> How much additional margin? If you have backups, you're covered against both failure modes; the only marginal benefit would be to recover the x hours of data since your last backup.
I would wager that for 90% of people, that would be all of the data since initial power on.
How much additional margin? If you have backups, you're covered against both failure modes; the only marginal benefit would be to recover the x hours of data since your last backup.