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.
' m8 x/ _2 u+ r2 X3 \& t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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, V W# X& n; C; T2 ^( ^#hdparm -I /dev/sd?|grep -E "Number|/dev"
7 ?* v; m5 } }7 s3 J/dev/sda:6 d9 Q3 E6 K f
Model Number: HDS722516VLSA80 : d0 _/ y) N3 T8 x) v8 Q6 {% ~
Serial Number: VN6D3ECDD7RG1D' [3 [3 ~4 n7 j; Y% V1 b( c9 \
/dev/sdb:: S+ d3 e1 ~6 p$ G
Model Number: WDC WD740GD-00FLA1
% l/ W( z- Y" I5 l+ Q( x Serial Number: WD-WMAKE1690676
) M8 ?6 V4 g G8 ]- h. y$ v/dev/sdc:
: w3 Y/ `% Z$ \ Model Number: HDS722525VLSA80
6 E* s9 K& G/ _6 Y Serial Number: VN6J3ECFEALJRD
4 h. A8 U2 |' Q7 I4 a; p) ^% I9 P/dev/sdd:
. @% G" ]$ `; h3 o Model Number: HDS722525VLSA80
. I- x! j, l3 k5 C8 h8 @1 E1 f9 G Serial Number: VN6J3ECFEBSR1D; h" m+ |3 h& h8 Z6 W
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註:* J; \/ w8 z; V" o- w# 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:
. l) x7 F3 K9 [3 f! A- S HDIO_DRIVE_CMD(identify) failed: Invalid argument
& ^' l2 U8 b8 ~5 W+ c# w/ ]9 k可以使用: 參考 http://70tw.spotlight.net.tw/?p=3301 I. D3 b3 W' P* o- P% S
smartctl -i -d ata /dev/sda # ata 是 sata, 假如無 smartctl ===> yum install smartmontools n" q' a# ]4 E* s" Z3 y; J0 b- e
smartctl -i -d scsi /dev/sdb # scsi 硬碟
. e/ \9 n* h# z7 d0 Y7 L0 G[root@server ~]# smartctl -i -d scsi /dev/sdb
4 b; A. r4 u csmartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.el6.x86_64] (local build)
+ k: s) U, m3 c! E) GCopyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net1 @3 t1 B- B& N9 l0 `# M; [) x7 y% v
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Y, _4 p) m% k2 bVendor: AMCC
( B0 P! |9 H5 b0 B v$ m" Q+ t. K- ^- KProduct: 9650SE-12M DISK' D4 V' q) i: C, J1 T$ p& N& @
Revision: 4.10
3 a: R6 N" A* F: FUser Capacity: 2,999,988,518,912 bytes [2.99 TB], D! C; B2 I+ V8 x% T3 Y$ K, {) M
Logical block size: 512 bytes: m3 Y$ O6 @2 c7 z; B6 F7 N
Logical Unit id: 0x600050e09e18e100d23a0000d6b30000' M1 O, Q1 M1 d& L
Serial number: 56L4B0GS9E18E100D23A% m! z8 c: p. B" s3 v h1 A# m6 L
Device type: disk8 d4 Q/ @$ T r! R3 e5 F7 g
Local Time is: Mon Jan 25 09:05:11 2016 CST
# u. L& S% O. @7 [9 p$ E1 K7 VDevice supports SMART and is Disabled
6 {: \8 s/ f7 c+ p; S4 DTemperature Warning Disabled or Not Supported- h4 N: G/ y6 w, c( z
[測試硬碟健康狀態]& a# d+ I: e$ p7 [8 ~- h
smartctl -H -d scsi /dev/sdb也可參考 http://www.av4u.info/forum.php?m ... ypeid%26typeid%3D43
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