linux mount报错：you must specify the filesystem type的解决方法

最近工作中遇到一个问题，在linux mount /dev/vdb 到 /home 分区时报错，如下：

  # mount /dev/vdb /home
  mount: you must specify the filesystem type

先执行：mkfs.ext3 /dev/vdb

  # mkfs.ext3 /dev/vdb
  mke2fs 1.41.12 (17-May-2010)
  Filesystem label=
  OS type: Linux
  Block size=4096 (log=2)
  Fragment size=4096 (log=2)
  Stride=0 blocks, Stripe width=0 blocks
  32768000 inodes, 131072000 blocks
  6553600 blocks (5.00%) reserved for the super user
  First data block=0
  Maximum filesystem blocks=4294967296
  4000 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
  Writing inode tables: done
  Creating journal (32768 blocks): done
  Writing superblocks and filesystem accounting information: done
  This filesystem will be automatically checked every 25 mounts or
  180 days, whichever comes first. Use tune2fs -c or -i to override.

再mount 即可：

#mount -t ext3 /dev/vdb /home

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