mount you must specify the filesystem type linux mount LVM到个人用户报错

linux mount LVM到个人用户上时提示:mount you must specify the filesystem type 


root@server:/home# mount  /dev/xxxx  /home/dongwuming/

mount you must specify the filesystem type 

root@server:/home# mkfs.ext4 /dev/xxxx
mke2fs 1.41.11 (14-Mar-2010)
文件系统标签=
操作系统:Linux
块大小=4096 (log=2)
分块大小=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
5242880 inodes, 20971520 blocks
1048576 blocks (5.00%) reserved for the super user
第一个数据块=0
Maximum filesystem blocks=4294967296
640 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


正在写入inode表: 完成
Creating journal (32768 blocks): 完成
Writing superblocks and filesystem accounting information:
完成


This filesystem will be automatically checked every 37 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.


root@server:/home# mount  /dev/xxxx  /home/dongwuming/

OK!!!


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