準備:
新版本的 MegaCli-1.01.24-0.i386.rpm (下載地址:http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/8.02.16_MegaCLI.zip )該包會把程序安裝在/opt下,當然也可以自定義安裝目錄,例如:rpm --relocate /opt/=/usr/sbin/ -i MegaCli-1.01.24-0.i386.rpm (即把安裝目錄 /opt 替換成 /usr/sbin)。
(linux文件夾下有個MegaCli文件裏面有I386 RPM)
相關命令及其解析:
查看機器型號 # dmidecode | grep "Product"
查看廠商 # dmidecode| grep "Manufacturer"
查看序列號 # dmidecode | grep "Serial Number"
查看CPU信息 # dmidecode | grep "CPU"
查看CPU個數 # dmidecode | grep "Socket Designation: CPU" |wc –l
查看出廠日期 # dmidecode | grep "Date"
查看充電狀態 # MegaCli -AdpBbuCmd -GetBbuStatus -aALL |grep "Charger Status"
顯示BBU狀態信息 # MegaCli -AdpBbuCmd -GetBbuStatus –aALL
顯示BBU容量信息 # MegaCli -AdpBbuCmd -GetBbuCapacityInfo –aALL
顯示BBU設計參數 # MegaCli -AdpBbuCmd -GetBbuDesignInfo –aALL
顯示當前BBU屬性 # MegaCli -AdpBbuCmd -GetBbuProperties –aALL
查看充電進度百分比 # MegaCli -AdpBbuCmd -GetBbuStatus -aALL |grep "Relative State of Charge"
查詢Raid陣列數 # MegaCli -cfgdsply -aALL |grep "Number of DISK GROUPS:"
顯示Raid卡型號,Raid設置,Disk相關信息 # MegaCli -cfgdsply –aALL
顯示所有物理信息 # MegaCli -PDList -aALL
顯示所有邏輯磁盤組信息 # MegaCli -LDInfo -LALL –aAll
查看物理磁盤重建進度(重要) # MegaCli -PDRbld -ShowProg -PhysDrv [1:5] -a0
查看適配器個數 #MegaCli –adpCount
查看適配器時間 #MegaCli -AdpGetTime –aALL
顯示所有適配器信息 #MegaCli -AdpAllInfo –aAll
查看Cache 策略設置 # MegaCli -cfgdsply -aALL |grep Polic
硬盤方面:
1、查看所有物理磁盤信息
MegaCli -PDList -aALL
Adapter #0
Enclosure Number: 1
Slot Number: 5
Device Id: 5
Sequence Number: 2
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
Raw Size: 140014MB [0x11177328 Sectors]
Non Coerced Size: 139502MB [0x11077328 Sectors]
Coerced Size: 139392MB [0x11040000 Sectors]
Firmware state: Hotspare
SAS Address(0): 0x5000c50008e5cca9
SAS Address(1): 0x0
Inquiry Data: SEAGATE ST3146855SS S5273LN4Y1X0
.....
2、查看磁盤緩存策略
MegaCli -LDGetProp -Cache -L0 -a0
Adapter 0-VD 0: Cache Policy:WriteBack, ReadAheadNone, Direct
or
MegaCli -LDGetProp -Cache -L1 -a0
Adapter 0-VD 1: Cache Policy:WriteBack, ReadAheadNone, Direct
or
MegaCli -LDGetProp -Cache -LALL -a0
Adapter 0-VD 0: Cache Policy:WriteBack, ReadAheadNone, Direct
Adapter 0-VD 1: Cache Policy:WriteBack, ReadAheadNone, Direct
or
MegaCli -LDGetProp -Cache -LALL -aALL
Adapter 0-VD 0: Cache Policy:WriteBack, ReadAheadNone, Direct
Adapter 0-VD 1: Cache Policy:WriteBack, ReadAheadNone, Direct
or
MegaCli -LDGetProp -DskCache -LALL -aALL
Adapter 0-VD 0: Disk Write Cache : Disk's Default
Adapter 0-VD 1: Disk Write Cache : Disk's Default
3、設置磁盤緩存策略
緩存策略解釋:
WT (Write through
WB (Write back)
NORA (No read ahead)
RA (Read ahead)
ADRA (Adaptive read ahead)
Cached
Direct
例子:
MegaCli -LDSetProp WT|WB|NORA|RA|ADRA -L0 -a0
or
MegaCli -LDSetProp -Cached|-Direct -L0 -a0
or
enable / disable disk cache
MegaCli -LDSetProp -EnDskCache|-DisDskCache -L0 -a0
4、創建/刪除 陣列
4.1 創建一個 raid5 陣列,由物理盤 2,3,4 構成,該陣列的熱備盤是物理盤 5
MegaCli -CfgLdAdd -r5 [1:2,1:3,1:4] WB Direct -Hsp[1:5] –a0
4.2 創建陣列,不指定熱備
MegaCli -CfgLdAdd -r5 [1:2,1:3,1:4] WB Direct –a0
4.3 刪除陣列
MegaCli -CfgLdDel -L1 –a0
4.4 在線添加磁盤
MegaCli -LDRecon -Start -r5 -Add -PhysDrv[1:4] -L1 -a0
意思是,重建邏輯磁盤組1,raid級別是5,添加物理磁盤號:1:4。重建完後,新添加的物理磁盤會自動處於重建(同步)狀態,這個 時候 fdisk -l是看不到陣列的空間變大的,只有在系統重啓後才能看見。
5、查看陣列初始化信息
5.1 陣列創建完後,會有一個初始化同步塊的過程,可以看看其進度。
MegaCli -LDInit -ShowProg -LALL -aALL
或者以動態可視化文字界面顯示
MegaCli -LDInit -ProgDsply -LALL –aALL
5.2 查看陣列後臺初始化進度
MegaCli -LDBI -ShowProg -LALL -aALL
或者以動態可視化文字界面顯示
MegaCli -LDBI -ProgDsply -LALL -aALL
6、創建全局熱備
指定第 5 塊盤作爲全局熱備
MegaCli -PDHSP -Set [-EnclAffinity] [-nonRevertible] -PhysDrv[1:5] -a0
也可以指定爲某個陣列的專用熱備
MegaCli -PDHSP -Set [-Dedicated [-Array1]] [-EnclAffinity] [-nonRevertible] -PhysDrv[1:5] -a0
7、刪除全局熱備
MegaCli -PDHSP -Rmv -PhysDrv[1:5] -a0
8、將某塊物理盤下線/上線
MegaCli -PDOffline -PhysDrv [1:4] -a0
MegaCli -PDOnline -PhysDrv [1:4] -a0
9、查看物理磁盤重建進度
MegaCli -PDRbld -ShowProg -PhysDrv [1:5] -a0
http://zh.community.dell.com/techcenter/b/weblog/archive/2013/03/07/megacli-command-share
http://blog.csdn.net/signmem/article/details/42424695
http://linux.dell.com/repo/hardware/latest/