May 3, 20233 yr Hello. I am currently attempting to switch from Synology to Unraid and have run into an issue. I'm trying to add a 2.5" SSD for Docker storage only. Plan was to buy the adapter tray, slap it in, make sure all shares are set to exclude the SSD while the Docker share only uses that disk. However, when I go to assign that device to the array, it won't let me start the array, saying "Invalid Expansion". I have: 2 x 1TB Intel NVMe in a cache pool 2 x 14TB WD mechanical drives for parity 2 x 10TB WD mechanical drives for data (will be adding 2 more once migration is done) 1 x Samsung 850 Evo that I had laying around that I'm trying to add as the SSD for Docker storage I have read that you shouldn't put SSDs in the array, although Unraid will let you do it. It messes with parity? Why can't I just add it and back it up myself? Is there a way to accomplish what I want to do with Unraid?
May 3, 20233 yr Community Expert Solution Create another pool and put the SSD there https://wiki.unraid.net/Manual/Storage_Management#Multiple_Pools
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