At 11/21/2016 08:09 PM, bepi@xxxxxxxx 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
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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