砍敺 IT_man 2017-3-21 22:08 蝺刻摩
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" t. O- {% I. d : http://linux.vbird.org/linux_basic/0230filesystem.php#parted http://blog.yam.com/wesley1981/article/16596463 賊隞 fstab, findfs, mount blkid% W7 B G5 V' r5 \8 x5 |
fdisk 隢 :http://blogger.gtwang.org/2012/02/linux.html
9 E5 m5 v2 o- K- M8 `% Hformat 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% M& q# q% ? Z' l: X8 L
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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:( l+ n# Z8 A! L5 W% V2 V$ s/ L
/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/) ~. G4 k( h5 c' E' B( e' e
$ X6 _/ D0 K5 l! Jfdisk 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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4 V1 y ?2 G+ q5 K" Oparted 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" q, q1 D4 A2 V
6 Z8 N$ n% e7 l9 c4 L6 B7 K g$ qparted [鋆蝵孫 [隞 [窟]
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隞文踝( F) b/ D" R; R1 @4 G \+ W- j
啣莎mkpart [primary|logical|extended] [ext4|vfat|xfs] 憪 蝯
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芷文莎rm [partition]- g1 N* n N% A, l5 A O8 p7 y* H8 a
靘憒:
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(parted) mkpart primary 0 100% (primary皰artition name)
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7 \: j7 ^- ^4 A& s9 V8 SPartition name? []? 30T_part/ k: e- j z+ I% W8 |
File system type? [ext2]? ext2 (ext4銝霅血)7 w4 x' _8 M3 k) `5 ]
Start? 0B or 0%. w9 ^+ y" y0 v% U9 s
End? 30TB or 100%2 t# g$ w B2 j' I. b
Warning: You requested a partition from 0.00B to 30.0TB.! G; h% Y& C0 X0 Y/ f" T4 S7 `
The closest location we can manage is 17.4kB to 30.0TB.
- E3 J7 j( D& c9 m6 QIs this still acceptable to you?
5 l$ k: p0 b8 fYes/No? Yes5 v! Y1 Y1 K) K" T
Warning: The resulting partition is not properly aligned for best performance.
2 s% j. a1 R( l1 s; PIgnore/Cancel?1 B! s8 l# c) N) b$ @- G, D
雿輻牠xt2撠曹銝餈啗郎; i0 g# r6 h8 C& B6 @; v, W; k
mkfs -t ext4 /dev/sdb1 ===> format
6 ^! A0 k# O, n% C- @* U i; A4 [ERROR:
9 ?+ o ^* P% F0 Emkfs.ext4: Size of device /dev/sdb1 too big to be expressed in 32 bits1 ]. i$ d8 F1 A
using a blocksize of 4096
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format > 16TB see https://www.unix-ninja.com/p/For ... yond_the_16TB_limit8 a9 j5 [2 `5 e% z4 n. o% j
/usr/local/src/wget -Oe2fsprogs-1.42.7.tar.gz http://downloads.sourceforge.net ... _mirror=superb-dca3! u; U; E+ Z# R/ y! Z8 D C, d
/usr/local/src/tar -zxvf e2fsprogs-1.42.7.tar.gz5 }7 D0 A8 L: M) K+ Q5 L
cd /usr/local/src/e2fsprogs-1.42.7; {: X; o! T! q% ~) K5 k B
mkdir build+ J5 b2 [# S, _8 d. H: R- y+ e/ t" J8 n
cd build
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make
! D3 x( k3 D. c* @' A9 G9 b make install
1 }6 {! c$ v) L8 C0 V' Z! dmke2fs -O 64bit,has_journal,extents,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize -i 4194304 /dev/sdb1
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This filesystem will be automatically checked every 27 mounts or% t" |/ U: F! t% \/ c$ [8 y4 R
180 days, whichever comes first. Use tune2fs -c or -i to override.
1 V" [# z( J7 [3 e/etc/fstab銝剖乩 : (fstab隞蝝:http://horace1123.pixnet.net/blo ... b%E8%AA%AA%E6%98%8E)0 y/ s; O6 E& `' d
/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)/ p5 H& d% w) [; j* X9 v/ @
mount /home2' X/ R; B, o3 V# |9 R6 K7 {
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4 y& U1 o7 p& a. Z( N( f! e2 c( Y=======================================================================0 f$ R: Q8 i% e2 t
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[蝖祉皜祈岫]1.
