@@ -276,9 +276,22 @@ function configure_ironic_conductor {

     iniset $IRONIC_CONF_FILE pxe tftp_server $HOST_IP

     iniset $IRONIC_CONF_FILE pxe tftp_root $IRONIC_TFTPBOOT_DIR

     iniset $IRONIC_CONF_FILE pxe tftp_master_path $IRONIC_TFTPBOOT_DIR/master_images

+

+    local pxe_params=""

     if [[ "$IRONIC_VM_LOG_CONSOLE" == "True" ]] ; then

-        iniset $IRONIC_CONF_FILE pxe pxe_append_params "nofb nomodeset vga=normal console=ttyS0"

+        pxe_params="nofb nomodeset vga=normal console=ttyS0"

+    fi

+

+    # When booting with less than 1GB, we need to switch from default tmpfs

+    # to ramfs for ramdisks to decompress successfully.

+    if [[ "$IRONIC_VM_SPECS_RAM" -lt 1024 ]]; then

+        pxe_params+=" rootfstype=ramfs"

     fi

+

+    if [[ -n "$pxe_params" ]]; then

+        iniset $IRONIC_CONF_FILE pxe pxe_append_params "$pxe_params"

+    fi

+

     if [[ "$IRONIC_DEPLOY_DRIVER" == "agent_ssh" ]] ; then

         if [[ "$SWIFT_ENABLE_TEMPURLS" == "True" ]] ; then

             iniset $IRONIC_CONF_FILE glance swift_temp_url_key $SWIFT_TEMPURL_KEY