在具有RAID1 + 0的HP P410上，磁盘性能非常慢

我有HP Microserver N54L，直到最近我用集成软件RAID没有问题。 我的RAIDarrays有2个WD黑色和2个WD红色（非专业）磁盘。 我也直接在主板上安装了SSD（不是那么重要，只是为了弄清所有的事实）。

我用一个电池后备写caching模块购买了带有256MB内存的HP P410。

我使用的是esxi 5.1，我有一个Windows虚拟机。 在这台Windows机器上，我得到了很糟糕的读取速度（只能达到40-60 MB / s），写入速度还算不错（大约100MB / s），但是比我使用集成RAID时还要慢。

例如，这是从一个大的文件复制到ssd http://img.hihi.si/Upload/vYbD.png 🙁

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这是我的RAID控制器和数组信息

~ # esxcli hpssacli cmd -q "ctrl all show config detail" Smart Array P410 in Slot 1 Bus Interface: PCI Slot: 1 Serial Number: PACCRCN80ZK1TXH Cache Serial Number: PACCQID11090TB9 RAID 6 (ADG) Status: Disabled Controller Status: OK Hardware Revision: C Firmware Version: 6.60 Rebuild Priority: Medium Expand Priority: Medium Surface Scan Delay: 15 secs Surface Scan Mode: Idle Queue Depth: Automatic Monitor and Performance Delay: 60 min Elevator Sort: Enabled Degraded Performance Optimization: Disabled Inconsistency Repair Policy: Disabled Wait for Cache Room: Disabled Surface Analysis Inconsistency Notification: Disabled Post Prompt Timeout: 0 secs Cache Board Present: True Cache Status: OK Cache Ratio: 50% Read / 50% Write Drive Write Cache: Enabled Total Cache Size: 256 MB Total Cache Memory Available: 144 MB No-Battery Write Cache: Enabled Cache Backup Power Source: Batteries Battery/Capacitor Count: 1 Battery/Capacitor Status: OK SATA NCQ Supported: True Number of Ports: 2 Internal only Encryption Supported: False Driver Name: HP HPSA Driver Version: 5.0.0 Driver Supports HP SSD Smart Path: False Array: A Interface Type: SATA Unused Space: 0 MB Status: OK Array Type: Data Logical Drive: 1 Size: 1.8 TB Fault Tolerance: 1+0 Heads: 255 Sectors Per Track: 32 Cylinders: 65535 Strip Size: 256 KB Full Stripe Size: 512 KB Status: OK Caching: Enabled Unique Identifier: 600508B1001CC56A2CBC714D023D29CD Logical Drive Label: A002F51APACCRCN80ZK1TXH0967 Mirror Group 0: physicaldrive 2I:0:5 (port 2I:box 0:bay 5, SATA, 1 TB, OK) physicaldrive 2I:0:6 (port 2I:box 0:bay 6, SATA, 1 TB, OK) Mirror Group 1: physicaldrive 2I:0:7 (port 2I:box 0:bay 7, SATA, 1 TB, OK) physicaldrive 2I:0:8 (port 2I:box 0:bay 8, SATA, 1 TB, OK) Drive Type: Data LD Acceleration Method: Controller Cache physicaldrive 2I:0:5 Port: 2I Box: 0 Bay: 5 Status: OK Drive Type: Data Drive Interface Type: SATA Size: 1 TB Native Block Size: 512 Firmware Revision: 05.01D05 Serial Number: WD-WCATR3871895 Model: ATA WDC WD1002FAEX-0 SATA NCQ Capable: True SATA NCQ Enabled: True Current Temperature (C): 40 Maximum Temperature (C): 53 PHY Count: 1 PHY Transfer Rate: 3.0Gbps physicaldrive 2I:0:6 Port: 2I Box: 0 Bay: 6 Status: OK Drive Type: Data Drive Interface Type: SATA Size: 1 TB Native Block Size: 512 Firmware Revision: 05.01D05 Serial Number: WD-WCATR3904352 Model: ATA WDC WD1002FAEX-0 SATA NCQ Capable: True SATA NCQ Enabled: True Current Temperature (C): 40 Maximum Temperature (C): 44 PHY Count: 1 PHY Transfer Rate: 3.0Gbps physicaldrive 2I:0:7 Port: 2I Box: 0 Bay: 7 Status: OK Drive Type: Data Drive Interface Type: SATA Size: 1 TB Native Block Size: 4096 Rotational Speed: 5400 Firmware Revision: 01.01A01 Serial Number: WD-WCC4J4478782 Model: ATA WDC WD10EFRX-68P SATA NCQ Capable: True SATA NCQ Enabled: True Current Temperature (C): 32 Maximum Temperature (C): 34 PHY Count: 1 PHY Transfer Rate: 3.0Gbps physicaldrive 2I:0:8 Port: 2I Box: 0 Bay: 8 Status: OK Drive Type: Data Drive Interface Type: SATA Size: 1 TB Native Block Size: 4096 Firmware Revision: 01.01A01 Serial Number: WD-WCC1U5116513 Model: ATA WDC WD10EFRX-68J SATA NCQ Capable: True SATA NCQ Enabled: True Current Temperature (C): 30 Maximum Temperature (C): 36 PHY Count: 1 PHY Transfer Rate: 3.0Gbps SEP (Vendor ID PMCSIERA, Model SRC 8x6G) 250 Device Number: 250 Firmware Version: RevC WWID: 50014380118D3DBF Vendor ID: PMCSIERA Model: SRC 8x6G 

任何想法做什么？ 我需要提供更多信息吗？