diff --git a/build_image.sh b/build_image.sh
index a275c383c45d..2d229c2d194b 100755
--- a/build_image.sh
+++ b/build_image.sh
@@ -14,11 +14,8 @@
 
 IMAGE_VERSION=$(. functions.sh && sonic_get_version)
 
-if [ "$IMAGE_TYPE" = "onie" ]; then
-    echo "Build ONIE installer"
-    mkdir -p `dirname $OUTPUT_ONIE_IMAGE`
-    sudo rm -f $OUTPUT_ONIE_IMAGE
-
+generate_onie_installer_image()
+{
     # Copy platform-specific ONIE installer config files where onie-mk-demo.sh expects them
     rm -rf ./installer/x86_64/platforms/
     mkdir -p ./installer/x86_64/platforms/
@@ -27,6 +24,11 @@ if [ "$IMAGE_TYPE" = "onie" ]; then
             if [ -f ./device/$VENDOR/$PLATFORM/installer.conf ]; then
                 cp ./device/$VENDOR/$PLATFORM/installer.conf ./installer/x86_64/platforms/$PLATFORM
             fi
+
+            if [ "$IMAGE_TYPE" = "raw" ] && [ -f ./device/$VENDOR/$PLATFORM/nos_to_sonic_grub.cfg ]; then
+                sed -i -e "s/%%IMAGE_VERSION%%/$IMAGE_VERSION/g" ./device/$VENDOR/$PLATFORM/nos_to_sonic_grub.cfg
+                echo "IMAGE_VERSION is $IMAGE_VERSION"
+            fi
         done
     done
 
