disk-iozone KVM testing on CentOS Linux 8 via the Phoronix Test Suite. disk-iozone-test: Processor: Intel Xeon (1 Core / 2 Threads), Motherboard: Google Compute Engine n2-standard-2, Memory: 8GB, Disk: 38GB PersistentDisk OS: CentOS Linux 8, Kernel: 4.18.0-193.28.1.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, System Layer: KVM iozone-test1: Processor: Intel Xeon (1 Core / 2 Threads), Motherboard: Google Compute Engine n2-standard-2, Memory: 8GB, Disk: 38GB PersistentDisk OS: CentOS Linux 8, Kernel: 4.18.0-193.28.1.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, System Layer: KVM iozone-test2: Processor: Intel Xeon (1 Core / 2 Threads), Motherboard: Google Compute Engine n2-standard-2, Memory: 8GB, Disk: 38GB PersistentDisk OS: CentOS Linux 8, Kernel: 4.18.0-193.28.1.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, System Layer: KVM iozone-test3: Processor: Intel Xeon (1 Core / 2 Threads), Motherboard: Google Compute Engine n2-standard-2, Memory: 8GB, Disk: 38GB PersistentDisk OS: CentOS Linux 8, Kernel: 4.18.0-193.28.1.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, System Layer: KVM iozone-test4: Processor: Intel Xeon (1 Core / 2 Threads), Motherboard: Google Compute Engine n2-standard-2, Memory: 8GB, Disk: 38GB PersistentDisk OS: CentOS Linux 8, Kernel: 4.18.0-193.28.1.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, System Layer: KVM iozone-test5: Processor: Intel Xeon (1 Core / 2 Threads), Motherboard: Google Compute Engine n2-standard-2, Memory: 8GB, Disk: 38GB PersistentDisk OS: CentOS Linux 8, Kernel: 4.18.0-193.28.1.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, System Layer: KVM iozone-test6: Processor: Intel Xeon (1 Core / 2 Threads), Motherboard: Google Compute Engine n2-standard-2, Memory: 8GB, Disk: 38GB PersistentDisk OS: CentOS Linux 8, Kernel: 4.18.0-193.28.1.el8_2.x86_64 (x86_64), Compiler: GCC 8.3.1 20191121, File-System: xfs, System Layer: KVM IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better disk-iozone-test . 4330.79 |=================================================== IOzone 3.465 Record Size: 2MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better disk-iozone-test . 5728.74 |=================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better disk-iozone-test . 3273.96 |=================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better disk-iozone-test . 123.93 |==================================================== IOzone 3.465 Record Size: 2MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better disk-iozone-test . 124.11 |==================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better disk-iozone-test . 3.59 |====================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better disk-iozone-test . 5080.73 |=================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better disk-iozone-test . 36.55 |===================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better iozone-test2 . 4386.44 |============================================= iozone-test4 . 3973.69 |========================================= iozone-test5 . 3852.85 |======================================== iozone-test6 . 5341.58 |======================================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better iozone-test2 . 2914.52 |================================================== iozone-test4 . 2926.53 |================================================== iozone-test5 . 2922.24 |================================================== iozone-test6 . 3230.27 |======================================================= IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better iozone-test2 . 117.78 |======================================================== iozone-test4 . 117.72 |======================================================== iozone-test5 . 118.21 |======================================================== iozone-test6 . 13.12 |====== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better iozone-test2 . 116.07 |======================================================== iozone-test4 . 115.90 |======================================================== iozone-test5 . 116.21 |======================================================== iozone-test6 . 13.20 |====== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better iozone-test2 . 3592.63 |============================================== iozone-test4 . 3890.71 |================================================== iozone-test5 . 4274.97 |======================================================= iozone-test6 . 3614.32 |=============================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better iozone-test2 . 13.06 |====== iozone-test4 . 13.17 |====== iozone-test5 . 118.12 |======================================================== iozone-test6 . 13.13 |======