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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)% A+ G7 v* p7 J
      or: fdisk /dev/sdc  (for the third SCSI disk)) B, J. L1 w5 l# k6 U2 N) ?! O6 o
      or: fdisk /dev/eda  (for the first PS/2 ESDI drive)9 T( R5 v0 Z; M  z5 C$ T3 Z, r% O
      or: fdisk /dev/rd/c0d0  or: fdisk /dev/ida/c0d0  (for RAID devices)
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  1. df -k! `$ ~* q8 y+ {! v  K5 u8 L$ k
  2. df -lh" S6 ]- K' G) c7 X  I
  3. 查看有几块硬盘:fdisk -l" t6 [- p" N5 \/ Y+ R
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文件系统               1K-块        已用     可用 已用% 挂载点
1 I9 d0 N& p' o3 F    /dev/sda3              3723848    705968   2828716  20% /; v4 Y2 J, a6 d$ u- F7 y- a* v6 e1 `
    /dev/sda1               101089      9274     86596  10% /boot
- F& V/ `, G2 r/ g( `% Z    none                     14520         0     14520   0% /dev/shm7 ^# q8 s) i' K" R
    对新硬盘分区,4G硬盘中划出1G作为新分区。给/home使用; t, @8 i* d- ~( J6 l
  1. fdisk /dev/hda
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Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
$ ]6 \; v2 W/ O3 d    Building a new DOS disklabel. Changes will remain in memory only,
* t! w( F' ]' X- c    until you decide to write them. After that, of course, the previous( X" k* p$ k8 K4 K" l
    content won't be recoverable.' X# Z4 M& x) B( \; |9 g! b; y. n  M& c) a
    The number of cylinders for this disk is set to 8322.6 o3 ]% g; e% X+ [% m3 o
    There is nothing wrong with that, but this is larger than 1024,
4 Q: o$ B/ o2 i+ o$ n; U- x- \    and could in certain setups cause problems with:) s$ f1 I0 r$ X% f( l; F4 g
    1) software that runs at boot time (e.g., old versions of LILO)
& @8 i& Y, g+ Z, ^. k3 r2 `    2) booting and partitioning software from other OSs
9 }& ]1 w& d2 V4 N5 A       (e.g., DOS FDISK, OS/2 FDISK)3 }8 t8 @, o- b; h
    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
- b+ c' I. u, G8 M! B) _6 C9 _: B" U    Command (m for help): p; D/ X) |) a( c- Z8 s% J9 r& h
    Disk /dev/hda: 4294 MB, 4294967296 bytes8 v/ \& c7 _2 r8 U- D
    16 heads, 63 sectors/track, 8322 cylinders- |7 r) `/ P. F! g/ p. f; A
    Units = cylinders of 1008 * 512 = 516096 bytes
/ H4 n3 ]+ `, v       Device Boot    Start       End    Blocks   Id  System
  o: o& G. v& m6 B+ E& S6 f- N. S/ {6 a    Command (m for help): m  V( ?- Z9 z( m6 j  Q" [
    Command action+ o8 j% @  Q# _6 p% ?: |; ]% }
       a   toggle a bootable flag" d1 t$ m. R! Y9 Q3 h
       b   edit bsd disklabel3 p# u: n; |$ K5 M7 \9 r
       c   toggle the dos compatibility flag
7 ^+ ^" r- G: |8 g. _) M' J       d   delete a partition
( O' H- B) ^4 }$ b       l   list known partition types2 ~) N& |8 ^' I0 c/ A+ B
       m   print this menu
8 \% f+ V1 P, w. f0 h( F$ u& B- `       n   add a new partition9 {4 d# _- E/ R6 v7 \
       o   create a new empty DOS partition table
# i2 q7 {5 S+ ]" T       p   print the partition table
6 E# s' J! r! O; J  b       q   quit without saving changes
6 k$ ]& G5 i- C$ c. l+ V2 }  `       s   create a new empty Sun disklabel
" {2 H- b- c; d& u3 ~       t   change a partition's system id; N: i5 j% S; N5 A; x
       u   change display/entry units
+ e" {8 E6 p3 N4 R7 t4 g6 T" [       v   verify the partition table
8 @3 d) b. n% @2 f$ S0 W2 K       w   write table to disk and exit
) e$ v- ~0 m1 V! J& N5 t       x   extra functionality (experts only)# L5 @$ `+ E# R& t
    Command (m for help): n
2 @; c5 q/ M: e: ?# J$ ~    Command action8 j0 W/ p( b9 k2 T( z6 o; f' g
       e   extended
( G9 _1 [  K2 o4 v: O       p   primary partition (1-4)
9 o6 A5 g  }4 F0 _" M0 ~0 j    p
, G4 A" @7 K( ]. y3 d# f    Partition number (1-4): 1  a: k4 ^, _/ P
    First cylinder (1-8322, default 1):
4 l; `5 B* Q* U5 I% @3 F    Using default value 1" N, B& c( F- O! K, M# R
    Last cylinder or +size or +sizeM or +sizeK (1-8322, default 8322): 1000G
  x  W; k1 ]& [" G    Command (m for help): p
+ S4 d4 B* U/ u2 N+ y; @( t    Disk /dev/hda: 4294 MB, 4294967296 bytes
5 K: z  V4 v" |+ s, [    16 heads, 63 sectors/track, 8322 cylinders
+ r& D9 V* ^( u7 R$ i6 \    Units = cylinders of 1008 * 512 = 516096 bytes  a  c; k+ C# H* S
       Device Boot    Start       End    Blocks   Id  System! A% x1 b4 ]1 p- v
    /dev/hda1             1      1000    503968+  83  Linux8 U  v: d1 z# E9 x
    Command (m for help): w
! Y& N' b) N0 [2 W' d9 _    The partition table has been altered!
