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Christos Stavrakakis authored
If Ganeti has not enabled 'plain' or 'drbd' disk template, then it reports 'dfree' as None. Fix this corner case by treating None as 0.
0462e60c
If Ganeti has not enabled 'plain' or 'drbd' disk template, then it reports 'dfree' as None. Fix this corner case by treating None as 0.