Storage system, cloud storage system, and computer program product

摘要

A cloud storage system that includes at least one interface that connects the cloud storage system to a data network, at least one non-volatile mass memory, and at least one control unit connected to the interface and to the at least one mass memory and arranged to 1) receive requests from a user with regard to data objects from the interface according to a data transmission protocol, 2) store data objects transmitted according to a write request in the at least one mass memory and 3) retrieve data objects requested according to a read request from the at least one mass memory, wherein a predetermined storage period is assigned to each data object, stored in the at least one non-volatile mass memory by a write request, at the latest upon receiving the write request, and the stored data objects in a predetermined group cannot be changed by subsequent requests according to the protocol via the interface before expiration of the assigned storage period.

主权项

1. A cloud storage system comprising:
at least one first interface that connects the cloud storage system to a data network arranged to receive requests from a user with regard to data objects of a predetermined group of data objects according to a data transmission protocol; at least one second interface arranged to authorize a deleting of the predetermined group of data objects, wherein the second interface cannot be addressed via the data network and/or the data transmission protocol; at least one non-volatile mass memory; and at least one control unit connected to the first interface and to the at least one mass memory and arranged to 1) receive the requests from the user with regard to data objects of the predetermined group of data objects from the first interface according to data transmission protocol, 2) store data objects transmitted according to a write request in the at least one mass memory and 3) retrieve data objects requested according to a read request from the at least one mass memory, wherein a predetermined storage period is assigned to each data object in the predetermined group of data objects, the assigned predetermined storage period begins at the time a data object is stored in the at least one non-volatile mass memory by a corresponding write request and includes an end date, the end date being predetermined or based on the corresponding write request, the stored data objects in a predetermined group cannot be changed by subsequent requests according to the protocol via the first interface before expiration of the assigned predetermined storage period, and the entire predetermined group of the data objects will be deleted after receiving confirmation from at least one authorized person through the second interface.