3 ms·
The fact that you're dealing with silent corruption does not make it any better, but in fact, much worse. And yes, the corruption is there. DRAM is alarmingly
by snvzz 3y ago
The fact that you're dealing with silent corruption does not make it any better, but in fact, much worse.
And yes, the corruption is there. DRAM is alarmingly unreliable. Because no ECC, we just do not notice it most of the time, or misattribute the problems it causes.
- qwertox 3y agoIf you're unlucky you get into mode with ZFS where every scrub corrupts more and more data, while ZFS itself thinks that all is OK because it computes the checksum on the data it just corrupted while scrubbing. See https://www.truenas.com/community/threads/ecc-vs-non-ecc-ram-and-zfs.15449/ https://www.truenas.com/community/threads/ecc-vs-non-ecc-ram...