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Responding to ext4 journal corruptionResponding to ext4 journal corruptionPosted Jun 5, 2008 18:35 UTC (Thu) by anton (guest, #25547)Parent article: Responding to ext4 journal corruption I believe in the superiority of copy-on-write file systems over journaling file systems, but problems such as the one discussed can happen in copy-on-write file systems like Btrfs, too, unless they are carefully implemented; i.e., they must not reuse freed blocks until one or two checkpoints have made it to the disk (two, if you want to survive if the last checkpoint becomes unreadable).
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