Re: Possible to undo subvol delete?

[Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>]

Hi,

(2014/11/30 12:33), Shriramana Sharma wrote:
> IIUC with BtrFS while it is possible to easily undelete a file or
> ordinary directory if a snapshot of the containing subvol exists, it
> seems that it's not elementary to undelete a subvol itself, because
> all subvols are under the root-level subvol (id 0 or 5, see my other
> q) but even snapshotting the root subvol will not snapshot any subvols
> under it.
>
> So is there any way to undo a subvol delete?
>
> [If no, then ordinary users should probably prefer regular directories
> to subvols.]
>

One solution is using snapper instead of using btrfs directly.
Snapper can automatically take a snapshot just before
taking/deleting snapshots. So, if you delete a snapshot
by mistake, it's still alive.

For more information, please refer to the following URLs.

https://en.opensuse.org/Portal:Snapper
http://events.linuxfoundation.org/sites/events/files/slides/LinuxCon_Europe_2014_Full_system_rollback_btrfs_snapper_0.pdf

Thanks,
Satoru