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.5 S: F0 b; B5 f! C5 L
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:5 z$ O5 ]$ U' ^5 k6 Q: {6 a. E6 r
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#hdparm -I /dev/sd?|grep -E "Number|/dev"7 S( W/ _$ {# N, @
/dev/sda:; k0 W: `; @0 x/ b. g1 T. O, R
Model Number: HDS722516VLSA80
+ Y. S) R4 V" R( C% I Serial Number: VN6D3ECDD7RG1D( r7 ^( Z: r4 p& w
/dev/sdb:3 e( U9 |) H2 z7 K* O
Model Number: WDC WD740GD-00FLA1 ' t: @/ q! C- T; V& B' I
Serial Number: WD-WMAKE1690676
$ X/ j0 n+ Y' _: b/ Z& }( R/dev/sdc: f- f% y! C1 }6 k
Model Number: HDS722525VLSA80
' ?# R @+ q% E4 i" q M Serial Number: VN6J3ECFEALJRD
8 ] i' S2 a4 D$ G9 q) e9 J7 x/dev/sdd:
1 Z' s0 {+ M ~0 W Model Number: HDS722525VLSA80 . @) t1 g u' t0 l" d0 W! N
Serial Number: VN6J3ECFEBSR1D# }1 }( _& a: A4 u) N6 w- ?* g/ R
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8 \) @4 j$ q" g" k: x0 n! g註:
% p* O4 f) |, l+ s# s: y" p 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:- o: c. D: F9 |' }1 h
HDIO_DRIVE_CMD(identify) failed: Invalid argument
1 E* a4 R, Y1 |9 B1 n可以使用: 參考 http://70tw.spotlight.net.tw/?p=330
& v/ R% j/ l0 @/ q4 L; ksmartctl -i -d ata /dev/sda # ata 是 sata, 假如無 smartctl ===> yum install smartmontools9 W+ K0 K$ U6 T: i5 R L# c) k# b) |
smartctl -i -d scsi /dev/sdb # scsi 硬碟0 m" t, Z3 T- Z$ h
[root@server ~]# smartctl -i -d scsi /dev/sdb
7 v. Y$ G! ~2 z8 M, N5 psmartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.el6.x86_64] (local build)
$ }8 R9 w3 ~2 ?1 ~- e$ a0 mCopyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
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Vendor: AMCC) @- B8 E% z8 r9 R: u3 B
Product: 9650SE-12M DISK
$ f0 l" t z- I6 h# m0 pRevision: 4.10) Q( z C/ A9 J# @$ Y
User Capacity: 2,999,988,518,912 bytes [2.99 TB]
( o4 \0 C* p& H; S& |' L9 E$ JLogical block size: 512 bytes1 r+ l* T" V' E4 y7 _
Logical Unit id: 0x600050e09e18e100d23a0000d6b30000
) G& |. b6 o8 g& _" MSerial number: 56L4B0GS9E18E100D23A
. a% k) p8 l( Y1 J1 V) J: W, iDevice type: disk" \4 k7 v/ e: }( u7 j: r% E
Local Time is: Mon Jan 25 09:05:11 2016 CST
* C; g7 e4 E3 x4 }/ d) zDevice supports SMART and is Disabled
2 U$ ~2 H- f" x5 f0 S, y- `0 ETemperature Warning Disabled or Not Supported
- N' W0 a- e, X& o' h) Q0 P4 s* N3 j[測試硬碟健康狀態]
5 j6 a0 ?* f# [2 _2 y) m7 ?smartctl -H -d scsi /dev/sdb也可參考 http://www.av4u.info/forum.php?m ... ypeid%26typeid%3D43
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