砍敺 IT_man 2017-3-21 22:08 蝺刻摩
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- [4 b% i- n% D8 H : http://linux.vbird.org/linux_basic/0230filesystem.php#parted http://blog.yam.com/wesley1981/article/16596463 賊隞 fstab, findfs, mount blkid, i: g' l p# g D3 s
fdisk 隢 :http://blogger.gtwang.org/2012/02/linux.html
' q/ z) k# b0 s# ^) T/ S6 b3 Oformat 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.html
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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:
0 P2 e5 L3 \9 p ^" d: L8 K/dev/sdb1 /home2 ext4 defaults 1 1: y& {; s, |- d& S8 N
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parted 閰喟敦隞:https://blog.gtwang.org/linux/pa ... -disk-partitions/2/
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; Q( C, r6 d0 d' _7 Q% }5 `fdisk 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0 m( V" C' i+ Z
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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
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3 I7 ~1 U0 H+ D n4 q J9 z% jparted [鋆蝵孫 [隞 [窟]+ H9 b. c; }8 \3 O- \
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啣莎mkpart [primary|logical|extended] [ext4|vfat|xfs] 憪 蝯
+ g3 t1 V) z/ Z/ U 憿舐內莎print3 J+ v) G7 D t2 }+ X, v& p
芷文莎rm [partition]
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(parted) mkpart primary 0 100% (primary皰artition name). Y2 H7 o. B$ `
$ _. [. [* T5 D8 P$ J寞鈭:
) M, J3 G/ c5 K9 k! `" |$ \7 cPartition name? []? 30T_part/ T- |- S- y' @
File system type? [ext2]? ext2 (ext4銝霅血)6 B U4 r$ B" k4 E
Start? 0B or 0%/ m+ K3 d& `. |4 Z5 {8 f
End? 30TB or 100%
* A" P2 U8 C" j2 c# dWarning: You requested a partition from 0.00B to 30.0TB.8 R7 @, b: _6 D, x4 X2 G
The closest location we can manage is 17.4kB to 30.0TB.
9 ~- ^# y) i; O1 {5 }Is this still acceptable to you?! F9 q4 x2 b' K2 ]
Yes/No? Yes& ^5 u( x7 I4 r( G5 Y5 N
Warning: The resulting partition is not properly aligned for best performance.
w0 T2 c4 e; V, W7 _4 bIgnore/Cancel?
; m+ K0 N' n5 m# C雿輻牠xt2撠曹銝餈啗郎
8 p8 v+ {0 [; z7 w* bmkfs -t ext4 /dev/sdb1 ===> format. ]% I4 q }/ ^5 i8 c' S$ y9 V z
ERROR:: F: _ g* e% j/ B3 m h' A- P
mkfs.ext4: Size of device /dev/sdb1 too big to be expressed in 32 bits
, g$ N0 a7 E% S* g6 C0 I: N' j using a blocksize of 4096. B5 z/ f! T' [
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format > 16TB see https://www.unix-ninja.com/p/For ... yond_the_16TB_limit
$ z9 ?' o* g4 }6 v8 H/usr/local/src/wget -Oe2fsprogs-1.42.7.tar.gz http://downloads.sourceforge.net ... _mirror=superb-dca3
P* s, E6 i# h5 v8 ~/usr/local/src/tar -zxvf e2fsprogs-1.42.7.tar.gz* Y% g% h9 M# X; k
cd /usr/local/src/e2fsprogs-1.42.7/ y8 ^) S9 e0 U9 g( f
mkdir build
2 d+ ?/ X5 ~& t2 T9 U% c7 tcd build* g' x. [+ S$ \# N- H
../configure" ~+ T. R/ v1 ^- \! u
make" g3 N0 w2 i2 i H
make install
+ D" g! @1 t) b: ?/ b% Nmke2fs -O 64bit,has_journal,extents,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize -i 4194304 /dev/sdb1
+ s8 z2 Z3 t/ S憿舐內銝: G2 I6 I( g- S- ~2 a t
This filesystem will be automatically checked every 27 mounts or
. w9 i' r6 ?! b9 e* n; Q, w" ?180 days, whichever comes first. Use tune2fs -c or -i to override.
