2014-07-17, 20:30
If your 'storage' volume is on USB, you don't need the ext4 'storage' partition on the card, so you don't need to format with UNIX/Linux tools.
You can just format a/the SD card with a FAT32 'system' partition of whatever size you want, and restore the files from your existing 'system' partition.
You can just format a/the SD card with a FAT32 'system' partition of whatever size you want, and restore the files from your existing 'system' partition.