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"replication_rpo_range" currently gets set with two values - a lower and an 
upper bound. File cinder/scheduler/filter_scheduler.py:118 has
    if target_rpo < rpo_range[0] or target_rpo > rpo_range[1]:

Why do we check for "target_rpo > rpo_range[1]"?

"Don't use that one if replication is too fast?" Because we'd like to 
revert to an older state?
I believe that using snapshots would be more sane for that use case.

Or I just don't understand the reason, which is very likely, too.


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: Ing. Philipp Marek
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