A technology capable of achieving the LU migration in terms of a file system and a logical volume and the effective migration in a host computer which provides a file system function and a logical volume function is provided. A computer system has I/O access unification and management means that obtains...http://www.google.com/patents/US7395370?utm_source=gb-gplus-sharePatent US7395370 - Computer system, data management method, and program for determining a migration method based on prediction of a migration influence
