Re: [PATCH] Load FCP modules early for CD/DVD install (#184648)

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David Cantrell wrote:
Load the SCSI modules earlier for CD/DVD installs on s390.  Also,
always set up the network interface because you still need that
to ssh in and run loader.
---
 loader/linuxrc.s390 |  536 +++++++++++++++++++++++++--------------------------
 1 files changed, 267 insertions(+), 269 deletions(-)


<Ugh> this one is large, I can not find anything obviously wrong, but I'm no expert on this area :)

Regards,

Hans


diff --git a/loader/linuxrc.s390 b/loader/linuxrc.s390
index 08d5755..2643ffe 100644
--- a/loader/linuxrc.s390
+++ b/loader/linuxrc.s390
@@ -254,8 +254,6 @@ if [ -n "$CMSDASD" -a -n "$CMSCONFFILE" ]; then
    source /tmp/$CMSCONFFILE #2>/dev/null
 fi
-do_net_install="yes"
-
 if [ -r /sys/firmware/ipl/ipl_type ]; then
 	if [ "`cat /sys/firmware/ipl/ipl_type`" = "fcp" ]; then
 		while [ 1 ]; do
@@ -265,17 +263,19 @@ if [ -r /sys/firmware/ipl/ipl_type ]; then
 			case $do_cd_install in
 				y|Y|[Yy][Ee][Ss])
 					# set up FCP cdrom here
+					insert_module qdio$LO
+					insert_module scsi_mod$LO
+					insert_module scsi_transport_fc$LO
+					insert_module zfcp$LO
 					CD_DEVICE="`cat /sys/firmware/ipl/device`"
 					WWPN="`cat /sys/firmware/ipl/wwpn`"
 					LUN="`cat /sys/firmware/ipl/lun`"
 					echo 1 > /sys/bus/ccw/drivers/zfcp/$CD_DEVICE/online
 					echo $WWPN > /sys/bus/ccw/drivers/zfcp/$CD_DEVICE/port_add
 					echo $LUN > /sys/bus/ccw/drivers/zfcp/$CD_DEVICE/$WWPN/unit_add
-					do_net_install="no"
 					break
 					;;
 				n|N|[Nn][Oo])
-					do_net_install="yes"
 					break
 					;;
 				*)
@@ -289,273 +289,271 @@ if [ -r /sys/firmware/ipl/ipl_type ]; then
 	fi
 fi
-if [ "$do_net_install" = "yes" ]; then
-	# Perform a network installation
-	# Check for missing parameters, prompt for them if necessary
-	while [ -z "$NETTYPE" ]; do
-	   echo $"Which kind of network device do you intend to use"
-	   echo $"  (e.g. ctc, iucv, qeth, lcs)."
-	   echo $"Enter 'qeth' for OSA-Express Fast Ethernet, Gigabit Ethernet"
-	   echo $"  (including 1000Base-T), High Speed Token Ring, and ATM "
-	   echo $"  (running Ethernet LAN emulation) features in QDIO mode."
-	   echo $"Enter 'lcs' for OSA­2 Ethernet/Token Ring, OSA-Express Fast Ethernet in"
-	   echo $"  non-QDIO mode, OSA-Express High Speed Token Ring in non-QDIO mode and"
-	   echo $"  Gigabit Ethernet in non-QDIO mode."
-		read NETTYPE
-	done
-	if [ "$NETTYPE" != "iucv" ]; then   # iucv is the only interface without ccw config
-	   if [ -n "$CHANDEV" ]; then
-			echo
-			echo $"The CHANDEV variable isn't used anymore, please update your "
-			echo $".parm or the .conf file"
-			echo
-		fi
-	   while [ -z "$SUBCHANNELS" ]; do
-			echo $"Enter the bus ID and the device number of your CCW devices."
