Re: FreeBSD Errata Notice FreeBSD-EN-22:21.zfs

From: Thomas Zander <>
Date: Wed, 02 Nov 2022 20:57:00 UTC
On Wed, 2 Nov 2022 at 15:12, Jonathan Vasquez <> wrote:
> I spoke to Richard today, and asked him your question on your behalf. He said the following:
> "Most of the time, the issue does not go to disk. When it does they are not well understood yet. He would probably know if it did since things could go horribly wrong, but if he wants to try to be sure, he could try using zdb -bcc ... to try to verify certain things about his pool, but again, the results of undefined behavior in the btree code is not well understood. It is a very complex thing to analyze and I have not had time to do that. There are a couple of bug reports in GitHub that I suspect are related, but cannot prove currently."

OK, cool, thanks for updating us on the current knowledge of the bug.
Appreciate it!