To view the RAID profile, you need to run the following command.
# btrfs filesystem df <mount_point> $ btrfs filesystem df /media/MyMirrorDisks Data, RAID1: total=256.00MiB, used=128.00KiB System, RAID1: total=8.00MiB, used=16.00KiB Metadata, RAID1: total=256.00MiB, used=112.00KiB GlobalReserve, single: total=3.25MiB, used=0.00B
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