2014年5月13日 星期二

我的 VirtualSAN 讀寫測試

VMware 已於今年 3 月 12日正式推出 VSAN (VirtualSAN)。我相信這產品吸引不少人的注意。首先我的公司在虛擬化方面,現在是使用 VSphere 5.0 + 3 x HP P4300。這架構也用了好幾年,亦到了需要擴展的階段。所以對於 VSAN 這個產品,我們也抱著相當大的興趣,所以在較早前下載了 VSphere 5.5 回來測試一番,並與現在的架構於速度上,比較一下。

測試 VSAN 主機環境:
VSphere ESXi 5.5 主機共三台,該三台主機是安裝於 Dell M1000e Chassis,而每台配置如下:
DELL PowerEdge M620
    - Xeon X5650@2.67GHz 6 Cores x 2pcs
    - 64Gb RAM
    - Intel DC S3700 Series 100GB SSDSC2BA100G301 2.5" SATA 3 6Gb/s SSD
    - Dell  2.5" SAS 146G 6Gb/s 15krpm HDD
    - 4pcs x 1Gb Adaptor (on B & C slots)

網路環境:
Dell PowerConnect M6348 x 4pcs (B1, B2, C1, C2)


測試虛擬機的設定:
    OS: Windows XP
    VCPU: ( number of virtual sockets: 1; number of cores per socket: 8)
    Memory: 1Gb


為了要有一個清晰的比較,我除了找來現在Production的架構外,另外找來 HP BladeSystem + FC Storage,以及單台 PC 作比較。

現有 Production 的 P4300 環境:
VSphere ESXi 5.0 主機共三台,該三台主機是安裝於 Dell M1000e Chassis,而每台配置如下:
DELL PowerEdge M620
    - Xeon X5650@2.67GHz 6 Cores x 2pcs
    - 64Gb RAM
    - 4pcs x 1Gb Adaptor (on B & C slots)

網路環境:
Dell PowerConnect M6348 x 4pcs (B1, B2, C1, C2)

儲存裝置:
三台HP Lefthand P4300 G2 8T 組成的 HP Storage Cluster
HDD: 1Tb 7200rpm

測試虛擬機的設定:
    OS: Windows XP
    VCPU: ( number of virtual sockets: 1; number of cores per socket: 8)
    Memory: 1Gb

HP BladeSystem + FC Storage 環境:
硬件:
     HP BladeSystem
        - c7000 Enclosure G2
        - ProLiant BL460c Gen8
          (    Xeon E5-2680 x 2 processors, 16G RAM    )

        - HP B-series 8/12c SAN Switch BladeSystem c-Class
        - HP VC Flex-10 Enet Module

    HP Storage P2000 G3 FC MSA

OS: Windows 2008R2 64bit Enterprise Edition





測試軟件:iometer 板本:2006.07.27

測試項目:
    Disk Target:
        - 16000000 sectors (8G size)
        - 16 per target (no. of Outstanding I/Os)

    No. of workers: 8

    Access Specification:
        4K; 100% Read; 0% random
        4K; 100% Read; 80% random
        4K; 70% Read; 80% random
        4K; 50% Read; 80% random
        4K; 50% Read; 0% random


測試結果:

Target Type 說明:
P4300 - 是指 Production中的環境,即 ESXi 5.0 + HP Lefthand P4300 G2,其執行測試的虛擬機的 SCSI Controller 為 BusLogic Parallel.

VSAN SSD BL - 是指使用上述 VSAN 測試環境,其執行測試的虛擬機的 SCSI Controller 為 BusLogic Parallel.

VSAN SSD PVSCSI - 是指使用上述 VSAN 測試環境,其執行測試的虛擬機的 SCSI Controller 為 VMware Paravirtual.

VSAN SSD LSI SAS - 是指使用上述 VSAN 測試環境,其執行測試的虛擬機的 SCSI Controller 為 LSI Logic SAS.

HP MSA2000 - 是指使用上述的 HP BladeSystem + FC Storage 測試環境,其執行的操作系統為 Windows 2008R2 64bit Enterprise Edition.,由於此環境是沒有虛擬化,所以是使用 HPLpe1205A FC HBA.

