centos6.5 new Add HDD + mount

In the intranet host added a 2T hard disk, the first shutdown power off and then connect the hard drive data cable and power cable!

To view current disk device information:

[email protected] ~]# fdisk-l

Warning:gpt (GUID Partition Table) detected on '/DEV/SDB '! The util Fdisk doesn ' t support GPT. Use GNU Parted.


disk/dev/sdb:160.0 GB, 160041885696 bytes
255 heads, Sectors/track, 19457 cylinders
Units = Cylinders of 16065 * 8225280 bytes
Sector size (logical/physical): bytes/512 bytes
I/O size (minimum/optimal): bytes/512 bytes
Disk identifier:0x00000000

Device Boot Start End Blocks Id System
/DEV/SDB1 1 19458 156290903+ ee GPT

disk/dev/sda:2000.4 GB, 2000398934016 bytes
255 heads, Sectors/track, 243201 cylinders
Units = Cylinders of 16065 * 8225280 bytes
Sector size (logical/physical): bytes/4096 bytes
I/O size (minimum/optimal): 4096 bytes/4096 bytes
Disk identifier:0x00000000

Formatting/DEV/SDA

[Email protected] ~]# MKFS.EXT4/DEV/SDA
MKE2FS 1.41.12 (17-may-2010)
/DEV/SDA is entire device, not just one partition!
Proceed anyway? (y,n) Y
Filesystem label=
OS Type:linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=1 blocks, Stripe width=0 blocks
122101760 inodes, 488378646 blocks
24418932 blocks (5.00%) reserved for the Super user
First Data block=0
Maximum filesystem blocks=4294967296
14905 block Groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848

Writing Inode Tables:done
Creating Journal (32768 blocks): Done
Writing superblocks and filesystem accounting Information:done

This filesystem would be automatically checked every mounts or
Whichever comes first. Use Tune2fs-c or-i to override.

Create a new directory and mount it
[Email protected] ~]# MKDIR/WDC
[Email protected] ~]# MOUNT/DEV/SDA/WDC

[Email protected] ~]# df-h
Filesystem Size used Avail use% mounted on
/DEV/SDB4 50G 8.2G 39G 18%/
Tmpfs 1.9G 0 1.9G 0%/dev/shm
/DEV/SDB2 194M 47M 138M 26%/boot
/DEV/SDB1 799M 264K 799M 1%/boot/efi
/DEV/SDB3 97G 4.1G 88G 5%/data
/DEV/SDA 1.8T 196M 1.7T 1%/WDC

centos6.5 Add new drive + Mount