@@ -35,6 +37,50 @@ if [ "$IMAGE_TYPE" = "onie" ]; then
     ./onie-mk-demo.sh $TARGET_PLATFORM $TARGET_MACHINE $TARGET_PLATFORM-$TARGET_MACHINE-$ONIEIMAGE_VERSION \
           installer platform/$TARGET_MACHINE/platform.conf $OUTPUT_ONIE_IMAGE OS $IMAGE_VERSION $ONIE_IMAGE_PART_SIZE \
           $ONIE_INSTALLER_PAYLOAD
+}
+
+if [ "$IMAGE_TYPE" = "onie" ]; then
+    echo "Build ONIE installer"
+    mkdir -p `dirname $OUTPUT_ONIE_IMAGE`
+    sudo rm -f $OUTPUT_ONIE_IMAGE
+
+    generate_onie_installer_image
+
+## Build a raw partition dump image using the ONIE installer that can be
+## used to dd' in-lieu of using the onie-nos-installer. Used while migrating
+## into SONiC from other NOS.
+elif [ "$IMAGE_TYPE" = "raw" ]; then
+
+    echo "Build RAW image"
+    mkdir -p `dirname $OUTPUT_RAW_IMAGE`
+    sudo rm -f $OUTPUT_RAW_IMAGE
+
+    generate_onie_installer_image
+
+    echo "Creating SONiC raw partition : $OUTPUT_RAW_IMAGE of size $RAW_IMAGE_DISK_SIZE MB"
+    fallocate -l "$RAW_IMAGE_DISK_SIZE"M $OUTPUT_RAW_IMAGE
+
+    ## Generate a compressed 8GB partition dump that can be used to 'dd' in-lieu of using the onie-nos-installer
+    ## Run the installer 
+    ## The 'build' install mode of the installer is used to generate this dump.
+    sudo chmod a+x $OUTPUT_ONIE_IMAGE
+    sudo ./$OUTPUT_ONIE_IMAGE
+
+    [ -r $OUTPUT_RAW_IMAGE ] || {
+        echo "Error : $OUTPUT_RAW_IMAGE not generated!"
+        exit 1
+    }
+
+    gzip $OUTPUT_RAW_IMAGE
+
+    [ -r $OUTPUT_RAW_IMAGE.gz ] || {
+        echo "Error : gzip $OUTPUT_RAW_IMAGE failed!"
+        exit 1
+    }
+
+    mv $OUTPUT_RAW_IMAGE.gz $OUTPUT_RAW_IMAGE
+    echo "The compressed raw image is in $OUTPUT_RAW_IMAGE"
+
 ## Use 'aboot' as target machine category which includes Aboot as bootloader
 elif [ "$IMAGE_TYPE" = "aboot" ]; then
     echo "Build Aboot installer"
diff --git a/device/dell/x86_64-dell_s6100_c2538-r0/nos_to_sonic_grub.cfg b/device/dell/x86_64-dell_s6100_c2538-r0/nos_to_sonic_grub.cfg
new file mode 100644
index 000000000000..058b1a9ea118
--- /dev/null
+++ b/device/dell/x86_64-dell_s6100_c2538-r0/nos_to_sonic_grub.cfg
@@ -0,0 +1,44 @@
+#
+# Grub config to launch SONiC
+# with ONIE boot option
+
+insmod serial
+# Initialize USB-Serial com2 port
+serial --unit=1 --speed=9600
+#Serial port config;Defaults: COM1,9600
+serial --unit=0 --speed=9600
+terminal_output serial_com0
+terminal_input serial_com0
+#terminfo added to prevent text wrap issue.
+terminfo -g 80x100 serial_com0
+terminfo -g 80x100 serial_com1
+
+echo -n "Press Esc to stop autoboot ... "
+if sleep --verbose --interruptible 5 ; then
+        insmod gzio
+        insmod part_msdos
+        insmod ext2
+        set root='(hd0,gpt8)'
+        linux   /image-%%IMAGE_VERSION%%/boot/vmlinuz-3.16.0-4-amd64 root=/dev/sda8 rw console=tty0 console=ttyS1,9600n8 loop=image-%%IMAGE_VERSION%%/fs.squashfs loopfstype=squashfs apparmor=1 security=apparmor
+        initrd  /image-%%IMAGE_VERSION%%/boot/initrd.img-3.16.0-4-amd64
+        boot
+else
+    menuentry 'SONiC' {
+        insmod gzio
+        insmod part_msdos
+        insmod ext2
+        set root='(hd0,gpt8)'
+        linux   /image-%%IMAGE_VERSION%%/boot/vmlinuz-3.16.0-4-amd64 root=/dev/sda8 rw console=tty0 console=ttyS1,9600n8 loop=image-%%IMAGE_VERSION%%/fs.squashfs loopfstype=squashfs apparmor=1 security=apparmor
+        initrd  /image-%%IMAGE_VERSION%%/boot/initrd.img-3.16.0-4-amd64
+        boot
+    }
+
+    menuentry 'ONIE' {
+        insmod force10
+        onieboot
+    }
+
+    menuentry 'DELL-DIAG' {
+        delldiagboot
+    }
+fi
diff --git a/device/dell/x86_64-dell_z9100_c2538-r0/nos_to_sonic_grub.cfg b/device/dell/x86_64-dell_z9100_c2538-r0/nos_to_sonic_grub.cfg
new file mode 100644
index 000000000000..058b1a9ea118
--- /dev/null
+++ b/device/dell/x86_64-dell_z9100_c2538-r0/nos_to_sonic_grub.cfg
@@ -0,0 +1,44 @@
+#
+# Grub config to launch SONiC
+# with ONIE boot option
+
+insmod serial
+# Initialize USB-Serial com2 port
+serial --unit=1 --speed=9600
+#Serial port config;Defaults: COM1,9600
+serial --unit=0 --speed=9600
+terminal_output serial_com0
+terminal_input serial_com0
+#terminfo added to prevent text wrap issue.
+terminfo -g 80x100 serial_com0
+terminfo -g 80x100 serial_com1
+
+echo -n "Press Esc to stop autoboot ... "
+if sleep --verbose --interruptible 5 ; then
+        insmod gzio
+        insmod part_msdos
+        insmod ext2
+        set root='(hd0,gpt8)'
+        linux   /image-%%IMAGE_VERSION%%/boot/vmlinuz-3.16.0-4-amd64 root=/dev/sda8 rw console=tty0 console=ttyS1,9600n8 loop=image-%%IMAGE_VERSION%%/fs.squashfs loopfstype=squashfs apparmor=1 security=apparmor
+        initrd  /image-%%IMAGE_VERSION%%/boot/initrd.img-3.16.0-4-amd64
+        boot
+else
+    menuentry 'SONiC' {
+        insmod gzio
+        insmod part_msdos
+        insmod ext2
+        set root='(hd0,gpt8)'
+        linux   /image-%%IMAGE_VERSION%%/boot/vmlinuz-3.16.0-4-amd64 root=/dev/sda8 rw console=tty0 console=ttyS1,9600n8 loop=image-%%IMAGE_VERSION%%/fs.squashfs loopfstype=squashfs apparmor=1 security=apparmor
+        initrd  /image-%%IMAGE_VERSION%%/boot/initrd.img-3.16.0-4-amd64
+        boot
+    }
+
+    menuentry 'ONIE' {
+        insmod force10
+        onieboot
+    }
+
+    menuentry 'DELL-DIAG' {
+        delldiagboot
+    }
+fi
diff --git a/files/image_config/platform/rc.local b/files/image_config/platform/rc.local
index 49b2ed6e1b69..8b8db4a261c3 100755
--- a/files/image_config/platform/rc.local
+++ b/files/image_config/platform/rc.local
@@ -11,6 +11,27 @@
 #
 # By default this script does nothing.
 
