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Forum Discussion
Emichael
Mar 28, 2019Follower
HD Upgrade
I currently have four 4-TB drives in a RAID 5 configuration, with around 10TB of content. I am looking to replace them with larger drives (12TB). I want to verify the procedure I have in mind as be...
Sandshark
Mar 29, 2019Sensei
It's a sound plan so long as one of drives 1-3 doesn't fail during the resync of the 4th. While one does not usually expect that with new drives, most drives either fail very early or last their intended life.
StephenB
Mar 30, 2019Guru - Experienced User
Sandshark wrote:
It's a sound plan so long as one of drives 1-3 doesn't fail during the resync of the 4th.
Yes, I agree that's a risk. You could of course leave slot 4 empty, and use the fourth disk for NAS backup for now.
RAID isn't enough to keep your data safe, so you do need to consider how to back up the NAS regularly.
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