[openstack-dev] [OpenStack-dev][Cinder] Driver stats return value: infinite or unavailable

Eduard Matei eduard.matei at cloudfounders.com
Thu Dec 18 08:56:17 UTC 2014

Hi everyone,

We're in a bit of a predicament regarding review:

Two days ago it got a -1 from John G asking to change infinite to
unavailable although the docs clearly say that "If the driver is unable to
provide a value for free_capacity_gb or total_capacity_gb, keywords can be
provided instead. Please use ‘unknown’ if the array cannot report the value
or ‘infinite’ if the array has no upper limit." (

After i changed it, came Walter A. Boring IV and gave another -1 saying we
should return infinite.

Since we use S3 as a backend and it has no upper limit (technically there
is a limit but for the purposes of our driver there's no limit as the
backend is "elastic") we could return infinite.

Anyway, the problem is that now we missed the K-1 merge window although the
driver passed all tests (including cert tests).

So please can someone decide which is the correct value so we can use that
and get the patched approved (unless there are other issues).


*Eduard Biceri Matei, Senior Software Developer*
 | eduard.matei at cloudfounders.com

*CloudFounders, The Private Cloud Software Company*

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