树莓派用的是8g的TF卡，想作为小型NAS有点小，存不了多少东西，于是将一个闲置的32G U盘挂载上，当作存储分区
以下为操作过程：
查看磁盘信息
[email protected] ~ $ sudo fdisk -l Disk /dev/mmcblk0: 7990 MB, 7990149120 bytes 4 heads, 16 sectors/track, 243840 cylinders, total 15605760 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000981cb Device Boot Start End Blocks Id System /dev/mmcblk0p1 8192 122879 57344 c W95 FAT32 (LBA) /dev/mmcblk0p2 122880 15605759 7741440 83 Linux Disk /dev/sda: 32.