> (the way I'd implement this, is not by actually teaching these > commands individual multi-ESP support, but simply by implementing a > single sync_esp() call or so which syncs the relavant info from > primary to secondary ESPs correctly, and that each of these commands > just call as last step. For single-ESP setups this call would be a NOP) Just a reminder (Lennart mentioned it above, but it's worth repeating): for this purpose, 'primary' means the one that the system was booted from.