Expand the partition to use all SD card space

expand_openelec_storage.sh

SSH in as root, by default you’re in /storage; switch to root partition:

$ cd /
Keep XBMC from restarting:

$ touch /var/lock/xbmc.disabled
Stop XBMC, so we can unmount /storage:

$ killall -9 xbmc.bin
$ umount /storage
Verify mounts:

$ mount
$ parted /dev/mmcblk0
In parted, change to sectors display:

$ unit s
Show partitions, make note of starting sector of your partition:

$ p
Remove the partition:

$ rm 2
Re-create it, using same starting sector number and ending in "-1" to use remaining space:

$ mkpart primary 258048 -1
$ quit parted
$ e2fsck -f /dev/mmcblk0p2
$ resize2fs /dev/mmcblk0p2
$ mount /dev/mmcblk0p2 /storage
$ df -h
$ rm /var/lock/xbmc.disabled
XBMC will start up again on its own.