Linked by Thom Holwerda on Fri 6th Nov 2009 23:42 UTC, submitted by poundsmack
"There is a discussion at osnews.com about a simple question: "Should ZFS Have a fsck Tool?". The answer is simple: No. I could stop now, as this answer is pretty obvious when you work a while with ZFS, but i want to explain my position. And i want to ask a different question at the end."
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Member since:
2006-01-11
... is that ZFS needs a recovery tool, but that rather than try to repair damage, it should instead find the last valid snapshot and make that snapshot be the current state. However, to do that the tool needs to be able to do enough consistency checks to determine which snapshots are valid. So it does file system checking, and it does recovery. Sounds like fsck. The only distinction is that it doesn't try to rewrite a bad state into a consistent state.