Target Type Access Specification Name
IOps
Read IOps Write IOps MBps Read MBps Write MBps Transactions per Second
P4300 4K; 100% Read; 0% random 12,212.127 12,212.127 0.000 47.704 47.704 0.000 12,212.127
VSAN SSD BL 4K; 100% Read; 0% random 4,740.406 4,740.406 0.000 18.517 18.517 0.000 4,740.406
VSAN SSD PVSCSI 4K; 100% Read; 0% random 16,056.946 16,056.946 0.000 62.722 62.722 0.000 16,056.946
VSAN SSD LSI SAS 4K; 100% Read; 0% random 9,600.117 9,600.117 0.000 37.500 37.500 0.000 9,600.117
HP MSA2000 4K; 100% Read; 0% random 8,299.105 8,299.105 0.000 32.418 32.418 0.000 8,299.105
                 
Target Type Access Specification Name
IOps
Read IOps Write IOps MBps Read MBps Write MBps Transactions per Second
P4300 4K; 100% Read; 80% random 1,111.533 1,111.533 0.000 4.342 4.342 0.000 1,111.533
VSAN SSD BL 4K; 100% Read; 80% random 1,857.710 1,857.710 0.000 7.257 7.257 0.000 1,857.710
VSAN SSD PVSCSI 4K; 100% Read; 80% random 5,423.012 5,423.012 0.000 21.184 21.184 0.000 5,423.012
VSAN SSD LSI SAS 4K; 100% Read; 80% random 6,717.932 6,717.932 0.000 26.242 26.242 0.000 6,717.932
HP MSA2000 4K; 100% Read; 80% random 1,560.186 1,560.186 0.000 6.094 6.094 0.000 1,560.186
                 
Target Type Access Specification Name
IOps
Read IOps Write IOps MBps Read MBps Write MBps Transactions per Second
P4300 4K; 70% Read; 80% random 988.997 692.521 296.476 3.863 2.705 1.158 988.997
VSAN SSD BL 4K; 70% Read; 80% random 1,319.366 921.783 397.583 5.154 3.601 1.553 1,319.366
VSAN SSD PVSCSI 4K; 70% Read; 80% random 6,376.888 4,462.153 1,914.736 24.910 17.430 7.479 6,376.888
VSAN SSD LSI SAS 4K; 70% Read; 80% random 5,266.276 3,686.681 1,579.595 20.571 14.401 6.170 5,266.276
HP MSA2000 4K; 70% Read; 80% random 1,081.348 757.498 323.850 4.224 2.959 1.265 1,081.348
                 
Target Type Access Specification Name
IOps
Read IOps Write IOps MBps Read MBps Write MBps Transactions per Second
P4300 4K; 50% Read; 80% random 857.384 427.228 430.156 3.349 1.669 1.680 857.384
VSAN SSD BL 4K; 50% Read; 80% random 1,065.819 534.168 531.651 4.163 2.087 2.077 1,065.819
VSAN SSD PVSCSI 4K; 50% Read; 80% random 4,251.774 2,119.182 2,132.592 16.608 8.278 8.330 4,251.774
VSAN SSD LSI SAS 4K; 50% Read; 80% random 3,185.194 1,595.781 1,589.414 12.442 6.234 6.209 3,185.194
HP MSA2000 4K; 50% Read; 80% random 1,021.078 511.948 509.130 3.989 2.000 1.989 1,021.078
                 
Target Type Access Specification Name
IOps
Read IOps Write IOps MBps Read MBps Write MBps Transactions per Second
P4300 4K; 50% Read; 0% random 1,121.322 559.546 561.776 4.380 2.186 2.194 1,121.322
VSAN SSD BL 4K; 50% Read; 0% random 1,295.807 645.841 649.966 5.062 2.523 2.539 1,295.807
VSAN SSD PVSCSI 4K; 50% Read; 0% random 4,625.646 2,313.626 2,312.020 18.069 9.038 9.031 4,625.646
VSAN SSD LSI SAS 4K; 50% Read; 0% random 7,770.314 3,887.471 3,882.842 30.353 15.185 15.167 7,770.314
HP MSA2000 4K; 50% Read; 0% random 3,537.858 1,765.679 1,772.179 13.820 6.897 6.923 3,537.858


總結:
據以上測試結果來看,VSAN 架構在隨機讀寫的情況下有明顯優勢。P4300 表現其實也算中等。唯獨是  HP BladeSystem + FC Storage 測試環境,不知是我的設定有問題,還是其他原因,以上 5 種不同的 situations 都沒有特別明顯的優勢。

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