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.3 `$ u: ^) k7 \# E
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: ?7 ]6 m: ?& q# H! ?5 M& L
' X; ]% _0 B& a& `" r' A#hdparm -I /dev/sd?|grep -E "Number|/dev"
8 z5 q# `7 P1 C9 m0 f) ]- V- n/dev/sda:
+ d( V2 C& o# V2 y! H Model Number: HDS722516VLSA80 ( }6 d/ r3 R' J4 D9 M! w( {, Q
Serial Number: VN6D3ECDD7RG1D0 D* c" X8 D8 O |
/dev/sdb:
- `+ H1 r" O B5 Y Model Number: WDC WD740GD-00FLA1 1 o% f2 e# D5 [% Y
Serial Number: WD-WMAKE1690676
u% D! K$ y: P$ U( N/dev/sdc:. N" J5 Z7 L2 z5 H6 x$ m
Model Number: HDS722525VLSA80 6 \& }9 M3 ^2 R& r
Serial Number: VN6J3ECFEALJRD
s; z, s+ w; A; E' I( y; ~8 R p/dev/sdd: V4 S* M8 F- c) N0 O
Model Number: HDS722525VLSA80 + ]; l. }! {* \
Serial Number: VN6J3ECFEBSR1D
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註:
" g9 s+ d- Y; k9 X- w 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: |4 T% `* @5 c7 K0 d
HDIO_DRIVE_CMD(identify) failed: Invalid argument
" g3 w8 E4 Q; k8 R可以使用: 參考 http://70tw.spotlight.net.tw/?p=330- }7 e5 e h, K7 N' F
smartctl -i -d ata /dev/sda # ata 是 sata, 假如無 smartctl ===> yum install smartmontools. f5 t' ^8 e/ @6 o8 ^. d4 z. D
smartctl -i -d scsi /dev/sdb # scsi 硬碟6 A7 ~1 }! O. l9 e+ Q
[root@server ~]# smartctl -i -d scsi /dev/sdb
% W9 U i$ C1 x8 U8 Bsmartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.el6.x86_64] (local build)0 X' x# U9 X( n% m
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
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; {% X2 \- `1 h8 Q4 D. t5 U* x5 wVendor: AMCC# [% @9 }! i* n0 t! w
Product: 9650SE-12M DISK
8 [: I4 K" O- r: x5 s6 DRevision: 4.107 \3 {0 |; P6 S+ [2 A" f9 u% I
User Capacity: 2,999,988,518,912 bytes [2.99 TB]
5 Y' X0 ?2 D9 W9 eLogical block size: 512 bytes* l/ ~6 `8 s; }, S9 Y- q, k
Logical Unit id: 0x600050e09e18e100d23a0000d6b30000% J/ O- n) x* Q4 a
Serial number: 56L4B0GS9E18E100D23A, `9 o! T+ h- u3 T5 y
Device type: disk+ F( m3 T4 x3 |% a$ Z
Local Time is: Mon Jan 25 09:05:11 2016 CST8 Y" U6 W& a5 c
Device supports SMART and is Disabled
- M: z( j6 ]. _ [$ L: z8 DTemperature Warning Disabled or Not Supported
% p' O q" d0 x* K; Y- n* `* G- _8 V[測試硬碟健康狀態]
( L/ C8 l i: a, zsmartctl -H -d scsi /dev/sdb也可參考 http://www.av4u.info/forum.php?m ... ypeid%26typeid%3D43
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