7 I; p% f, N7 W: Y* b" v* ~    Calling ioctl() to re-read partition table.
3 k  D! v5 ]: b/ P    Syncing disks.
3 e5 A  U3 U& d1 ]! G" m    //格式化新分区# q1 U- E" ?4 g
  1. mkfs.ext3 /dev/hda1
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mke2fs 1.32 (09-Nov-2002). o% v, \- J+ Z
    Filesystem label=
* X+ g6 C: a3 d6 O    OS type: Linux3 M0 L) m+ t# r. x0 I3 V7 h% u, f1 B
    Block size=1024 (log=0)
  }7 C! [+ i4 L- a8 t( m, S, q    Fragment size=1024 (log=0)
- D) l2 I7 N* s8 E: r8 i    126480 inodes, 503968 blocks
; F6 p7 K+ |) V7 v    25198 blocks (5.00%) reserved for the super user0 k( J3 O  a/ U& B& {/ v; \4 B
    First data block=12 x. Y5 A; a. Y
    62 block groups2 r1 G: n$ G: E
    8192 blocks per group, 8192 fragments per group3 A" z5 T2 q! K+ a" a
    2040 inodes per group$ D  a6 g  x8 {8 D. n2 O
    Superblock backups stored on blocks:   C0 f5 B& N2 K
            8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
. u7 l: K% P# @) c0 i, g& ^    Writing inode tables: done                            1 T8 L! y. G  F% C1 }7 m
    Creating journal (8192 blocks): done# ?, q( J/ m' T" N- y" e5 [+ ?, _6 ^
    Writing superblocks and filesystem accounting information: done
0 \0 z6 }0 w. z% r/ T    This filesystem will be automatically checked every 30 mounts or
% n5 U$ f) Y  I+ `( o    180 days, whichever comes first.  Use tune2fs -c or -i to override.
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  1. df -k
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文件系统               1K-块        已用     可用 已用% 挂载点4 v( t- `' l$ K" v) Y3 w
    /dev/sda3              3723848    705992   2828692  20% /
+ @/ ~# r; `/ @3 Q    /dev/sda1               101089      9274     86596  10% /boot
! z2 p- n  O- g% S) H0 }( Z    none                     14520         0     14520   0% /dev/shm6 g* H" ~) L7 U% M
    //挂上新分区/ R4 `& ?; X" N- Y& E  I+ R1 e" o
  1. mount /dev/hda1 /home
    * ^6 ]" m* ?9 |5 R- F( A! j8 [! n- O
  2. df -k
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文件系统               1K-块        已用     可用 已用% 挂载点3 G) h  O$ K* ?. i+ E
    /dev/sda3              3723848    705992   2828692  20% /
1 T6 E* g' q* V- m, w    /dev/sda1               101089      9274     86596  10% /boot  h& w& V7 F- {& m- K+ p( g
    none                     14520         0     14520   0% /dev/shm
- i. }5 h6 D' \9 u9 m3 B; g0 }    /dev/hda1               488006      8239    454569   2% /home
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+ f% q1 X8 l: L& b自动挂载:3 I+ G9 D! J% j( m. r
  1.           vi /etc/fstab: x" b- y5 X3 Y4 g( ]
  2. - \. U+ S# z, J; }6 _
  3.           /dev/sdb5 /mnt/ljp1  ext3     defaults     0 0
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  4. ! R6 |+ F4 U: \& d2 S) \7 J* g
  5.           /dev/sdb6 /mnt/ljp2  ext3     defaults     0 0
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手动挂载:" Y# l9 J* @2 q$ _& M
  1.           mount /dev/sdb5 /mnt/ljp1( n( F5 f. f/ _) N" _& l) d
  2. 2 A; Q/ u' M3 D6 c5 q
  3.           mount /dev/sdb6 /mnt/ljp2
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