Linux 4.16 File-System Tests HDD and SSD file-system tests on Linux 4.16 for a future article on Phoronix. TR150 SSD: EXT4: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.00 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: llvmpipe 95360MB, Monitor: VE228, Network: Intel I210 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.16.0-999-generic (x86_64) 20180323, Desktop: GNOME Shell 3.28.0, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 TR150 SSD: F2FS: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.00 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: llvmpipe 95360MB, Monitor: VE228, Network: Intel I210 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.16.0-999-generic (x86_64) 20180323, Desktop: GNOME Shell 3.28.0, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: f2fs, Screen Resolution: 1920x1080 TR150 SSD: Btrfs: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.00 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: llvmpipe 95360MB, Monitor: VE228, Network: Intel I210 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.16.0-999-generic (x86_64) 20180323, Desktop: GNOME Shell 3.28.0, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: btrfs, Screen Resolution: 1920x1080 TR150 SSD: XFS: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.00 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: llvmpipe 95360MB, Monitor: VE228, Network: Intel I210 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.16.0-999-generic (x86_64) 20180323, Desktop: GNOME Shell 3.28.0, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: xfs, Screen Resolution: 1920x1080 Seagate HDD: XFS: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.00 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: llvmpipe 95360MB, Monitor: VE228, Network: Intel I210 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.16.0-999-generic (x86_64) 20180323, Desktop: GNOME Shell 3.28.0, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: xfs, Screen Resolution: 1920x1080 Seagate HDD: Btrfs: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.00 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: llvmpipe 95360MB, Monitor: VE228, Network: Intel I210 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.16.0-999-generic (x86_64) 20180323, Desktop: GNOME Shell 3.28.0, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: btrfs, Screen Resolution: 1920x1080 Seagate HDD: EXT4: Processor: 2 x Intel Xeon Gold 6138 @ 3.70GHz (40 Cores / 80 Threads), Motherboard: TYAN S7106 (V1.00 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 12 x 8192 MB DDR4-2666MT/s Micron 9ASF1G72PZ-2G6B1, Disk: 256GB Samsung SSD 850 + 2000GB Seagate ST2000DM006-2DM1 + 2 x 120GB TOSHIBA-TR150, Graphics: llvmpipe 95360MB, Monitor: VE228, Network: Intel I210 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.16.0-999-generic (x86_64) 20180323, Desktop: GNOME Shell 3.28.0, Display Server: X Server 1.19.6, OpenGL: 3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 Virtio ZFS HDD Raid 0: Processor: Common KVM @ 3.91GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org BIOS), Memory: 2048MB, Disk: 34GB QEMU HDD + 30GB 2115, Graphics: bochsdrmfb OS: Debian 9.4, Kernel: 4.9.0-6-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu Virtio ZFS HDD Raid 0 2: Processor: Common KVM @ 3.91GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org BIOS), Memory: 2048MB, Disk: 34GB QEMU HDD, Graphics: bochsdrmfb OS: Debian 9.4, Kernel: 4.9.0-6-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu Virtio ZFS HDD Raid 10: Processor: Common KVM @ 3.91GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org BIOS), Memory: 2048MB, Disk: 34GB QEMU HDD, Graphics: bochsdrmfb OS: Debian 9.4, Kernel: 4.9.0-6-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu Virtio ZFS HDD Raid 10 WBU: Processor: Common KVM @ 3.91GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org BIOS), Memory: 2048MB, Disk: 34GB QEMU HDD, Graphics: bochsdrmfb OS: Debian 9.4, Kernel: 4.9.0-6-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu XenServer 7.4 Adaptec 6805 Raid 1 PV: Processor: AMD Turion II Neo N54L @ 2.20GHz (2 Cores), Memory: 4096MB, Disk: 15GB OS: Debian 9.4, Kernel: 4.9.0-6-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, System Layer: vm-other Xen 4.7.4-4.1 Hypervisor AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 2301.32 |======================== TR150 SSD: F2FS ...................... 3017.61 |=============================== TR150 SSD: Btrfs ..................... 