I have a disk image on a non-raid btrfs filesystem on top of a bcache device(*) that has 5 of these data checksum errors: You can't btrfs send that subvolume, but you should still be able to do a raw ...

ok, WTF?<br><br>I powered up my slightly modified secondary rig, after reinstalling the CPU and after if had been off for the last month.<br><br ...