| 摘要 |
The invention relates to a data processing method comprising generating meta-data for each data file stored by back-up servers of a set of back-up servers on a storage medium of a plurality of storage media. The meta-data of a data file comprises the file name of the data file, a content-specific identifier and an access path for the data file. The content-specific identifier relates to the data content comprised in the data file and the access path specifies on which storage medium on the plurality of storage media the data file is stored. The method further comprises storing the meta-data of each data file in a database, wherein the database enables the identification of data files having the same data content by use of the content-specific identifiers of the data files as these data files have identical content-specific identifiers. |