-			echo $"CTC/ESCON and LCS need two subchannels:"
-			echo $"(e.g. \"0.0.0600,0.0.0601\" will configure the CTC or ESCON interface"
-			echo $"with the subchannels 0x600 and 0x601)"
-			echo $"QETH needs three subchannels p.e. 0.0.0300,0.0.0301,0.0.0302"
-			read SUBCHANNELS
-	   done
-		SUBCHANNELS=`echo $SUBCHANNELS | /sbin/busybox tr ABCDEF abcdef`
-		if [ "$NETTYPE" = "qeth" ]; then
-			if [ -z "$PORTNAME" ]; then
-				echo $"Portname of the OSA-Express feature in QDIO mode and z/VM Guest LAN"
-				echo $"This parameter is optional with z/VM 4.4.0 or z/VM 4.3.0 with"
-				echo $"APARs VM63308 and PQ73878"
-				echo $"Press enter if you don't want to enter a portname"
-				read PORTNAME
-			fi
-			if [ -z "$LAYER2" ]; then
-				echo $"Enter the mode of operation for the OSA device"
-				echo $"0 for layer 3 mode (default)"
-				echo $"1 for layer 2 mode"
-				read LAYER2
-			fi
-			if [ "$LAYER2" == 1 ]; then
-			   if [ -z "$VSWITCH" -o "$VSWITCH" == 0 ]; then
-			      if [ -z "$MACADDR" ]; then
-				   echo $"Enter a unique MAC address (eg. 02:00:00:00:00:00)."
-				   echo $"Leave this blank and press enter if connecting to a"
-				   echo $"Layer 2 VSWITCH, as this is automatically assigned"
-				   read MACADDR
-			      fi
-			   fi
-			fi
-	   fi
+# Perform a network installation
+# Check for missing parameters, prompt for them if necessary
+while [ -z "$NETTYPE" ]; do
+   echo $"Which kind of network device do you intend to use"
+   echo $"  (e.g. ctc, iucv, qeth, lcs)."
+   echo $"Enter 'qeth' for OSA-Express Fast Ethernet, Gigabit Ethernet"
+   echo $"  (including 1000Base-T), High Speed Token Ring, and ATM "
+   echo $"  (running Ethernet LAN emulation) features in QDIO mode."
+   echo $"Enter 'lcs' for OSA­2 Ethernet/Token Ring, OSA-Express Fast Ethernet in"
+   echo $"  non-QDIO mode, OSA-Express High Speed Token Ring in non-QDIO mode and"
+   echo $"  Gigabit Ethernet in non-QDIO mode."
+	read NETTYPE
+done
+if [ "$NETTYPE" != "iucv" ]; then   # iucv is the only interface without ccw config
+   if [ -n "$CHANDEV" ]; then
+		echo
+		echo $"The CHANDEV variable isn't used anymore, please update your "
+		echo $".parm or the .conf file"
+		echo
 	fi
- - while [ -z "$HOSTNAME" -o "$HOSTNAME" = "(none)" ]; do
-		echo $"Enter the FQDN of your new Linux guest (e.g. s390.redhat.com):"
-		read HOSTNAME
-	done
-	while [ -z "$IPADDR" ]; do
-	  echo $"Enter a valid IP address of your new Linux guest:"
-	  read IPADDR
-	  checkip $IPADDR
-	  ret=$?
-	  if [ $ret -eq 1 ]; then
-	    echo -n "Invalid IP address format. "
-	    unset IPADDR
-	  fi
-	done
-	while [ -z "$NETWORK" ]; do
-	  echo $"Enter a valid network address of the new Linux guest:"
-	  read NETWORK
-	  checkip $NETWORK
-	  ret=$?
-	  if [ $ret -eq 1 ]; then
-	    echo -n "Invalid network address format. "
-	    unset NETWORK
-	  fi
-	done
-	if [ "$NETTYPE" = "qeth" ] || [ "$NETTYPE" = "lcs" ]; then
-		 while [ -z "$NETMASK" ]; do
-			  echo $"Enter the netmask for the new Linux guest (e.g. 255.255.255.0):"
-			  read NETMASK
-			  checkip $NETMASK
-			  ret=$?
-			  if [ $ret -eq 1 ]; then
-			    echo -n "Invalid netmask format. "
-			    unset NETMASK
-			  fi
-		 done
-		 while [ -z "$BROADCAST" ]; do
-			  echo $"Enter the broadcast address for the new Linux guest:"
-			  read BROADCAST
-			  checkip $BROADCAST
-			  ret=$?
-			  if [ $ret -eq 1 ]; then
-			    echo -n "Invalid broadcast address format. "
-			    unset BROADCAST
-			  fi
-		 done
-		 while [ -z "$GATEWAY" ]; do
-			  echo $"Enter your default gateway:"
-			  read GATEWAY
-			  checkip $GATEWAY
-			  ret=$?
-			  if [ $ret -eq 1 ]; then
-			    echo -n "Invalid gateway address format. "
-			    unset GATEWAY
-			  fi
-		 done
-	    if [ ":$NETTYPE" = ":lcs" ]; then
-	        if [ -n "$RUNKS" -a -z "$PORTNAME" ]; then
-	           PORTNAME=0
-	        fi
-	        while [ -z "$PORTNAME" ]; do
-	           echo $"Enter the relative port number of your LCS device"
-	           echo $"(required for OSA-Express ATM cards only):"
-	           read PORTNAME
-	        done
-	    fi
-	else  # ctc0, iucv0
-	    if [ -z "$NETMASK" ]; then
-	        # If the user did not supply netmask, we add the right one.
-	        NETMASK="255.255.255.255"
+   while [ -z "$SUBCHANNELS" ]; do
+		echo $"Enter the bus ID and the device number of your CCW devices."
+		echo $"CTC/ESCON and LCS need two subchannels:"
+		echo $"(e.g. \"0.0.0600,0.0.0601\" will configure the CTC or ESCON interface"
+		echo $"with the subchannels 0x600 and 0x601)"
+		echo $"QETH needs three subchannels p.e. 0.0.0300,0.0.0301,0.0.0302"
+		read SUBCHANNELS
+   done
+	SUBCHANNELS=`echo $SUBCHANNELS | /sbin/busybox tr ABCDEF abcdef`
+	if [ "$NETTYPE" = "qeth" ]; then
+		if [ -z "$PORTNAME" ]; then
+			echo $"Portname of the OSA-Express feature in QDIO mode and z/VM Guest LAN"
+			echo $"This parameter is optional with z/VM 4.4.0 or z/VM 4.3.0 with"
+			echo $"APARs VM63308 and PQ73878"
+			echo $"Press enter if you don't want to enter a portname"
+			read PORTNAME
+		fi
+		if [ -z "$LAYER2" ]; then
+			echo $"Enter the mode of operation for the OSA device"
+			echo $"0 for layer 3 mode (default)"
+			echo $"1 for layer 2 mode"
+			read LAYER2
+		fi
+		if [ "$LAYER2" == 1 ]; then
+		   if [ -z "$VSWITCH" -o "$VSWITCH" == 0 ]; then
+		      if [ -z "$MACADDR" ]; then
+			   echo $"Enter a unique MAC address (eg. 02:00:00:00:00:00)."
+			   echo $"Leave this blank and press enter if connecting to a"
+			   echo $"Layer 2 VSWITCH, as this is automatically assigned"
+			   read MACADDR
+		      fi
+		   fi
+		fi
+   fi
+fi
+ +while [ -z "$HOSTNAME" -o "$HOSTNAME" = "(none)" ]; do
+	echo $"Enter the FQDN of your new Linux guest (e.g. s390.redhat.com):"
+	read HOSTNAME
+done
+while [ -z "$IPADDR" ]; do
+  echo $"Enter a valid IP address of your new Linux guest:"
+  read IPADDR
+  checkip $IPADDR
+  ret=$?
+  if [ $ret -eq 1 ]; then
+    echo -n "Invalid IP address format. "
+    unset IPADDR
+  fi
+done
+while [ -z "$NETWORK" ]; do
+  echo $"Enter a valid network address of the new Linux guest:"
+  read NETWORK
+  checkip $NETWORK
+  ret=$?
+  if [ $ret -eq 1 ]; then
+    echo -n "Invalid network address format. "
+    unset NETWORK
+  fi
+done
+if [ "$NETTYPE" = "qeth" ] || [ "$NETTYPE" = "lcs" ]; then
+	 while [ -z "$NETMASK" ]; do
+		  echo $"Enter the netmask for the new Linux guest (e.g. 255.255.255.0):"
+		  read NETMASK
+		  checkip $NETMASK
+		  ret=$?
+		  if [ $ret -eq 1 ]; then
+		    echo -n "Invalid netmask format. "
+		    unset NETMASK
+		  fi
+	 done
+	 while [ -z "$BROADCAST" ]; do
+		  echo $"Enter the broadcast address for the new Linux guest:"
+		  read BROADCAST
+		  checkip $BROADCAST
+		  ret=$?
+		  if [ $ret -eq 1 ]; then
+		    echo -n "Invalid broadcast address format. "
+		    unset BROADCAST
+		  fi
+	 done
+	 while [ -z "$GATEWAY" ]; do
+		  echo $"Enter your default gateway:"
+		  read GATEWAY
+		  checkip $GATEWAY
+		  ret=$?
+		  if [ $ret -eq 1 ]; then
+		    echo -n "Invalid gateway address format. "
+		    unset GATEWAY
+		  fi
+	 done
+    if [ ":$NETTYPE" = ":lcs" ]; then
+        if [ -n "$RUNKS" -a -z "$PORTNAME" ]; then
+           PORTNAME=0
+        fi
+        while [ -z "$PORTNAME" ]; do
+           echo $"Enter the relative port number of your LCS device"
+           echo $"(required for OSA-Express ATM cards only):"
+           read PORTNAME
+        done
+    fi
+else  # ctc0, iucv0
+    if [ -z "$NETMASK" ]; then
+        # If the user did not supply netmask, we add the right one.
+        NETMASK="255.255.255.255"
+    fi
+	 while [ -z "$GATEWAY" ]; do
+		  echo $"Enter the IP of your CTC / ESCON / IUCV point-to-point partner:"
+		  read GATEWAY
+	 done
+
+	 if [ "$NETTYPE" = "ctc" ]; then
+        if [ -z "$MTU" ]; then
+		      MTU="1500"
+        fi
+        if [ -z "$RUNKS" ]; then
+           if [ -n "$CTCPROT" ]; then
+              validprot=1
+           else
+              validprot=0
+           fi
+           while [ "$validprot" = "0" ]; do
+              echo $"Select which protocol should be used for the CTC interface"
+              echo $"0 for compatibility with p.e. VM TCP service machine (default)"
+              echo $"1 for enhanced package checking for Linux peers"
+              echo $"3 for compatibility with OS/390 or z/OS peers"
+              read CTCPROT
+              case "x$CTCPROT" in
+              x|x0)
+                 validprot=1
+                 unset CTCPROT
+                 ;;
+              x1|x3)
+                 validprot=1
+                 ;;
+              x2)
+                 echo $"CTC tty's are not usable for this installation"
+                 ;;
+              *)
+                 echo $"Invalid selection"
+                 ;;
+              esac
+           done
 	    fi
-		 while [ -z "$GATEWAY" ]; do
-			  echo $"Enter the IP of your CTC / ESCON / IUCV point-to-point partner:"
-			  read GATEWAY
-		 done
-	
-		 if [ "$NETTYPE" = "ctc" ]; then
-	        if [ -z "$MTU" ]; then
-			      MTU="1500"
-	        fi
-	        if [ -z "$RUNKS" ]; then
-	           if [ -n "$CTCPROT" ]; then
-	              validprot=1
-	           else
-	              validprot=0
-	           fi
-	           while [ "$validprot" = "0" ]; do
-	              echo $"Select which protocol should be used for the CTC interface"
-	              echo $"0 for compatibility with p.e. VM TCP service machine (default)"
-	              echo $"1 for enhanced package checking for Linux peers"
-	              echo $"3 for compatibility with OS/390 or z/OS peers"
-	              read CTCPROT
-	              case "x$CTCPROT" in
-	              x|x0)
-	                 validprot=1
-	                 unset CTCPROT
-	                 ;;
-	              x1|x3)
-	                 validprot=1
-	                 ;;
-	              x2)
-	                 echo $"CTC tty's are not usable for this installation"
-	                 ;;
-	              *)
-	                 echo $"Invalid selection"
-	                 ;;
-	              esac
-	           done
-		    fi
-		 fi
-		 if [ ":$NETTYPE" = ":iucv" ]; then
-			  while [ -z "$PEERID" ]; do
-				   echo $"Enter the peer id of the VM guest you want to"
-					echo $"connect to (in capital letters)."
