Status: Accepted
Owner: [email protected]
Labels: Type-Enhancement

New issue 1128 by [email protected]: Support state-of-record backend for htools
https://code.google.com/p/ganeti/issues/detail?id=1128

htools' luxi backend (-L) accesses state-of-world data, so typical hspace estimations are based on actual sizes of instances. While this is generally desirable, it can lead to discrepancies between its predictions and hail allocation failures, as the data provided to hail is state of record. (This can happen if a cluster is close to the capacity limit and contains resized but not rebooted instances.)

Therefore it would be useful to have a backend for htools that asks for precisely the same data that Ganeti will provide to the instance allocator.

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