3 y" W6 |0 R+ Q* A' HLinux蝖祉撖怠仿摨行葫閰衣隞:
& i# h" ?) Y5 o) M0 t5 w& s2 F#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 D; C$ q9 b
1000000+0 records in6 W. i6 h$ {4 ]5 D( U
1000000+0 records out0 i; x- H3 T+ Y, {2 W: h
2048000000 bytes (2.0 GB) copied, 3.58735 s, 571 MB/s
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real 0m3.590s
( K! {, t: P% d4 g% Ruser 0m0.130s
# @) V \7 t; o" H8 p0 csys 0m3.455s
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9 A8 w$ a+ s% T7 g Q3 GLinux蝖祉霈摨行葫閰衣隞:
- n6 N. R" Z) P' n* B! S& J#time dd if=/home2/test of=/dev/null bs=2k* S0 B9 C$ z( s5 |' ~7 _
1000000+0 records in6 i% ^& h! v: L
1000000+0 records out
$ t$ e i I* C R( S2048000000 bytes (2.0 GB) copied, 0.952334 s, 2.2 GB/s) q( F; b. I, B) x
3 |& M; ?- c! D1 F9 j& U6 Ireal 0m0.954s
% }* ?" D+ F6 e8 n( s6 yuser 0m0.083s4 g) z7 L( S6 X2 N1 W3 I, l3 f
sys 0m0.868s. D3 [& P8 q, e/ Z0 J
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+ k- j" a2 D% G' q6 rtime 其閮
" F" i! ]7 ~ H5 s0 }, W, m$ @5 tdd 其銴鋆踝敺if OF+ J: M" H( c0 d" i4 ^: T/ N+ b
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3 y/ K0 ?% m( C/ c2 Q
bs 舀甈⊥葫閰血桐憭批嚗count航撖怎嚗訾撠望航憭批.
- }9 n8 k9 P/ c. E' B鞈頞憭扯皞蝣綽憭皜祈岫靘撟喳潦$ S. `9 j6 ], x" K/ X
豢頞憭扯蝖殷憭甈⊥葫閰血撟喳/ F5 L% y! }: q
望葫閰衣敺啁豢憿舐內摨衣貊嗅翰鈭3 x* y9 N/ F- u8 V
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皜祈岫摰閮敺芷 /home2/test
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Z2 q( y$ b7 e+ N+ N虫蝔格寞:! p( h- m. a; W _0 ?1 L% |! H6 T
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皜祈岫蝖祉霈摨:
2 I& d9 E& ~, h% }- N5 u, Fhdparm -t /dev/sdb+ Y% \2 Q7 U& r6 r5 D$ o
2 S: c1 @1 f. k2 \" r$ e/dev/sdb: (雿輻禿aid0摨血翰)
5 {) z0 i, x% r' d/ N2 I; q Timing buffered disk reads: 1732 MB in 3.00 seconds = 576.98 MB/sec4 a2 I- ~* i( z |0 A
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/dev/sdb: (敺靘寞LVM摨行)" j) W6 {1 C2 j! y# y9 k
/dev/sdb:
' Z! x: m. J- [+ d0 B0 qTiming buffered disk reads: 546 MB in 3.01 seconds = 181.43 MB/sec" I) u% `! i% \/ J5 e
皜祈岫蝖祉撖怠仿摨:" _+ q; l8 a6 O3 h2 ]6 d) ^! V& i
hdparm -t --direct /dev/sdb
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8 l5 _& |: u1 c, K0 q1 y/ Q/dev/sdb: (雿輻禿aid0摨血翰)
) g0 r: I/ d, F" \# H" O( ^ 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 z) r2 g- e9 c0 v2 k( Y8 S Timing O_DIRECT disk reads: 560 MB in 3.00 seconds = 186.36 MB/sec6 f" W. m! x4 x6 ]- ]* q9 | k& a" C
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血皜祈岫 /dev/sda SSD蝖祉 摨血芣 raid0 scsi 蝖祉銝8 I4 D" R% i: g. F' {) N) N
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