請(qǐng)先確定服務(wù)器是否有配 RAID。 如果有RAID，請(qǐng)通過(guò)對(duì)應(yīng)的RAID管理（監(jiān)控）工具查看，例如LSI的MegaCli： # /opt/MegaCli -PDList -aALL
?????????????????????????????????????
Adapter #0 Enclosure Device ID: 8
Slot Number: 0
Device Id: 0
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: Online
SAS Address(0): 0x5000c5000506c469
SAS Address(1): 0x0
Connected Port Number: 0?
Inquiry Data: SEAGATE ST3146855SS???? S5133LN1FB9Q Enclosure Device ID: 8
Slot Number: 1
Device Id: 1
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: Online
SAS Address(0): 0x5000c50005071371
SAS Address(1): 0x0
Connected Port Number: 1?
Inquiry Data: SEAGATE ST3146855SS???? S5133LN1F4N6 Enclosure Device ID: 8
Slot Number: 2
Device Id: 2
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: Online
SAS Address(0): 0x5000c5000506b351
SAS Address(1): 0x0
Connected Port Number: 2?
Inquiry Data: SEAGATE ST3146855SS???? S5133LN1FC40 Enclosure Device ID: 8
Slot Number: 3
Device Id: 3
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: Online
SAS Address(0): 0x5000c5000506cc01
SAS Address(1): 0x0
Connected Port Number: 3?
Inquiry Data: SEAGATE ST3146855SS???? S5133LN1FBKX 可以看出，一共有4塊物理硬盤，型號(hào)均為SEAGATE ST3146855SS（希捷）。 如果沒有RAID，通過(guò)hdparm命令查看即可，步驟如下： 1、通過(guò)fdisk -l列出物理硬盤的設(shè)備名稱 # fdisk -l Disk /dev/hda: 160.0 GB, 160040803840 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/hda1?? *?????????? 1????????? 25????? 200781?? 83? Linux
/dev/hda2????????????? 26??????? 1069???? 8385930?? 83? Linux
/dev/hda3??????????? 1070??????? 2113???? 8385930?? 83? Linux
/dev/hda4??????????? 2114?????? 19457?? 139315680??? 5? Extended
/dev/hda5??????????? 2114??????? 3157???? 8385898+? 83? Linux
/dev/hda6??????????? 3158??????? 3418???? 2096451?? 82? Linux swap
/dev/hda7??????????? 3419?????? 19457?? 128833236?? 83? Linux Disk /dev/hdd: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/hdd1?????????????? 1?????? 19457?? 156288321?? 83? Linux 可以看出，共兩塊硬盤：/dev/hda、/dev/hdd。 2、通過(guò)hdparm命令查看指定硬盤的型號(hào) # hdparm -i /dev/hda /dev/hda: Model=WDC WD1600BB-22GUC0, FwRev=08.02D08, SerialNo=WD-WMAL94830149
?Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
?RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=74
?BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
?CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
?IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
?PIO modes:? pio0 pio1 pio2 pio3 pio4?
?DMA modes:? mdma0 mdma1 mdma2?
?UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5?
?AdvancedPM=no WriteCache=enabled
?Drive conforms to: device does not report version: * signifies the current active mode
# hdparm -i /dev/hdd /dev/hdd: Model=WDC WD1600BB-00DWA0, FwRev=15.05R15, SerialNo=WD-WMAEK1512278
?Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }
?RawCHS=16383/16/63, TrkSize=57600, SectSize=600, ECCbytes=74
?BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
?CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
?IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
?PIO modes:? pio0 pio1 pio2 pio3 pio4?
?DMA modes:? mdma0 mdma1 mdma2?
?UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5?
?AdvancedPM=no WriteCache=enabled
?Drive conforms to: device does not report version: * signifies the current active mode 可以看出，/dev/hda的型號(hào)為WDC WD1600BB-22GUC0（西數(shù)），/dev/hdd的型號(hào)為WDC WD1600BB-00DWA0（西數(shù)）。 順便說(shuō)一下，如果服務(wù)器有配RAID，用hdparm查看硬盤信息時(shí)就會(huì)報(bào)錯(cuò)： # hdparm -i /dev/sda /dev/sda:
?HDIO_GET_IDENTITY failed: Invalid argument

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