: m$ A' O& @# ?6 R/etc/fstab銝剖乩 : (fstab隞蝝:http://horace1123.pixnet.net/blo ... b%E8%AA%AA%E6%98%8E)
; @* u; O# ?& O. \+ `+ ]/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) P0 w$ |! }- x) ]4 W0 c. q( ~* o
mount /home2& K: W4 ~* \1 _$ }
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, Z+ q# ]; {6 ~: Q/ [=======================================================================$ o3 d$ a' B3 M+ d+ [
" J. k; C9 N' q2 M1 M[蝖祉皜祈岫]1.
4 g' I T2 } v) I. A& MLinux蝖祉撖怠仿摨行葫閰衣隞:
. M3 [; c/ t7 O# o" ^ K' {#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
/ p+ u6 s* m7 T; v! ^1000000+0 records in
* B# Z& W! F$ \3 z* g1000000+0 records out
7 M" i/ q9 ?, Q% m2048000000 bytes (2.0 GB) copied, 3.58735 s, 571 MB/s
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real 0m3.590s: D2 R8 {; ]% j, A) j
user 0m0.130s
5 J. p y* y4 D. G; q, O. b$ Wsys 0m3.455s
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+ S+ O1 @# |7 T1 n5 e+ F1 {* QLinux蝖祉霈摨行葫閰衣隞:
1 c) E0 A2 W. f#time dd if=/home2/test of=/dev/null bs=2k
k! x" B9 j/ h5 B7 H" W1000000+0 records in x' h% l$ c- _# |7 O ?
1000000+0 records out* y% X8 h' X0 n" X
2048000000 bytes (2.0 GB) copied, 0.952334 s, 2.2 GB/s
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. W0 d" ]" j; F* |* Ereal 0m0.954s
% {9 n& h9 U* n2 m$ I( F9 puser 0m0.083s1 R, w/ D+ T e0 b
sys 0m0.868s* m6 f4 R; C; I! _
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time 其閮7 `6 E" R. n" s& X. l7 Q8 J; r: z
dd 其銴鋆踝敺if OF9 S8 F2 ^( E% ?- F
if=/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6 g( k2 Q; A8 U
bs 舀甈⊥葫閰血桐憭批嚗count航撖怎嚗訾撠望航憭批.
8 f- T1 a' X0 V% R% Z鞈頞憭扯皞蝣綽憭皜祈岫靘撟喳潦% w2 W( u( ^! q5 u
豢頞憭扯蝖殷憭甈⊥葫閰血撟喳. o1 W) m" l5 J. }4 P
望葫閰衣敺啁豢憿舐內摨衣貊嗅翰鈭
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; }7 W+ c" }, T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:9 ]1 V+ j9 G# I/ }6 T) W
hdparm -t /dev/sdb
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9 \0 p! E/ S! m6 a/dev/sdb: (雿輻禿aid0摨血翰)
1 ~- c5 Z5 Q3 J2 R Timing buffered disk reads: 1732 MB in 3.00 seconds = 576.98 MB/sec
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/dev/sdb: (敺靘寞LVM摨行)5 P8 I6 y4 }/ ~0 y7 T
/dev/sdb:5 e ]! p5 F0 d" `9 G' R+ k
Timing buffered disk reads: 546 MB in 3.01 seconds = 181.43 MB/sec
$ I! U4 @* h3 j' L* W; S5 Q皜祈岫蝖祉撖怠仿摨:
! X3 C8 @$ i5 q9 v hdparm -t --direct /dev/sdb- W# B, ]0 d/ p
* G p/ R: y3 ^6 d" E: @/dev/sdb: (雿輻禿aid0摨血翰)3 ~+ ?6 d5 H! C5 _2 u5 w" }
Timing O_DIRECT disk reads: 1326 MB in 3.29 seconds = 402.57 MB/sec) q2 }; O0 ~5 v; t0 A2 C2 R
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/dev/sdb: (敺靘寞LVM摨行)" W A+ L! E; A; z9 F
Timing O_DIRECT disk reads: 560 MB in 3.00 seconds = 186.36 MB/sec
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血皜祈岫 /dev/sda SSD蝖祉 摨血芣 raid0 scsi 蝖祉銝
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潸” 2016-1-2 20:13:26
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