Patent ID: 8195696
Filing Date: 2012-06-05
Classification: G06F

Abstract:
1. A file format converting method for converting a first format file in a first file system to a second format file in a second file system in a storage apparatus, the file format converting method comprising: creating a temporary file, the temporary file having a temporary allocation table; defining a data size of the temporary file as a first predetermined value in the temporary allocation table; defining a start position of the temporary file in the temporary allocation table to be the same as a start position of the first format file; updating the data size of the temporary file in the temporary allocation table according to a data size of the first format file to obtain the second format file; dividing the storage apparatus in advance into a plurality of storage units before storing the first format file; and when the first format file is stored in a number of consecutive ones of the storage units, modifying information in at least one first file allocation table of the first format file, the information corresponding to the consecutive ones of the storage units of the first format files, such that the consecutive ones of the storage units are connected.