-.\" $OpenBSD: dump.8,v 1.4 1997/02/03 11:53:24 deraadt Exp $
+.\" $OpenBSD: dump.8,v 1.5 1997/02/10 04:19:55 millert Exp $
.\" $NetBSD: dump.8,v 1.14 1996/02/05 23:59:37 mrg Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993
copy all files new or modified since the
last dump of the same or lower level.
The default level is 9.
-.It Fl B Ar records
-The number of kilobytes per volume, rounded
-down to a multiple of the blocksize.
-This option overrides the calculation of tape size
-.It Cm a
+.It Fl a
.Dq auto-size .
Bypass all tape length considerations, and enforce writing
until an end-of-media indication is returned. This fits best
drive with hardware compression (where you can never be sure about
the compression ratio).
based on length and density.
+.It Fl B Ar records
+The number of kilobytes per volume, rounded
+down to a multiple of the blocksize.
+This option overrides the calculation of tape size
.It Fl b Ar blocksize
+The number of kilobytes per dump record.
Since the IO system slices all requests into chunks of MAXBSIZE
(typically 64KB), it is not possible to use a larger blocksize
without having problems later with
Therefore
.Nm
will constrain writes to MAXBSIZE.
-.It Cm c
+.It Fl c
Change the defaults for use with a cartridge tape drive, with a density
of 8000 bpi, and a length of 1700 feet.
-The number of kilobytes per dump record.
-.It Fl c
-Modify the calculation of the default density and tape size to be more
-appropriate for cartridge tapes.
.It Fl d Ar density
Set tape density to
.Ar density .
-/* $OpenBSD: main.c,v 1.13 1997/02/04 10:06:20 deraadt Exp $ */
+/* $OpenBSD: main.c,v 1.14 1997/02/10 04:19:55 millert Exp $ */
/* $NetBSD: main.c,v 1.8 1996/03/15 22:39:32 scottr Exp $ */
/*-
usage();
obsolete(&argc, &argv);
- while ((ch = getopt(argc, argv, "0123456789B:b:cd:f:h:ns:T:uWw")) != -1)
+ while ((ch = getopt(argc, argv, "0123456789aB:b:cd:f:h:ns:T:uWw")) != -1)
switch (ch) {
/* dump level */
case '0': case '1': case '2': case '3': case '4':