X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=dump%2Fdump.8.in;h=a3763a52ac352d83f7be423d94f55dceb8705231;hp=21761d56575cf1a64a62a6e124ca2b53637ff84a;hb=b8f7cbe65e70f2ec792c447995ba00ca360ec0c9;hpb=e7850aac218f2c009303b0a65903c54157139d0c diff --git a/dump/dump.8.in b/dump/dump.8.in index 21761d5..a3763a5 100644 --- 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 1.27 2001/07/18 09:50:48 stelian Exp $ +.\" $Id: dump.8.in,v 1.29 2001/07/18 13:12:33 stelian Exp $ .\" .Dd __DATE__ .Dt DUMP 8 @@ -202,7 +202,7 @@ 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. @@ -251,6 +251,18 @@ 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,