Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 2006251-NI-2006251NI49
2020-06-24-2159
no tuning or dedup, 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
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 |===============================
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 |===============================
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 |===============================
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 |================================
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 |================================
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 |============================
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 |===============================
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 |===============================
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 |===============================
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 |===============================
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 |===============================
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 |===============================
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 |================================
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 |===========================
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 |===============================
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 |================================
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 |===========================
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 |===============================
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 |===============================
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 |===============================
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 |================================
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 |==============================
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 |================================
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 |==============================
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 |==================================
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 |=================================
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 |================================
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 |==================================
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 |==================================
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 |=============================
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 |=================================
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 |==================================
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 |=================================
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 |================================
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 |==================================
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 |=================================
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 |=================================
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 |============================
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 |=================================
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 |=================================
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 |=============================
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 |================================
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 |=================================
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 |=================================
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 |=================================
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 |=================================
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 |=================================
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 |===============================