I probably should have mentioned that the command to grow after replacing each of the siz 2TB HDDs with 3TB HDDs one-by-one, I used the following command to grow the array:
sudo mdadm --grow --size=max /dev/md1
I probably should have mentioned that the command to grow after replacing each of the siz 2TB HDDs with 3TB HDDs one-by-one, I used the following command to grow the array:
sudo mdadm --grow --size=max /dev/md1