-				   read PEERID
-			  done
-		 fi
-	fi
-	# don't ask for MTU, but use it if it has been set in the .parm file
-	# don't overwrite MMTU if it has been set for CTC
-	if [ -n "$MTU" -a -z "$MMTU" ]; then
-		 MMTU="mtu $MTU"
-	fi
-	
-	# configure network-interface
-	if [ ":$NETTYPE" = ":ctc" ]; then
-	   insmod ccwgroup$LO
-		insmod cu3088$LO
-		insmod fsm$LO
-		insmod ctc$LO
-	   setupdevice
-	   DEVICE=${NETTYPE}0
-		ifconfig $DEVICE $IPADDR $MMTU pointopoint $GATEWAY
-	   echo "alias $DEVICE ctc" >> /tmp/modprobe.conf
-	elif [ ":$NETTYPE" = ":iucv" ]; then
-		insmod fsm$LO
-		insmod iucv$LO
-		insmod netiucv$LO
-		sysecho /sys/bus/iucv/drivers/netiucv/connection $PEERID
-	   DEVICE=${NETTYPE}0
-		ifconfig $DEVICE $IPADDR $MMTU pointopoint $GATEWAY
-	   echo "alias $DEVICE netiucv" >> /tmp/modprobe.conf
-	elif [ "$NETTYPE" = "lcs" ]; then
-	   insmod ccwgroup$LO
-		insmod cu3088$LO
-		insmod lcs$LO
-	   setupdevice
-	# KH FIXME: Workaround for missing sysfs interface
-	#   DEVICE=`cat /sys/devices/lcs/${SUBCHANNELS//,*/}/if_name`
-	   DEVICE=eth0
-		ifconfig $DEVICE $IPADDR $MMTU netmask $NETMASK broadcast $BROADCAST
-		route add -net $NETWORK netmask $NETMASK dev $DEVICE 2>/dev/null
-	   echo "alias $DEVICE lcs" >> /tmp/modprobe.conf
-	elif [ "$NETTYPE" = "qeth" ]; then
-		insmod ccwgroup$LO
-		insmod crypto_api$LO
-		insmod xfrm_nalgo$LO
-		insmod qdio$LO
-		insmod ipv6$LO
-		insmod qeth$LO
-	   setupdevice
-	   DEVICE=`cat /sys/devices/qeth/${SUBCHANNELS//,*/}/if_name`
-	   if [ -n "$LAYER2" -a -n "$MACADDR" ]; then
-	       ifconfig $DEVICE hw ether $MACADDR
-	   fi
-		ifconfig $DEVICE $IPADDR $MMTU netmask $NETMASK broadcast $BROADCAST
-		route add -net $NETWORK netmask $NETMASK dev $DEVICE 2>/dev/null
-		echo "alias $DEVICE qeth" >> /tmp/modprobe.conf
-	else
-	   echo $"Unknown network device, aborting installation"
-	   exit 1
-	fi
-	
-	route add default gw $GATEWAY dev $DEVICE 2>/dev/null
-	# BH FIXME: Workaround for manual MACADDR, need ping to update arp table
-	ping -c 1 $GATEWAY > /dev/null
-	
-	if [ -z "$DNS" ]; then
-		echo $"Enter your DNS server(s), separated by colons (:):"
-		read DNS
-	fi
-	if [ -z "$DNS" ]; then
-		echo $"You might encounter problems without a nameserver, especially"
-		echo $"with FTP installs"
-	fi
-	
-	if [ -n "$DNS" -a -z "$SEARCHDNS" ]; then
-		echo $"Enter your DNS search domain(s) (if any), separated by colons (:):"
-		read SEARCHDNS
-	fi
-	
-	[ -n "$HOSTNAME" ] && hostname $HOSTNAME
-	
-	# show interfaces and routing table
-	ifconfig -a
-	route -n
-	
-	# convert to space-separated lists
-	if [ -n "$SEARCHDNS" ]; then
-		SEARCHDNS=`echo $SEARCHDNS |sed -e 's/:/ /g'`
-		for i in "$SEARCHDNS"; do echo "search $i"; done >> /etc/resolv.conf
-	fi
-	if [ -n "$DNS" ]; then
-		RESOLVDNS=`echo $DNS |sed -e 's/:/ /g'`
-		for i in $RESOLVDNS; do echo "nameserver $i"; done >> /etc/resolv.conf
-	fi
-	
-	# make sure we have an /etc/hosts file (required for telnetd)
-	if [ ! -z "$HOSTNAME" -a ! -z "$IPADDR" ]; then
-	    echo -e "$IPADDR\t$HOSTNAME `echo $HOSTNAME | cut -d '.' -f 1`" >> /etc/hosts
-	fi
+	 fi
+	 if [ ":$NETTYPE" = ":iucv" ]; then
+		  while [ -z "$PEERID" ]; do
+			   echo $"Enter the peer id of the VM guest you want to"
+				echo $"connect to (in capital letters)."
