HAMMER2 snapshots and other help

Matthew Dillon dillon at backplane.com
Wed Mar 6 12:47:02 PST 2019


Originally I wanted to be able to snapshot subdirectory trees but I could
never make it work.  Snapshots are always of the mount-point now.  The
hammer2 manual page is a bit behind in that respect.  Otherwise though the
snapshot command works as advertised.   the 'pfs-list' command lists
available snapshots.

You can mount a snapshot with <device>@LABEL, but if anything on that
device has already been mounted you can use a simple shortcut 'mount @LABEL
...' to mount the snapshot.  Snapshots are writable.  Unlike Hammer-1, in
Hammer-2 the snapshot must be mounted to access it.

-Matt
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