Regenerate configure.

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

diff --git a/dump/dump.8.in b/dump/dump.8.in
index 400eff20a493cc13be74367a24b576bffd34129e..4f30fabf8c9e51a18bb25c8caae60ad40ea52dea 100644 (file)
--- a/dump/dump.8.in
+++ b/dump/dump.8.in
@@ -26,11 +26,11 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"    $Id: dump.8.in,v 1.59 2006/08/01 10:22:44 stelian Exp $
+.\"    $Id: dump.8.in,v 1.63 2010/03/08 10:57:24 stelian Exp $
 .\"
 .TH DUMP 8 "version __VERSION__ of __DATE__" BSD "System management commands"
 .SH NAME
-dump \- ext2/3 filesystem backup
+dump \- ext2/3/4 filesystem backup
 .SH SYNOPSIS
 .B dump 
 [\fB\-\fIlevel#\fR]
@@ -59,7 +59,7 @@ dump \- ext2/3 filesystem backup
 [\fB\-W \fR| \fB\-w\fR]
 .SH DESCRIPTION
 .B Dump
-examines files on an ext2/3 filesystem and determines which files need to be
+examines files on an ext2/3/4 filesystem and determines which files need to be
 backed up. These files are copied to the given disk, tape or other storage
 medium for safe keeping (see the
 .B \-f 
@@ -95,7 +95,7 @@ option below). A level number above 0, incremental backup, tells
 .B dump
 to
 copy all files new or modified since the last dump of a lower level. The 
-default level is 9. Historically only levels 0 to 9 were usable in
+default level is 0. Historically only levels 0 to 9 were usable in
 dump, this version is able to understand any integer as a dump level.
 .TP
 .BI \-a 
@@ -301,7 +301,7 @@ is treated as a prefix and
 .B dump
 writes in sequence to
 .I <prefix>001, <prefix>002 
-etc. This can be useful when dumping to files on an ext2 partition, in order to
+etc. This can be useful when dumping to files on an ext2/3/4 partition, in order to
 bypass the 2GB file size limitation.
 .TP
 .BI \-n
@@ -435,7 +435,7 @@ option causes
 .B dump
 to print out, for all file systems in
 .I __DUMPDATES__ ,
-and regognized file systems in
+and recognized file systems in
 .I /etc/mtab
 and
 .IR /etc/fstab .
@@ -521,8 +521,8 @@ Always start with a level 0 backup, for example:
 This should be done at set intervals, say once a month or once every two months,
 and on a set of fresh tapes that is saved forever.
 .IP \(em
-After a level 0, dumps of active file systems are taken on a daily basis, using
-a modified Tower of Hanoi algorithm, with this sequence of dump levels:
+After a level 0, dumps of active file systems are taken on a daily basis,
+with this sequence of dump levels:
 .RS 14
 .B 3 2 5 4 7 6 9 8 9 9 ...
 .RE
@@ -535,6 +535,12 @@ set of tapes per dumped file system is used, also on a cyclical basis.
 After several months or so, the daily and weekly tapes should get rotated out
 of the dump cycle and fresh tapes brought in.
 .PP
+Another backup strategy is the Tower of Hanoi sequence, which reuses
+older tapes in a way that for newer dates the available restore points
+are more frequent, then for older dates (see
+http://en.wikipedia.org/wiki/Backup_rotation_scheme for additional
+information).
+.PP
 (The 4.3BSD option syntax is implemented for backward compatibility but is not
 documented here.)
 .SH ENVIRONMENT
@@ -599,13 +605,13 @@ correctly with either pre-0.4b34 or 0.4b34 and later versions of
 .B dump
 provided that the machine on which
 .B dump
-is run did not change timezones (which should be a fairly rare occurence).
+is run did not change timezones (which should be a fairly rare occurrence).
 .SH EXIT STATUS
 .B Dump
 exits with zero status on success. Startup errors are indicated with an exit
 code of 1; abnormal termination is indicated with an exit code of 3.
 .SH BUGS
-It might be considered a bug that this version of dump can only handle ext2/3
+It might be considered a bug that this version of dump can only handle ext2/3/4
 filesystems.  Specifically, it does not work with FAT filesystems.
 .PP
 Fewer than 32 read errors (change this with 
@@ -616,7 +622,7 @@ from dump can be parsed to look for lines that contain the text 'read error'.
 When a read error occurs,
 .B dump
 prints out the corresponding physical disk block and sector number and the
-ext2/3 logical block number. It doesn't print out the corresponing file name or
+ext2/3/4 logical block number. It doesn't print out the corresponding file name or
 even the inode number. The user has to use 
 .BR debugfs (8),
 commands
@@ -653,7 +659,7 @@ The
 backup suite was ported to Linux's Second Extended File System by Remy Card 
 <card@Linux.EU.Org>. He maintained the initial versions of 
 .B dump
-(up and including 0.4b4, released in january 1997).
+(up and including 0.4b4, released in January 1997).
 .PP
 Starting with 0.4b5, the new maintainer is Stelian Pop <stelian@popies.net>.
 .SH AVAILABILITY