+# If the machine.conf is absent, it indicates that the unit booted
+# into SONiC from another NOS. Extract the machine.conf from ONIE.
+if [ ! -e /host/machine.conf ]; then
+    onie_dev=$(blkid | grep ONIE-BOOT | head -n 1 | awk '{print $1}' |  sed -e 's/:.*$//')
+    mkdir -p /mnt/onie-boot
+    mount $onie_dev /mnt/onie-boot
+    onie_grub_cfg=/mnt/onie-boot/onie/grub/grub-machine.cfg
+    
+    if [ ! -e $onie_grub_cfg ]; then
+        echo "$onie_grub_cfg not found" >> /etc/migration.log
+    else
+        . ./$onie_grub_cfg
+        grep = $onie_grub_cfg | sed -e 's/onie_//' -e 's/=.*$//' | while read var ; do
+            eval val='$'onie_$var
+            echo "onie_${var}=${val}" >> /host/machine.conf
+        done
+    fi
+
+    umount /mnt/onie-boot
+fi
+
 . /host/machine.conf
 
 echo "install platform dependent packages at the first boot time"
diff --git a/installer/sharch_body.sh b/installer/sharch_body.sh
index 8260d0fd00e6..d22fe26b6998 100644
--- a/installer/sharch_body.sh
+++ b/installer/sharch_body.sh
@@ -27,6 +27,7 @@ echo " OK."
 
 # Untar and launch install script in a tmpfs
 cur_wd=$(pwd)
+export cur_wd
 archive_path=$(realpath "$0")
 tmp_dir=$(mktemp -d)
 if [ "$(id -u)" = "0" ] ; then
diff --git a/installer/x86_64/install.sh b/installer/x86_64/install.sh
index ca8c4d3e47e7..ad1cc3691fbf 100755
--- a/installer/x86_64/install.sh
+++ b/installer/x86_64/install.sh
@@ -24,8 +24,25 @@ _trap_push true
 set -e
 cd $(dirname $0)
 
+if [ -d "/etc/sonic" ]; then
+    echo "Installing SONiC in SONiC"
+    install_env="sonic"
+elif grep -Fxqs "DISTRIB_ID=onie" /etc/lsb-release > /dev/null
+then
+    echo "Installing SONiC in ONIE"
+    install_env="onie"
+else
+    echo "Installing SONiC in BUILD"
+    install_env="build"
+fi
+
+if [ -r ./machine.conf ]; then
 . ./machine.conf
+fi
+
+if [ -r ./onie-image.conf ]; then
 . ./onie-image.conf
+fi
 
 echo "ONIE Installer: platform: $platform"
 
@@ -40,7 +57,7 @@ if [ -r /etc/machine.conf ]; then
     . /etc/machine.conf
 elif [ -r /host/machine.conf ]; then
     . /host/machine.conf
-else
+elif [ "$install_env" != "build" ]; then
     echo "cannot find machine.conf"
     exit 1
 fi
@@ -58,26 +75,20 @@ ONIE_PLATFORM_EXTRA_CMDLINE_LINUX=""
 # Default var/log device size in MB
 VAR_LOG_SIZE=4096
 
-if [ -d "/etc/sonic" ]; then
-    echo "Installing SONiC in SONiC"
-    install_env="sonic"
-else
-    echo "Installing SONiC in ONIE"
-    install_env="onie"
-fi
-
 [ -r platforms/$onie_platform ] && . platforms/$onie_platform
 
