Re: FreeBSD Errata Notice FreeBSD-EN-23:16.openzfs

Hello,

`zpool scrub` will not catch this issue as the corruption did not happen on disk.

Solutions are being researched on the OpenZFS GitHub issue tracker regarding pools which may have already experienced the issue.

Cheers,
Alex
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Dec 2, 2023 11:37:37 Thomas Zander <riggs@freebsd.org>:

> On Fri, Dec 01, 2023 at 03:17:37AM +0000, FreeBSD Errata Notices wrote:
> 
>> Topic:          OpenZFS data corruption
>> ...
>> I.   Background
>> II.  Problem Description
>> III. Impact
>> IV.  Workaround
>> V.   Solution
> 
> IMHO, what is missing between sections III and IV when the bug is about
> persistency (file systems, data storage, file format conversion, ...)
> is a subsection "Is there a way to find out which files are affected?"
> 
> For eaxmple, in the case of ZFS, it would be helpful to answer "Will
> 'zpool scrub' find and / or repair affected files?"
> 
> There will be cases (this one? I don't know. Anyone?) in which the
> answer is unfortunately "Nope, sorry.", but this would still be helpful
> information, since it would save people from browsing the net for
> hours, looking for an answer to that question.
> 
> Thanks for considering for future errata
> Riggs