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.
; w. o! A* z# _- m. z/ v' q$ 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:
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#hdparm -I /dev/sd?|grep -E "Number|/dev"
% y' D9 f# l" N/dev/sda:
6 |) t2 @9 w2 V: p1 h' M ?, R Model Number: HDS722516VLSA80
4 b' R. R: q% a( }' R/ U$ N Serial Number: VN6D3ECDD7RG1D8 ^* L$ u+ t/ ~2 D
/dev/sdb:9 P+ m2 C5 t" Y) o
Model Number: WDC WD740GD-00FLA1
+ z+ _0 X2 X* @! h% Z Serial Number: WD-WMAKE1690676+ |& m; U+ O3 o J/ |
/dev/sdc:3 }8 d9 U, M, ^. s
Model Number: HDS722525VLSA80 . B& R+ B+ [. Y5 s
Serial Number: VN6J3ECFEALJRD$ E; F, J7 D5 W$ J; D- r6 e
/dev/sdd:- T% L" \/ H2 q3 I) Z: _$ v
Model Number: HDS722525VLSA80
- V% Z# S) X: W9 @ Serial Number: VN6J3ECFEBSR1D) F4 ]' d, S- ?2 c0 `& Q$ W
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5 T" q B8 Q3 l) G4 s* L註:
$ H) L2 C1 W: u5 j" U0 z% C 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:) a8 Q* m" c; O+ ]% i+ F) t. m7 v
HDIO_DRIVE_CMD(identify) failed: Invalid argument7 A* z0 v+ O6 c5 V$ o" T
可以使用: 參考 http://70tw.spotlight.net.tw/?p=3304 G& O; f |, r) V* R) n
smartctl -i -d ata /dev/sda # ata 是 sata, 假如無 smartctl ===> yum install smartmontools: \' H6 G; _ N H$ K h; q" t* h
smartctl -i -d scsi /dev/sdb # scsi 硬碟% `+ z) B6 X0 w0 [' p
[root@server ~]# smartctl -i -d scsi /dev/sdb
5 \% u# d- I% P+ Y. j* jsmartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.el6.x86_64] (local build)7 W) \; h! q% e8 d, _9 }9 b2 R
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net i) a* u0 j6 m7 [+ J
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Vendor: AMCC1 }0 f# D$ @* ]& |! D, o% p2 h
Product: 9650SE-12M DISK: U) A6 s1 W7 E( r+ x4 m
Revision: 4.10* ?9 \" D# B* P4 E4 A* m
User Capacity: 2,999,988,518,912 bytes [2.99 TB]
+ Y4 L4 m8 b. [) gLogical block size: 512 bytes
+ h1 G% n- R/ \$ x XLogical Unit id: 0x600050e09e18e100d23a0000d6b30000
) t+ U6 r* g2 K9 RSerial number: 56L4B0GS9E18E100D23A% C! o, _: k, i! ~/ E
Device type: disk% Z6 c2 l$ Q" j
Local Time is: Mon Jan 25 09:05:11 2016 CST
7 a( R) e: \0 F' I9 x3 ?- R PDevice supports SMART and is Disabled8 m3 F3 w) b* ~( c2 u
Temperature Warning Disabled or Not Supported
' B/ I; R+ b( u[測試硬碟健康狀態]" C7 T( j5 _0 t; P4 l$ c! \ v
smartctl -H -d scsi /dev/sdb也可參考 http://www.av4u.info/forum.php?m ... ypeid%26typeid%3D43: l# \- f* g" y# Q
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