Made dump accept -I 0 (unlimited read errors)

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

diff --git a/dump/dump.8.in b/dump/dump.8.in
index c92f90c3268dc512df280c3c152b2b74569efa31..cbb3177a9d46d5e0dcb375e882eb64811b3735fa 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 1.44 2002/07/24 14:12:00 stelian Exp $
+.\"    $Id: dump.8.in,v 1.47 2003/01/10 10:31:10 stelian Exp $
 .\"
 .TH DUMP 8 "version __VERSION__ of __DATE__" BSD "System management commands"
 .SH NAME
@@ -115,17 +115,16 @@ to be used by
 to determine whether a file is in the dump file that is being restored.
 .TP
 .BI \-b " blocksize"
-The number of kilobytes per dump record. Since the IO system slices all
-requests into chunks of 
+The number of kilobytes per dump record. The default blocksize is 10
+and the maximal value is 1024.
+Note however that, since the IO system slices all requests into chunks
+of 
 .B MAXBSIZE
-(typically 64kB), it is not possible to use a larger blocksize without having 
-problems later with
-.BR restore (8).
-Therefore
-.B dump
-will constrain writes to 
-.B MAXBSIZE.
-The default blocksize is 10.
+(which can be as low as 64kB), you can experience problems with
+.BR dump (8)
+and
+.BR restore (8)
+when using a higher value, depending on your kernel and/or libC versions.
 .TP
 .BI \-B " records"
 The number of 1 kB blocks per volume. Not normally required, as
@@ -192,8 +191,9 @@ this can be overridden by the environment variable
 .BR RMT .
 .TP
 .BI \-F " script"
-Run script at the end of each tape. The device name and the current volume
-number are passed on the command line. The script must return 0 if 
+Run script at the end of each tape (except for the last one). 
+The device name and the current volume number are passed on the
+command line. The script must return 0 if 
 .B dump
 should continue without asking the user to change the tape, 1 if 
 .B dump
@@ -224,6 +224,8 @@ is useful when running
 .B dump
 on an active filesystem where read errors simply indicate an inconsistency 
 between the mapping and dumping passes.
+.IP
+A value of 0 means that all read errors will be ignored.
 .TP
 .BI \-j "compression level"
 Compress every block to be written on the tape using bzlib library. This option