International Business Machines Corporation

James Michael Van Oosbree

Leon Edward Gregg

James Lawrence Tilbury

Armin Harold Christofferson

Thomas Alan Bjork

Disclosed is a system, method, and program for processing an input file in a file system, wherein the input file has an input file name. A function is applied to map the input file name to a value. A data structure is processed to determine whether there is a preexisting file in the file system having a name that maps, according to the function, to the same value to which the input file name maps. Two files that map to a same value according to the function are capable of having a same name.

Method, system, and program for accessing files in a file system

A method, apparatus and article of manufacture for copying information from a first storage medium to a second storage medium. A first storage medium of memory blocks is mapped into at least one data block and at least one directory block. Two passes of the first storage medium are then performed. In the first pass, each data block is copied from the first storage medium to the second storage medium. If a read error occurs while copying a data block, a location of the data block and a data file stored in the data block are identified to provide future error handling capability. In the second pass, each directory block is copied from the first storage medium to the second storage medium.

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Rochester, MN, United States of America

James Michael Van Oosbree