testing02 4 discos zfs sync off mtu9000 1dsynconmtu1500: Processor: Common KVM (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 30GB, Graphics: Red Hat QXL paravirtual graphic card, Network: 2 x Red Hat Virtio device OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu 1dsyncoffmtu1500: Processor: Common KVM (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 30GB, Graphics: Red Hat QXL paravirtual graphic card, Network: 2 x Red Hat Virtio device OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu 1dsyncoffmtu9000: Processor: Common KVM (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 30GB, Graphics: Red Hat QXL paravirtual graphic card, Network: 2 x Red Hat Virtio device OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu 4dsynconmtu1500: Processor: Common KVM (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 30GB, Graphics: Red Hat QXL paravirtual graphic card, Network: 2 x Red Hat Virtio device OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu 4dsyncoffmtu1500: Processor: Common KVM (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 30GB, Graphics: Red Hat QXL paravirtual graphic card, Network: 2 x Red Hat Virtio device OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu 4dsyncoffmtu9000: Processor: Common KVM (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 30GB, Graphics: Red Hat QXL paravirtual graphic card, Network: 2 x Red Hat Virtio device OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 106 |===================================================== 1dsyncoffmtu1500 . 109 |======================================================= 1dsyncoffmtu9000 . 110 |======================================================= 4dsynconmtu1500 .. 109 |======================================================= 4dsyncoffmtu1500 . 108 |====================================================== 4dsyncoffmtu9000 . 108 |====================================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 108 |==================================================== 1dsyncoffmtu1500 . 109 |===================================================== 1dsyncoffmtu9000 . 114 |======================================================= 4dsynconmtu1500 .. 109 |===================================================== 4dsyncoffmtu1500 . 109 |===================================================== 4dsyncoffmtu9000 . 109 |===================================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 108 |==================================================== 1dsyncoffmtu1500 . 110 |===================================================== 1dsyncoffmtu9000 . 114 |======================================================= 4dsynconmtu1500 .. 110 |===================================================== 4dsyncoffmtu1500 . 109 |===================================================== 4dsyncoffmtu9000 . 109 |===================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 109 |==================================================== 1dsyncoffmtu1500 . 110 |===================================================== 1dsyncoffmtu9000 . 115 |======================================================= 4dsynconmtu1500 .. 110 |===================================================== 4dsyncoffmtu1500 . 110 |===================================================== 4dsyncoffmtu9000 . 110 |===================================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 109 |==================================================== 1dsyncoffmtu1500 . 110 |==================================================== 1dsyncoffmtu9000 . 116 |======================================================= 4dsynconmtu1500 .. 110 |==================================================== 4dsyncoffmtu1500 . 110 |==================================================== 4dsyncoffmtu9000 . 110 |==================================================== IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 109 |==================================================== 1dsyncoffmtu1500 . 110 |===================================================== 1dsyncoffmtu9000 . 115 |======================================================= 4dsynconmtu1500 .. 109 |==================================================== 4dsyncoffmtu1500 . 110 |===================================================== 4dsyncoffmtu9000 . 110 |===================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 65.54 |=============================== 1dsyncoffmtu1500 . 110.97 |==================================================== 1dsyncoffmtu9000 . 105.90 |================================================== 4dsynconmtu1500 .. 81.60 |====================================== 4dsyncoffmtu1500 . 110.01 |==================================================== 4dsyncoffmtu9000 . 96.08 |============================================= IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 63.36 |============================== 1dsyncoffmtu1500 . 111.42 |==================================================== 1dsyncoffmtu9000 . 106.43 |================================================== 4dsynconmtu1500 .. 82.67 |======================================= 4dsyncoffmtu1500 . 111.06 |==================================================== 4dsyncoffmtu9000 . 97.05 |============================================= IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 65.01 |============================== 1dsyncoffmtu1500 . 111.50 |==================================================== 1dsyncoffmtu9000 . 106.51 |================================================== 4dsynconmtu1500 .. 79.23 |===================================== 4dsyncoffmtu1500 . 111.16 |==================================================== 4dsyncoffmtu9000 . 97.21 |============================================= IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 66.70 |=============================== 1dsyncoffmtu1500 . 110.24 |==================================================== 1dsyncoffmtu9000 . 105.45 |================================================== 4dsynconmtu1500 .. 80.82 |====================================== 4dsyncoffmtu1500 . 105.01 |================================================== 4dsyncoffmtu9000 . 96.04 |============================================= IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 61.63 |============================= 1dsyncoffmtu1500 . 