April 26Apr 26 Hi, I currently have 2x 256GB M.2 NVME SSDs acting as a mirrored cache pool for appdata and the Docker system directory. I'm running low on space (those Plex cache/media folders get huge!) and want to switch to 2x2TB mirrored.With Unraid 7.3 supporting internal boot, it's really tempting to make the switch as I do this. I'd love to partition maybe the first 32GB for boot and leave the remaining 1.7TB for cache.Is it possible to do all of this in one shot? And what exactly would it look like? I have 3 M.2 slots (there's a 1TB that I use for temp/scratch space), so I can theoretically have one full mirrored pair running, and the other degraded, while I'm performing the migration.
April 26Apr 26 Community Expert To set up a mirrored boot pool you need 2 blank drives. So you have to move everything off the old pair to a temp location in order to put in the new and set it up as boot+data, then copy everything back.
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