mkbak_media: Add file and block number to lib csv

mkbak_media.sh

@@ -37,16 +37,20 @@ fi
 info "Backing up new directories to $MEDIA_ID in $DEV."
 
 if [ ! -f "$LIB" ]; then
-	echo "Directory;Media ID;Date" > $LIB
+	echo "Directory;Media ID;File;Block;Date" > $LIB
 fi
 
 info "Configuring tape drive"
-# mt-st -f $DEV stsetoptions scsi2logical
+mt-st -f $DEV stsetoptions scsi2logical
 mt-st -f $DEV compression 0
 
 if [ "$MODE" == "append" ]; then
-	info "Moving tape to end..."
+	info "Append to end of data? [ctrl+c to cancel]"
+	read a
 	mt-st -f $DEV eod
+elif [ "$MODE" == "here" ]; then
+	info "Appending to tape at current position. This may overwrite existing data. Are you sure? [ctrl+c to cancel]"
+	read a
 else
 	warn "Rewinding tape. This will delete all existing data on tape. Are you sure? [ctrl+c to cancel]"
 	read a
@@ -74,13 +78,15 @@ for dir in *; do
 		continue;
 	fi
 	info "Appending $dir to tape ($lsize MB, $rsize MB available)"
+	fileno=`mt-st -f $DEV status | sed -n 's/File number=\([0-9]\+\).*/\1/p'`
+	block=`mt-st -f $DEV tell | sed -n 's/.*At block \([0-9]\+\).*/\1/p'`
 	tar cvO "$dir" | dd of=$DEV bs=512k
 	if [ $? -ne 0 ]; then
 		err "An error occured writing the backup to tape. Aborting."
 		exit
 	fi
 	date=`date`
-	echo "$dir;$MEDIA_ID;$date" >> $LIB
+	echo "$dir;$MEDIA_ID;$fileno;$block;$date" >> $LIB
 done
 
 info "Rewinding and ejecting tape"