centos-ramfs-iscsi
local storage


test 1: 

	Processor: 4 x Intel Xeon E7 4870 (8 Cores), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 4 x 16384 MB DRAM, Disk: 172GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3

	OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 2048x1600, System Layer: VMware

FN RZ3 w/cache w/zlog BTRFS: 

	Processor: 4 x Intel Xeon E7 4870 (8 Cores), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 2 x 16384 MB DRAM, Disk: 64GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3

	OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: btrfs, Screen Resolution: 2048x1600, System Layer: VMware

FN RZ3 w/cache w/zlog BTRFS sync=disabled: 

	Processor: 4 x Intel Xeon E7 4870 (8 Cores), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 2 x 16384 MB DRAM, Disk: 64GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3

	OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: btrfs, Screen Resolution: 2048x1600, System Layer: VMware

DS4K Raid5: 

	Processor: 4 x Intel Xeon E7 4870 (8 Cores), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 2 x 16384 MB DRAM, Disk: 64GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3

	OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: btrfs, Screen Resolution: 1176x885, System Layer: VMware

ESXi Local DS: 

	Processor: 4 x Intel Xeon E7 4870 (8 Cores), Motherboard: Intel 440BX (6.00 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 2 x 16384 MB DRAM, Disk: 64GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3

	OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: btrfs, Screen Resolution: 1176x885, System Layer: VMware


IOzone 3.465
Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 .................................... 2682 |=============================
FN RZ3 w/cache w/zlog BTRFS ............... 2374 |==========================
FN RZ3 w/cache w/zlog BTRFS sync=disabled . 2044 |======================
DS4K Raid5 ................................ 2544 |============================
ESXi Local DS ............................. 2679 |=============================


IOzone 3.465
Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 .................................... 2671 |=============================
FN RZ3 w/cache w/zlog BTRFS ............... 2341 |=========================
FN RZ3 w/cache w/zlog BTRFS sync=disabled . 2117 |=======================
DS4K Raid5 ................................ 2628 |============================
ESXi Local DS ............................. 2682 |=============================


IOzone 3.465
Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2663 |===========================================
FN RZ3 w/cache w/zlog BTRFS . 2511 |=========================================
DS4K Raid5 .................. 2590 |==========================================
ESXi Local DS ............... 2651 |===========================================


IOzone 3.465
Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2193 |==========================================
FN RZ3 w/cache w/zlog BTRFS . 1887 |====================================
DS4K Raid5 .................. 2191 |==========================================
ESXi Local DS ............... 2245 |===========================================


IOzone 3.465
Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2199 |==========================================
FN RZ3 w/cache w/zlog BTRFS . 1823 |===================================
DS4K Raid5 .................. 2208 |==========================================
ESXi Local DS ............... 2238 |===========================================


IOzone 3.465
Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2184 |==========================================
FN RZ3 w/cache w/zlog BTRFS . 2076 |========================================
DS4K Raid5 .................. 2210 |===========================================
ESXi Local DS ............... 2215 |===========================================


IOzone 3.465
Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 488.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 348.00 |=============================
DS4K Raid5 .................. 70.26  |======
ESXi Local DS ............... 173.87 |===============


IOzone 3.465
Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 448.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 368.00 |==================================
DS4K Raid5 .................. 67.80  |======
ESXi Local DS ............... 173.55 |================


IOzone 3.465
Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 506.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 251.00 |====================
DS4K Raid5 .................. 68.93  |======
ESXi Local DS ............... 179.26 |===============


IOzone 3.465
Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 438.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 314.00 |=============================
DS4K Raid5 .................. 68.75  |======
ESXi Local DS ............... 165.21 |===============


IOzone 3.465
Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 426.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 351.00 |==================================
DS4K Raid5 .................. 66.76  |======
ESXi Local DS ............... 166.77 |================


IOzone 3.465
Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 468.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 258.00 |=======================
DS4K Raid5 .................. 68.49  |======
ESXi Local DS ............... 175.24 |===============


IOzone 3.465
Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2674 |===========================================
FN RZ3 w/cache w/zlog BTRFS . 2110 |==================================
DS4K Raid5 .................. 2661 |===========================================
ESXi Local DS ............... 2691 |===========================================


IOzone 3.465
Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2656 |===========================================
FN RZ3 w/cache w/zlog BTRFS . 2082 |=================================
DS4K Raid5 .................. 2631 |==========================================
ESXi Local DS ............... 2684 |===========================================


IOzone 3.465
Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2671 |===========================================
FN RZ3 w/cache w/zlog BTRFS . 2590 |==========================================
DS4K Raid5 .................. 2611 |==========================================
ESXi Local DS ............... 2563 |=========================================


IOzone 3.465
Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2631 |===========================================
FN RZ3 w/cache w/zlog BTRFS . 2462 |========================================
DS4K Raid5 .................. 2593 |==========================================
ESXi Local DS ............... 2655 |===========================================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2176 |==========================================
FN RZ3 w/cache w/zlog BTRFS . 2107 |=========================================
DS4K Raid5 .................. 2124 |=========================================
ESXi Local DS ............... 2235 |===========================================


IOzone 3.465
Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 476.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 335.00 |=============================
DS4K Raid5 .................. 70.06  |======
ESXi Local DS ............... 172.98 |===============


IOzone 3.465
Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 446.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 371.00 |==================================
DS4K Raid5 .................. 67.65  |======
ESXi Local DS ............... 173.09 |================


IOzone 3.465
Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 498.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 250.00 |=====================
DS4K Raid5 .................. 68.89  |======
ESXi Local DS ............... 177.47 |===============


IOzone 3.465
Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 539.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 297.00 |=======================
DS4K Raid5 .................. 65.25  |=====
ESXi Local DS ............... 199.31 |===============


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 483.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 289.00 |=========================
DS4K Raid5 .................. 63.88  |=====
ESXi Local DS ............... 186.93 |================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
test 1 ...................... 2671 |===========================================
FN RZ3 w/cache w/zlog BTRFS . 2575 |=========================================
DS4K Raid5 .................. 2528 |=========================================
ESXi Local DS ............... 2648 |===========================================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
test 1 ...................... 533.00 |=========================================
FN RZ3 w/cache w/zlog BTRFS . 292.00 |======================
DS4K Raid5 .................. 65.12  |=====
ESXi Local DS ............... 198.21 |===============