On Thu, Feb 14, 2019 at 01:57:20PM +0800, Bob Liu wrote: > > Now the initial/default value is 1 indicating only one copy of data. > Would nr_copy be more accurate? > Well, it's at least shorter; the problem is that it's not really another "copy" of the data, it's just that it can simply be different (multiple) ways of reconstructing the data. I suppose we could say that it's a virtual copy. In any case, I can't think of a better term, so nr_copy is probably as good as any. Cheers, - Ted