砍敺 IT_man 2017-3-21 22:08 蝺刻摩 & a& X, a' g! `; ?/ C" K' X6 ?
% ]- i5 o k& W/ G : http://linux.vbird.org/linux_basic/0230filesystem.php#parted http://blog.yam.com/wesley1981/article/16596463 賊隞 fstab, findfs, mount blkid
0 a( [) u& T1 I6 w, {fdisk 隢 :http://blogger.gtwang.org/2012/02/linux.html
6 i) n6 o g2 |( ^7 B- s: m/ qformat 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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, O# D$ o: X y6 n啣蝖祉,璈芸mount(銝隞孑ount芣舀急,璈銝芸mount) :/etc/fstab 乩銝銵:/ x8 {! B0 p3 Y& e3 F4 C3 F9 K
/dev/sdb1 /home2 ext4 defaults 1 1
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parted 閰喟敦隞:https://blog.gtwang.org/linux/pa ... -disk-partitions/2/
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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
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, Q! g$ W1 S1 U; y5 m% H) kparted 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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$ m4 G# K }/ v' Z7 J( P- C5 i+ oparted [鋆蝵孫 [隞 [窟]! c6 U9 U3 Y' i; _# e
賊賂
+ Z5 z( R/ o0 g隞文踝
6 Q+ ?' m h: ^ 啣莎mkpart [primary|logical|extended] [ext4|vfat|xfs] 憪 蝯 m3 \0 p" f5 g1 Z/ J0 p
憿舐內莎print
1 E+ t% \5 A& E4 y2 S 芷文莎rm [partition]" H0 z. D4 K4 L, B5 G' V; B. V
靘憒:
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寞銝:
! j! D1 C! @* H$ ~) b: S(parted) mkpart primary 0 100% (primary皰artition name)' D: w( y- a2 W2 o( X
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Partition name? []? 30T_part
+ L+ x% S2 g ~: eFile system type? [ext2]? ext2 (ext4銝霅血)( f; m6 m( ]2 X* n5 L
Start? 0B or 0%
( f' _' M! c! i ZEnd? 30TB or 100%$ m' i, B; G' S7 `( D
Warning: You requested a partition from 0.00B to 30.0TB.
( @+ V1 Z: i! v, LThe closest location we can manage is 17.4kB to 30.0TB.
) w. H5 v! p m! JIs this still acceptable to you?9 }5 U: m! }5 M8 @5 c
Yes/No? Yes
9 B f! I5 d5 j6 X5 ]7 t% p' J) aWarning: The resulting partition is not properly aligned for best performance.
5 E) {( g, d7 N- k9 g9 j% h# KIgnore/Cancel?7 r% k* Z, C$ O/ S1 M
雿輻牠xt2撠曹銝餈啗郎
: _/ y, U: j( @! D( h& D6 tmkfs -t ext4 /dev/sdb1 ===> format
2 g7 w9 r! i8 g. _6 ?ERROR:1 S' c. @3 X; T( s
mkfs.ext4: Size of device /dev/sdb1 too big to be expressed in 32 bits- e- {/ ` ?2 F
using a blocksize of 4096
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format > 16TB see https://www.unix-ninja.com/p/For ... yond_the_16TB_limit
) p$ ]( e1 n, C. @/ p' ^/ L& P0 d/usr/local/src/wget -Oe2fsprogs-1.42.7.tar.gz http://downloads.sourceforge.net ... _mirror=superb-dca30 A0 [* l' k' U }
/usr/local/src/tar -zxvf e2fsprogs-1.42.7.tar.gz
3 Q( z: {. v; Qcd /usr/local/src/e2fsprogs-1.42.7" [6 E; F* s1 V8 k1 v. j
mkdir build
5 G" b! s/ i0 J" E4 q1 xcd build
9 r4 V2 D8 R5 z% B+ E' ^ ../configure M# X* f4 M: a) e2 i
make
2 G; q& Z- {) u2 E7 p/ B make install
5 x, `7 Q1 D- e5 E" q4 Emke2fs -O 64bit,has_journal,extents,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize -i 4194304 /dev/sdb1
' X7 g( f1 v; `5 j5 a/ W7 w憿舐內銝:/ q2 O1 S5 z( B3 K$ I7 r
This filesystem will be automatically checked every 27 mounts or
3 j9 O2 S. V' ]. j- y5 e180 days, whichever comes first. Use tune2fs -c or -i to override.& _ {3 z2 s7 f# J, @
/etc/fstab銝剖乩 : (fstab隞蝝:http://horace1123.pixnet.net/blo ... b%E8%AA%AA%E6%98%8E): S9 }' u/ S+ @: K6 L: s4 o) N
/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)
0 Y9 B" j6 }+ p$ L& c6 s# Nmount /home2
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0 x( K9 j& ]# @: D- E4 O=======================================================================
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+ A6 U5 \3 E' l8 D8 a9 }: @[蝖祉皜祈岫]1.
