4 ms·
i've heard people say this, like i said, since before i started using zfs and i've never had an issue with a corrupted file. there's a few things that could be
by coconut08 2y ago
i've heard people say this, like i said, since before i started using zfs and i've never had an issue with a corrupted file. there's a few things that could be happening: i'm the luckiest person who has ever lived, these bit flip events don't happen nearly as often as people like to pretend they do, or when they do happen they aren't likely to be a big deal.
- EvanAnderson 2y agoI have some JPEGs with bit flips. I could tell because they display ugly artifacts at the point of the bit flip. (You can see the kind of artifacts I'm talking about here: https://xn--andreasvlker-cjb.de/2024/02/28/image-formats-bitflips/ https://xn--andreasvlker-cjb.de/2024/02/28/image-formats-bit...) I'd happened to archive the files to CD-R's incidentally. I was able to compare those archived files to the ones that remained on my file server. There were bit flips randomly in some of the files. After that happened I started hashing all of my files and comparing hashes when I migrate files during server upgrades. Prior to using ZFS I also periodically verified file hashes with a cheapo Perl script.
- iforgotpassword 2y agoIf all you have on your Nas is pirated movies, then yes > when they do happen they aren't likely to be a big deal. But with more sensitive data it might matter to you. Ram can go bad like hdds can, and without ecc you have no chance of telling. Zfs won't help you here if the bit flip happens in the page cache. The file will corrupt in ram and Zfs will happily calculate a checksum for that corrupted data and store that alongside the file.