DELL R420 & MD3220 IO性能測試報告

 

##################################################### ## 若有轉載，請務必保留本文連接及版權信息 ## 歡迎廣大運維同仁一塊兒交流linux/unix網站運維技術! ##QQ:335623998 ##E-mail:335623998@qq.com ## 博客： http://dreamway.blog.51cto.com/ ##weibo ： http://weibo.com/zhaixiangpan #####################################################   MD3220 四部曲： 《DAS存儲DELL MD3220配置記錄》 http://dreamway.blog.51cto.com/1281816/1130444 《CentOS6.3安裝PowerVault MD Storage Manager》 http://dreamway.blog.51cto.com/1281816/1131439 《CentOS6.3掛載DELL MD3220虛擬磁盤》http://dreamway.blog.51cto.com/1281816/1131557 《DELL R420 & MD3220 IO性能測試報告》http://dreamway.blog.51cto.com/1281816/1134064 1 、測試環境
操做系統版本	CentOS release 6.3 (Final) x86_64
內核版本	2.6.32-279.el6.x86_64 #1 SMP
文件系統	ext4
IO 調	cfq
測試機	DELL PE R420( 詳見 R420 硬件配置信息 )
2 、DAS IO測試工具Iometer
Iometer 版本	1.1.0-rc1
Iometer 設置參數
Maximum Disk Sizes	20000000Sectors （81GB）
of Outstanding I/Os	1/8/32
Run Time	2h
3 、R420硬件配置信息
Summary:        Dell R420, 1 x Xeon E5-2420 0 1.90GHz, 15.5GB / 16GB 1333MHz DDR3 System:         Dell PowerEdge R420 (Dell 01PP0V) Processors:     1 (of 2) x Xeon E5-2420 0 1.90GHz 6400MHz FSB (HT enabled, 6 cores, 12 threads) Memory:         15.5GB / 16GB 1333MHz DDR3 == 2 x 8GB, 10 x empty Disk:           sda (scsi0): 1.2TB (7%) JBOD == 1 x DELL-PERC-H710P Disk:           sdb (scsi1): 2.4TB JBOD == 1 x DELL-MD32xx Disk:           sdc (scsi1): JBOD == 1 x DELL-Universal-Xport Disk-Control:   ahci0: Intel C600/X79 series chipset 6-Port SATA AHCI Controller Disk-Control:   megaraid_sas0: LSI Logic / Symbios Logic MegaRAID SAS 2208 [Thunderbolt] Disk-Control:   mpt2sas0: LSI Logic / Symbios Logic SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] Network:        em1 (tg3): Broadcom NetXtreme BCM5720 Gigabit PCIe, 90:b1:1c:30:4d:3a, 100Mb/s <full-duplex> Network:        em2 (tg3): Broadcom NetXtreme BCM5720 Gigabit PCIe, 90:b1:1c:30:4d:3b, no carrier OS:             CentOS 6.3 (Final), Linux 2.6.32-279.el6.x86_64 x86_64, 64-bit BIOS:           Dell 1.4.6 10/26/2012 R420 硬盤及RAID配置：RAID5 600G/2.5"/10k/sas*3+1塊hotspare/RAID卡1GB緩存
4 、R420 IO性能測試
兩個設備硬件配置方面及RAID配置都同樣：RAID卡1GB緩存、硬盤SAS/10k/2.5寸
Access Specification Name	of Outstanding I/Os	IOps	Read IOps	Write IOps	MBps (Decimal)		Read MBps (Decimal)		Write MBps (Decimal)		Transactions per Second		Average Response Time(ms)
4K; 100% Read; 0% random	8	78995.73001	78995.73001	0	323.56651		323.56651		0		78995.73001		0.101051
4K; 100% Write; 0% random	8	79386.4845	0	79386.4845	325.16704		0		325.16704		79386.4845		0.100447
4K; 100% Read; 100% random	8	235.249117	235.249117	0	0.96358		0.96358		0		235.249117		34.005524
4K; 100% Write; 100% random	8	1672.556382	0	1672.556382	6.850791		0		6.850791		1672.556382		4.782309
4K; 100% Read; 0% random	16	78929.86665	78929.86665	0	323.296734		323.29673		0		78929.86665		0.202484
4K; 100% Write; 0% random	16	79388.71514	0	79388.71514	325.176177		0		325.176177		79388.71514		0.201219
4K; 100% Read; 100% random	16	254.362938	254.362938	0	1.041871		1.041871		0		254.362938		62.901264
4K; 100% Write; 100% random	16	1685.435247	0	1685.435247	6.903543		0		6.903543		1685.435247		9.492133
4K; 100% Read; 0% random	32	78989.47286	78989.47286	0	323.540881		323.54088		0		78989.47286		0.404873
4K; 100% Write; 0% random	32	79375.04768	0	79375.04768	325.120195		0		325.120195		79375.04768		0.402844
4K; 100% Read; 100% random	32	258.860832	258.860832	0	1.060294		1.060294		0		258.860832		123.618606
4K; 100% Write; 100% random	32	1686.722898	0	1686.722898	6.908817		0		6.908817		1686.722898		18.968491

 

五、MD3220 IO性能測試

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六、測試結論
IO 測試結論： 主要測試4k數據順序、隨機讀寫IO性能 R420隨機讀寫性能較差，特別是隨機讀性能，相對MD3220隨機讀較好 MD3220 隨機讀寫性能較差。除隨機讀性能外，其餘方面比R420性能較好

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