RAID Parameters - ZAR/UFS Recovery

My Cloud OS 3 Personal & Network Attached Storage My Cloud Pro Series
2

I’d recommend to spin up a linux distro (e.g. Ubuntu live ISO if you don’t want to install anything) and use mdadm…
But I looked up ZAR and it should be able to detect the following:

  • each disk has a GPT partition table
  • each second partition is a member of a RAID5 array (you had 18TB available, right?)
  • the file system on the array is ext4

Here’s the steps I used: