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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.
bd151c87
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.