openstack/tripleo-docs
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tripleo-docs/doc/source/install/advanced_deployment/whole_disk_images.rst
Emilien Macchi 6cd603610b Update docs structure 
The upstream docs structure is changing, so this change updates our
existing docs into contributor and install guide sections.

Change-Id: I37fabd25fdda6bc56fcfb331b74e3294e31e68bb
2017-07-07 20:04:52 +00:00

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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 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.