Re: Troubleshoot help needed - RAID1 not mounting : failed to read block groups

[Nouts <nouts@protonmail.com>]

Well, I changed my mind. I'll wait a few more days, for the beginning of the next week, if you have any magical command left :)
I'm not sure to understand it but can a "restore" command dump all of the data in a new readable disc ?




‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Saturday, May 2, 2020 4:55 PM, Nouts <nouts@protonmail.com> wrote:

> For the record, I ran check and check --repair with the new btrfs-progs. Both returned this error :
>
> Opening filesystem to check...
> ERROR: child eb corrupted: parent bytenr=5923702292480 item=2 parent level=2 child level=0
> ERROR: failed to read block groups: Input/output error
> ERROR: cannot open file system
>
> I'm gonna wipe the drive and restore a backup as I've lost hope recovering and can't wait any longer.
> Thanks a lot for your help !
>
> Nouts
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Thursday, April 30, 2020 9:18 PM, Chris Murphy lists@colorremedies.com wrote:
>
> > On Thu, Apr 30, 2020 at 1:05 PM Nouts nouts@protonmail.com wrote:
> >
> > > Here is the dump --follow : https://pastebin.com/yx13mDfB
> > > Sadly, none of "mount" worked.
> >
> > Yep. I can't tell from the check error or the dump output, whether
> > it's worth trying chunk recover again with the latest progs, or check
> > with --repair. But either of those makes changes to the file system,
> > so best to get advice from a developer first and in the meantime
> > refresh backups.
> > I don't know that a newer kernel will help in this case, because even
> > the latest progs complains. And the output from check doesn't give
> > enough information to know what to try next or if it's hopeless.
> >
> > Chris Murphy