+			   read PEERID
+		  done
+	 fi
+fi
+# don't ask for MTU, but use it if it has been set in the .parm file
+# don't overwrite MMTU if it has been set for CTC
+if [ -n "$MTU" -a -z "$MMTU" ]; then
+	 MMTU="mtu $MTU"
+fi
+
+# configure network-interface
+if [ ":$NETTYPE" = ":ctc" ]; then
+   insmod ccwgroup$LO
+	insmod cu3088$LO
+	insmod fsm$LO
+	insmod ctc$LO
+   setupdevice
+   DEVICE=${NETTYPE}0
+	ifconfig $DEVICE $IPADDR $MMTU pointopoint $GATEWAY
+   echo "alias $DEVICE ctc" >> /tmp/modprobe.conf
+elif [ ":$NETTYPE" = ":iucv" ]; then
+	insmod fsm$LO
+	insmod iucv$LO
+	insmod netiucv$LO
+	sysecho /sys/bus/iucv/drivers/netiucv/connection $PEERID
+   DEVICE=${NETTYPE}0
+	ifconfig $DEVICE $IPADDR $MMTU pointopoint $GATEWAY
+   echo "alias $DEVICE netiucv" >> /tmp/modprobe.conf
+elif [ "$NETTYPE" = "lcs" ]; then
+   insmod ccwgroup$LO
+	insmod cu3088$LO
+	insmod lcs$LO
+   setupdevice
+# KH FIXME: Workaround for missing sysfs interface
+#   DEVICE=`cat /sys/devices/lcs/${SUBCHANNELS//,*/}/if_name`
+   DEVICE=eth0
+	ifconfig $DEVICE $IPADDR $MMTU netmask $NETMASK broadcast $BROADCAST
+	route add -net $NETWORK netmask $NETMASK dev $DEVICE 2>/dev/null
+   echo "alias $DEVICE lcs" >> /tmp/modprobe.conf
+elif [ "$NETTYPE" = "qeth" ]; then
+	insmod ccwgroup$LO
+	insmod crypto_api$LO
+	insmod xfrm_nalgo$LO
+	insmod qdio$LO
+	insmod ipv6$LO
+	insmod qeth$LO
+   setupdevice
+   DEVICE=`cat /sys/devices/qeth/${SUBCHANNELS//,*/}/if_name`
+   if [ -n "$LAYER2" -a -n "$MACADDR" ]; then
+       ifconfig $DEVICE hw ether $MACADDR
+   fi
+	ifconfig $DEVICE $IPADDR $MMTU netmask $NETMASK broadcast $BROADCAST
+	route add -net $NETWORK netmask $NETMASK dev $DEVICE 2>/dev/null
+	echo "alias $DEVICE qeth" >> /tmp/modprobe.conf
+else
+   echo $"Unknown network device, aborting installation"
+   exit 1
+fi
+
+route add default gw $GATEWAY dev $DEVICE 2>/dev/null
+# BH FIXME: Workaround for manual MACADDR, need ping to update arp table
+ping -c 1 $GATEWAY > /dev/null
+
+if [ -z "$DNS" ]; then
+	echo $"Enter your DNS server(s), separated by colons (:):"
+	read DNS
+fi
+if [ -z "$DNS" ]; then
+	echo $"You might encounter problems without a nameserver, especially"
+	echo $"with FTP installs"
+fi
+
+if [ -n "$DNS" -a -z "$SEARCHDNS" ]; then
+	echo $"Enter your DNS search domain(s) (if any), separated by colons (:):"
+	read SEARCHDNS
+fi
+
+[ -n "$HOSTNAME" ] && hostname $HOSTNAME
+
+# show interfaces and routing table
+ifconfig -a
+route -n
+
+# convert to space-separated lists
+if [ -n "$SEARCHDNS" ]; then
+	SEARCHDNS=`echo $SEARCHDNS |sed -e 's/:/ /g'`
+	for i in "$SEARCHDNS"; do echo "search $i"; done >> /etc/resolv.conf
+fi
+if [ -n "$DNS" ]; then
+	RESOLVDNS=`echo $DNS |sed -e 's/:/ /g'`
+	for i in $RESOLVDNS; do echo "nameserver $i"; done >> /etc/resolv.conf
+fi
+
+# make sure we have an /etc/hosts file (required for telnetd)
+if [ ! -z "$HOSTNAME" -a ! -z "$IPADDR" ]; then
+    echo -e "$IPADDR\t$HOSTNAME `echo $HOSTNAME | cut -d '.' -f 1`" >> /etc/hosts
 fi
if [ -z "$DASD" ]; then

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