Comment by bbatha
6 years ago
> you really need ECC RAM to run ZFS
This is FUD. ZFS does as well, if not better than the average file system with its focus on integrity, online scrubs etc. On the other hand "use ECC RAM" is standard best practices for any mission critical data, no file system magic is going to fix computer RAM lying to you 100% of the time. Its the standard recommendation for ZFS because its rare to be deployed in environments that can tolerate data corruption.
> pathologically backing it up and testing said backups.
ZFS doesn't remove the need for backups and no one seriously makes that arguments. Though snapshots + send/receive make them very easy to do in ZFS.
I've detected broken memory chips thanks to BTRFS checksumming finding errors, luckily before it had a chance to corrupt any written data. So if anything, a properly checksummed filesystem makes non-ECC RAM less dangerous.