ZYBOのXilinuxのSDカードのリサイズ

resize2fsを使う
初期状態 ディスクがほぼ占有されている

root@localhost:~# df
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/root        1663388 1400292    159160  90% /
devtmpfs          255768       4    255764   1% /dev
none               51176     640     50536   2% /run
none                5120       0      5120   0% /run/lock
none              255864      68    255796   1% /run/shm

resize2fsを実行

root@localhost:~# resize2fs /dev/mmcblk0p2
resize2fs 1.42 (29-Nov-2011)
Filesystem at /dev/mmcblk0p2 is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
The filesystem on /dev/mmcblk0p2 is now 1923840 blocks long.

拡張できた

root@localhost:~# df
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/root        7431240 1404208   5688688  20% /
devtmpfs          255768       4    255764   1% /dev
none               51176     640     50536   2% /run
none                5120       0      5120   0% /run/lock
none              255864      68    255796   1% /run/shm