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.7 Q. m7 S3 K% r7 J5 \( p
本篇重點是在說明"如何找出哪一顆出問題",那就是找出硬碟的型號及序號: H2 s4 n+ ^2 S$ X7 F
; t! N. Q+ }8 @7 d9 I9 e! O: \) Z9 Z6 J#hdparm -I /dev/sd?|grep -E "Number|/dev"0 K" n1 ~6 `: T4 x; @, C
/dev/sda:
7 X. n4 F2 F9 v* D) d7 n Model Number: HDS722516VLSA80 0 K- Z: y6 v/ x. d8 V
Serial Number: VN6D3ECDD7RG1D3 z+ c5 x; o# W. i% a0 j8 s' h
/dev/sdb:
0 ~5 a: p+ |4 D6 | Model Number: WDC WD740GD-00FLA1 $ ]3 @ V6 a+ z' d2 a
Serial Number: WD-WMAKE1690676
1 V+ O/ R1 S( \0 c; I- \/dev/sdc:: z: R8 R$ V6 D/ ~: [) f# T# i
Model Number: HDS722525VLSA80
. F; Y7 A4 O- f/ A Serial Number: VN6J3ECFEALJRD
+ }8 o, R% p6 B# i; h/dev/sdd:. E- {. k8 ?9 h7 ~, d
Model Number: HDS722525VLSA80
( ?5 p% v$ j- b' w; p1 S/ A3 q! o Serial Number: VN6J3ECFEBSR1D$ x' }7 K3 f4 j
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註:9 e) J! K* \) i1 k
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:
! `* S1 r" y% k+ L6 Z3 l( U HDIO_DRIVE_CMD(identify) failed: Invalid argument N. ?! r2 r+ U5 K& \
可以使用: 參考 http://70tw.spotlight.net.tw/?p=330' d7 Q- s+ Y0 I0 H
smartctl -i -d ata /dev/sda # ata 是 sata, 假如無 smartctl ===> yum install smartmontools
' \- A7 O5 ?" n. f& Gsmartctl -i -d scsi /dev/sdb # scsi 硬碟( ?5 _( u, x" ?0 v- z- U
[root@server ~]# smartctl -i -d scsi /dev/sdb# z5 E" O- g/ F4 N
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.el6.x86_64] (local build)) I* Y0 X9 V% h! y
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net* ~6 ]! i4 h1 _! s
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Vendor: AMCC
0 V a# x- C6 i8 y6 ?6 E: `Product: 9650SE-12M DISK
- d( B. Q- P, D, N5 fRevision: 4.10$ T/ U. {: r# S. v- N% q
User Capacity: 2,999,988,518,912 bytes [2.99 TB]
6 d' S$ a( n0 ~0 b) z. j. ULogical block size: 512 bytes
7 U& V: ]5 g$ A- I* ~" t, TLogical Unit id: 0x600050e09e18e100d23a0000d6b30000% E! B0 p4 l4 A5 Z/ i0 ?
Serial number: 56L4B0GS9E18E100D23A
( k% ]* l! R1 T! FDevice type: disk
. k- x& Q; K4 m4 B7 |Local Time is: Mon Jan 25 09:05:11 2016 CST
R* Q8 ?* Y, V3 r% ?5 ?Device supports SMART and is Disabled. h1 P. S! ?; W: e% d1 Z$ D
Temperature Warning Disabled or Not Supported! R4 Q: l7 D V$ s+ w2 c; P2 ?4 U4 v
[測試硬碟健康狀態]
: p% ~, `8 _2 J8 S0 psmartctl -H -d scsi /dev/sdb也可參考 http://www.av4u.info/forum.php?m ... ypeid%26typeid%3D43
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