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 blkid6 N# O. I+ s6 m) _5 Y
fdisk 隢 :http://blogger.gtwang.org/2012/02/linux.html, I2 \6 h/ c8 Z; A
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.html* g I" N) \( ]* ~/ {! k- w
: t* C$ v: Q) S1 O$ p- I啣蝖祉,璈芸mount(銝隞孑ount芣舀急,璈銝芸mount) :/etc/fstab 乩銝銵:0 J) o2 z3 s" }
/dev/sdb1 /home2 ext4 defaults 1 1
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* G. H4 y* S7 uparted 閰喟敦隞:https://blog.gtwang.org/linux/pa ... -disk-partitions/2/
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" U- u% L0 P$ A# X9 u+ yfdisk 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4 Q" O( _% R6 u* f, h0 v* N- d6 T
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7 r1 S& _! Y2 x: @( Qparted 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5 ~& j# A" ~) ?" l! z# t S; [9 P
' g7 g; @/ P3 c3 d: R( Iparted [鋆蝵孫 [隞 [窟]
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隞文踝
, R# \% M8 @3 {) l 啣莎mkpart [primary|logical|extended] [ext4|vfat|xfs] 憪 蝯! D* ~4 P8 E9 S& l2 Z. y
憿舐內莎print' ]" K% H, M( D1 c% J. j. `: _3 g
芷文莎rm [partition]
% E! x" E; R0 N! U5 `0 `靘憒:
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3 p: S* R0 V' ^/ F寞銝:
( t4 G( h0 x% z6 X0 M(parted) mkpart primary 0 100% (primary皰artition name)$ T' l3 Q; p: t# z
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寞鈭:
: A' }+ H0 z8 f" c, W& OPartition name? []? 30T_part7 c9 P( N* T: T7 y' G2 j) R* F: ~
File system type? [ext2]? ext2 (ext4銝霅血)
$ b. j! h. v3 o- P0 _ vStart? 0B or 0%
" U2 `$ j9 f" g1 Q' G" I! w- o+ [End? 30TB or 100% C/ A, u8 \2 Z
Warning: You requested a partition from 0.00B to 30.0TB.- K2 O: ^" c5 E$ d
The closest location we can manage is 17.4kB to 30.0TB.& X) c/ b* X" Z$ X1 g% X
Is this still acceptable to you?' W: n/ a, W/ r
Yes/No? Yes
e: i# ^& g4 c) V2 eWarning: The resulting partition is not properly aligned for best performance.
% z6 p# g5 j0 o* w* @; ~: hIgnore/Cancel?2 W; _) U) A9 M; A4 ?4 D$ w7 m
雿輻牠xt2撠曹銝餈啗郎
" x1 g% F8 O# v" Z' D" E, W3 Omkfs -t ext4 /dev/sdb1 ===> format
1 d! R! p; S$ d. h$ Y# {& xERROR:7 C/ T7 u0 L5 U! h1 L
mkfs.ext4: Size of device /dev/sdb1 too big to be expressed in 32 bits6 n5 C- y; o( b( B. O9 ~/ j
using a blocksize of 40965 _: s7 D5 ^7 _
SOL:
+ `5 x, b& t. _3 i6 S mformat > 16TB see https://www.unix-ninja.com/p/For ... yond_the_16TB_limit3 ^1 @$ Q" e, {* @9 \& d
/usr/local/src/wget -Oe2fsprogs-1.42.7.tar.gz http://downloads.sourceforge.net ... _mirror=superb-dca3
/ g% P' ]0 y8 X- b$ J" O/usr/local/src/tar -zxvf e2fsprogs-1.42.7.tar.gz
, n. G, g$ J; R' h# T$ F- ^, g4 ?cd /usr/local/src/e2fsprogs-1.42.7
$ ]; m8 V- w4 r: F/ O% o. g, lmkdir build
) e- x* b( X2 S! `- [0 T2 pcd build: [- r1 b( [6 Z }8 Z
../configure
* h o# d8 s8 N make
! [: Y( k# u/ ?2 l% { make install5 r0 I' V' n$ p
mke2fs -O 64bit,has_journal,extents,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize -i 4194304 /dev/sdb1
' z9 }, n _, Q& W+ `! l9 \: e憿舐內銝:
7 {( \( n- L& S- D: k+ fThis filesystem will be automatically checked every 27 mounts or$ z( W3 I% }% P, N3 ?& G9 _
180 days, whichever comes first. Use tune2fs -c or -i to override.
