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Forum Discussion
How does bitrot protection actually work?
I understand the concept, but am curious how it is actually implemented on 6.2.0
Do you guys know if using non-ECC memory with BTRFS and bitrot protection "on" has the ability to damage good data?
There has always been some discussion with ZFS that a scrub with non-ECC memory could potentially re-write the entire drive with bad data. I do not think that is true based on the method ZFS uses to replace data... it will not overwrite unless the new data iss confirmed good.
However, I do not understand the methodology for BTRFS scrubbing... is it the same as ZFS? Could a bad memory module without ECC casue the BTRFS to scrub the disk(s) with bad data?
There has always been some discussion with ZFS that a scrub with non-ECC memory could potentially re-write the entire drive with bad data. I do not think that is true based on the method ZFS uses to replace data... it will not overwrite unless the new data iss confirmed good.
However, I do not understand the methodology for BTRFS scrubbing... is it the same as ZFS? Could a bad memory module without ECC casue the BTRFS to scrub the disk(s) with bad data?
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