host-vs-guest Running pts/iozone-1.8.0, pts/fio-1.7.1 via the Phoronix Test Suite. raid0-host: Processor: 2 x Intel Xeon E5-2620 0 @ 2.00GHz (24 Cores), Motherboard: Dell 0TTH1R, Memory: 64512MB, Disk: 1998GB Logical Volume + 2 x 500GB Seagate ST9500620NS + 2 x 160GB INTEL SSDSA2CW16 OS: CentOS 6.6, Kernel: 2.6.32-504.3.3.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4 raid0-guest: Processor: 16 x QEMU Virtual (cpu64-rhel6) @ 2.00GHz (16 Cores), Motherboard: Red Hat KVM, Memory: 2 x 16384 MB RAM, Disk: 10GB OS: CentOS 6.6, Kernel: 2.6.32-504.3.3.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU noraid-host: Processor: 2 x Intel Xeon E5-2620 0 @ 2.00GHz (24 Cores), Motherboard: Dell 0TTH1R, Memory: 8 x 8192 MB DDR3-1333MHz, Disk: 2 x 1000GB Seagate ST91000640NS OS: CentOS 6.6, Kernel: 2.6.32-504.3.3.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4 noraid-guest: Processor: 16 x QEMU Virtual (cpu64-rhel6) @ 2.00GHz (16 Cores), Motherboard: Red Hat KVM, Memory: 2 x 16384 MB RAM, Disk: 10GB OS: CentOS 6.6, Kernel: 2.6.32-504.3.3.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU south-host: Processor: 2 x AMD Opteron 6172 @ 2.10GHz (24 Cores), Motherboard: Sugon 24000635, Chipset: AMD ATI RD890 + SB7x0/SB8x0/SB9x0, Memory: 8 x 8192 MB DDR3-667MHz, Disk: 2997GB MegaRAID 8708EM2, Graphics: ASPEED ASPEED Family, Network: Intel 82576 Gigabit Connection OS: RedHatEnterpriseServer 6.4, Kernel: 2.6.32-358.el6.x86_64 (x86_64), Desktop: GNOME, Display Driver: modesetting 0.5.0, Compiler: GCC 4.4.7 20120313, File-System: ext4 IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better raid0-host ... 5245.65 |======================================================= raid0-guest .. 2889.99 |============================== noraid-host .. 5094.39 |===================================================== noraid-guest . 3428.17 |==================================== south-host ... 2404.43 |========================= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better raid0-host ... 3825.79 |================================================== raid0-guest .. 2340.78 |============================== noraid-host .. 4243.53 |======================================================= noraid-guest . 2302.38 |============================== south-host ... 2008.77 |========================== IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better raid0-host ... 158.04 |======================================================== raid0-guest .. 94.59 |================================== noraid-host .. 74.76 |========================== noraid-guest . 59.49 |===================== south-host ... 39.22 |============== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better raid0-host ... 147.51 |======================================================== raid0-guest .. 91.80 |=================================== noraid-host .. 72.89 |============================ noraid-guest . 58.07 |====================== south-host ... 37.91 |============== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better raid0-host ... 5934.38 |======================================================= raid0-guest .. 3135.45 |============================= noraid-host .. 5457.42 |=================================================== noraid-guest . 2953.15 |=========================== south-host ... 2521.24 |======================= IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better raid0-host ... 157.74 |======================================================== raid0-guest .. 94.38 |================================== noraid-host .. 73.07 |========================== noraid-guest . 59.87 |===================== south-host ... 40.06 |============== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 817 |=================================================== raid0-guest .. 947 |=========================================================== noraid-host .. 422 |========================== noraid-guest . 458 |============================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 6.58 |==================================================== raid0-guest .. 7.32 |========================================================== noraid-host .. 3.46 |=========================== noraid-guest . 3.65 |============================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 185 |=========================================================== raid0-guest .. 180 |========================================================= noraid-host .. 182 |========================================================== noraid-guest . 172 |======================================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 1.50 |========================================================== raid0-guest .. 1.47 |========================================================= noraid-host .. 1.49 |========================================================== noraid-guest . 1.41 |======================================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 953 |======================================================= raid0-guest .. 1001 |========================================================== noraid-host .. 514 |============================== noraid-guest . 456 |========================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 7.62 |====================================================== raid0-guest .. 8.13 |========================================================== noraid-host .. 4.13 |============================= noraid-guest . 3.69 |========================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 22001 |========================================================= raid0-guest .. 11518 |============================== noraid-host .. 10126 |========================== noraid-guest . 7890 |==================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 193.01 |======================================================== raid0-guest .. 90.07 |========================== noraid-host .. 105.07 |============================== noraid-guest . 63.44 |================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 26038 |========================================================= raid0-guest .. 13407 |============================= noraid-host .. 11649 |========================== noraid-guest . 9063 |==================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 209.08 |======================================================== raid0-guest .. 109.31 |============================= noraid-host .. 93.71 |========================= noraid-guest . 72.75 |=================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 25719 |========================================================= raid0-guest .. 15957 |=================================== noraid-host .. 11553 |========================== noraid-guest . 9945 |====================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 205.06 |======================================================== raid0-guest .. 126.70 |=================================== noraid-host .. 92.88 |========================= noraid-guest . 79.46 |====================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 25276 |========================================================= raid0-guest .. 1839 |==== noraid-host .. 11387 |========================== noraid-guest . 1745 |==== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 204.48 |======================================================== raid0-guest .. 14.64 |==== noraid-host .. 90.44 |========================= noraid-guest . 14.27 |==== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better raid0-host ... 21656 |========================================================= raid0-guest .. 11928 |=============================== noraid-host .. 12956 |================================== noraid-guest . 8011 |===================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: Yes - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better raid0-host ... 181.39 |======================================================== raid0-guest .. 95.21 |============================= noraid-host .. 89.55 |============================ noraid-guest . 66.15 |====================