Install a new hard disk on CentOS

1. view the current hard disk status

 Fdisk-l

2. Create a formatting hard disk and create a new partition

 Fdisk/dev/sda

Command (m for help ):

N// Create a partition
Command action
E extended
P primary partition (1-4)

P// Create the original Partition
Partition number (1-4 ):1// Partition Number
First cylinder (1-4161, default 1 ):1// Use the default start cylindrical number
Last cylinder or size or sizeM or sizeK (1-4161, default 4161 )://
EnterUse the default end cylindrical number, that is, the partition uses the entire hard disk space.
Command (m for help ):W// Save the partition

3. format the new partition.

Mkfs. ext3/dev/hdb1

4. mount a new partition

Mkdir/mnt/sda1
// Create a mount point.

Mount/dev/sda1/mnt/sda1 // mount.

Df-h
// View the current disk usage

5. automatically mount partitions

Add the mount information of the New Hard Disk in vi/etc/fstab. Add the following line:
  /Dev/hdb1/mnt/hdb1 ext3 defaults 1 2(If another partition is 1 3, and so on)