2936.17 |============================== TR150 SSD: XFS ....................... 2971.42 |=============================== Seagate HDD: XFS ..................... 2979.14 |=============================== Seagate HDD: Btrfs ................... 2953.92 |============================== Seagate HDD: EXT4 .................... 2410.29 |========================= Virtio ZFS HDD Raid 0 2 .............. 1341.61 |============== Virtio ZFS HDD Raid 10 ............... 1376.59 |============== Virtio ZFS HDD Raid 10 WBU ........... 748.84 |======== XenServer 7.4 Adaptec 6805 Raid 1 PV . 47.81 | SQLite 3.22 Timed SQLite Insertions Seconds < Lower Is Better TR150 SSD: EXT4 ...................... 41.27 |= TR150 SSD: F2FS ...................... 34.89 |= TR150 SSD: Btrfs ..................... 99.08 |=== TR150 SSD: XFS ....................... 36.76 |= Seagate HDD: XFS ..................... 417.70 |============= Seagate HDD: Btrfs ................... 1012.38 |=============================== Seagate HDD: EXT4 .................... 576.02 |================== Virtio ZFS HDD Raid 0 2 .............. 246.03 |======== Virtio ZFS HDD Raid 10 ............... 329.31 |========== Virtio ZFS HDD Raid 10 WBU ........... 3.34 | XenServer 7.4 Adaptec 6805 Raid 1 PV . 23.65 |= Flexible IO Tester 3.1 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 230.00 |============================= TR150 SSD: F2FS ...................... 212.00 |========================== TR150 SSD: Btrfs ..................... 212.00 |========================== TR150 SSD: XFS ....................... 212.00 |========================== Seagate HDD: XFS ..................... 1.53 | Seagate HDD: Btrfs ................... 1.52 | Seagate HDD: EXT4 .................... 1.45 | Virtio ZFS HDD Raid 0 2 .............. 258.00 |================================ Virtio ZFS HDD Raid 10 ............... 2.98 | Virtio ZFS HDD Raid 10 WBU ........... 2.83 | XenServer 7.4 Adaptec 6805 Raid 1 PV . 0.64 | Flexible IO Tester 3.1 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better TR150 SSD: EXT4 ......... 58967 |========================================= TR150 SSD: F2FS ......... 54200 |====================================== TR150 SSD: Btrfs ........ 54367 |====================================== TR150 SSD: XFS .......... 54400 |====================================== Virtio ZFS HDD Raid 0 2 . 65633 |============================================== Flexible IO Tester 3.1 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 275.00 |=============================== TR150 SSD: F2FS ...................... 282.00 |================================ TR150 SSD: Btrfs ..................... 73.28 |======== TR150 SSD: XFS ....................... 273.00 |=============================== Seagate HDD: XFS ..................... 1.17 | Seagate HDD: Btrfs ................... 23.02 |=== Seagate HDD: EXT4 .................... 1.03 | Virtio ZFS HDD Raid 0 2 .............. 197.00 |====================== Virtio ZFS HDD Raid 10 ............... 217.00 |========================= Virtio ZFS HDD Raid 10 WBU ........... 207.00 |======================= XenServer 7.4 Adaptec 6805 Raid 1 PV . 1.01 | Flexible IO Tester 3.1 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better TR150 SSD: EXT4 ............ 70250 |========================================== TR150 SSD: F2FS ............ 72167 |=========================================== TR150 SSD: Btrfs ........... 18750 |=========== TR150 SSD: XFS ............. 69967 |========================================== Seagate HDD: Btrfs ......... 27400 |================ Virtio ZFS HDD Raid 0 2 .... 50500 |============================== Virtio ZFS HDD Raid 10 ..... 55567 |================================= Virtio ZFS HDD Raid 10 WBU . 53000 |================================ Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 227.00 |====================== TR150 SSD: F2FS ...................... 228.00 |====================== TR150 SSD: Btrfs ..................... 327.00 |================================ TR150 SSD: XFS ....................... 202.00 |==================== Seagate HDD: XFS ..................... 148.00 |============== Seagate HDD: Btrfs ................... 1.54 | Seagate HDD: EXT4 .................... 155.00 |=============== Virtio ZFS HDD Raid 0 2 .............. 255.00 |========================= Virtio ZFS HDD Raid 10 ............... 250.00 |======================== Virtio ZFS HDD Raid 10 WBU ........... 270.00 |========================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 68.33 |======= Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better TR150 SSD: EXT4 ...................... 