Method, system and computer program

摘要

A method of and system for managing a storage medium (10) comprising a plurality of blocks (21). When a first block (22) is to be erased, a determination is made whether the wear level of the first block (22) is acceptable for executing said erasure. If so, the data on the first block (22) are erased. Otherwise a second block (23) is chosen with a lower wear level than the first block (22), and the data of the second block (23) is copied to the first block (22). Preferably, every block (22) has an associated counter for keeping track of the number of times it has been erased. As blocks that have been rarely erased in the past are less likely to be erased in the future, the first block (22) will subsequently be erased less often and therefore its lifetime is extended. The second block (23) can now be used to store new data and will be used more often.