I'm a little confused about Glance's capabilities when used with S3 as the backend.
In the newly written Operations Guide, it states (under Cloud Controller Design): The glance-api part is an abstraction layer that allows a choice of backend. Currently, it supports: - OpenStack Object Storage, which allows the storage of images as objects. - File System, which uses any traditional file system for storing the images as files. - S3, which allows the fetching of images from Amazon S3 (no images can be written using this mode). - HTTP, which allows the fetching of images from a web server (no images can be written using this mode). It says that "no images can be written" using S3. However in glance-api.conf it says: When sending images to S3, the data will first be written to a temporary buffer on disk. Which is it? Can Glance use S3 as a full backend to write snapshots, upload images, etc..? PS: I know the goal of the Operations Guide was to finish it in 5 days, but there are a lot of typos and grammatical errors...maybe 7 days next time?
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