snapshots contain no data.

[Ultima]

Probably means the snapshot is already mounted, have not seen
this error in any other case when mounting zfs snapshots. I'm not
too familiar with using snapdir=visible property though.

On Mon, Oct 23, 2017 at 12:30 PM, James B. Byrne <byrnejb at harte-lyne.ca>
wrote:

>
> On Mon, October 23, 2017 15:19, Ultima wrote:
> > Hello James,
> >
> > I'm not really sure what your expecting to see with ls, but I'll give
> > you some tips and hopefully it will help.
>
> The examples I could find respecting searching for a file in a
> snapshot never seemed to manage to note that one first must mount a
> snapshot before doing anything with it; and I somehow overlooked that
> significant detail in my other readings.
>
> >
> > These snapshots can be mounted like so:
> > "mount -t zfs zroot at SNAPSHOT /mnt" replace SNAPSHOT with a actual
> > snapshot, in this case something like 2017-10-10_12.10.00--14d should
> > work.
> >
>
> mount -t zfs zroot at 2017-10-10_11.10.00--14d /mnt/snapshot
> mount: zroot at 2017-10-10_11.10.00--14d: Device busy
>
> What does this mean, besides the patently obvious, and how it is
> resolved?  What I am trying to do is retrieve one file from the
> initial snapshot.
>
>
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