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[经验] linux下添加新硬盘方法

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发表于 2014-2-9 19:20:26 | 显示全部楼层 |阅读模式
  1. fdisk
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Usage: fdisk [-l] [-b SSZ] [-u] device    E.g.: fdisk /dev/hda  (for the first IDE disk); E, [7 ^" L. b  U$ o+ F. b8 ?
      or: fdisk /dev/sdc  (for the third SCSI disk)
7 d) J7 N! w6 d. _" ]  ^8 r6 g      or: fdisk /dev/eda  (for the first PS/2 ESDI drive)
' b6 |* u3 B3 L  f* H. F* m4 q      or: fdisk /dev/rd/c0d0  or: fdisk /dev/ida/c0d0  (for RAID devices)
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  1. df -k
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  2. df -lh- J! i# p; u( j5 ~3 J6 ]' O$ m
  3. 查看有几块硬盘:fdisk -l
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文件系统               1K-块        已用     可用 已用% 挂载点
! D2 r! {# W! d+ Y2 I% K1 C. Y2 {( B  w    /dev/sda3              3723848    705968   2828716  20% /
# M, D8 x  b3 E6 f2 {' w1 @    /dev/sda1               101089      9274     86596  10% /boot& S7 Q2 l" {. l5 ]! G1 l0 E
    none                     14520         0     14520   0% /dev/shm# W" @$ y$ u0 v' v! \1 u
    对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用
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  1. fdisk /dev/hda
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Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel  a9 F! \6 w# \" f2 v
    Building a new DOS disklabel. Changes will remain in memory only,
- l  k% f! q& x# w+ d# T( v    until you decide to write them. After that, of course, the previous
$ P; {1 m# D; v    content won't be recoverable.
8 S. u# C& m: e' q    The number of cylinders for this disk is set to 8322.  F1 S+ a$ ]' M* N( t0 M
    There is nothing wrong with that, but this is larger than 1024,
9 q. ~# p" o5 }9 m- D. k    and could in certain setups cause problems with:
1 z% f/ N2 }/ P  F/ g$ i    1) software that runs at boot time (e.g., old versions of LILO)6 {' I' v+ n  d
    2) booting and partitioning software from other OSs8 r$ h/ o- |6 W+ c3 ?3 \8 F1 z
       (e.g., DOS FDISK, OS/2 FDISK)
, j8 e& ]/ H: s/ k    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
7 J% T4 H( t3 B1 E    Command (m for help): p* e' n6 g9 l4 ]3 H# q
    Disk /dev/hda: 4294 MB, 4294967296 bytes
, m; W5 L6 e' Z8 c; ^+ c& F! Z8 y    16 heads, 63 sectors/track, 8322 cylinders
* k, ]* }5 U1 K7 b2 j    Units = cylinders of 1008 * 512 = 516096 bytes% Z3 K, e4 Y+ M, j  F6 K* X: {5 d
       Device Boot    Start       End    Blocks   Id  System+ E" S9 v3 m5 [
    Command (m for help): m
* M4 o, K* A1 o; L4 ?, g    Command action
( B4 C$ L, D3 A  s! A5 |, l       a   toggle a bootable flag
& O& l+ }6 M) X/ E; H( p0 q% o       b   edit bsd disklabel/ g7 ?# k/ S( E9 D' G
       c   toggle the dos compatibility flag
) R* l* x( S) \* ~/ _       d   delete a partition. V! c" ?) W. j4 Q. W
       l   list known partition types0 k$ V/ u* D1 h! W# x" k0 f2 {
       m   print this menu
( ^$ f1 _- [+ v4 K       n   add a new partition
8 @( M" Z' V) b$ ~/ l       o   create a new empty DOS partition table* v7 Q4 ]1 A" N4 U, G' u6 x
       p   print the partition table1 P- {5 W( r% k2 z- K
       q   quit without saving changes
# R' i& `5 K2 ?       s   create a new empty Sun disklabel
, R! `3 l  C. c2 a4 P2 G7 [- g       t   change a partition's system id' w; U3 ?. s7 t8 I9 M; {
       u   change display/entry units; }3 o- l- I2 L# K+ b
       v   verify the partition table
( D. K# L1 V% D3 M. O; l* a% Q( K$ _       w   write table to disk and exit
# S+ U) ]& r" w! b) j6 R       x   extra functionality (experts only)) p+ c* \! x% O6 E1 v$ n/ @
    Command (m for help): n; K2 ]$ ?8 p4 d2 X- U' K9 W
    Command action
$ b$ W8 F9 j* k  A- [       e   extended
. Z6 s6 y& A: M; v. v" @# j       p   primary partition (1-4)
7 f0 M. m9 o. C+ I: o- p4 E    p  |% f) e, x! u# I/ A
    Partition number (1-4): 1
) b+ x& M) H. t1 I3 J    First cylinder (1-8322, default 1):
2 Q4 w9 ]! ^; c, Z+ p8 L, i    Using default value 1' a+ Z' S# U/ g- D
    Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
6 J7 ^+ E- @2 \! V6 u* B    Command (m for help): p
* ~) i* s& Y8 K  M    Disk /dev/hda: 4294 MB, 4294967296 bytes
8 p6 s6 q0 j- H2 f    16 heads, 63 sectors/track, 8322 cylinders- e7 ~4 t2 N* @) |
    Units = cylinders of 1008 * 512 = 516096 bytes; @# i/ ?4 N% J# S( e* y. }7 \' Z
       Device Boot    Start       End    Blocks   Id  System
; S; `8 `% ?/ g" B- g6 o    /dev/hda1             1      1000    503968+  83  Linux
" w" t3 |5 A" T. m    Command (m for help): w' f& V- z9 v7 R, h& }) {* P
    The partition table has been altered!  |0 l0 b9 L+ g9 f& a% c
    Calling ioctl() to re-read partition table.
