linux---ext4分区格式化、及挂载方法
先卸载:umount /home/share/md13
格式化:mkfs.ext4 /dev/mapper/vgmd1-md13 -m0
再挂载:mount /dev/mapper/vgmd1-md13 /home/share/md13
先卸载:umount /home/share/md13
格式化:mkfs.ext4 /dev/mapper/vgmd1-md13 -m0
再挂载:mount /dev/mapper/vgmd1-md13 /home/share/md13