 # Install demo on same block device as ONIE
-onie_dev=$(blkid | grep ONIE-BOOT | head -n 1 | awk '{print $1}' |  sed -e 's/:.*$//')
-blk_dev=$(echo $onie_dev | sed -e 's/[1-9][0-9]*$//' | sed -e 's/\([0-9]\)\(p\)/\1/')
-# Note: ONIE has no mount setting for / with device node, so below will be empty string
-cur_part=$(cat /proc/mounts | awk "{ if(\$2==\"/\") print \$1 }" | grep $blk_dev || true)
-
-[ -b "$blk_dev" ] || {
-    echo "Error: Unable to determine block device of ONIE install"
-    exit 1
-}
+if [ "$install_env" != "build" ]; then
+    onie_dev=$(blkid | grep ONIE-BOOT | head -n 1 | awk '{print $1}' |  sed -e 's/:.*$//')
+    blk_dev=$(echo $onie_dev | sed -e 's/[1-9][0-9]*$//' | sed -e 's/\([0-9]\)\(p\)/\1/')
+    # Note: ONIE has no mount setting for / with device node, so below will be empty string
+    cur_part=$(cat /proc/mounts | awk "{ if(\$2==\"/\") print \$1 }" | grep $blk_dev || true)
+
+    [ -b "$blk_dev" ] || {
+        echo "Error: Unable to determine block device of ONIE install"
+        exit 1
+    }
+fi
 
 # If running in ONIE
 if [ "$install_env" = "onie" ]; then
@@ -108,7 +119,7 @@ else
     firmware="bios"
 fi
 
-if [ "$install_env" != "sonic" ]; then
+if [ "$install_env" = "onie" ]; then
     # determine ONIE partition type
     onie_partition_type=$(${onie_bin} onie-sysinfo -t)
     # demo partition size in MB
@@ -310,6 +321,7 @@ demo_install_grub()
             cat $grub_install_log && rm -f $grub_install_log
             exit 1
         }
+
         rm -f $grub_install_log
 
         # restore immutable flag on the core.img file as discussed
@@ -374,7 +386,7 @@ demo_install_uefi_grub()
 
 image_dir="image-$image_version"
 
-if [ "$install_env" != "sonic" ]; then
+if [ "$install_env" = "onie" ]; then
     eval $create_demo_partition $blk_dev
     demo_dev=$(echo $blk_dev | sed -e 's/\(mmcblk[0-9]\)/\1p/')$demo_part
 
@@ -391,7 +403,8 @@ if [ "$install_env" != "sonic" ]; then
         echo "Error: Unable to mount $demo_dev on $demo_mnt"
         exit 1
     }
-else
+    
+elif [ "$install_env" = "sonic" ]; then
     demo_mnt="/host"
     running_sonic_revision=$(cat /etc/sonic/sonic_version.yml | grep build_version | cut -f2 -d" ")
     # Prevent installing existing SONiC if it is running
@@ -406,6 +419,15 @@ else
             rm -rf $f
         fi
     done
+else
+    demo_mnt="build_raw_image_mnt"
+    demo_dev=$cur_wd/"%%OUTPUT_RAW_IMAGE%%"
+
+    mkfs.ext4 $demo_dev
+
+    echo "Mounting $demo_dev on $demo_mnt..."
+    mkdir $demo_mnt
+    mount -t auto -o loop $demo_dev $demo_mnt
 fi
 
 echo "Installing SONiC to $demo_mnt/$image_dir"
@@ -446,7 +468,7 @@ if [ "$VAR_LOG_SIZE" != "0" ]; then
     mkfs.ext4 -q $demo_mnt/disk-img/var-log.ext4 -F
 fi
 
-if [ "$install_env" != "sonic" ]; then
+if [ "$install_env" = "onie" ]; then
     # Store machine description in target file system
     cp /etc/machine.conf $demo_mnt
 
@@ -547,7 +569,7 @@ menuentry '$demo_grub_entry' {
 }
 EOF
 
-if [ "$install_env" != "sonic" ]; then
+if [ "$install_env" = "onie" ]; then
     # Add menu entries for ONIE -- use the grub fragment provided by the
     # ONIE distribution.
     $onie_root_dir/grub.d/50_onie_grub >> $grub_cfg
@@ -559,7 +581,11 @@ $onie_menuentry
 EOF
 fi
 
