megaraid硬RAID卡命令管理手册.doc

二、下载、安装MegCli下载地址：wget /2014/12/ibm_utl_sraidmr_megacli-8.00.48_linux_32-64.zip#unzipibm_utl_sraidmr_megacli-8.00.48_linux_32-64.zip#cdlinux#rpm-ivhLib_Utils-1.00-09.noarch.rpmMegaCli-8.00.48-1.i386.rpm#rpm -ivh MegaCli-8.00.48-1.i386.rpm#故障硬盘修复（添加新硬盘或阵列）#-PDMakeGood是改变状态由Unconfigured bad变成Unconfigured good#-PhysDrv252:2 是硬盘信息内第一个数字是Enclosure Device ID，第二个数字是Slot Number#-a0 是Adapter #01. /opt/MegaRAID/MegaCli/MegaCli64 -PDMakeGood -PhysDrv252:2 -a0#硬盘变为Unconfigured good之后加入阵列2. /opt/MegaRAID/MegaCli/MegaCli64 -LDRecon -Start -r5 -Add -PhysDrv252:2 -L0 -a03. 等待重建，大约需要2小时Reconstruction : Completed 0%, Taken 1 min.使用/opt/MegaRAID/MegaCli/MegaCli64命令会在当前目录生成日志文件可以加上 -NoLog参数取消日志三使用命令及参数命令使用：#/opt/MegaRAID/MegaCli/MegaCli64 -LDInfo -Lall -aALL 查raid级别#/opt/MegaRAID/MegaCli/MegaCli64 -AdpAllInfo -aALL 查raid卡信息#/opt/MegaRAID/MegaCli/MegaCli64 -PDList -aALL 查看硬盘信息#/opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -aAll 查看电池信息#/opt/MegaRAID/MegaCli/MegaCli64 -FwTermLog -Dsply -aALL 查看raid卡日志#/opt/MegaRAID/MegaCli/MegaCli64 -adpCount 【显示适配器个数】#/opt/MegaRAID/MegaCli/MegaCli64 -AdpGetTime aALL 【显示适配器时间】#/opt/MegaRAID/MegaCli/MegaCli64 -AdpAllInfo -aAll 【显示所有适配器信息】#/opt/MegaRAID/MegaCli/MegaCli64 -LDInfo -LALL -aAll 【显示所有逻辑磁盘组信息】#/opt/MegaRAID/MegaCli/MegaCli64 -PDList -aAll 【显示所有的物理信息】#/opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -GetBbuStatus -aALL |grep Charger Status 【查看充电状态】#/opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -GetBbuStatus -aALL【显示BBU状态信息】#/opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -GetBbuCapacityInfo -aALL【显示BBU容量信息】#/opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -GetBbuDesignInfo -aALL 【显示BBU设计参数】#/opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -GetBbuProperties -aALL 【显示当前BBU属性】#/opt/MegaRAID/MegaCli/MegaCli64 -cfgdsply -aALL 【显示Raid卡型号，Raid设置，Disk相关信息】3.磁带状态的变化，从拔盘，到插盘的过程中。Device |Normal|Damage|Rebuild|NormalVirtual Drive |Optimal|Degraded|Degraded|OptimalPhysical Drive |Online|Failed Unconfigured|Rebuild|Online4.查看磁盘缓存策略#/opt/MegaRAID/MegaCli/MegaCli64 -LDGetProp -Cache -L0 -a0or#/opt/MegaRAID/MegaCli/MegaCli64 -LDGetProp -Cache -L1 -a0or#/opt/MegaRAID/MegaCli/MegaCli64 -LDGetProp -Cache -LALL -a0ro#/opt/MegaRAID/MegaCli/MegaCli64 -LDGetProp -Cache -LALL -aALLro#/opt/MegaRAID/MegaCli/MegaCli64 -LDGetProp -DskCache -LALL -aALL5.设置磁盘缓存策略缓存策略解释：WT (Write throughWB (Write back)NORA (No read ahead)RA (Read ahead)ADRA (Adaptive read ahead)CachedDirect例子：#/opt/MegaRAID/MegaCli/MegaCli64 -LDSetProp WT|WB|NORA|RA|ADRA -L0 -a0or#/opt/MegaRAID/MegaCli/MegaCli64 -LDSetProp -Cached|-Direct -L0 -a0orenable / disable disk cache#/opt/MegaRAID/MegaCli/MegaCli64 -LDSetProp -EnDskCache|-DisDskCache -L0 -a06.