一、過(guò)程步驟：

1、首先是添加新硬盤，本人是在虛擬機(jī)下添加的：VM >>Settings >> Hardware >> Add >> Hard Disk >> 一路默認(rèn)。。。

2、fdisk -l ? ?//查看是否找到新硬盤，查看硬盤代號(hào)。

3、fdisk /dev/sdb ? ?//找到代號(hào)為sdb的新硬盤（創(chuàng)建分區(qū)sdb1）

4、mkfs.ext4 ?/dev/sdb1 ? ? //把新硬盤格式化成ext4文件系統(tǒng)

5、mkdir disk2 ? //創(chuàng)建新的掛載點(diǎn)（一般cd到/mnt目錄下進(jìn)行創(chuàng)建）

6、mount /dev/sdb1 ? /disk2 ? //手動(dòng)掛載分區(qū)，把硬盤掛到/disk2目錄下

7、vi /etc/fstab ? ? 進(jìn)入編輯模式，添加 /dev/sdb1 ? /disk2 ?ext4 ? auto ?1 ? 2 ?//設(shè)置為開機(jī)自動(dòng)掛載分區(qū)

二.詳細(xì)過(guò)程


2、
查看硬盤代號(hào)
[root@AMD-LINUX ~]# fdisk -l
Disk /dev/sda: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×0007d856


Device Boot Start End Blocks Id System
/dev/sda1 * 1 25 200781 83 Linux
/dev/sda2 26 1305 10281600 8e Linux LVM


Disk /dev/sdb: 2147 MB, 2147483648 bytes <=新硬盤
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×00000000


Disk /dev/sdb doesn’t contain a valid partition table


Disk /dev/dm-0: 9395 MB, 9395240960 bytes
255 heads, 63 sectors/track, 1142 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×00000000


Disk /dev/dm-0 doesn’t contain a valid partition table


Disk /dev/dm-1: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×30307800


Disk /dev/dm-1 doesn’t contain a valid partition table
3、fdisk 分區(qū)
[root@AMD-LINUX ~]# fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel with disk identifier 0×623223a1.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won’t be recoverable.


Warning: invalid flag 0×0000 of partition table 4 will be corrected by w(rite)


Command (m for help): p <=顯示信息


Disk /dev/sdb: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×623223a1


Device Boot Start End Blocks Id System


Command (m for help): n <=新建分區(qū)
Command action
e extended
p primary partition (1-4)
p <=新建主分區(qū)
Partition number (1-4): 1 <=分區(qū)號(hào)為1，即/dev/sdb1
First cylinder (1-261, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-261, default 261):
Using default value 261（輸入給定范圍的最大值，即把全部全部空間給該分區(qū)）


Command (m for help): p <=顯示分區(qū)信息


Disk /dev/sdb: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×623223a1


Device Boot Start End Blocks Id System
/dev/sdb1 1 261 2096451 83 Linux


Command (m for help): w <=保存退出
The partition table has been altered!


Calling ioctl() to re-read partition table.
Syncing disks.
4、創(chuàng)建掛載點(diǎn)
[root@AMD-LINUX ~]# mkdir /disk2


[root@AMD-LINUX ~]# fdisk -l


Disk /dev/sda: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×0007d856


Device Boot Start End Blocks Id System
/dev/sda1 * 1 25 200781 83 Linux
/dev/sda2 26 1305 10281600 8e Linux LVM


Disk /dev/sdb: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×623223a1


Device Boot Start End Blocks Id System
/dev/sdb1 1 261 2096451 83 Linux


Disk /dev/dm-0: 9395 MB, 9395240960 bytes
255 heads, 63 sectors/track, 1142 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×00000000


Disk /dev/dm-0 doesn’t contain a valid partition table


Disk /dev/dm-1: 1073 MB, 1073741824 bytes
255 heads, 63 sectors/track, 130 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0×30307800


Disk /dev/dm-1 doesn’t contain a valid partition table


[root@AMD-LINUX ~]# mkfs.ext4 ?/dev/sdb1 ? ??=>? //把新硬盤格式化成ext4文件系統(tǒng) ?
mke2fs 1.40.2 (12-Jul-2007)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
262144 inodes, 524112 blocks
26205 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=536870912
16 block groups
32768 blocks per group, 32768 fragments per group
16384 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912


Writing inode tables: done
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done


This filesystem will be automatically checked every 36 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.




5、設(shè)置為開機(jī)自動(dòng)掛載分區(qū)
[root@AMD-LINUX ~]# vi /etc/fstab
/dev/sdb1 ? ? /disk2 ? ? ?ext3 ? ? ? auto ? ? 1 2


6、手動(dòng)掛載分區(qū)
[root@AMD-LINUX ~]# mount /dev/sdb1 /disk2/

轉(zhuǎn)載于:https://www.cnblogs.com/yjtx/p/4429622.html

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