When generate a snapshot using a rbd backend, we should use flatten mode to instead of generating and uploading process
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Ray
Currently, when we generate a snapshot using a rbd backend, firstly we should generate the image to a file system, then upload it to glance service, this costs a lot of time during the data transmission.
In ceph, we can flatten our snapshot and make it independency with each other, and that will reduce lots of on data transmission.
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This *sounds* sensible, but I'm not really sure I understand the implications. Can you provide some links to info about flatten mode? Thanks!
markwash more-info 2014-02-18
If someone is going to help to define and work on this blueprint, please assign yourself. Thanks!
markwash abandoned 2014-03-07
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