58300 |======================= TR150 SSD: F2FS ...................... 58467 |======================= TR150 SSD: Btrfs ..................... 83633 |================================= TR150 SSD: XFS ....................... 51667 |==================== Seagate HDD: XFS ..................... 37800 |=============== Seagate HDD: EXT4 .................... 39767 |================ Virtio ZFS HDD Raid 0 2 .............. 65167 |========================== Virtio ZFS HDD Raid 10 ............... 63683 |========================= Virtio ZFS HDD Raid 10 WBU ........... 68940 |=========================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 19100 |======== Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 413.00 |================================ TR150 SSD: F2FS ...................... 416.00 |================================ TR150 SSD: Btrfs ..................... 83.68 |====== TR150 SSD: XFS ....................... 395.00 |============================== Seagate HDD: XFS ..................... 145.00 |=========== Seagate HDD: Btrfs ................... 4.04 | Seagate HDD: EXT4 .................... 149.00 |=========== Virtio ZFS HDD Raid 0 2 .............. 197.00 |=============== Virtio ZFS HDD Raid 10 ............... 219.00 |================= Virtio ZFS HDD Raid 10 WBU ........... 228.00 |================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 95.57 |======= Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better TR150 SSD: EXT4 ...................... 106000 |================================ TR150 SSD: F2FS ...................... 106333 |================================ TR150 SSD: Btrfs ..................... 21500 |====== TR150 SSD: XFS ....................... 101167 |============================== Seagate HDD: XFS ..................... 37050 |=========== Seagate HDD: EXT4 .................... 38233 |============ Virtio ZFS HDD Raid 0 2 .............. 50150 |=============== Virtio ZFS HDD Raid 10 ............... 56000 |================= Virtio ZFS HDD Raid 10 WBU ........... 58317 |================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 24433 |======= BlogBench 1.0 Test: Read Final Score > Higher Is Better TR150 SSD: EXT4 ...................... 2097180 |=========================== TR150 SSD: F2FS ...................... 2054932 |========================== TR150 SSD: Btrfs ..................... 2269750 |============================= TR150 SSD: XFS ....................... 2084376 |=========================== Seagate HDD: XFS ..................... 2197243 |============================ Seagate HDD: Btrfs ................... 2293433 |============================= Seagate HDD: EXT4 .................... 2415373 |=============================== Virtio ZFS HDD Raid 0 2 .............. 214407 |=== Virtio ZFS HDD Raid 10 ............... 195626 |=== Virtio ZFS HDD Raid 10 WBU ........... 228394 |=== XenServer 7.4 Adaptec 6805 Raid 1 PV . 183352 |== BlogBench 1.0 Test: Write Final Score > Higher Is Better TR150 SSD: EXT4 ...................... 10325 |================================= TR150 SSD: F2FS ...................... 9156 |============================= TR150 SSD: Btrfs ..................... 3458 |=========== TR150 SSD: XFS ....................... 4039 |============= Seagate HDD: XFS ..................... 2126 |======= Seagate HDD: Btrfs ................... 2370 |======== Seagate HDD: EXT4 .................... 6473 |===================== Virtio ZFS HDD Raid 0 2 .............. 1930 |====== Virtio ZFS HDD Raid 10 ............... 1864 |====== Virtio ZFS HDD Raid 10 WBU ........... 1966 |====== XenServer 7.4 Adaptec 6805 Raid 1 PV . 721 |== Dbench 4.0 Client Count: 6 MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 369.21 |======= TR150 SSD: F2FS ...................... 276.31 |====== TR150 SSD: Btrfs ..................... 247.49 |===== TR150 SSD: XFS ....................... 442.69 |========= Seagate HDD: XFS ..................... 20.21 | Seagate HDD: Btrfs ................... 45.74 |= Seagate HDD: EXT4 .................... 25.73 |= Virtio ZFS HDD Raid 0 2 .............. 72.29 |= Virtio ZFS HDD Raid 10 ............... 56.88 |= Virtio ZFS HDD Raid 10 WBU ........... 1553.66 |=============================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 212.75 |==== IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 103.49 |===================== TR150 SSD: F2FS ...................... 88.99 |================== TR150 SSD: Btrfs ..................... 93.20 |=================== TR150 SSD: XFS ....................... 