tripleo-docs/doc/source/advanced_deployment/whole_disk_images.rst
Yolanda Robla Mota 9daf4095e6 Add documentation on how to use whole disk images
Change-Id: Id883dc6427c72cb3b58e1d25283781f28c085b3e
Depends-On: I9fbac888b3e709212cc6c72153a3ca465101987c
Partially-Implements: blueprint support-full-disk-images
2016-11-15 17:11:40 +01:00

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Use whole disk images for overcloud
-----------------------------------
By default, TripleO **overcloud-full** image is a *partition* image. Such images carry only the
root partition contents and no partition table. Alternatively, *whole disk* images can be used,
which carry all partitions, a partition table and a boot loader.
Whole disk images can be built with **diskimage-builder** - see
`Ironic images documentation <http://docs.openstack.org/project-install-guide/baremetal/draft/configure-integration.html#create-and-add-images-to-the-image-service>`_
for details. Note that this does not affect **ironic-python-agent** images.
Use the following command to treat **overcloud-full** as a whole disk image when uploading images::
openstack overcloud image upload --whole-disk
In this case only ``overcloud-full.qcow2`` file is required, ``overcloud-full.initrd`` and
``overcloud-full.vmlinuz`` are not used.