September 29, 20241 yr I will be swapping out my current cache drive for a new setup - 2 x 2tb nvme in raid 1. What is the correct procedure for this? I have found a few differet things and want to make sure I use the correct official method so I dont screw anything up.
September 30, 20241 yr Community Expert If it is all RAID1 profile then follow the procedure documented here in the online documentation accessible via the Manual link at the bottom of the Unraid GUI. In addition every forum page has a DOCS link at the top and a Documentation link at the bottom. The Unraid OS->Manual section covers most aspects of the current Unraid release. If you are not sure then you are likely to get more informed feedback if you attach your system's diagnostics zip file to your next post in this thread. It is always a good idea to do this to allow us to see the current state of your system and so we can see logs.
September 30, 20241 yr Community Expert Solution If the current pool is a single device, you can add one of the new ones, to create a mirror, then replace the other one.
September 30, 20241 yr Author Yes single. Thanks for the replies guys. The new drives will be larger (2tb) than current one (512gb) will this still be OK? If so I will attach one new drive, let it mirror, then remove old and replace with new.
September 30, 20241 yr Community Expert 18 minutes ago, vindictive-voyeur2295 said: If so I will attach one new drive, let it mirror, then remove old and replace with new. Yes, it's fine if the new one is larger.
September 30, 20241 yr Community Expert 17 minutes ago, vindictive-voyeur2295 said: Yes single. Thanks for the replies guys. The new drives will be larger (2tb) than current one (512gb) will this still be OK? If so I will attach one new drive, let it mirror, then remove old and replace with new. Yes. When you add the first drive then it will report the usable space as being the same as the existing drive. However when you replace the existing drive as the second step in the process then available space will expand to the full size of the drive.
September 30, 20241 yr Author Great stuff, thank you. This forum has been a great help this last week becuase of you guys. Thanks agin.
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