this post was submitted on 24 Jul 2025
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Are you using BTRFS as your file structure? If so, this is the little dirty secret the BTRFS fans don't like to discuss. It is well documented in the BTRFS wiki, that during power-outages/power fails, even OS errors, files become corrupt under BTRFS. I finally had enough of this happening to me (lots of power outages where I live,) and switched back to ext4, never had this issue again.
All the drives in my file server are btrfs. Is there an easy way to switch in place? I don't have enough spare space to hold everything while reformatting.
I don't think you can switch filesystems with files in place, sorry.