I’d like to find out before the disaster rather than after:
Scenario: I’m doing a lengthy relayout on a Drobo (1st gen for the sake of argument). It’s a long one: the Drobo’s got 8Tb of drives in it, is 2/3 full, so it takes around six days, based on experience. That’s a long time. If there’s a winter storm-generated power failure, what’s likely to happen? Will I likely lose all data? Some data? Relayout starts all over again but no data’s lost? What?
Guesses not appreciated; solid facts please.