Btrfs only has issues with raid 5. Works well for raid 1 and 0. No reason to change if it works for you
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Do you rely on snapshotting and journaling? If so backup your snapshots.
Why?
I already take backups but I'm curious if you have had any serious issues
Raid 5/6, only bcachefs will solve it
Btrfs Raid 5 and raid 6 are unstable and dangerous
Bcachefs is cool but it is way to new and isn't even part of the kernel as of yet.
I am using btrfs on raid1 for a few years now and no major issue.
It's a bit annoying that a system with a degraded raid doesn't boot up without manual intervention though.
Also, not sure why but I recently broke a system installation on btrfs by taking out the drive and accessing it (and writing to it) from another PC via an USB adapter. But I guess that is not a common scenario.