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Avoiding disk-full problemsAvoiding disk-full problemsPosted Jun 7, 2012 8:33 UTC (Thu) by dgm (subscriber, #49227)In reply to: Avoiding disk-full problems by butlerm Parent article: Atime and btrfs: a bad combination?
That's something one should consider when making snapshots because, eventually, each snapshot _can_ come to duplicate the whole data.
People tend to forget that and think that COW is cheaper that full copy in terms of space. It's only initially, and maybe as long as the data remains unchanged.
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