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[linux隞也 雿輻 gdiskparted(舀孱PT)隞支脩′蝣,fdisk 芣舀尋BR銝舀孱PT

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頝唾唳摰璅撅
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潸” 2016-1-2 20:13:26 | 芰閰脖 撣 |摨閬 |梯璅∪
砍敺 IT_man 2017-3-21 22:08 蝺刻摩
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' O, @+ d' k8 ^ : http://linux.vbird.org/linux_basic/0230filesystem.php#parted  http://blog.yam.com/wesley1981/article/16596463        賊隞 fstab, findfs, mount  blkid
: V1 O5 \6 n/ v0 e, \" i3 hfdisk 隢 :http://blogger.gtwang.org/2012/02/linux.html
. y% A" i  b* v4 Q: ^+ `0 w4 @format 憭扳 16TB 蝖祉(>16TB銝摰閬冽迨隞) : http://www.unix-ninja.com/p/Formatting_Ext4_volumes_beyond_the_16TB_limit/http://blog.yourdream.cc/2014/11/19/morethan16t.html8 e- j% u- q% P8 P5 U6 I
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啣蝖祉,璈芸mount(銝隞孑ount芣舀急,璈銝芸mount) :/etc/fstab 乩銝銵:
) B* n( O& o9 `/ c9 ]/dev/sdb1               /home2                  ext4    defaults        1 1- F: d) N$ k0 V6 G; V

  }  H8 O  k+ M5 V3 Cparted 閰喟敦隞:https://blog.gtwang.org/linux/pa ... -disk-partitions/2/, N2 W$ u% A# T/ W
   
- W- w3 g, d% Sfdisk 隞文芣舀 MBR 銝舀 GPT ,閬 GPT蝖祉雿輻 parted 游隞文脩′蝣,隞乩撠隞蝝 parted冽
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* Q/ E! e( B! i0 W6 x6 \parted 臭誑湔亙其銵隞文撠勗莎臭撣詨末函隞歹摰撣貊函隤瘜憒銝嚗+ M6 j- Z: p1 s& i
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parted [鋆蝵孫 [隞 [窟]
2 g8 n0 v, b% A賊賂
. g: v7 i3 _. ~/ [) e/ Y7 G隞文踝5 U/ q# n7 k& V/ A
          啣莎mkpart [primary|logical|extended] [ext4|vfat|xfs] 憪 蝯( y: {9 k" K( D$ t, V7 i) D
          憿舐內莎print* g3 H- t6 i# Y
          芷文莎rm [partition]( X( N: H0 {" T( g
靘憒:3 Q7 _: V: g# H
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寞銝:7 L+ v) \# _4 ?, S
(parted) mkpart primary 0 100% (primary皰artition name)& `& A; J" ^  B9 J1 ?; o
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寞鈭:
4 L( {% A, B- U8 S4 @- K/ wPartition name?  []? 30T_part  I& G- ?+ q* J. A9 s. N
File system type?  [ext2]? ext2  (ext4銝霅血)1 O9 P# }* [7 f2 N. T0 ]# j
Start? 0B or 0%6 P4 ?6 T  I3 j
End? 30TB or 100%
4 A: y: [: J5 Y2 o& p# bWarning: You requested a partition from 0.00B to 30.0TB.) d3 t( M5 Q* j" x( e
The closest location we can manage is 17.4kB to 30.0TB.
* x1 K6 R2 J  b% n) {Is this still acceptable to you?
0 T% ]9 A0 ~; }* e* nYes/No? Yes
; a. N3 l0 U" U( M7 o1 @9 Y' I# NWarning: The resulting partition is not properly aligned for best performance.
5 [/ u+ [9 ^0 P$ v5 E, I2 nIgnore/Cancel?
  n# D0 q2 E+ f+ S雿輻牠xt2撠曹銝餈啗郎
/ ]& g3 ~: ?, \/ h+ [mkfs -t ext4 /dev/sdb1 ===> format1 y+ q! a3 v$ x1 K& {+ O, S
ERROR:) ?5 Z. Y% R( Y& L  d
mkfs.ext4: Size of device /dev/sdb1 too big to be expressed in 32 bits
9 {7 Y4 n1 ]  ^3 H9 y0 n. x8 O! P0 F% ^        using a blocksize of 4096
$ z5 \  m0 a0 E0 S9 b2 Q0 V9 XSOL:
1 b) J& T) L5 U$ bformat > 16TB see https://www.unix-ninja.com/p/For ... yond_the_16TB_limit
! E9 P! q2 T! F/usr/local/src/wget -Oe2fsprogs-1.42.7.tar.gz http://downloads.sourceforge.net ... _mirror=superb-dca3+ E) p5 N! ?7 I
/usr/local/src/tar -zxvf e2fsprogs-1.42.7.tar.gz
: ~7 n3 M) @: Fcd /usr/local/src/e2fsprogs-1.42.71 I5 t5 k& P6 Z  h' z
mkdir build
" v, W2 O3 L1 ?) c0 b& T1 a$ \cd build0 P4 |9 |( F& f
../configure
3 N; `3 g% z7 e* @! _ make6 V. d2 _, I' J6 R4 c! ~# M- C
make install
! q$ d, ]6 R+ A4 Rmke2fs -O 64bit,has_journal,extents,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize -i 4194304 /dev/sdb1
) j  q0 e( }3 h, `- |. z憿舐內銝:( b: K: I  c" |; A) J7 C8 F9 |4 r
This filesystem will be automatically checked every 27 mounts or
/ H0 Q- C$ h( `# d) O- _180 days, whichever comes first.  Use tune2fs -c or -i to override.
* x+ Z0 m+ `9 U) W/etc/fstab銝剖乩 : (fstab隞蝝:http://horace1123.pixnet.net/blo ... b%E8%AA%AA%E6%98%8E)
' ]7 t- ~8 b. J0 B/dev/sdb1     /home2     ext4    defaults     1 0(蝚砌詨1:瘥亙隞,蝚砌詨0:蝟餌絞銝甇撣豢fsck銝瑼X)' {2 e  }# X" }0 K" G0 J
mount /home2- @. B$ \3 F9 X  i( |

