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linux下查看硬盘型号、大小等信息（含Raid） 一、普通模式（该机硬盘没有做磁盘阵列） 1、fdisk -l 查看你的硬盘编号，如sda,sdb 等 2、smartctl --all /dev/sda smartctl --all /dev/sda #该命令redhat自带 [root@localhost ~]# smartctl --all /dev/sda smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-504.el6.x86_64] (local build) Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Device Model: SanDisk SD6SB1M128G1022I Serial Number: 141218410909 LU WWN Device Id: 5 001b44 becdaed9d Firmware Version: X231600 User Capacity: 128,035,676,160 bytes [128 GB] Sector Size: 512 bytes logical/physical Device is: Not in smartctl database [for details use: -P showall] ATA Version is: 8 ATA Standard is: ATA-8-ACS revision 6 Local Time is: Fri Jan 16 08:35:48 2015 CST SMART support is: Available - device has SMART capability. SMART support is: Enabled 从上面可以看出，硬盘型号为SanDisk SD6SB1M128G1022I，容量为128GB 二、磁盘阵列 RAID模式 如果该机有做磁盘阵列，那么运行上述命令会报错，得不到你要的磁盘信息。可以借助MegaCli命令 MegaCli命令系统不自带，需要额外下载， 下载地址： http://www.lsi.com/downloads/Public/RAID%20Controllers/RAID%20Controllers%20Common%20Files/8.07.14_MegaCLI.zip 下载之后解压， unzip CSA1.5-MegaCli_REL80571.zip cd MegaCLI/MegaCli_Linux rpm -ivh MegaCli-8.05.71-1.noarch.rpm 安装完成 ln -s /opt/MegaRAID/MegaCli/MegaCli64 /usr/bin/ 默认安装在/opt下面，建立软链到/usr/bin [root@localhost bin]# /opt/MegaRAID/MegaCli/MegaCli64 -PDlist -aALL Adapter #0 Enclosure Device ID: 32 Slot Number: 0 Drive's position: DiskGroup: 0, Span: 0, Arm: 0 Enclosure position: 1 Device Id: 0 WWN: 50000C0F02E57BE9 Sequence Number: 2 Media Error Count: 0 Other Error Count: 0 Predictive Failure Count: 0 Last Predictive Failure Event Seq Number: 0 PD Type: SAS Raw Size: 279.396 GB [0x22ecb25c Sectors] Non Coerced Size: 278.896 GB [0x22dcb25c Sectors] Coerced Size: 278.875 GB [0x22dc0000 Sectors] Sector Size: 0 Firmware state: Online, Spun Up Device Firmware Level: D1S6 Shield Counter: 0 Successful diagnostics completion on : N/A SAS Address(0): 0x50000c0f02e57bea SAS Address(1): 0x0 Connected Port Number: 0(path0) Inquiry Data: WD WD3001BKHG D1S6WX11E83NU249 FDE Capable: Not Capable FDE Enable: Disable Secured: Unsecured Locked: Unlocked Needs EKM Attention: No Foreign State: None Device Speed: 6.0Gb/s Link Speed: 6.0Gb/s Media Type: Hard Disk Device Drive Temperature :31C (87.80 F) PI Eligibility: No Drive is formatted for PI information: No PI: No PI Port-0 : Port status: Active Port's Linkspeed: 6.0Gb/s Port-1 : Port status: Active Port's Linkspeed: Unknown Drive has flagged a S.M.A.R.T alert : No Enclosure Device ID: 32 Slot Number: 1 Drive's position: DiskGroup: 0, Span: 0, Arm: 1 Enclosure position: 1 Device Id: 1 WWN: 50000C0F028F32ED Sequence Number: 2 Media Error Count: 0 Other Error Count: 0 Predictive Failure Count: 0 Last Predictive Failure Event Seq Number: 0 PD Type: SAS Raw Size: 279.396 GB [0x22ecb25c Sectors] Non Coerced Size: 278.896 GB [0x22dcb25c Sectors] Coerced Size: 278.875 GB [0x22dc0000 Sectors] Sector Size: 0 Firmware state: Online, Spun Up Device Firmware Level: D1S6 Shield Counter: 0 Successful diagnostics completion on : N/A SAS Address(0): 0x50000c0f028f32ee SAS Address(1): 0x0 Connected Port Number: 1(path0) Inquiry Data: WD WD3001BKHG D1S6WX11E83VD242 FDE Capable: Not Capable FDE Enable: Disable Secured: Unsecured Locked: Unlocked Needs EKM Attention: No Foreign State: None Device Speed: 6.0Gb/s Link Speed: 6.0Gb/s Media Type: Hard Disk Device Drive Temperature :31C (87.80 F) PI Eligibility: No Drive is formatted for PI information: No PI: No PI Port-0 : Port status: Active Port's Linkspeed: 6.0Gb/s Port-1 : Port status: Active Port's Linkspeed: Unknown Drive has flagged a S.M.A.R.T alert : No Enclosure Device ID: 32 Slot Number: 2 Drive's position: DiskGroup: 0, Span: 0, Arm: 2 Enclosure position: 1 Device Id: 2 WWN: 50000C0F02E5B8ED Sequence Number: 2 Media Error Count: 0 Other Error Count: 0 Predictive Failure Count: 0 Last Predictive Failure Event Seq Number: 0 PD Type: SAS Raw Size: 279.396 GB [0x22ecb25c Sectors] Non Coerced Size: 278.896 GB [0x22dcb25c Sectors] Coerced Size: 278.875 GB [0x22dc0000 Sectors] Sector Size: 0 Firmware state: Online, Spun Up Device Firmware Level: D1S6 Shield Counter: 0 Successful diagnostics completion on : N/A SAS Address(0): 0x50000c0f02e5b8ee SAS Address(1): 0x0 Connected Port Number: 2(path0) Inquiry Data: WD WD3001BKHG D1S6WX11E83NU081 FDE Capable: Not Capable FDE Enable: Disable Secured: Unsecured Locked: Unlocked Needs EKM Attention: No Foreign State: None Device Speed: 6.0Gb/s Link Speed: 6.0Gb/s Media Type: Hard Disk Device Drive Temperature :28C (82.40 F) PI Eligibility: No Drive is formatted for PI information: No PI: No PI Port-0 : Port status: Active Port's Linkspeed: 6.0Gb/s Port-1 : Port status: Active Port's Linkspeed: Unknown Drive has flagged a S.M.A.R.T alert : No Exit Code: 0x00 从上面可以看出，该机有三块硬盘，型号为， WD WD3001BKHG D1S6WX11E83NU249，容量为300GB。 MegaCli常用参数介绍 MegaCli -adpCount 【显示适配器个数】 MegaCli -AdpGetTime –aALL 【显示适配器时间】 MegaCli -AdpAllInfo -aAll 【显示所有适配器信息】 MegaCli -LDInfo -LALL -aAll 【显示所有逻辑磁盘组信息】 MegaCli -PDList -aAll 【显示所有的物理信息】 MegaCli -AdpBbuCmd -GetBbuStatus -aALL |grep ‘Charger Status’ 【查看充电状态】 MegaCli -AdpBbuCmd -GetBbuStatus -aALL【显示BBU状态信息】 MegaCli -AdpBbuCmd -GetBbuCapacityInfo -aALL【显示BBU容量信息】 MegaCli -AdpBbuCmd -GetBbuDesignInfo -aALL 【显示BBU设计参数】 MegaCli -AdpBbuCmd -GetBbuProperties -aALL 【显示当前BBU属性】 MegaCli -cfgdsply -aALL 【显示Raid卡型号，Raid设置，Disk相关信息】 磁带状态的变化，从拔盘，到插盘的过程中。 Device |Normal|Damage|Rebuild|Normal Virtual Drive |Optimal|Degraded|Degraded|Optimal Physical Drive |Online|Failed –> Unconfigured|Rebuild|Online
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