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Do proper use of ZFS also require ECC memory?
by harikb 6y ago
Do proper use of ZFS also require ECC memory?
- roland-s 6y ago100% yes. With non-ECC you will always have bad RAM bits eventually. With ZFS this is especially bad because it can corrupt your checksums or your ZFS metadata, which means either silently corrupting your data, or corrupting ZFS itself and losing your entire zpool (akin to losing a RAID array).
- kurlberg 6y agoMaybe not: that ZFS needs ECC is "common wisdom", but the disaster scenario appears not so likely. See https://news.ycombinator.com/item?id=14207520 https://news.ycombinator.com/item?id=14207520 https://news.ycombinator.com/item?id=8293025 https://news.ycombinator.com/item?id=8293025
- denkmoon 6y agoThis is FUD perpetuated by a certain individual on the FreeNAS forum.
- pseudalopex 6y agoZFS protects you from disk errors. ECC protects you from memory errors. Using one or the other is safer than using neither. Using both together is even safer.