centos6.5新增加硬盘+挂载

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在内网主机新增一个2T硬盘,先关机断电再连接硬盘数据线和电源线!

查看当前磁盘设备信息:

[[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, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 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, 63 sectors/track, 243201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000


格式化/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 will be automatically checked every 26 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.

 

新建目录并挂载
[[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



 

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