more little fixes

rman_logs.ksh

@@ -62,15 +62,31 @@ fi
 
 echo Running RMAN with log to $RMAN_LOG
 
-allocate=""
-release=""
-i=0
-while [ $i -lt $numChannels ]; do
-	allocate="$allocate allocate channel 'c$i' device type disk format '$MOUNTPOINT/c$i/%U';"
-	release="$release release channel c$i;"
-	i=$(expr $i + 1)
-done
-channel0="$MOUNTPOINT/c0"
+# Default RMAN channels per mount if not set
+RMAN_CHANNELS_PER_MOUNT=${RMAN_CHANNELS_PER_MOUNT:-1}
+
+total_channels=$(expr $numChannels \* $RMAN_CHANNELS_PER_MOUNT)
+
+if [ $total_channels -eq 1 ]; then
+	allocate="allocate channel 'ch1' device type disk format '$MOUNTPOINT/%U';"
+	release="release channel ch1;"
+	channel0="$MOUNTPOINT"
+else
+	allocate=""
+	release=""
+	i=0
+	while [ $i -lt $numChannels ]; do
+		j=0
+		while [ $j -lt $RMAN_CHANNELS_PER_MOUNT ]; do
+			suffix=$(echo $j | tr '0123456789' 'abcdefghijklmnopqrstuvwxyz')
+			allocate="$allocate allocate channel 'c${i}${suffix}' device type disk format '$MOUNTPOINT/c$i/%U';"
+			release="$release release channel c${i}${suffix};"
+			j=$(expr $j + 1)
+		done
+		i=$(expr $i + 1)
+	done
+	channel0="$MOUNTPOINT/c0"
+fi
 
 
 # RMAN Part Here