Performing an OTA Update: Place the contents of the toFlash directory onto the update partition of the Intel Edison. Then, at the U-Boot prompt run do_ota. Or, if the system is running in multi-user mode, run as root: reboot ota.
Motivation: Currently (Yocto 2.1, Intel Edison) has an update partition of ~800MB. The Yocto toFlash directory is ~500MB, so placing it on to the update partition is no problem, allowing an OTA update through U-Boot. However, to do an OTA update using Emutex Labs' Ubilinxu is currently impossible as the Ubilinux toFlash directory is ~1.6GB.
Goal: The Intel Edison allows for an external SD card; the goal is to point the U-Boot do_load_ota_scr env variable to the external SD card instead of the eMMC update partition (mmc 0:9).