Question. Could I swap two pairs of HDDs in the NAS?

I recently purchased a My Cloud Mirror, my first NAS. and I have a question around my head that I wish someone could answer.
Could I have 2 pairs of disks and swap them in pairs? Could this work?
Thank you


You can swap one drive at a time only if you have Raid 1. Every time you swap the disk it will rebuild the Raid.

If you are asking this because you want to have a backup of the drive then I recommend doing a backup to a USB drive.

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