@@ -343,13 +343,24 @@ function configure_ironic_conductor {

     iniset $IRONIC_CONF_FILE pxe tftp_server $IRONIC_TFTPSERVER_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

-        local pxe_params="nofb nomodeset vga=normal console=ttyS0"

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

         if is_deployed_with_ipa_ramdisk; then

             pxe_params+=" systemd.journald.forward_to_console=yes"

         fi

+    fi

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

+    # to ramfs for ramdisks to decompress successfully.

+    if (is_ironic_hardware && [[ "$IRONIC_HW_NODE_RAM" -lt 1024 ]]) ||

+        (! is_ironic_hardware && [[ "$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 is_deployed_by_agent; then

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

             iniset $IRONIC_CONF_FILE glance swift_temp_url_key $SWIFT_TEMPURL_KEY