centos-ramfs-iscsi redo 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 FN DS4K/RAID5 n/cache n/zlog: 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 FN DS4K/RAID5 n/cache n/zlog - redo: 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 |============================ FN DS4K/RAID5 n/cache n/zlog - redo ....... 2614 |============================ 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 |============================= FN DS4K/RAID5 n/cache n/zlog - redo ....... 2644 |============================= 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 |================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2666 |=================================== 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 |=================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2212 |=================================== 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 |=================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2231 |=================================== 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 |=================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2224 |=================================== 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 361.08 |======================== 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 378.89 |============================ 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 |==== FN DS4K/RAID5 n/cache n/zlog - redo . 414.73 |=========================== 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 307.88 |======================= 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 354.45 |=========================== 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 390.39 |============================ 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 |================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2710 |=================================== 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 |================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2732 |=================================== 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 |================================= FN DS4K/RAID5 n/cache n/zlog - redo . 2740 |=================================== 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 |================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2658 |=================================== 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 |================================== FN DS4K/RAID5 n/cache n/zlog - redo . 2149 |=================================== 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 354.86 |========================= 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 386.35 |============================= 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 |===== FN DS4K/RAID5 n/cache n/zlog - redo . 408.62 |=========================== 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 |==== FN DS4K/RAID5 n/cache n/zlog - redo . 311.51 |=================== 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 |==== FN DS4K/RAID5 n/cache n/zlog - redo . 284.99 |=================== 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 |================================= FN DS4K/RAID5 n/cache n/zlog - redo . 2604 |================================== 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 |==== FN DS4K/RAID5 n/cache n/zlog - redo . 322.46 |====================