6 g- j B% c, y/etc/fstab銝剖乩 : (fstab隞蝝:http://horace1123.pixnet.net/blo ... b%E8%AA%AA%E6%98%8E)5 ?. a" o9 n3 m" Y; k) W; I
/dev/sdb1 /home2 ext4 defaults 1 0(蝚砌詨1:瘥亙隞,蝚砌詨0:蝟餌絞銝甇撣豢fsck銝瑼Ｘ)3 a" i: m" D) }+ I5 a$ b$ I
mount /home2
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% W# P7 y: ]% V
=======================================================================
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[蝖祉皜祈岫]1.! `/ B% E% L+ T' [
Linux蝖祉撖怠仿摨行葫閰衣隞:
4 h1 E( h: h, K4 _0 v#time dd if=/dev/zero of=/home2/test bs=2k count=1000000 // /home2 痂ount raid0 33TB 蝖祉, 11*3TB銋SCSI蝖祉
2 \1 q3 a( T x5 o1000000+0 records in
: D, c: o! e: S9 c) T u1000000+0 records out
" u$ f5 Y8 g4 n) f4 B. t2048000000 bytes (2.0 GB) copied, 3.58735 s, 571 MB/s
2 [9 Q) A0 L2 s: ?8 y) Y) F- o% T/ q N& ]# q2 F( }1 g; ~" [
real 0m3.590s$ `9 Q) C" a6 W' Q1 P1 x
user 0m0.130s% y* q+ Y3 [8 [. f$ \
sys 0m3.455s8 n- Y* g! a; m8 `7 O) K6 {2 z
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* \0 R5 e! Y; B2 ]: OLinux蝖祉霈摨行葫閰衣隞:
. [# |# G( q/ @2 a#time dd if=/home2/test of=/dev/null bs=2k/ g5 y0 B7 P* z# V
1000000+0 records in$ }3 E- H9 Y! E
1000000+0 records out1 _# R9 j1 t6 M) ^2 K) g& E& m
2048000000 bytes (2.0 GB) copied, 0.952334 s, 2.2 GB/s
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: u& G) r* B1 e2 S0 d; \) K( Areal 0m0.954s
- A, Z0 Y6 f W7 c, |user 0m0.083s
2 U; O& A3 m" O) ssys 0m0.868s
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閫嚗 u! q2 E7 ~# f
time 其閮9 X5 ~/ M" B! V/ X+ ~
dd 其銴鋆踝敺if OF# x: O' b7 f9 A- R9 E
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
/ \1 D9 I+ `9 S: f; P" ]- N: Rbs 舀甈⊥葫閰血桐憭批嚗count航撖怎嚗訾撠望航憭批.
; {$ A$ V( o* ^2 |2 B: A2 A& l鞈頞憭扯皞蝣綽憭皜祈岫靘撟喳潦
0 v6 y; j5 u/ G$ b- q( v豢頞憭扯蝖殷憭甈⊥葫閰血撟喳
9 ?# I1 K" y1 [. z% x( Y3 I0 z; `2 t2 V望葫閰衣敺啁豢憿舐內摨衣貊嗅翰鈭
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5 @9 e0 x0 S5 Z皜祈岫摰閮敺芷 /home2/test
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( p8 Z5 T. B6 z! l' t, L虫蝔格寞:2 o# O1 C b5 Z6 {
: }% W+ P9 B) P皜祈岫蝖祉霈摨:4 z5 Q2 {5 A$ |; n, O
hdparm -t /dev/sdb O" ?- l* i, a
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/dev/sdb: (雿輻禿aid0摨血翰)/ f4 t7 A* s. K r
Timing buffered disk reads: 1732 MB in 3.00 seconds = 576.98 MB/sec
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' a) }) _" C' v K0 K, F/dev/sdb: (敺靘寞LVM摨行)
5 D- H: k8 h, l, w: J" Q/dev/sdb:; e2 W+ Y/ @9 [' y0 q/ D: u
Timing buffered disk reads: 546 MB in 3.01 seconds = 181.43 MB/sec0 q+ M L7 S& s" }5 {
皜祈岫蝖祉撖怠仿摨:
( h$ |" g. f( W0 l: y hdparm -t --direct /dev/sdb
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" T1 J5 ^5 w( p/ |/dev/sdb: (雿輻禿aid0摨血翰), l W' F: m/ f# x
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)
* r7 s3 J$ m6 h. K8 {6 a# g Timing O_DIRECT disk reads: 560 MB in 3.00 seconds = 186.36 MB/sec3 z @+ E- \. r$ c# ^( R
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+ w( M* P2 h! O" z7 s4 {8 Y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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