Makes dump abort (-q option) whenever it needs operator attention.

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

diff --git a/dump/dump.8.in b/dump/dump.8.in
index 5d16fc77d53182fc3d6152c1b85cea63ecf0ecce..206356b7658e6c10ceccb8e6ed4536049298b94c 100644 (file)
--- a/dump/dump.8.in
+++ b/dump/dump.8.in
@@ -30,7 +30,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"    $Id: dump.8.in,v 1.26 2001/04/10 13:42:22 stelian Exp $
+.\"    $Id: dump.8.in,v 1.31 2001/08/16 09:37:59 stelian Exp $
 .\"
 .Dd __DATE__
 .Dt DUMP 8
@@ -40,11 +40,12 @@
 .Nd ext2 filesystem backup
 .Sh SYNOPSIS
 .Nm dump
-.Op Fl 0123456789ackMnSu
+.Op Fl 0123456789ackMnqSu
 .Op Fl B Ar records
 .Op Fl b Ar blocksize
 .Op Fl d Ar density
-.Op Fl e Ar inode number
+.Op Fl e Ar inode numbers
+.Op Fl E Ar file
 .Op Fl f Ar file
 .Op Fl F Ar script
 .Op Fl h Ar level
@@ -117,7 +118,8 @@ The default level is 9.
 .It Fl B Ar records
 The number of 1 kB blocks per volume.
 This option overrides the end-of-media detection, and calculation 
-of tape size based on length and density.
+of tape size based on length and density. If compression is on this
+limits the size of the compressed output per volume.
 .It Fl a
 .Dq auto-size .
 Bypass all tape length calculations, and write
@@ -140,12 +142,21 @@ The default blocksize is 10.
 Change the defaults for use with a cartridge tape drive, with a density
 of 8000 bpi, and a length of 1700 feet. Specifying a cartridge drive
 overrides the end-of-media detection.
-.It Fl e Ar inode
+.It Fl e Ar inodes
 Exclude 
-.Ar inode
-from the dump (you can use 
+.Ar inodes
+from the dump. The
+.Ar inodes
+parameter is a comma separated list of inode numbers (you can use
 .Ar stat 
 to find the inode number for a file or directory).
+.It Fl E Ar file
+Read list of inodes to be excluded from the dump from the text file
+.Ar file .
+The file 
+.Ar file
+should be an ordinary file containing inode numbers separated by
+newlines.
 .It Fl h Ar level
 Honor the user
 .Dq nodump
@@ -201,7 +212,7 @@ The script must return 0 if
 .Nm
 should continue without asking the user to change the tape, 1 if 
 .Nm
-dump should continue but ask the user to change the tape. 
+should continue but ask the user to change the tape. 
 Any other exit code will cause
 .Nm
 to abort.
@@ -242,6 +253,11 @@ notify all operators in the group
 .Dq operator
 by means similar to a
 .Xr wall 1 .
+.It Fl q
+Make
+.Nm
+abort immediately whenever operator attention is required,
+without prompting in case of write errors, tape changes etc.
 .It Fl Q Ar file
 Enable the Quick File Access support. Tape positions for each
 inode are stored into the file
@@ -250,6 +266,18 @@ which is used by restore (if called with parameter Q and the filename)
 to directly position the tape at the file restore is currently working
 on.  This saves hours when restoring single files from large backups,
 saves the tapes and the drive's head.
+.Pp
+It is recommended to set up the st driver to return logical tape 
+positions rather than physical before calling dump/restore with 
+parameter Q.  Since not all tape devices support physical tape 
+positions those tape devices return an error during dump/restore when
+the st driver is set to the default physical setting.
+Please see the st man page, option MTSETDRVBUFFER, or the mt man
+page, on how to set the driver to return logical tape positions.
+.Pp
+Before calling restore with parameter Q, always make sure the st
+driver is set to return the same type of tape position used during the 
+call to dump. Otherwise restore may be confused.
 .It Fl s Ar feet
 Attempt to calculate the amount of tape needed at a particular density.
 If this amount is exceeded,
@@ -483,6 +511,8 @@ Each reel requires a new process, so parent processes for
 reels already written just hang around until the entire tape
 is written.
 .Pp
+The estimated number of tapes is not correct if compression is on.
+.Pp
 It would be nice if
 .Nm
 knew about the dump sequence,