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On 11/01/16 10:22, Peter Maloney wrote:
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.
oops forgot the "-" in the commands.... corrected:
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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