测试硬件：
CPU：Intel Xeon Sliver 4110*1
内存：32GB*1
硬盘：SAS 10K 600GB*4；SATA 7200 4TB*4
RAID卡1：RS0820P（PM8060）缓存2GB PMC芯片
RAID卡2：3008卡+key 无缓存
RAID卡3：LSI9361 缓存2GB
系统：Windows Server 2012 R2
测试软件：CrystalDiskMark 6.0.2 Shizuku Edition x64
RAID卡1：RS0820P（PM8060）缓存2GB PMC芯片
测试结果：（单位：MB/s）
0820P硬盘参数Seq
Q32T14KiB
Q8T84KiB
Q32T14KiB
Q1T1Seq
Q32T14KiB
Q8T84KiB
Q32T14KiB
Q1T1Seq
Q32T14KiB
Q8T84KiB
Q32T14KiB
Q1T1Seq
Q32T1
均值4KiB
Q8T8
均值4KiB
Q32T1
均值4KiB
Q1T1
均值C：600GRead[MB/s]6918.00618.00570.10103.606728.70543..4400.2084.146916.20451.00502.2085.426854.30534.50490.8391.05Write[MB/s]418.2015.4414.9910.67397.4014.2915.0610.90419.7015.9216.0910.82411.7715.2215.3810.80D：600G*3
RAID5Read[MB/s]6918.30590.90545.4086.866916.15588.85412.3786.946918.81474.56536.6987.196917.75551.44498.1587.00Write[MB/s]629.90185.50111.0017.56647.16191.32109.3617.11648.55168.45105.0216.97641.87181.76108.4617.21E:4TBRead[MB/s]6917.72504.26536.4087.066921.87533.88531.7286.796917.60547.30407.5086.796919.06528.48491.8786.88Write[MB/s]406.4271.9471.378.26411.8271.0271.048.38274.9070.4448.197.97364.3871.1363.538.20F:4TB*3
RAID5Read[MB/s]6921.50552.70406.7087.116914.80583.80407.0086.866914.70586.30539.7086.836917.00574.27451.1386.93Write[MB/s]606.80136.20135.9015.13585.30138.8062.3114.97601.90139.00132.6014.88598.00138.00110.2714.99D：600G*4
RAID5Read[MB/s]6945.40641.30614.20105.106914.50575.30537.6085.366913.30622.60565.0085.696924.40613.07572.2792.05Write[MB/s]889.70156.4029.9122.43762.90114.3029.5624.42922.50146.4029.8423.01858.37139.0329.7723.29F:4TB*4
RAID5Read[MB/s]6915.1624.2593.687.416913.5580.3551.987.276918.9619.1405.987.116915.83607.87517.1387.26Write[MB/s]765.3185.9168.421.25758208.3185.320.33764.9214158.519.94762.73202.73170.7320.51（600GB*4-600GB*3）÷
600GB*3 0%11%15%6% 34%-24%-73%35%（4TB*4-4TB*3）÷
4TB*3 0%6%15%0% 28%47%55%37%
结论：1.单块600GB SAS硬盘的读写速度分别为6854.3/411.77MB/s;
2.3块600GB硬盘组成RAID5，相对单块硬盘，读速度提高1%，写速度提高56%;
3.4块600GB硬盘相对3块600GB硬盘组成RAID5，读速度提高0%，写速度提高34%；
4.单块4TB SATA硬盘的读写速度分别为6910.06/364.38MB/s;
5.3块4TB硬盘组成RAID5，相对单块硬盘，读速度提高0%，写速度提高64%；
6.4块4TB硬盘相对3块4TB硬盘组成RAID5，读速度提高0%，写速度提高28%；
RAID卡2：3008卡
测试结果：
3008IMR+
Key硬盘参数Seq
Q32T14KiB
Q8T84KiB
Q32T14KiB
Q1T1Seq
Q32T14KiB
Q8T84KiB
Q32T14KiB
Q1T1Seq
Q32T14KiB
Q8T84KiB
Q32T14KiB
Q1T1Seq
Q32T1
均值4KiB
Q8T8
均值4KiB
Q32T1
均值4KiB
Q1T1
均值C：600GRead[MB/s]257.223.823.581.14245.343.503.041.07245.643.452.881.04249.403.593.171.08Write[MB/s]253.263.954.044.02243.303.693.793.69244.883.673.743.77247.153.773.863.83D：600G*3
RAID5Read[MB/s]502.1010.709.311.28502.5310.659.351.25500.4410.769.261.24501.6910.709.311.26Write[MB/s]488.943.663.450.88486.813.673.510.90487.083.733.480.87487.613.693.480.88E:4TBRead[MB/s]211.543.043.080.83211.793.053.080.83212.003.063.080.83211.783.053.080.83Write[MB/s]211.252.292.270.73210.432.322.280.73210.302.302.290.74210.662.302.280.73F:4TB*3
RAID5Read[MB/s]420.208.477.150.85419.308.507.150.88420.208.427.160.86419.908.477.150.86Write[MB/s]258.412.262.030.56252.302.322.030.57242.602.322.050.55251.102.302.040.56D：600G*4
RAID5[Seq Q32T1]Read[MB/s]743.30695.00712.80717.03Write[MB/s]590.60553.40557.10567.03F:4TB*4
RAID5[Seq Q32T1]Read[MB/s]620.6623.6622622.07Write[MB/s]335.3334.2343.1337.53
结论：略
RAID卡3：LSI9361（2G）
测试结果：
LSI9361（2G）硬盘参数SeqQ32T1Seq
Q32T1Seq
Q32T1Seq
Q32T1
均值C：600GRead[MB/s]5942.595947.435946.905945.64Write[MB/s]1742.391526.841530.041599.76D：600G*3
RAID5Read[MB/s]5953.825952.835956.345954.33Write[MB/s]676.37684.95649.20670.17E:4TBRead[MB/s]5953.675955.365955.795954.94Write[MB/s]6870.046871.386872.666871.36F:4TB*3
RAID5Read[MB/s]5955.625953.245954.065954.30Write[MB/s]613.95626.41613.11617.82D：600G*4
RAID5[Seq Q32T1]Read[MB/s] Write[MB/s] F:4TB*4
RAID5[Seq Q32T1]Read[MB/s] Write[MB/s]
结论：