October 23, 2025Oct 23 HiI just installed unraid on a terramaster f4-424 it works great so far.I got a challenge, I have a qnap thats fixed but not sure how long can be weeks or months before it fails again.That nas had a raid 5 of 3 4tb disks.Most of the data is backuped to the cloud.I removed one 4TB disk from the raid 5 array and did put that as single drive in an array. Then I got a second 3TB drive, I want to add that to the array aswell no.parity yet. But the 7TB would be enough to copy the data from the qnap to the terrastation. When I finished the copy can I remove the other two 4TB disks from my qnap and add them to the array aswell and configure one as parity disk without losing data ? Or must the whole array be formatted again? I am using btrfs on the array. Edited October 23, 2025Oct 23 by rene72
October 23, 2025Oct 23 Community Expert 1 hour ago, rene72 said:When I finished the copy can I remove the other two 4TB disks from my qnap and add them to the array aswell and configure one as parity disk without losing data ?You can.
October 23, 2025Oct 23 Author 23 minutes ago, JorgeB said:You can.Thanks fingers crossed until copy is done
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