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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
璅銝
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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: http://linux.vbird.org/linux_basic/0230filesystem.php#parted  http://blog.yam.com/wesley1981/article/16596463        賊隞 fstab, findfs, mount  blkid
9 A" s' G% P4 F) S. P0 Yfdisk 隢 :http://blogger.gtwang.org/2012/02/linux.html1 b, r7 j9 C) t* f; L& R- J: g
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.html6 |7 m' m& s# a3 M& c9 i, `

' [- m1 t& o0 H- P3 M) J3 B0 N0 H啣蝖祉,璈芸mount(銝隞孑ount芣舀急,璈銝芸mount) :/etc/fstab 乩銝銵:1 W4 s2 N" w( U
/dev/sdb1               /home2                  ext4    defaults        1 14 f( N# F& e, d: F& V
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parted 閰喟敦隞:https://blog.gtwang.org/linux/pa ... -disk-partitions/2/+ L* _7 M, {  ]) k% }
   
. E8 m( T. w( d/ d- Z  ?% Q6 kfdisk 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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# b% J, s& }- J  P5 l' E. n& k; hparted 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  P0 F6 U" R% a6 L1 {
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parted [鋆蝵孫 [隞 [窟]
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隞文踝. D% B# L* d4 B( \
          啣莎mkpart [primary|logical|extended] [ext4|vfat|xfs] 憪 蝯  `( W2 G! X( j$ Y+ d1 S! q. I
          憿舐內莎print: C  [' x9 a* K7 `* E
          芷文莎rm [partition]
# s+ }3 H# m! ?( j8 D% F. T+ V! f! n靘憒:/ x/ Q+ |7 B3 o" }7 c
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寞銝:- q) p. D5 J& J& Q, _$ b0 Q  t
(parted) mkpart primary 0 100% (primary皰artition name)4 D* |, G2 J8 f: a- u$ P' m

- ?1 _/ g& O  O; C- |寞鈭:; k1 v1 d2 u% b* y. O6 y( T4 o
Partition name?  []? 30T_part- c. \( F/ G4 p) s
File system type?  [ext2]? ext2  (ext4銝霅血)
0 z, d% T; F9 x% X7 o7 j7 R  G7 FStart? 0B or 0%7 ^2 e! x. F# V$ o+ t0 V
End? 30TB or 100%* S1 _9 i" {0 e' q$ K" n
Warning: You requested a partition from 0.00B to 30.0TB.$ R0 ]9 E& v2 I/ Y; ~9 {& n
The closest location we can manage is 17.4kB to 30.0TB.- M2 K: I  }2 N" z" b$ n' X
Is this still acceptable to you?
$ N+ b/ G1 H, b* M. S1 K! ]. a# MYes/No? Yes/ _- H& b3 j6 ~3 Y" F4 J
Warning: The resulting partition is not properly aligned for best performance.
' [3 M. a5 Q& q7 ^% r( XIgnore/Cancel?9 ]+ ?- k; B5 ^, c" N  `( H
雿輻牠xt2撠曹銝餈啗郎+ G) Q5 c5 H/ z" i+ Z* e/ u& l
mkfs -t ext4 /dev/sdb1 ===> format1 m, p6 i  O7 t$ z4 S7 t: o
ERROR:
- K4 v3 o% ~% emkfs.ext4: Size of device /dev/sdb1 too big to be expressed in 32 bits
" Z1 J8 I6 R5 ]        using a blocksize of 4096* ?1 `  T7 p* E7 m3 q
SOL: $ w4 O, ~2 S- M+ P& l) ?
format > 16TB see https://www.unix-ninja.com/p/For ... yond_the_16TB_limit
: o: i& O" C1 ]5 G. c- g. M/usr/local/src/wget -Oe2fsprogs-1.42.7.tar.gz http://downloads.sourceforge.net ... _mirror=superb-dca3& Y3 A" a/ I, L: x8 `* y
/usr/local/src/tar -zxvf e2fsprogs-1.42.7.tar.gz9 |( v% v: J1 ^5 ^
cd /usr/local/src/e2fsprogs-1.42.7
3 c; f. t9 Y- G% Dmkdir build
9 j6 q/ y: Y+ I* E' x3 Gcd build( T. ~6 n4 [; i) F7 `
../configure* ~/ t6 [1 j$ z. F: _, t
make
! ~3 \6 w* u: d' ?3 ^+ l make install
3 s: }. e- L5 S: |( ?; Vmke2fs -O 64bit,has_journal,extents,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize -i 4194304 /dev/sdb1# r9 w* t7 Q. ?" f* d: |, P9 n
憿舐內銝:
/ b: {6 n8 \$ i" FThis filesystem will be automatically checked every 27 mounts or
1 W! ]; r& t* {& v. M) y0 o; V180 days, whichever comes first.  Use tune2fs -c or -i to override.
) m! M" p6 F" p/ i5 [. f# ?/etc/fstab銝剖乩 : (fstab隞蝝:http://horace1123.pixnet.net/blo ... b%E8%AA%AA%E6%98%8E)
7 f( p$ N9 l- B9 U  ]/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)+ s$ _' t# Q; l" Y
mount /home2
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=======================================================================0 p5 J& r: M5 ?4 a; i2 Q) \8 D
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[蝖祉皜祈岫]1." W8 c! \, Z" g' ]) ^
Linux蝖祉撖怠仿摨行葫閰衣隞:
0 h8 W  F; I7 L5 d- V5 @  y% U#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
* k7 }* {) P3 W+ t! Z' P5 a1000000+0 records in
! ?6 H" c9 i7 l8 p( j! l1000000+0 records out
8 `  ]- o2 T3 Z6 S5 `0 g4 @( m2048000000 bytes (2.0 GB) copied, 3.58735 s, 571 MB/s
# F9 }! b& _/ [: {# j2 O0 O4 W! [9 R, H& j4 G, m
real    0m3.590s& ^0 m/ u- y" o1 l( `1 E+ d
user    0m0.130s
5 k* k1 d3 L3 {. Ysys     0m3.455s- q/ A+ \- D0 J/ G* B
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Linux蝖祉霈摨行葫閰衣隞:
6 Y: n- i- V1 M4 ^  r0 P, Q9 [#time dd if=/home2/test of=/dev/null bs=2k
7 c$ X- }2 g. ^' x, N0 c1000000+0 records in
2 M" G8 w# I: h7 L) O5 j. G% j1000000+0 records out4 H; W& h1 K5 m* O7 ~9 V0 e* {
2048000000 bytes (2.0 GB) copied, 0.952334 s, 2.2 GB/s6 @, O) A; e1 V$ X

1 A; f+ N# m/ u; O: |real    0m0.954s+ m' J# s$ e  A9 Q9 W( ~4 t" p
user    0m0.083s6 V; F5 Y  F" V7 D6 R: w
sys     0m0.868s
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閫嚗: U0 w/ d6 y0 M0 q$ [" F
time 其閮
3 z, `, x* ~4 [# rdd 其銴鋆踝敺if OF
+ ~  Z9 A, v3 |# V8 i) {, E0 Oif=/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& F! E5 ~$ s& b+ t8 O, m) l
bs 舀甈⊥葫閰血桐憭批嚗count航撖怎嚗訾撠望航憭批.
7 E' C# ]# F* E1 U4 ?5 @: |: o- F鞈頞憭扯皞蝣綽憭皜祈岫靘撟喳潦
; O6 B- p7 G5 O: ^. v% [; o豢頞憭扯蝖殷憭甈⊥葫閰血撟喳
6 Q, G3 X5 [( j6 q% l. }望葫閰衣敺啁豢憿舐內摨衣貊嗅翰鈭! j' ]6 H1 }! F& p
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皜祈岫摰閮敺芷 /home2/test
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虫蝔格寞:
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皜祈岫蝖祉霈摨:$ _; V' Q) z! l8 C: I# O
hdparm -t /dev/sdb  g0 w$ S' q7 n& @* _( M
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/dev/sdb: (雿輻禿aid0摨血翰). H1 |% _- ^# ?; \
Timing buffered disk reads: 1732 MB in  3.00 seconds = 576.98 MB/sec
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) Z: j9 D) X6 w6 \" u8 J/dev/sdb: (敺靘寞LVM摨行)
4 m2 V. V3 L5 X; J: X/ F/dev/sdb:+ |: ^2 B, b2 @" K( x" Q
Timing buffered disk reads: 546 MB in  3.01 seconds = 181.43 MB/sec
1 r$ k$ h* b/ B( j4 Z( B皜祈岫蝖祉撖怠仿摨:. e/ N( i, _+ d. L# ^
hdparm -t --direct /dev/sdb
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/dev/sdb: (雿輻禿aid0摨血翰)! i8 r7 G! r5 m: o
Timing O_DIRECT disk reads: 1326 MB in  3.29 seconds = 402.57 MB/sec* R3 D: y3 T8 t. G  E& }

0 a3 S/ _- E7 j3 s/dev/sdb: (敺靘寞LVM摨行)0 y. J  a  V/ r) z* L: D7 O
Timing O_DIRECT disk reads: 560 MB in  3.00 seconds = 186.36 MB/sec$ c. e4 ?7 L8 V% H9 \0 f! J0 l
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血皜祈岫 /dev/sda  SSD蝖祉 摨血芣 raid0 scsi 蝖祉銝$ P+ e) R, F) P( K" Z% N0 X
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  D. f% h' `" p( F. o2 f

雿輻券

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