Bug 1041768

Summary:	[RFE][glance]: Ability to store snapshots and images to different places
Product:	Red Hat OpenStack	Reporter:	RHOS Integration <rhos-integ>
Component:	RFEs	Assignee:	RHOS Maint <rhos-maint>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	unspecified	CC:	markmc, yeylon
Target Milestone:	---	Keywords:	FutureFeature
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
URL:	https://blueprints.launchpad.net/glance/+spec/ability-to-separate-snapshots-and-images
Whiteboard:	upstream_milestone_none upstream_status_unknown upstream_definition_new
Fixed In Version:		Doc Type:	Enhancement
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-03-19 17:06:36 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description RHOS Integration 2013-12-12 19:14:42 UTC

Cloned from launchpad blueprint https://blueprints.launchpad.net/glance/+spec/ability-to-separate-snapshots-and-images.

Description:

The main idea is that Images and Snapshots don't require the same reliability level. Basically snapshots are more criticital than images.

It depends on the Glance store used but most of them can be really flexible:

*File: could be 2 distincts directories that point to different filesystem mount points. Let's say different level of RAID for the images and the snapshots.
* Swift no use case for now since tiering doesn't exit
* S3, could point to different buckets
* RBD, one pool for the images (replica count of 2) and one pool for the snapshots (replica count of 3).

The blueprint might need to be implemented separately for each backend.

Specification URL (additional information):

None