cinder/releasenotes/notes/upload-volume-to-multiple-stores-ab130774897e41c3.yaml
whoami-rajat 7c685f0d68 Support Glance image data colocation
This feature expands the usability of Glance multiple stores for volumes that
are created from images.
In this implementation, a volume created from image sends its
base image id to glance so that glance can store the current volume image
where the base image resides (whether be single or multiple stores).

An conflict between the 'image_service:store_id' [1] and the
'base_image_ref' passed to Glance is expected to be handled on the Glance
side.

Implements: bp copy-image-in-multiple-stores

[1] https://review.opendev.org/#/c/661676/

Change-Id: I5dd00e8d373fd8a7dd4f97e4e5924aefe599d1d9
2020-04-13 12:04:18 +00:00

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YAML

---
features:
- |
This release includes support for Glance automatic image colocation.
When a volume originally created from an image is uploaded to the
Image service, Cinder passes Glance a reference to the original
image. Glance may use this information to colocate the new image data
in the same image store(s) as the original image data. Consult the
Glance documentation for more information.