Manual Pages  — ZFS-DIFF

zfs-diff – show difference between ZFS snapshots

SYNOPSIS DESCRIPTION EXAMPLES Example 1: Showing the differences between a snapshot and a ZFS Dataset SEE ALSO

zfs diff [-FHth] snapshot snapshot|filesystem

Display the difference between a snapshot of a given filesystem and another snapshot of that filesystem from a later time or the current contents of the filesystem. The first column is a character indicating the type of change, the other columns indicate pathname, new pathname (in case of rename), change in link count, and optionally file type and/or change time. The types of change are:

-	The path has been removed
+	The path has been created
M	The path has been modified
R	The path has been renamed

-F
	Display an indication of the type of file, in a manner similar to the -F option of ls(1).
B	Block device
C	Character device
/	Directory
>	Door
|amp;	Named pipe
@	Symbolic link
P	Event port
=	Socket
F	Regular file

-H	Give more parsable tab-separated output, without header lines and without arrows.
-t	Display the path's inode change time as the first column of output.
-h	Do not \0ooo-escape non-ASCII paths.

The following example shows how to see what has changed between a prior snapshot of a ZFS dataset and its current state. The -F option is used to indicate type information for the files affected.

# zfs
M       /       /tank/test/
M       F       /tank/test/linked      (+1)
R       F       /tank/test/oldname -> /tank/test/newname
-       F       /tank/test/deleted
+       F       /tank/test/created
M       F       /tank/test/modified