创建一个 raid5 阵列，由物理盘 2,3,4 构成，该阵列的热备盘是物理盘 5#/opt/MegaRAID/MegaCli/MegaCli64 -CfgLdAdd -r5 1:2,1:3,1:4 WB Direct -Hsp1:5 -a07.创建阵列，不指定热备#/opt/MegaRAID/MegaCli/MegaCli64 -CfgLdAdd -r5 1:2,1:3,1:4 WB Direct -a08.删除阵列#/opt/MegaRAID/MegaCli/MegaCli64 -CfgLdDel -L1 -a09.在线添加磁盘#/opt/MegaRAID/MegaCli/MegaCli64 -LDRecon -Start -r5 -Add -PhysDrv1:4 -L1 -a010.阵列创建完后，会有一个初始化同步块的过程，可以看看其进度。#/opt/MegaRAID/MegaCli/MegaCli64 -LDInit -ShowProg -LALL -aALL或者以动态可视化文字界面显示#/opt/MegaRAID/MegaCli/MegaCli64 -LDInit -ProgDsply -LALL -aALL11.查看阵列后台初始化进度#/opt/MegaRAID/MegaCli/MegaCli64 -LDBI -ShowProg -LALL -aALL或者以动态可视化文字界面显示#/opt/MegaRAID/MegaCli/MegaCli64 -LDBI -ProgDsply -LALL -aALL12.指定第 5 块盘作为全局热备#/opt/MegaRAID/MegaCli/MegaCli64 -PDHSP -Set -EnclAffinity -nonRevertible -PhysDrv1:5 -a013.指定为某个阵列的专用热备#/opt/MegaRAID/MegaCli/MegaCli64 -PDHSP -Set -Dedicated -Array1 -EnclAffinity -nonRevertible -PhysDrv1:5 -a014.删除全局热备#/opt/MegaRAID/MegaCli/MegaCli64 -PDHSP -Rmv -PhysDrv1:5 -a015.将某块物理盘下线/上线#/opt/MegaRAID/MegaCli/MegaCli64 -PDOffline -PhysDrv 1:4 -a0#/opt/MegaRAID/MegaCli/MegaCli64 -PDOnline -PhysDrv 1:4 -a016.查看物理磁盘重建进度#/opt/MegaRAID/MegaCli/MegaCli64 -PDRbld -ShowProg -PhysDrv 1:5 -a0或者以动态可视化文字界面显示#/opt/MegaRAID/MegaCli/MegaCli64 -PDRbld -ProgDsply -PhysDrv 1:5 -a0磁带状态的变化，从拔盘，到插盘的过程中：Device |Normal|Damage|Rebuild|NormalVirtual Drive |Optimal|Degraded|Degraded|OptimalPhysical Drive |Online|Failed Unconfigured|Rebuild|Online1、查看RAID级别2、查看RAID卡信息，主要输出RAID卡的一些配置信息RAID Level : Primary-1, Secondary-0, RAID Level Qualifier-0Size : 1.086 TBState : OptimalStrip Size : 128 KBNumber Of Drives per span:4 /表示每4个物理盘做成一个RAID1盘组Span Depth : 2 /表示共2个RAID1盘组做成了RAID103、查看所有硬盘的信息/opt/MegaCli64-pdlistaALL4、查看当前raid缓存状态，raid缓存状态设置为wb的话要注意电池放电事宜，设置电池放电模式为自动学习模式/opt/MegaRAID/MegaCli/MegaCli64 -ldgetprop -dskcache -lall -aall5、raid电池设置相关查看电池状态信息(DisplayBBUStatusInformation)MegaCli-AdpBbuCmd-GetBbuStatus-aN|-a0,1,2|-aALLMegaCli-AdpBbuCmd-GetBbuStatus-aALL查看电池容量（DisplayBBUCapacityInformation）MegaCli-AdpBbuCmd-GetBbuCapacityInfo-aN|-a0,1,2|-aALLMegaCli-AdpBbuCmd-GetBbuCapacityInfoaALL查看电池设计参数(DisplayBBUDesignParameters)MegaCli-AdpBbuCmd-GetBbuDesignInfo-aN|-a0,1,2|-aALLMegaCli-AdpBbuCmd-GetBbuDesignInfoaALL查看电池属性（DisplayCurrentBBUProperties）MegaCli-AdpBbuCmd-GetBbuProperties-aN|-a0,1,2|-aALLMegaCli-AdpBbuCmd-GetBbuPropertiesaALL设置电池为学习模式为循环模式（StartBBULearningCycle）DescriptionStartsthelearningcycleontheBBU.Noparameterisneededforthisoption.MegaCli-AdpBbuCmd-BbuLearn-aN|-a0,1,2|-aALL设置磁盘的缓存模式和访问方式（ChangeVirtualDiskCacheandAccessParameters）DescriptionAllowsyoutochangethefollowingvirtualdiskparameters:-WT(Writethrough),WB(Writeback):Selectswritepolicy.