Re: kern/57081: ZFS pool rolled back two years, all data lost since.

[Simon Burge <simonb%NetBSD.org@localhost>]

Taylor R Campbell wrote:

> From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
> To: roy%marples.name@localhost
> Cc: gnats-bugs%NetBSD.org@localhost
> Subject: Re: kern/57081: ZFS pool rolled back two years, all data lost since.
> Date: Fri, 11 Nov 2022 10:00:01 +0000
>
>  Yikes, seems bad!

Yeah :/

>  4. Can you share output from `zdb -e -l <vdev>' and from `zdb -e -h
>     <pool>'?

Looks like the -u option when used with the -l option will display
the contents of the uberblocks (like ffs superblocks).  There
should be four of these per device.

Cheers,
Simon.