Re: [CORRUPTION FILESYSTEM] Corrupted and unrecoverable file system during the snapshot receive

[bepi@adria.it]

> 
> 
> At 11/21/2016 08:09 PM, bepi@adria.it wrote:
> > Hi.
> >
> > My system: Fedora 23, kernel-4.7.10-100.fc23.x86_64
> btrfs-progs-4.4.1-1.fc23.x86_64
> >
> > Testing the remote differential receive (via ssh and in local network) of
> 24
> > sequential snapshots, and simultaneously deleting the snapshot, (in the
> same
> > file system, but in a different subvolume), there has been an file access
> error,
> > and the file system has corrupt.
> 
> Are you using qgroup?
> 
> IIRC, Filipe fixed a problem which could cause backref corruption which 
> only happens if quota is enabled.
> 
> Thanks,
> Qu


Unfortunately not.

I read that thread (and others), but no one it seemed like my case.


To you (Thanks).


Gdb


> 
> >
> > Both scrub, both recovery and clear_cache mount options, both btrfsck,
> have
> > failed, the file system is left in a state unusable.
> >
> > After reformatting the filesystem, remote receive of 24 snapshots worked
> properly.
> >
> > The file system is used exclusively for receive the snapshot, it is
> composed of
> > a single device.
> > The initial snapshot is a linux installation of 50Gb.
> >
> >
> > I think that there was a race condition between the receive and deletion
> of
> > snapshots (that were performed on two different subvolume).
> >
> >
> > Best regards.
> >
> > gdb
> >
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> 
> 
> 




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