-cp $grub_cfg $onie_initrd_tmp/$demo_mnt/grub/grub.cfg
+if [ "$install_env" = "build" ]; then
+    umount $demo_mnt
+else
+    cp $grub_cfg $onie_initrd_tmp/$demo_mnt/grub/grub.cfg
+fi
 
 cd /
 
diff --git a/onie-image.conf b/onie-image.conf
index f12e23f7414b..b6564feb1a41 100644
--- a/onie-image.conf
+++ b/onie-image.conf
@@ -27,6 +27,12 @@ DOCKERFS_DIR=docker
 ## Output file name for onie installer
 OUTPUT_ONIE_IMAGE=target/sonic-$TARGET_MACHINE.bin
 
+### Output file name for raw image
+OUTPUT_RAW_IMAGE=target/sonic-$TARGET_MACHINE.raw
+
+### Raw image size in MB
+RAW_IMAGE_DISK_SIZE=8192
+
 ## Output file name for aboot installer
 OUTPUT_ABOOT_IMAGE=target/sonic-aboot-$TARGET_MACHINE.swi
 
diff --git a/onie-mk-demo.sh b/onie-mk-demo.sh
index 91d6d1b3ceb2..b8418d79a678 100755
--- a/onie-mk-demo.sh
+++ b/onie-mk-demo.sh
@@ -83,11 +83,16 @@ cp onie-image.conf $tmp_installdir
 # sed. Special chars are: \ / &
 EXTRA_CMDLINE_LINUX=`echo $EXTRA_CMDLINE_LINUX | sed -e 's/[\/&]/\\\&/g'`
 
+output_raw_image=$(cat onie-image.conf | grep OUTPUT_RAW_IMAGE | cut -f2 -d"=")
+[ -z "$TARGET_MACHINE" ] && output_raw_image=$(echo $output_raw_image | sed -e 's/$TARGET_MACHINE/$machine/g')
+output_raw_image=$(eval echo $output_raw_image)
+
 # Tailor the demo installer for OS mode or DIAG mode
 sed -i -e "s/%%DEMO_TYPE%%/$demo_type/g" \
        -e "s/%%IMAGE_VERSION%%/$image_version/g" \
        -e "s/%%ONIE_IMAGE_PART_SIZE%%/$onie_image_part_size/" \
        -e "s/%%EXTRA_CMDLINE_LINUX%%/$EXTRA_CMDLINE_LINUX/" \
+       -e "s@%%OUTPUT_RAW_IMAGE%%@$output_raw_image@" \
     $tmp_installdir/install.sh || clean_up 1
 echo -n "."
 cp -r $* $tmp_installdir || clean_up 1
diff --git a/platform/broadcom/raw-image.mk b/platform/broadcom/raw-image.mk
new file mode 100644
index 000000000000..ae93683c543d
--- /dev/null
+++ b/platform/broadcom/raw-image.mk
@@ -0,0 +1,9 @@
+# sonic broadcom raw image installer
+
+SONIC_RAW_IMAGE = sonic-broadcom.raw
+$(SONIC_RAW_IMAGE)_MACHINE = broadcom
+$(SONIC_RAW_IMAGE)_IMAGE_TYPE = raw
+$(SONIC_RAW_IMAGE)_DEPENDS += $(BRCM_OPENNSL_KERNEL)
+$(SONIC_RAW_IMAGE)_INSTALLS += $($(SONIC_ONE_IMAGE)_INSTALLS)
+$(SONIC_RAW_IMAGE)_DOCKERS += $(SONIC_INSTALL_DOCKER_IMAGES)
+SONIC_INSTALLERS += $(SONIC_RAW_IMAGE)
diff --git a/platform/broadcom/rules.mk b/platform/broadcom/rules.mk
index 253593b30f2a..30b517f8d385 100755
--- a/platform/broadcom/rules.mk
+++ b/platform/broadcom/rules.mk
@@ -11,6 +11,7 @@ include $(PLATFORM_PATH)/docker-orchagent-brcm.mk
 include $(PLATFORM_PATH)/docker-syncd-brcm.mk
 include $(PLATFORM_PATH)/docker-syncd-brcm-rpc.mk
 include $(PLATFORM_PATH)/one-image.mk
+include $(PLATFORM_PATH)/raw-image.mk
 include $(PLATFORM_PATH)/one-aboot.mk
 include $(PLATFORM_PATH)/libsaithrift-dev.mk
 include $(PLATFORM_PATH)/python-saithrift.mk