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.
4 x% e8 U! e& P) V/ v( F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:3 z% m' y4 j1 h' }3 r* m4 p
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#hdparm -I /dev/sd?|grep -E "Number|/dev"5 F" b, f, s: R& W; K) \7 O
/dev/sda:
, q8 G2 |- n' w% C9 w# ?/ f Model Number: HDS722516VLSA80 : X% P3 R( i" h1 ^: M' {* E2 V0 o
Serial Number: VN6D3ECDD7RG1D' \' R4 t0 @$ A2 v1 [
/dev/sdb:
8 ]9 O7 ]7 W5 f Model Number: WDC WD740GD-00FLA1
+ c& S1 s; y, S" [$ P k Serial Number: WD-WMAKE1690676
7 u) K. m0 u4 Q5 C3 J/dev/sdc:* M7 w4 ?# N5 O7 y& Q: L
Model Number: HDS722525VLSA80 4 s- A2 X7 N1 {; \
Serial Number: VN6J3ECFEALJRD# A; [& n+ g: ? R" ?/ o0 I( |5 t) F
/dev/sdd:
4 e' W- d# z% m/ }: e2 H3 v Model Number: HDS722525VLSA80 . L% Q. C) q( @8 J& I5 G- t+ j# R
Serial Number: VN6J3ECFEBSR1D
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+ m: q) r/ H( ?7 {2 L註:
' `8 D8 f' S* ` 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:
, L. f" k; B' v6 B# R, Z4 |2 [ HDIO_DRIVE_CMD(identify) failed: Invalid argument
k) t- }4 f' |; `8 t可以使用: 參考 http://70tw.spotlight.net.tw/?p=330
$ q1 r8 M3 ^% a# Z9 ]7 z! _smartctl -i -d ata /dev/sda # ata 是 sata, 假如無 smartctl ===> yum install smartmontools
$ O& m! r3 \6 z, `3 i# e# asmartctl -i -d scsi /dev/sdb # scsi 硬碟% x' c' p, g: O" s& F U
[root@server ~]# smartctl -i -d scsi /dev/sdb) t6 c) l! s* }, @/ ^, r* W
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.el6.x86_64] (local build)& ]6 u: I. D/ Q" o% g! ~; ]2 t
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net% y# Z7 \* ^) `3 w7 t
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Vendor: AMCC* q/ n& S s/ o* r+ b, L# T
Product: 9650SE-12M DISK
1 x* B4 `* ^/ k3 fRevision: 4.10! j% E( B' Y& j3 x# D% g
User Capacity: 2,999,988,518,912 bytes [2.99 TB]) t' ^3 j7 p) B3 t. H
Logical block size: 512 bytes
x, S3 ?. g% }. O' CLogical Unit id: 0x600050e09e18e100d23a0000d6b30000
7 ?( Y* T+ P0 V4 J$ C- C+ ^4 xSerial number: 56L4B0GS9E18E100D23A
% B5 P8 D6 U; s. `+ ADevice type: disk4 i. ]; p( T) w/ l$ \7 i: h
Local Time is: Mon Jan 25 09:05:11 2016 CST* J6 n1 g" o/ [/ v a% r& g( l3 A
Device supports SMART and is Disabled
3 ] H; e& N! B& ?/ } ~Temperature Warning Disabled or Not Supported$ W. ] A( f4 H- a5 ?% U& {" `
[測試硬碟健康狀態]
% q/ x( p( w! N; c0 }9 `3 fsmartctl -H -d scsi /dev/sdb也可參考 http://www.av4u.info/forum.php?m ... ypeid%26typeid%3D43" S5 I; l6 | i7 x* M% e$ B
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