110.61 |==================================================== 1dsyncoffmtu9000 . 106.15 |================================================== 4dsynconmtu1500 .. 77.13 |==================================== 4dsyncoffmtu1500 . 107.78 |=================================================== 4dsyncoffmtu9000 . 96.68 |============================================= IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 68.13 |================================ 1dsyncoffmtu1500 . 111.21 |==================================================== 1dsyncoffmtu9000 . 106.26 |================================================== 4dsynconmtu1500 .. 78.74 |===================================== 4dsyncoffmtu1500 . 110.57 |==================================================== 4dsyncoffmtu9000 . 96.85 |============================================= IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 109 |==================================================== 1dsyncoffmtu1500 . 110 |===================================================== 1dsyncoffmtu9000 . 115 |======================================================= 4dsynconmtu1500 .. 110 |===================================================== 4dsyncoffmtu1500 . 110 |===================================================== 4dsyncoffmtu9000 . 110 |===================================================== IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 109 |==================================================== 1dsyncoffmtu1500 . 110 |===================================================== 1dsyncoffmtu9000 . 115 |======================================================= 4dsynconmtu1500 .. 110 |===================================================== 4dsyncoffmtu1500 . 110 |===================================================== 4dsyncoffmtu9000 . 110 |===================================================== IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 109 |==================================================== 1dsyncoffmtu1500 . 110 |===================================================== 1dsyncoffmtu9000 . 115 |======================================================= 4dsynconmtu1500 .. 110 |===================================================== 4dsyncoffmtu1500 . 110 |===================================================== 4dsyncoffmtu9000 . 110 |===================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 3865 |=================================== 1dsyncoffmtu1500 . 5909 |===================================================== 1dsyncoffmtu9000 . 6033 |====================================================== 4dsynconmtu1500 .. 1330 |============ 4dsyncoffmtu1500 . 6020 |====================================================== 4dsyncoffmtu9000 . 5743 |=================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 1893 |=========================================== 1dsyncoffmtu1500 . 2361 |====================================================== 1dsyncoffmtu9000 . 2288 |==================================================== 4dsynconmtu1500 .. 1262 |============================= 4dsyncoffmtu1500 . 2334 |===================================================== 4dsyncoffmtu9000 . 2358 |====================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 69.22 |================================ 1dsyncoffmtu1500 . 111.00 |==================================================== 1dsyncoffmtu9000 . 105.22 |================================================= 4dsynconmtu1500 .. 75.89 |==================================== 4dsyncoffmtu1500 . 110.14 |==================================================== 4dsyncoffmtu9000 . 96.80 |============================================= IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 73.00 |================================== 1dsyncoffmtu1500 . 111.42 |==================================================== 1dsyncoffmtu9000 . 106.89 |================================================== 4dsynconmtu1500 .. 79.53 |===================================== 4dsyncoffmtu1500 . 110.88 |==================================================== 4dsyncoffmtu9000 . 97.13 |============================================= IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 64.93 |============================== 1dsyncoffmtu1500 . 111.58 |==================================================== 1dsyncoffmtu9000 . 106.72 |================================================== 4dsynconmtu1500 .. 80.20 |===================================== 4dsyncoffmtu1500 . 111.28 |==================================================== 4dsyncoffmtu9000 . 97.15 |============================================= IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 66.10 |================================ 1dsyncoffmtu1500 . 105.43 |=================================================== 1dsyncoffmtu9000 . 104.18 |================================================== 4dsynconmtu1500 .. 82.56 |======================================== 4dsyncoffmtu1500 . 107.94 |==================================================== 4dsyncoffmtu9000 . 94.52 |============================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 57.45 |============================ 1dsyncoffmtu1500 . 106.41 |==================================================== 1dsyncoffmtu9000 . 101.88 |================================================== 4dsynconmtu1500 .. 80.88 |======================================== 4dsyncoffmtu1500 . 106.19 |==================================================== 4dsyncoffmtu9000 . 93.47 |============================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 3225 |============================ 1dsyncoffmtu1500 . 6128 |====================================================== 1dsyncoffmtu9000 . 6164 |====================================================== 4dsynconmtu1500 .. 1436 |============= 4dsyncoffmtu1500 . 6183 |====================================================== 4dsyncoffmtu9000 . 6123 |===================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 1dsynconmtu1500 .. 61.66 |============================== 1dsyncoffmtu1500 . 108.62 |==================================================== 1dsyncoffmtu9000 . 104.59 |================================================== 4dsynconmtu1500 .. 82.46 |======================================= 4dsyncoffmtu1500 . 108.33 |==================================================== 4dsyncoffmtu9000 . 95.22 |==============================================