Small man page improvement regarding the dump levels specification.

[dump.git] / dump / dump.8.in

diff --git a/dump/dump.8.in b/dump/dump.8.in
index a6bf3f0805ac5ba1e84ca5b56511dee660ade92a..400eff20a493cc13be74367a24b576bffd34129e 100644 (file)
--- a/dump/dump.8.in
+++ b/dump/dump.8.in
@@ -26,7 +26,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"

-.\"    $Id: dump.8.in,v 1.57 2004/07/13 08:17:32 stelian Exp $
+.\"    $Id: dump.8.in,v 1.59 2006/08/01 10:22:44 stelian Exp $

 .\"
 .TH DUMP 8 "version __VERSION__ of __DATE__" BSD "System management commands"
 .SH NAME
 .\"
 .TH DUMP 8 "version __VERSION__ of __DATE__" BSD "System management commands"
 .SH NAME


@@ -87,8 +87,9 @@ The following options are supported by
 .B dump:
 .TP
 .BI \-level#
 .B dump:
 .TP
 .BI \-level#

-The dump level (any integer). A level 0, full backup, guarantees the
-entire file system is copied (but see also the
+The dump level (any integer). A level 0, full backup, specified by
+.B \-0
+guarantees the entire file system is copied (but see also the

 .B \-h
 option below). A level number above 0, incremental backup, tells
 .B dump
 .B \-h
 option below). A level number above 0, incremental backup, tells
 .B dump


@@ -283,6 +284,12 @@ Inodes which are either directories or have been modified since the last dump
 are saved in a regular way. Uses of this flag must be consistent, meaning that
 either every dump in an incremental dump set have the flag, or no one has it.
 .IP
 are saved in a regular way. Uses of this flag must be consistent, meaning that
 either every dump in an incremental dump set have the flag, or no one has it.
 .IP

+If you use this option, be aware that many programs that unpack
+files from archives (e.g. tar, rpm, unzip, dpkg) may set files'
+mtimes to dates in the past.  Files installed in this way may not be
+dumped correctly using "dump -m" if the modified mtime is earlier
+than the previous level dump.
+.IP

 Tapes written using such 'metadata only' inodes will not be compatible with the
 BSD tape format or older versions of
 .B restore.
 Tapes written using such 'metadata only' inodes will not be compatible with the
 BSD tape format or older versions of
 .B restore.