Warner Losh writes:
> In message <199704101810.EAA00848@shara.off.connect.com.au> Luke Mewburn writ
> es:
> : PS: since it uses fts(3) to find subdirs/files in that case, you can't
> : backup stuff you can't scan. However, if you have read access on the
> : disk character device, a full backup will still work. Sorry, but I have
> : no intention of writing a version of fts(3) that goes in via the character
> : device just to work around this :)
> 
> This implies that you have to have the file system mounted, right?  At
> least to use this feature.  Hopefully not for full backup, right?

A normal filesystem dump still works as per usual.

The only time the filesystem has to be mounted is if you want to take
advantage of the new functionality which allows you to specify
specific directories or files within a filesystem to backup.