linux硬盘操作

在机器添加了新的硬盘之后，需要对其进行分区、创建文件系统并挂载之后，才能使用。具体步骤如下

1、使用fdisk命令给硬盘分区

# fdisk /dev/sdb
Command (m for help): p

Disk /dev/sdb: 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

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-2610, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-2610, default 2610):
Using default value 2610

Command (m for help): w ----将改动写入磁盘
The partition table has been

2、使用mkfs格式化硬盘

# fdisk -l /dev/sdb

Disk /dev/sdb: 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/sdb1               1        2610    20964793+  83  Linux

perl-219-sles10:~ # mkfs -t ext3 /dev/sdb1
...
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: ----直接回车

3、挂载

mount /dev/sdb1 /newfs

４、配置开机自动挂载

编辑/etc/fstab　文件
添加：/dev/sdb1 /newfs ext3 defaults 1 1