A method includes accessing a first top level entry of a first table of the base volume, the first top level entry having at least a first bottom level entry. The method also includes receiving a first request for a metadata snapshot of the base volume, including the first bottom level entry. The method also includes generating a second top level entry of the first table, the second top level entry configured to point to the at least first bottom level entry of the first table, and the second top level entry configured to operate as a first snapshot of the first table including the at least first bottom level entry.