在Linux中添加新的硬盤，并自動掛載。測試環境CentOS5.4
1、檢查所有硬盤
# fdisk -l
Disk /dev/sda: 21.4 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 2610 20860402+ 8e Linux LVM
Disk /dev/sdb: 274.8 GB, 274877906944 bytes
255 heads, 63 sectors/track, 33418 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
2、為硬盤分區
#fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won't be recoverable.
The number of cylinders for this disk is set to 33418.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
Command (m for help): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
Command (m for help):
3、創建分區
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p //輸入p選擇為主分區
Partition number (1-4): 1 //主分區號
First cylinder (1-33418, default 1): //開始
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-33418, default 33418): //結束
Using default value 33418
4、查看
Command (m for help): p
Disk /dev/sdb: 274.8 GB, 274877906944 bytes
255 heads, 63 sectors/track, 33418 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 33418 268430053+ 83 Linux
5、保存
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
保存之后，需要將新分區格式劃，命令如下：
6、格式劃
#mkfs.ext3 /dev/sdb1
這樣，便可格式化完成，下面可以掛載測試
#mount /dev/sdb1 /mnt
7、開機自動掛載
修改/etc/fstab文件在最后一行添加：
硬盤 掛載點 分區類型
/dev/sdb1 /mnt ext3 default 0 0