You are saying ZFS will detect and rectify this kind of corruption in a > deduped pool automatically if enough redundancy is present? Can that fail > sometimes? Under what conditions? > > I would hate to restore a 1.5TB pool from backup just because one 5MB file > is gone bust. And I have a known good copy of the file. > > I raised a technical question and you are going all personal on me. > -- > This message posted from opensolaris.org >
zfs checksums every transaction. When you access a file, it checks that the checksums match. If they do not (corruption) and you have redundancy, it repairs the corruption. It can detect and corrupt corruption in this way. It didnt' seem like anyone got "personal" with you.
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