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=======================================================================$ J4 [+ H" M! }) I9 W! I' D) w' Y

- ^: U, t/ K. S* m* d6 v' g; J[蝖祉皜祈岫]1.
" _; D( m4 U8 ]2 o2 H. O- l( qLinux蝖祉撖怠仿摨行葫閰衣隞:
$ W% i- N& y9 z* V#time dd if=/dev/zero of=/home2/test bs=2k count=1000000   //     /home2 痂ount raid0 33TB 蝖祉, 11*3TB銋SCSI蝖祉
" i) g$ P9 K( _+ y9 u, I9 R1000000+0 records in
! U) ?3 ?; j  \; I+ D( y1000000+0 records out
, @9 {% g7 I: d& Q# c) e  U7 h  W2048000000 bytes (2.0 GB) copied, 3.58735 s, 571 MB/s
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# I) l( }1 o2 zreal    0m3.590s
; @4 }* o* n# Guser    0m0.130s
$ E' h1 y1 ^/ S  N1 k2 gsys     0m3.455s+ x% U9 t1 G' I9 n
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. z# K# f. ?: yLinux蝖祉霈摨行葫閰衣隞:
; g3 \4 c+ r! v#time dd if=/home2/test of=/dev/null bs=2k
+ {  z" u: v- t/ N3 x" E1000000+0 records in' Z( b4 S: a/ ]8 L: t9 v8 G) e% i
1000000+0 records out
, {# l$ u: x, A, f+ E3 s6 w) Y2048000000 bytes (2.0 GB) copied, 0.952334 s, 2.2 GB/s
$ W+ a! H! t6 c) O: F, b
. k2 [) \! ?) F* _' mreal    0m0.954s
( d9 x0 d1 P4 euser    0m0.083s( F# A) S6 c& n9 [; i7 u# `
sys     0m0.868s
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5 {( b5 t4 o  P2 x5 [8 [4 ~# ~閫嚗
- K+ H" B; X% y  B2 s# h2 R; ptime 其閮
9 t& j5 n+ e7 f! z# b+ Odd 其銴鋆踝敺if OF
% V& n# L  j9 h6 Gif=/dev/zero銝YIO嚗隞亙臭誑其皜祈岫蝝蝎孵神摨;璅 of=/dev/null 銝YIO嚗臭誑其皜祈岫蝝蝎寡摨- i1 F, z* U$ I0 R$ l$ g
bs 舀甈⊥葫閰血桐憭批嚗count航撖怎嚗訾撠望航憭批.
1 i7 L: M2 M3 R& Q6 H  q. r鞈頞憭扯皞蝣綽憭皜祈岫靘撟喳潦  G6 {+ e6 D. b- ^
豢頞憭扯蝖殷憭甈⊥葫閰血撟喳3 a& o5 P# ]' W4 P: q. ?! O
望葫閰衣敺啁豢憿舐內摨衣貊嗅翰鈭/ [6 n& q% y; Q, o1 Z% D, S1 W: [
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皜祈岫摰閮敺芷 /home2/test
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虫蝔格寞:2 {! B4 ?# L& [/ p/ F9 d# v
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皜祈岫蝖祉霈摨:
; Z8 y& E. W% _4 D& m: hhdparm -t /dev/sdb
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/dev/sdb: (雿輻禿aid0摨血翰)
' {3 }0 B2 g$ }# L; I. ^2 v  Y Timing buffered disk reads: 1732 MB in  3.00 seconds = 576.98 MB/sec; m* ^. d2 O3 G

" {% }) S0 a# `5 E4 b3 f8 A4 M/ T/dev/sdb: (敺靘寞LVM摨行)
1 {5 `* v; |( e" O4 I/dev/sdb:
5 K5 i6 J6 h; a1 V! o. qTiming buffered disk reads: 546 MB in  3.01 seconds = 181.43 MB/sec- R+ J; d3 Q- ~4 ~( ^# [3 V
皜祈岫蝖祉撖怠仿摨:
4 }5 a; ~6 B8 [% d' S9 K hdparm -t --direct /dev/sdb! K; h. u- R3 W5 F7 z+ n
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/dev/sdb: (雿輻禿aid0摨血翰)3 |! r2 T4 G/ B6 {" O' ?. i- |
Timing O_DIRECT disk reads: 1326 MB in  3.29 seconds = 402.57 MB/sec
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/dev/sdb: (敺靘寞LVM摨行)
0 j, A3 ^% j6 M2 F9 R0 a+ i$ d Timing O_DIRECT disk reads: 560 MB in  3.00 seconds = 186.36 MB/sec
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4 G- E3 h2 a( H9 f$ S0 R8 n1 J血皜祈岫 /dev/sda  SSD蝖祉 摨血芣 raid0 scsi 蝖祉銝
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