February 1, 20242 yr Hi all! Massive noob here. First build and when creating the array and starting it, I had to choose to format the drives as they were formatted to another FS. After this was done, both the HDDs have tons of space used and the SSD Cache pool (2TB + 1TB) only shows 1.5 TB of total space? Is this expected? I know there's no parity. I will be adding in due time!
February 1, 20242 yr Community Expert The default for a multi-drive BTRFS pool is RAID1 for redundancy. The actual usable space will be that of the smaller drive as BTRFS reports it incorrectly for drives of different sizes. If you do not want redundancy then you can switch the pool to using the ‘single’ profile and then all 3TB will be available.
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