Disk Tests Linux 4.14 Xeon Tyan Server Bivs KVM Samsung SSD 850: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Monitor: Acer P243W, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1920x1200 ST2000DM006-2DM1: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Monitor: Acer P243W, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1920x1200 TOSHIBA-TR150: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Monitor: Acer P243W, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1920x1200 2 x TOSHIBA-TR150 RAID0: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 2 x TOSHIBA-TR150 RAID1: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 BCache Writethrough Default: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 BCache Writeback: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 BCache Writearound: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (80 Cores), Motherboard: TYAN S7106, Chipset: Intel Device 2020, Memory: 12 x 8192 MB DDR4-2666MHz Micron, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: ASPEED ASPEED Family, Network: Intel I210 Gigabit Connection OS: Debian 9.1, Kernel: 4.14.0-999-generic (x86_64) 20170918, Desktop: GNOME Shell 3.22.3, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 Bivs KVM: Processor: 8 x Intel Core (Skylake IBRS) (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 16384 MB RAM QEMU, Disk: 83GB, Graphics: Red Hat QXL paravirtual graphic card, Audio: QEMU Generic, Network: Red Hat Virtio device OS: Debian 10, Kernel: 4.19.0-6-amd64 (x86_64), Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM SQLite 3.8.10.2 Test Target: Default Test Directory Seconds < Lower Is Better Samsung SSD 850 ............. 41.47 |== ST2000DM006-2DM1 ............ 747.05 |================================= TOSHIBA-TR150 ............... 39.54 |== 2 x TOSHIBA-TR150 RAID0 ..... 39.85 |== 2 x TOSHIBA-TR150 RAID1 ..... 463.94 |===================== BCache Writethrough Default . 915.21 |========================================= BCache Writeback ............ 262.03 |============ BCache Writearound .......... 863.39 |======================================= Bivs KVM .................... 295.80 |============= 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 Samsung SSD 850 ............. 389.19 |================================ ST2000DM006-2DM1 ............ 1.55 | TOSHIBA-TR150 ............... 212.51 |================== 2 x TOSHIBA-TR150 RAID0 ..... 415.63 |=================================== 2 x TOSHIBA-TR150 RAID1 ..... 491.70 |========================================= BCache Writethrough Default . 1.31 | BCache Writeback ............ 1.22 | BCache Writearound .......... 1.36 | 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 Samsung SSD 850 ............. 97295 |================================ ST2000DM006-2DM1 ............ 385 | TOSHIBA-TR150 ............... 53123 |================== 2 x TOSHIBA-TR150 RAID0 ..... 103905 |=================================== 2 x TOSHIBA-TR150 RAID1 ..... 122922 |========================================= BCache Writethrough Default . 325 | BCache Writeback ............ 302 | BCache Writearound .......... 337 | 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 Samsung SSD 850 ............. 343.85 |======================== ST2000DM006-2DM1 ............ 1.11 | TOSHIBA-TR150 ............... 288.89 |==================== 2 x TOSHIBA-TR150 RAID0 ..... 577.92 |========================================= 2 x TOSHIBA-TR150 RAID1 ..... 297.77 |===================== BCache Writethrough Default . 1.04 | BCache Writeback ............ 23.45 |== BCache Writearound .......... 1.06 | 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 Samsung SSD 850 ............. 85958 |======================== ST2000DM006-2DM1 ............ 257 | TOSHIBA-TR150 ............... 72220 |==================== 2 x TOSHIBA-TR150 RAID0 ..... 144475 |========================================= 2 x TOSHIBA-TR150 RAID1 ..... 74438 |===================== BCache Writethrough Default . 234 | BCache Writeback ............ 5858 |== BCache Writearound .......... 243 | 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 Samsung SSD 850 ............. 452.71 |====================================== ST2000DM006-2DM1 ............ 190.36 |================ TOSHIBA-TR150 ............... 223.62 |=================== 2 x TOSHIBA-TR150 RAID0 ..... 485.10 |========================================= 2 x TOSHIBA-TR150 RAID1 ..... 220.19 |=================== BCache Writethrough Default . 125.07 |=========== BCache Writeback ............ 102.24 |========= BCache Writearound .......... 101.41 |========= 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 Samsung SSD 850 ............. 113175 |====================================== ST2000DM006-2DM1 ............ 47586 |================ TOSHIBA-TR150 ............... 55902 |=================== 2 x TOSHIBA-TR150 RAID0 ..... 121272 |========================================= 2 x TOSHIBA-TR150 RAID1 ..... 55043 |=================== BCache Writethrough Default . 31262 |=========== BCache Writeback ............ 25556 |========= BCache Writearound .......... 25348 |========= 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 Samsung SSD 850 ............. 413.30 |========================= ST2000DM006-2DM1 ............ 185.69 |=========== TOSHIBA-TR150 ............... 423.25 |========================== 2 x TOSHIBA-TR150 RAID0 ..... 673.76 |========================================= 2 x TOSHIBA-TR150 RAID1 ..... 390.02 |======================== BCache Writethrough Default . 120.07 |======= BCache Writeback ............ 79.16 |===== BCache Writearound .......... 