本文描述几个命令行界面(CLI)命令，以及其他排除故障技术，可帮助排除硬盘驱动器(HDD)问题故障。排除的HDD问题故障佳方法是使用LED， GUI、BIOS， LSI选项ROM/MegaRaid GUI和日志。然而，这些选项总是不是可用的。在这种情况下，您能使用CLI。

There are no specific requirements for this document.

This document is not restricted to specific software and hardware versions.

The information in this document was created from the devices in a specific lab environment.All of the devices used in this document started with a cleared (default) configuration.If your network is live, make sure that you understand the potential impact of any command.

Refer to Cisco Technical Tips Conventions for more information on document conventions.

Note:在本文列出的某些命令取决于，如果有一个LSI MegaRaid控制器，当不是1064/1068e LSI控制器支持所有。

输入显示PCI适配器命令为了查看产品名称。此示例显示一台LSI 1064e适配器。

ucs-c2xx-m1 /chassis #show pci-adapter

Slot Vendor ID Device ID SubVendor ID SubDevice ID Product Name

---- --------- --------- ------------ ------------ ------------------------

M 0x1000 0x0056 0x152d 0x896d Cisco LSI 1064E Mezzan...

输入显示hdd命令为了查看HDDs的状态。

ucs-c2xx-m1 /chassis #show hdd

Name Status

-------------------- --------------------

HDD_01_STATUS present

HDD_02_STATUS absent

HDD_03_STATUS absent

HDD_04_STATUS absent

输入显示虚拟驱动器命令为了查看虚拟驱动器的状况。因为不要求您关闭服务器和输入BIOS查看信息，此命令是有用的。

ucs-c210-m2/chassis #scope storageadapter SLOT-5

ucs-c210-m2/chassis/storageadapter #show virtual-drive

Virtual Drive Status Name Size RAID Level

-------------- ------------------ ---------------------- --------- ----------

0 Optimal 139236 MB RAID 1

1 Degraded 974652 MB RAID 5

输入显示物理驱动命令为了查看物理驱动的状况。

ucs-c210-m2 /chassis/storageadapter #show physical-drive

Predictive

Slot Failure Drive Coerced

Number Controller Status Manufacturer Model Count Firmware Size Type

------ ---------- ------ ------------ ----------- ---------- -------- --------- ----

0 SLOT-5

1 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

2 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

3 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

4 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

5 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

6 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

7 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

9 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

10 SLOT-5 online SEAGATE ST9146852SS 0 0005 139236 MB HDD

输入显示错误计数器命令为了查看可校正和无法修复的错误的数量。

ucs-c210-m2 /chassis/storageadapter #show error-counters

PCI Slot SLOT-5:

Memory Correctable Errors: 0

Memory Uncorrectable Errors: 0

输入显示HW设置命令为了查看RAID控制器配置。

ucs-c210-m2 /chassis/storageadapter #show hw-config

PCI Slot SLOT-5:

SAS Address 0: 500e004aaaaaaa3f

SAS Address 1: 0000000000000000

SAS Address 2: 0000000000000000

SAS Address 3: 0000000000000000

SAS Address 4: 0000000000000000

SAS Address 5: 0000000000000000

SAS Address 6: 0000000000000000

SAS Address 7: 0000000000000000

BBU Present: true

NVRAM Present: true

Serial Debugger Present: true

Memory Present: true

Flash Present: true

Memory Size: 512 MB

Cache Memory Size: 394 MB

Number of Backend Ports: 8

输入显示物理驱动计数命令为了查看HDDs的编号。

ucs-c210-m2 /chassis/storageadapter #show physical-drive-count

PCI Slot SLOT-5:

Physical Drive Count: 9

Critical Physical Drive Count: 0

Failed Physical Drive Count: 0

在不访问CLI情况下，您能查看技术支持文件(/tmp/tech_support)为了得到关于HDDs的状态的信息。这是摘自显示从智能平台管理接口的技术支持文件的一个部分(IPMI)传感器的HDDs ：

Querying All IPMI Sensors:

Sensor Name | Reading | Unit | Status | LNR | LC | LNC | UNC | UC | UNR

HDD0_INFO | 0x0 | discrete | 0x2181 | na | na | na | na | na | na

HDD1_INFO | 0x0 | discrete | 0x2181 | na | na | na | na | na | na

HDD2_INFO | 0x0 | discrete | 0x2181 | na | na | na | na | na | na

HDD3_INFO | 0x0 | discrete | 0x2181 | na | na | na | na | na | na

HDD4_INFO | 0x0 | discrete | 0x2181 | na | na | na | na | na | na

HDD5_INFO | 0x0 | discrete | 0x2181 | na | na | na | na | na | na

HDD6_INFO | na | discrete | na | na | na | na | na | na | na

HDD7_INFO | na | discrete | na | na | na | na | na | na | na

这是摘自显示HDD状态的细分的技术支持文件的一个部分：

Bit[15:10] - Unused

Bit[9:8] - Fault

Bit[7:4] – LED Color

Bit[3:0] – LED State

Fault:

0x100 – On Line

0x200 - Degraded

LED Color:

0x10 – GREEN

0x20 – AMBER

0x40 – BLUE

0x80 – RED

LED State:

0x01 – OFF

0x02 – ON

0x04 – FAST BLINK

0x08 – SLOW BLINK

这是摘自显示HDD状态的技术支持文件的一个部分(与0x2181状态码) ：

0x2181

Fault:

0x100 --- HDD is On Line

LED Color:

0x80 --- RED

LED State:

0x01 --- OFF

您有选项使用备用电池单元(BBU)以一些服务器部署。BBU是在断电期间，保护磁盘关于RAID控制器的写高速缓存数据72小时的一个智能备用电池单元。

此示例显示如何使用MegaCli为了检查BBU的状态：

bash$ sudo /opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -a0 -NoLog

Password:

. . .

Battery Replacement required : Yes

. . .

Relative State of Charge: 99 %

Absolute State of charge: 76 %

. . .

Date of Manufacture: 11/08, 2008

Design Capacity: 700 mAh

Design Voltage: 3700 mV

Specification Info: 33

Serial Number: 243

Pack Stat Configuration: 0x6cb0

Manufacture Name: LSI113000G

Device Name: 2970700

Device Chemistry: LION

Battery FRU: N/A

此示例显示如何使用CLI为了检查BBU的状态：

ucs-c200-m2 /chassis/storageadapter #show bbu detail

Controller SLOT-7:

Battery Type: iBBU

Battery Present: true

Voltage: 4.023 V

Current: 0.000 A

Charge: 100%

Charging State: fully charged

Temperature: 34 degrees C

Voltage Low: false

Temperature High: false

Learn Cycle Requested: false

Learn Cycle Active: false

Learn Cycle Failed: false

Learn Cycle Timeout: false

I2C Errors Detected: false

Battery Replacement Required: true

Remaining Capacity Low: true