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Assuming the second drive is always connected to the machine & on, why are you opting for that nightly sync vs. mirroring the two disks in raid1?


It's been a stupid decision at the time of the setup. Now its already there, and any attempt to change it will have to erase the drives, and this is a huge pain in the arse.


You can "convert" a single HDD drive into a RAID1 (mirror) online, without data loss or backup/restore.




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