tid=26553&當linux系統裝有多顆硬碟且使用raid0組合成一顆磁碟,不幸其中一顆毀損時,整個磁碟就找不到了,且資料全部遺失,如果是重要資料的話,那就真的GG了./ p5 e. n$ v7 ?" k
本篇重點是在說明"如何找出哪一顆出問題",那就是找出硬碟的型號及序號:
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& E- S5 o0 K1 K" D. L% a6 c( W#hdparm -I /dev/sd?|grep -E "Number|/dev"
$ |# i7 G% t0 p& E. u9 x K/dev/sda:% `$ l" N+ v' c- C: o2 K
Model Number: HDS722516VLSA80 0 Y7 W& |4 Y% f6 G& [2 ^" @
Serial Number: VN6D3ECDD7RG1D7 X; g8 {: Q/ ~! g: A' r
/dev/sdb:
0 T1 K: ?# Q4 t3 _2 ? Model Number: WDC WD740GD-00FLA1 ; a' M2 h9 o: E9 k; o
Serial Number: WD-WMAKE1690676& z4 I, d2 s7 u# F3 N' }. _
/dev/sdc:2 I0 Q! Q" E# V' n- \$ z$ C
Model Number: HDS722525VLSA80
- L1 c* i6 S1 ]5 u+ V% a/ ? Serial Number: VN6J3ECFEALJRD! u6 f; ]: A( z! d+ d4 z
/dev/sdd:
2 I' i; ]/ ^& n( v4 j% N! s Model Number: HDS722525VLSA80 ) ]9 q8 V$ w) Y- ?
Serial Number: VN6J3ECFEBSR1D* J+ q4 N0 I0 I+ Z h. s
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註:
5 c3 M, a6 G5 [& L6 g) x4 h. T hdparm並不一定可以適用所有硬碟,有些廠牌可能不支援此指令,可能會出現如下錯誤:
+ m" z: C- `/ C1 a1 Y HDIO_DRIVE_CMD(identify) failed: Invalid argument5 u/ E2 {; S0 Z
可以使用: 參考 http://70tw.spotlight.net.tw/?p=330
% A5 z/ c, c9 Z* H3 Asmartctl -i -d ata /dev/sda # ata 是 sata, 假如無 smartctl ===> yum install smartmontools) \8 m/ q6 Y% N" W! v( X5 |9 d( o7 S
smartctl -i -d scsi /dev/sdb # scsi 硬碟9 W! n& ]) l' J4 z9 a) E, b7 H
[root@server ~]# smartctl -i -d scsi /dev/sdb- C, Q9 ?) Y7 p4 ]
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.el6.x86_64] (local build)$ j" g6 f, _9 U3 ]( W8 d3 Z
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
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5 q& h6 T: T& o% m5 T
4 b* ^0 Q: p' Z0 s$ K" IVendor: AMCC
3 n7 }( { Y: `Product: 9650SE-12M DISK5 S5 J/ ]4 f, C4 y
Revision: 4.10
' g" w% T& S% H9 N: DUser Capacity: 2,999,988,518,912 bytes [2.99 TB]: O& V7 q. `8 Y/ w8 T9 v
Logical block size: 512 bytes1 l B; t$ J/ W$ h) F
Logical Unit id: 0x600050e09e18e100d23a0000d6b30000! @+ q4 r2 o$ U2 @
Serial number: 56L4B0GS9E18E100D23A# \& S0 d4 f: O
Device type: disk0 W- K8 ]4 |: U0 F P
Local Time is: Mon Jan 25 09:05:11 2016 CST& Y# q5 e9 W# d9 p/ d. R2 b" R- e
Device supports SMART and is Disabled9 L+ s1 |2 ]' _; C W1 a- y
Temperature Warning Disabled or Not Supported
7 {7 D9 z# w* i0 x. ~[測試硬碟健康狀態]
" B ], \6 P8 R! G8 lsmartctl -H -d scsi /dev/sdb也可參考 http://www.av4u.info/forum.php?m ... ypeid%26typeid%3D435 P* n7 Q. i) g& t' o: w
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