centos6.5新增加硬盘挂载并实现开机自动挂载

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:

[root@tb ~]# 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

[root@tb ~]# 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 [root@tb ~]# mkdir /wdc [root@tb ~]# mount /dev/sda /wdc [root@tb ~]# 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 设置开机时自动挂载:

查看磁盘UUID信息

[root@tb /]# blkid /dev/sdb1: UUID="2824-9F12" TYPE="vfat" /dev/sdb2: UUID="95a58d28-583f-4bd2-a1b8-5217603ab169" TYPE="ext4" /dev/sdb3: UUID="1576184b-a5fd-436e-9f0a-f1d017976a9b" TYPE="ext4" /dev/sdb4: UUID="6a85e17b-aba8-4547-a915-013dec8665f5" TYPE="ext4" /dev/sda: UUID="d03dad1a-797d-47a5-92c8-5ec5836d35e2" TYPE="ext4" [root@tb /]# vim /etc/fstab

添加以下信息 UUID=d03dad1a-797d-47a5-92c8-5ec5836d35e2   /wdc  ext4    defaults 0 0

编辑后的信息如下: # # /etc/fstab # Created by anaconda on Mon Oct 17 12:29:32 2016 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # UUID=6a85e17b-aba8-4547-a915-013dec8665f5 /                       ext4    defaults        1 1 UUID=95a58d28-583f-4bd2-a1b8-5217603ab169 /boot                   ext4    defaults        1 2 UUID=2824-9F12          /boot/efi               vfat    umask=0077,shortname=winnt 0 0 UUID=1576184b-a5fd-436e-9f0a-f1d017976a9b /data                   ext4    defaults        1 2 UUID=d03dad1a-797d-47a5-92c8-5ec5836d35e2   /wdc                  ext4    defaults        0 0 tmpfs                   /dev/shm                tmpfs   defaults        0 0 devpts                  /dev/pts                devpts  gid=5,mode=620  0 0 sysfs                   /sys                    sysfs   defaults        0 0 proc                    /proc                   proc    defaults        0 0