[Starlingx-discuss] [StarlingX] Use Cinder generic image cache to replace raw caching

Rowsell, Brent Brent.Rowsell at windriver.com
Thu Sep 6 02:01:59 UTC 2018


We would need to review this feature to ensure it provides equivalent functionality first.
If it does, great, we can look at reverting and enabling this cinder functionality.

Brent

From: Li, Xiaoyan [mailto:xiaoyan.li at intel.com]
Sent: Wednesday, September 5, 2018 9:59 PM
To: starlingx-discuss at lists.starlingx.io
Subject: [Starlingx-discuss] [StarlingX] Use Cinder generic image cache to replace raw caching

Hi all,

This email is about Raw caching function in StarlingX. This feature is to cache an image in backend storage like Ceph when we first create a volume in this backend storage.

In fact, Cinder upstream has already had a similar function in Pike release. https://specs.openstack.org/openstack/cinder-specs/specs/liberty/image-volume-cache.html
So I want to revert Raw caching function in StarlingX, and use Cinder generic image cache instead.
The problem is that we need to update Cinder config in StarlingX. Any comments?

Best wishes
Lisa



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