Patent ID: 7353352
Filing Date: 2008-04-01
Classification: G06F,Y10S

Abstract:
1. A backup system, comprising: a first storage unit configured to store first data using a first storage form; a second storage unit configured to store second data using a second storage form; a backup storage unit configured to store backup data for the first data and the second data; a storage form converter configured to convert into data for the second storage form, the first data stored in the first storage form by the first storage unit, wherein the storage form converter is coupled to the first storage unit and the second storage unit, and wherein for each time interval t a backup manager coupled to the second storage unit and the backup storage unit, wherein the backup manager is configured to copy into the backup storage unit the first data and the second data stored in the second storage form, without being aware of whether the data was stored in the first storage unit or in the second storage unit, and wherein each time a converted data segment is stored in the second storage unit, the backup manager is configured to copy the converted data segment that is stored in the second storage unit to the backup storage unit.