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Forum Discussion
ScottChapman
Dec 10, 2014Apprentice
How does bitrot protection actually work?
I understand the concept, but am curious how it is actually implemented on 6.2.0
mdgm-ntgr
Feb 23, 2015NETGEAR Employee Retired
Actually I enquired with one of our product engineers and had a clarification:
If there is a filesystem checksum mismatch, we try to re-assemble that RAID stripe in different ways until we get a checksum match. If we never get a checksum match, we give up and inform the user that we detected an error but couldn't correct it, as you've seen reported elsewhere. We never generate data to make the data match the checksum. It's about as safe as it can get.
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