Patent ID: 8650158
Filing Date: 2014-02-11
Classification: G06F

Abstract:
1. A computer program product for cloning a file across filesets in a clustered file system, the computer program product comprising: a non-transitory computer readable storage medium having computer readable program code embodied therewith, the computer readable program code configured to, determine that a write request indicates a clone file that was cloned from a file in a first fileset, wherein the clone file is of a second fileset and a clustered file system comprises the first fileset and the second fileset; determine a data block of the clone file affected by the write request; determine that the data block at a current location cannot be modified based on whether the data block and the clone file are part of a same fileset, wherein the computer readable program code being configured to determine that the data block at the current location cannot be modified comprises the computer readable program code being configured to in response to a determination that the data block at the current location cannot be modified,