We've got a Mac Pro (2012) that we use (mostly) as a file server. It's a local back up for dropbox files that we keep in a Raid 1 volume. Our Raid 1 array is 2 disks.

Over time we've added larger drives than we started the Raid array with. It was 2TB but we've replaced the original drives with 4TB drives. However, we are obviously only getting 2TB of space out of our 2 - 4TB drives.

I believe there is no simple and easy way to expand the raid volume. Anyone have a tried and true method for expanding the RAID volume? We don't have a Raid Card, FYI.


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