  Z; k* @$ O" V8 i' `3 t) M& |    Syncing disks.
& E0 j& Q; A4 c+ X1 s2 M. z    //格式化新分区7 g6 R0 w8 G: Q7 R" U- T
  1. mkfs.ext3 /dev/hda1
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mke2fs 1.32 (09-Nov-2002)4 V/ g& ?( s8 b/ n. t6 o4 r
    Filesystem label=
: o& ~. j! c0 R# H( V    OS type: Linux' o. q1 }7 M9 Z. D
    Block size=1024 (log=0)& Q$ @0 P8 m0 k6 D# F$ Y; W
    Fragment size=1024 (log=0)+ M+ v4 F0 w! C, t. M
    126480 inodes, 503968 blocks$ N% w" s( M! R2 }* h6 ?0 L4 s
    25198 blocks (5.00%) reserved for the super user/ J) v2 `0 v. Z7 z/ ^7 G3 S& }) M1 _! G
    First data block=1
2 A3 O, S9 K' M* f    62 block groups6 }3 n  q# O: X) ]; t# U4 L
    8192 blocks per group, 8192 fragments per group/ q$ T2 f/ {5 h/ t( a$ r
    2040 inodes per group
5 y$ Q( Z; o9 W# k+ L2 E5 L& d    Superblock backups stored on blocks: 9 m: C. M0 M  t; ^, R' p8 ^
            8193, 24577, 40961, 57345, 73729, 204801, 221185, 4014090 A0 ^. q! n) a/ ^
    Writing inode tables: done                           
: z/ I1 w0 w. h0 E! p+ t    Creating journal (8192 blocks): done
* v* K; ?7 W# {+ E7 v; q" B+ S: J    Writing superblocks and filesystem accounting information: done/ q6 w, Y9 j1 Y, J# g) i
    This filesystem will be automatically checked every 30 mounts or% G" L- M& H! {$ p
    180 days, whichever comes first.  Use tune2fs -c or -i to override.4 F, Y- k+ m/ z# e
  1. df -k
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文件系统               1K-块        已用     可用 已用% 挂载点
+ w- O/ r9 v* B% A) P; ?    /dev/sda3              3723848    705992   2828692  20% /
5 s. G( h4 ?) v+ b4 Z6 U4 g4 D' |    /dev/sda1               101089      9274     86596  10% /boot
% V9 |1 ?' o/ n7 [    none                     14520         0     14520   0% /dev/shm  L. l* I- b% g
    //挂上新分区2 Z7 ]; F" d0 ~& L% f
  1. mount /dev/hda1 /home
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  2. df -k
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文件系统               1K-块        已用     可用 已用% 挂载点( c& R, B% W3 L$ Z$ T
    /dev/sda3              3723848    705992   2828692  20% /1 d' J0 U5 y* ~! L
    /dev/sda1               101089      9274     86596  10% /boot
1 R3 t1 }5 r. j9 g' v! Z    none                     14520         0     14520   0% /dev/shm
1 |3 h# D5 y: p    /dev/hda1               488006      8239    454569   2% /home# M! u: @1 @* g) b; t( b) z7 w

: [% H6 q8 a3 G2 N自动挂载:0 g  p7 W( c' ], g
  1.           vi /etc/fstab
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  3.           /dev/sdb5 /mnt/ljp1  ext3     defaults     0 0
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  4. 2 J  L* Y" |% O5 o. I+ s7 G
  5.           /dev/sdb6 /mnt/ljp2  ext3     defaults     0 0
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手动挂载:* y" m: q) l% E- ~. S
  1.           mount /dev/sdb5 /mnt/ljp1
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  3.           mount /dev/sdb6 /mnt/ljp2
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