| CPC G06F 11/1451 (2013.01) [G06F 11/1456 (2013.01)] | 20 Claims |

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1. A method, comprising:
assigning, at a production site, a priority to one portion of a dataset to be backed up, and the one portion is one of a group of portions that together make up the dataset, and a respective priority of each of the portions of the dataset is relative to the respective priorities of the other portions of the dataset;
and
when an air gap between the production site and a storage vault is closed, and based on a relationship between the priority of the one portion and the respective priorities of one or more of the other portions, backing up, by way of the closed air gap, the one portion of the dataset to the storage vault.
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