Description of PXE configuration options

Configuration option = Default value	Description
[pxe]
default_ephemeral_format = ext4	(StrOpt) Default file system format for ephemeral partition, if one is created.
disk_devices = cciss/c0d0,sda,hda,vda	(StrOpt) The disk devices to scan while doing the deploy.
image_cache_size = 20480	(IntOpt) Maximum size (in MiB) of cache for master images, including those in use.
image_cache_ttl = 10080	(IntOpt) Maximum TTL (in minutes) for old master images in cache.
images_path = /var/lib/ironic/images/	(StrOpt) On the ironic-conductor node, directory where images are stored on disk.
instance_master_path = /var/lib/ironic/master_images	(StrOpt) On the ironic-conductor node, directory where master instance images are stored on disk.
ipxe_boot_script = $pybasedir/drivers/modules/boot.ipxe	(StrOpt) On ironic-conductor node, the path to the main iPXE script file.
ipxe_enabled = False	(BoolOpt) Enable iPXE boot.
pxe_append_params = nofb nomodeset vga=normal	(StrOpt) Additional append parameters for baremetal PXE boot.
pxe_bootfile_name = pxelinux.0	(StrOpt) Bootfile DHCP parameter.
pxe_config_template = $pybasedir/drivers/modules/pxe_config.template	(StrOpt) On ironic-conductor node, template file for PXE configuration.
tftp_master_path = /tftpboot/master_images	(StrOpt) On ironic-conductor node, directory where master TFTP images are stored on disk.
tftp_root = /tftpboot	(StrOpt) ironic-conductor node's TFTP root path.
tftp_server = $my_ip	(StrOpt) IP address of ironic-conductor node's TFTP server.
uefi_pxe_bootfile_name = elilo.efi	(StrOpt) Bootfile DHCP parameter for UEFI boot mode.
uefi_pxe_config_template = $pybasedir/drivers/modules/elilo_efi_pxe_config.template	(StrOpt) On ironic-conductor node, template file for PXE configuration for UEFI boot loader.