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


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 |======================================================


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 |========================================================


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  |===========================


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  |============================


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 |===================================================


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  |==========================


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 |===========================


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 |============================


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 |===========================================================


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 |===========================================================


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  |==============================


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 |==============================


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 |===========================


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 |===============================


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 |==========================


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  |==========================


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 |==========================


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  |==========================


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 |==========================


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  |=========================


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 |===================================


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  |============================