100.93 |====== 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 Samsung SSD 850 ............. 103322 |========================= ST2000DM006-2DM1 ............ 46419 |=========== TOSHIBA-TR150 ............... 105809 |========================== 2 x TOSHIBA-TR150 RAID0 ..... 168435 |========================================= 2 x TOSHIBA-TR150 RAID1 ..... 97501 |======================== BCache Writethrough Default . 30015 |======= BCache Writeback ............ 19785 |===== BCache Writearound .......... 25230 |====== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better Samsung SSD 850 ............. 158.52 |========================================= ST2000DM006-2DM1 ............ 19.73 |===== TOSHIBA-TR150 ............... 64.33 |================= 2 x TOSHIBA-TR150 RAID0 ..... 91.38 |======================== 2 x TOSHIBA-TR150 RAID1 ..... 47.15 |============ BCache Writethrough Default . 16.47 |==== BCache Writeback ............ 12.58 |=== BCache Writearound .......... 14.37 |==== FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better Samsung SSD 850 ............. 307.47 |========================================= ST2000DM006-2DM1 ............ 52.93 |======= TOSHIBA-TR150 ............... 51.73 |======= 2 x TOSHIBA-TR150 RAID0 ..... 73.73 |========== 2 x TOSHIBA-TR150 RAID1 ..... 32.53 |==== BCache Writethrough Default . 42.40 |====== BCache Writeback ............ 40.47 |===== BCache Writearound .......... 37.47 |===== FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better Samsung SSD 850 ............. 161.37 |========================================= ST2000DM006-2DM1 ............ 20.80 |===== TOSHIBA-TR150 ............... 43.68 |=========== 2 x TOSHIBA-TR150 RAID0 ..... 65.57 |================= 2 x TOSHIBA-TR150 RAID1 ..... 25.73 |======= BCache Writethrough Default . 16.27 |==== BCache Writeback ............ 16.77 |==== BCache Writearound .......... 16.10 |==== BlogBench 1.0 Test: Read Final Score > Higher Is Better Samsung SSD 850 ............. 1990437 |================================== ST2000DM006-2DM1 ............ 2273247 |======================================= TOSHIBA-TR150 ............... 2004320 |================================== 2 x TOSHIBA-TR150 RAID0 ..... 1793947 |============================== 2 x TOSHIBA-TR150 RAID1 ..... 1899913 |================================ BCache Writethrough Default . 2330799 |======================================= BCache Writearound .......... 2361583 |======================================== Bivs KVM .................... 1421354 |======================== BlogBench 1.0 Test: Write Final Score > Higher Is Better Samsung SSD 850 ............. 25925 |========================================== ST2000DM006-2DM1 ............ 6375 |========== TOSHIBA-TR150 ............... 10049 |================ 2 x TOSHIBA-TR150 RAID0 ..... 12090 |==================== 2 x TOSHIBA-TR150 RAID1 ..... 13818 |====================== BCache Writethrough Default . 6422 |========== BCache Writearound .......... 6399 |========== Bivs KVM .................... 1242 |== Dbench 4.0 Client Count: 6 MB/s > Higher Is Better Samsung SSD 850 ............. 406.65 |======================================= ST2000DM006-2DM1 ............ 22.26 |== TOSHIBA-TR150 ............... 365.14 |=================================== 2 x TOSHIBA-TR150 RAID0 ..... 430.51 |========================================= 2 x TOSHIBA-TR150 RAID1 ..... 318.27 |============================== BCache Writethrough Default . 16.23 |== BCache Writeback ............ 51.16 |===== BCache Writearound .......... 18.19 |== Bivs KVM .................... 48.32 |===== IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better Samsung SSD 850 ............. 362.71 |========================================= ST2000DM006-2DM1 ............ 159.17 |================== TOSHIBA-TR150 ............... 95.33 |=========== 2 x TOSHIBA-TR150 RAID0 ..... 156.14 |================== 2 x TOSHIBA-TR150 RAID1 ..... 50.56 |====== BCache Writethrough Default . 102.53 |============ BCache Writeback ............ 183.32 |===================== BCache Writearound .......... 96.09 |=========== Bivs KVM .................... 309.21 |=================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Samsung SSD 850 ............. 504.53 |===================================== ST2000DM006-2DM1 ............ 526.46 |====================================== TOSHIBA-TR150 ............... 535.25 |======================================= 2 x TOSHIBA-TR150 RAID0 ..... 554.82 |======================================== 2 x TOSHIBA-TR150 RAID1 ..... 566.02 |========================================= BCache Writethrough Default . 527.19 |====================================== BCache Writeback ............ 515.94 |===================================== BCache Writearound .......... 512.47 |===================================== Bivs KVM .................... 265.78 |=================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Samsung SSD 850 ............. 5597 |========================================= ST2000DM006-2DM1 ............ 5436 |======================================== TOSHIBA-TR150 ............... 5815 |=========================================== 2 x TOSHIBA-TR150 RAID0 ..... 5866 |=========================================== 2 x TOSHIBA-TR150 RAID1 ..... 5683 |========================================== BCache Writethrough Default . 5557 |========================================= BCache Writeback ............ 5769 |========================================== BCache Writearound .......... 5597 |========================================= Bivs KVM .................... 1808 |=============