96.10 |=================== Seagate HDD: XFS ..................... 153.08 |============================== Seagate HDD: Btrfs ................... 161.01 |================================ Seagate HDD: EXT4 .................... 155.45 |=============================== Virtio ZFS HDD Raid 0 2 .............. 101.53 |==================== Virtio ZFS HDD Raid 10 ............... 109.03 |====================== Virtio ZFS HDD Raid 10 WBU ........... 152.17 |============================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 79.12 |================ Compile Bench 0.6 Test: Compile MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 1686.54 |======================= TR150 SSD: F2FS ...................... 2271.93 |=============================== TR150 SSD: Btrfs ..................... 1371.80 |=================== TR150 SSD: XFS ....................... 2101.38 |============================= Seagate HDD: XFS ..................... 2092.61 |============================= Seagate HDD: Btrfs ................... 2177.85 |============================== Seagate HDD: EXT4 .................... 1678.76 |======================= Virtio ZFS HDD Raid 0 2 .............. 538.22 |======= Virtio ZFS HDD Raid 10 ............... 495.46 |======= Virtio ZFS HDD Raid 10 WBU ........... 300.82 |==== XenServer 7.4 Adaptec 6805 Raid 1 PV . 75.83 |= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 505.73 |============================= TR150 SSD: F2FS ...................... 550.41 |================================ TR150 SSD: Btrfs ..................... 109.66 |====== TR150 SSD: XFS ....................... 395.06 |======================= Seagate HDD: XFS ..................... 402.86 |======================= Seagate HDD: Btrfs ................... 262.66 |=============== Seagate HDD: EXT4 .................... 494.62 |============================= Virtio ZFS HDD Raid 0 2 .............. 255.10 |=============== Virtio ZFS HDD Raid 10 ............... 241.59 |============== Virtio ZFS HDD Raid 10 WBU ........... 212.93 |============ XenServer 7.4 Adaptec 6805 Raid 1 PV . 68.28 |==== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better TR150 SSD: EXT4 ...................... 837.97 |============================== TR150 SSD: F2FS ...................... 878.02 |=============================== TR150 SSD: Btrfs ..................... 881.31 |================================ TR150 SSD: XFS ....................... 892.28 |================================ Seagate HDD: XFS ..................... 833.32 |============================== Seagate HDD: Btrfs ................... 804.92 |============================= Seagate HDD: EXT4 .................... 801.75 |============================= Virtio ZFS HDD Raid 0 2 .............. 807.12 |============================= Virtio ZFS HDD Raid 10 ............... 887.85 |================================ Virtio ZFS HDD Raid 10 WBU ........... 746.27 |=========================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 230.68 |======== Unpacking The Linux Kernel linux-4.15.tar.xz Seconds < Lower Is Better TR150 SSD: EXT4 ...................... 6.40 |============= TR150 SSD: F2FS ...................... 6.67 |============== TR150 SSD: Btrfs ..................... 9.44 |==================== TR150 SSD: XFS ....................... 6.82 |============== Seagate HDD: XFS ..................... 7.65 |================ Seagate HDD: Btrfs ................... 7.25 |=============== Seagate HDD: EXT4 .................... 6.67 |============== Virtio ZFS HDD Raid 0 2 .............. 15.97 |================================= Virtio ZFS HDD Raid 10 ............... 14.52 |============================== Virtio ZFS HDD Raid 10 WBU ........... 10.65 |====================== XenServer 7.4 Adaptec 6805 Raid 1 PV . 15.93 |================================= Git Time To Complete Common Git Commands Seconds < Lower Is Better TR150 SSD: EXT4 ...................... 6.31 |============ TR150 SSD: F2FS ...................... 6.40 |============ TR150 SSD: Btrfs ..................... 6.36 |============ TR150 SSD: XFS ....................... 6.65 |============ Seagate HDD: XFS ..................... 6.76 |============= Seagate HDD: Btrfs ................... 6.59 |============ Seagate HDD: EXT4 .................... 6.57 |============ Virtio ZFS HDD Raid 0 2 .............. 6.67 |============ Virtio ZFS HDD Raid 10 ............... 7.15 |============= Virtio ZFS HDD Raid 10 WBU ........... 7.57 |============== XenServer 7.4 Adaptec 6805 Raid 1 PV . 17.81 |=================================