift=9_compression=on_dedup=off . 4809 |================================ zfs_ashift=9_compression=on_dedup=on .. 4911 |================================= Flexible IO Tester 3.18 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 77167 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 78333 |================================ zfs_ashift=9_compression=on_dedup=off . 76633 |=============================== zfs_ashift=9_compression=on_dedup=on .. 78600 |================================ Flexible IO Tester 3.18 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 700 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 703 |================================ zfs_ashift=9_compression=on_dedup=off . 743 |================================== zfs_ashift=9_compression=on_dedup=on .. 754 |================================== Flexible IO Tester 3.18 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 179333 |============================= 6 x 481GB HSCP0480S5xnNMRI ............ 180333 |============================= zfs_ashift=9_compression=on_dedup=off . 190333 |=============================== zfs_ashift=9_compression=on_dedup=on .. 192667 |=============================== Flexible IO Tester 3.18 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 2288 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 2283 |================================ zfs_ashift=9_compression=on_dedup=off . 2321 |================================ zfs_ashift=9_compression=on_dedup=on .. 2358 |================================= Flexible IO Tester 3.18 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 146667 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 146000 |============================== zfs_ashift=9_compression=on_dedup=off . 148667 |=============================== zfs_ashift=9_compression=on_dedup=on .. 151000 |=============================== Flexible IO Tester 3.18 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 4092 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 4153 |================================ zfs_ashift=9_compression=on_dedup=off . 4117 |================================ zfs_ashift=9_compression=on_dedup=on .. 4242 |================================= Flexible IO Tester 3.18 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 65450 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 66256 |=============================== zfs_ashift=9_compression=on_dedup=off . 65867 |=============================== zfs_ashift=9_compression=on_dedup=on .. 67883 |================================ Flexible IO Tester 3.18 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 212 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 218 |================================== zfs_ashift=9_compression=on_dedup=off . 181 |============================ zfs_ashift=9_compression=on_dedup=on .. 215 |================================== Flexible IO Tester 3.18 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 54133 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 55667 |================================ zfs_ashift=9_compression=on_dedup=off . 46300 |=========================== zfs_ashift=9_compression=on_dedup=on .. 55033 |================================ Flexible IO Tester 3.18 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 1625 |============================= 6 x 481GB HSCP0480S5xnNMRI ............ 1581 |============================ zfs_ashift=9_compression=on_dedup=off . 1862 |================================= zfs_ashift=9_compression=on_dedup=on .. 1862 |================================= Flexible IO Tester 3.18 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 104000 |=========================== 6 x 481GB HSCP0480S5xnNMRI ............ 101150 |========================== zfs_ashift=9_compression=on_dedup=off . 119000 |=============================== zfs_ashift=9_compression=on_dedup=on .. 119000 |=============================== Flexible IO Tester 3.18 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 2106 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 2097 |=============================== zfs_ashift=9_compression=on_dedup=off . 2176 |================================= zfs_ashift=9_compression=on_dedup=on .. 2208 |================================= Flexible IO Tester 3.18 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 33475 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 33567 |============================== zfs_ashift=9_compression=on_dedup=off . 34800 |================================ zfs_ashift=9_compression=on_dedup=on .. 35300 |================================ Flexible IO Tester 3.18 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 662 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 726 |================================== zfs_ashift=9_compression=on_dedup=off . 620 |============================= zfs_ashift=9_compression=on_dedup=on .. 736 |================================== Flexible IO Tester 3.18 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 42225 |============================= 6 x 481GB HSCP0480S5xnNMRI ............ 46364 |=============================== zfs_ashift=9_compression=on_dedup=off . 39640 |=========================== zfs_ashift=9_compression=on_dedup=on .. 47100 |================================ Flexible IO Tester 3.18 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 1611 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 1613 |================================= zfs_ashift=9_compression=on_dedup=off . 1544 |================================ zfs_ashift=9_compression=on_dedup=on .. 1608 |================================= Flexible IO Tester 3.18 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 25707 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 25800 |================================ zfs_ashift=9_compression=on_dedup=off . 24700 |=============================== zfs_ashift=9_compression=on_dedup=on .. 25733 |================================ Flexible IO Tester 3.18 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 1086 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 1117 |================================= zfs_ashift=9_compression=on_dedup=off . 1131 |================================= zfs_ashift=9_compression=on_dedup=on .. 1121 |================================= Flexible IO Tester 3.18 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 278333 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 286333 |=============================== zfs_ashift=9_compression=on_dedup=off . 289667 |=============================== zfs_ashift=9_compression=on_dedup=on .. 287000 |=============================== Flexible IO Tester 3.18 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 2753 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 2820 |================================= zfs_ashift=9_compression=on_dedup=off . 2821 |================================= zfs_ashift=9_compression=on_dedup=on .. 2858 |================================= Flexible IO Tester 3.18 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 176000 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 180667 |=============================== zfs_ashift=9_compression=on_dedup=off . 180600 |=============================== zfs_ashift=9_compression=on_dedup=on .. 182667 |=============================== Flexible IO Tester 3.18 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 4385 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 4495 |================================= zfs_ashift=9_compression=on_dedup=off . 4454 |================================ zfs_ashift=9_compression=on_dedup=on .. 4534 |================================= Flexible IO Tester 3.18 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 70167 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 71900 |================================ zfs_ashift=9_compression=on_dedup=off . 71260 |=============================== zfs_ashift=9_compression=on_dedup=on .. 72533 |================================ Flexible IO Tester 3.18 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 615 |================================= 6 x 481GB HSCP0480S5xnNMRI ............ 628 |================================== zfs_ashift=9_compression=on_dedup=off . 614 |================================= zfs_ashift=9_compression=on_dedup=on .. 606 |================================= Flexible IO Tester 3.18 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 157333 |============================== 6 x 481GB HSCP0480S5xnNMRI ............ 161000 |=============================== zfs_ashift=9_compression=on_dedup=off . 157000 |============================== zfs_ashift=9_compression=on_dedup=on .. 155333 |============================== Flexible IO Tester 3.18 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 1423 |================================ 6 x 481GB HSCP0480S5xnNMRI ............ 1441 |================================ zfs_ashift=9_compression=on_dedup=off . 1441 |================================ zfs_ashift=9_compression=on_dedup=on .. 1471 |================================= Flexible IO Tester 3.18 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 91067 |=============================== 6 x 481GB HSCP0480S5xnNMRI ............ 92233 |=============================== zfs_ashift=9_compression=on_dedup=off . 92187 |=============================== zfs_ashift=9_compression=on_dedup=on .. 94133 |================================ Flexible IO Tester 3.18 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 MB/s > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 1811 |============================ 6 x 481GB HSCP0480S5xnNMRI ............ 2072 |================================ zfs_ashift=9_compression=on_dedup=off . 1961 |============================== zfs_ashift=9_compression=on_dedup=on .. 2150 |================================= Flexible IO Tester 3.18 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/ztest1 IOPS > Higher Is Better zfs_6x_ssd_in_2x_raidz1 ............... 28967 |=========================== 6 x 481GB HSCP0480S5xnNMRI ............ 33167 |=============================== zfs_ashift=9_compression=on_dedup=off . 31600 |============================= zfs_ashift=9_compression=on_dedup=on .. 34367 |================================