-NORA(Noreadahead),RA(Readahead),ADRA(Adaptivereadahead):Selectsreadpolicy.-Cached,-Direct:Selectscachepolicy.-RW,-RO,Blocked:Selectsaccesspolicy.-EnDskCache:Enablesdiskcache.-DisDskCache:Disablesdiskcache.MegaCli-LDSetPropWT|WB|NORA|RA|ADRA|-Cached|Direct|-RW|RO|Blocked|-Namestring|-EnDskCache|DisDskCacheLx|-L0,1,2|-Lall-aN|-a0,1,2|-aALLMegaCli-LDSetPropWT-L0-a0显示磁盘缓存和访问方式（DisplayVirtualDiskCacheandAccessParameters）MegaCli-LDGetProp-Cache|-Access|-Name|-DskCache-Lx|-L0,1,2|-Lall-aN|-a0,1,2|-aALLDisplaysthecacheandaccesspoliciesofthevirtualdisk(s):-WT(Writethrough),WB(Writeback):Selectswritepolicy.-NORA(Noreadahead),RA(Readahead),ADRA(Adaptivereadahead):Selectsreadpolicy.-Cache,-Cached,Direct:Displayscachepolicy.-Access,-RW,-RO,Blocked:Displaysaccesspolicy.-DskCache:Displaysphysicaldiskcachepolicy.Megaraid 必知必会 使用LSI的megaraid可以对raid进行有效监控。别的厂商比如HP,IBM也有自己的raid APIMegaCli -ldinfo -lall -aall查询raid级别，磁盘数量，容量，条带大小。MegaCli -cfgdsply -aALL |grep Policy查询控制器cache策略MegaCli -LDSetProp WB -L0 -a0设置write back功能MegaCli -LDSetProp CachedBadBBU -L0 -a0设置即使电池坏了还是保持WB功能MegaCli -AdpBbuCmd -BbuLearn a0手动充电MegaCli -FwTermLog -Dsply -aALL查询日志显示适配器个数： MegaCli -adpCount显示所有适配器信息： MegaCli -AdpAllInfo -aAllCritical Disks : 0Failed Disks : 0显示所有逻辑磁盘组信息： MegaCli -LDInfo -LALL -aAll显示所有的物理信息： MegaCli -PDList -aAllMedia Error Count: 0Other Error Count: 0查看充电状态： MegaCli -AdpBbuCmd -GetBbuStatus -aALLLearn Cycle Requested : NoFully Charged : Yes显示BBU(后备电池)状态信息： MegaCli -AdpBbuCmd -GetBbuStatus -aALL显示BBU容量信息： MegaCli -AdpBbuCmd -GetBbuCapacityInfo -aALL显示BBU设计参数： MegaCli -AdpBbuCmd -GetBbuDesignInfo -aALL显示当前BBU属性： MegaCli -AdpBbuCmd -GetBbuProperties -aALL显示Raid卡型号，Raid设置，Disk相关信息： MegaCli -cfgdsply -aALL查看Cache 策略设置： MegaCli -cfgdsply -aALL |grep -i PolicyCurrent Cache Policy: WriteBack, ReadAheadNone, Direct, Write Cache OK if Bad BBU查看充电进度百分比： MegaCli -AdpBbuCmd -GetBbuStatus -aALL各种设备和磁盘的不同状态：Device |Normal|Damage|Rebuild|NormalVirtual Drive |Optimal|Degraded|Degraded|OptimalPhysical Drive |Online|Failed Unconfigured|Rebuild|Online6、通过脚本检测RAID磁盘状态#!/bin/bash#check raid disk statusMEGACLI=/opt/MegaRAID/MegaCli/MegaCli64 $MEGACLI -pdlist -aALL | grep Firmware state | awk -F : print $2 | awk -F , print $1 /tmp/fireware.log$MEGACLI -pdlist -aALL | grep -E Media Error|Other Error | awk -F