0 R- H+ n# b% Z+ o1 e1 q uLinux蝖祉撖怠仿摨行葫閰衣隞:
: A% u; e0 i# k/ \; Q9 P#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
/ H4 k7 u- Y: i' N! T1000000+0 records in
( ^' W! c) C' Y& j g4 X/ R1000000+0 records out
8 f! o% \: e: x/ v- e2048000000 bytes (2.0 GB) copied, 3.58735 s, 571 MB/s! K+ F5 O( k# i7 P
4 G7 d! \5 L0 K( o* breal 0m3.590s
U" T$ n1 I3 h0 E$ a. g' U/ j$ kuser 0m0.130s
7 m L, y, U1 A$ G- F" xsys 0m3.455s
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Linux蝖祉霈摨行葫閰衣隞:
% F. k* k( `, l% M' s' j#time dd if=/home2/test of=/dev/null bs=2k) J5 a7 Q8 O% W1 B9 {
1000000+0 records in
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. Q+ x8 t! ~& e7 z* p2048000000 bytes (2.0 GB) copied, 0.952334 s, 2.2 GB/s P$ c# [7 n4 j) |. Q
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real 0m0.954s# `8 K2 |3 _! h/ |: r
user 0m0.083s; Q/ {) h8 H; y- {
sys 0m0.868s" p2 \4 w. z* T3 m9 E" ~) f% Z I% I- w
3 B' d/ b) J; d閫嚗
+ q# f$ m; j# ~' G4 l8 o9 j; etime 其閮
: D- f0 K% y% ndd 其銴鋆踝敺if OF
" M0 y+ _, ^' d$ u+ q4 \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, \" O3 O: b6 Z0 x3 @* Q* I4 C
bs 舀甈⊥葫閰血桐憭批嚗count航撖怎嚗訾撠望航憭批.. r, D' i0 ^8 b3 g" g
鞈頞憭扯皞蝣綽憭皜祈岫靘撟喳潦
6 y0 L" r2 J- L; f6 j$ j, ]; |+ H豢頞憭扯蝖殷憭甈⊥葫閰血撟喳" Z+ f q" n1 X& A& {) T
望葫閰衣敺啁豢憿舐內摨衣貊嗅翰鈭+ G1 ~5 R3 Z/ K/ Y" l
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皜祈岫摰閮敺芷 /home2/test w, F, a# @3 ]
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虫蝔格寞:
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: e4 e$ |" D; ?. N皜祈岫蝖祉霈摨:
, E! v& ~. l* N2 ~hdparm -t /dev/sdb
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: B. j" @2 b8 p, H/dev/sdb: (雿輻禿aid0摨血翰)
. H. O% c% _9 j Timing buffered disk reads: 1732 MB in 3.00 seconds = 576.98 MB/sec. H) _& r3 ]# d' F$ }
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/dev/sdb: (敺靘寞LVM摨行)9 `3 O$ r7 r1 \& @' z
/dev/sdb:6 h% g, _8 i& c/ m2 X. ]0 F% g9 c
Timing buffered disk reads: 546 MB in 3.01 seconds = 181.43 MB/sec( {6 i* Y6 S& C) H' ]
皜祈岫蝖祉撖怠仿摨:, f, e& T3 o3 N W: A. ~7 p
hdparm -t --direct /dev/sdb" E) V$ p; t& v5 F% r# ^5 Y7 U$ |
& r0 |8 S* T6 `/dev/sdb: (雿輻禿aid0摨血翰)" D" V2 Y0 |% b0 l
Timing O_DIRECT disk reads: 1326 MB in 3.29 seconds = 402.57 MB/sec
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2 |- V3 w' d7 c8 }5 q% P/dev/sdb: (敺靘寞LVM摨行)
- P- F4 Z3 s* K 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; |, y8 ~, P6 `, y0 P! }" m4 l
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潸” 2016-1-2 20:13:26
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