On 11/01/16 06:57, xxhdx1985126 wrote: > Hi, everyone. > > I'm trying to write a program based on the librbd API that transfers > snapshot diffs between ceph clusters without the need for a temporary > storage which is required if I use the "rbd export-diff" and "rbd > import-diff" pair.
You don't need a temp file for this... eg. ssh node1 rbd export-diff rbd/blah@snap1 | rbd import-diff rbd/blah ssh node1 rbd export-diff --from-snap snap1 rbd/blah@snap2 | rbd import-diff rbd/blah
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