Patent ID: 8223652

Claim:
A storage system in which a host system includes a higher-level device and a storage apparatus providing a volume to said host system for reading and writing data are connected to each other via a plurality of paths, comprising: a path switching unit provided to said host system and executing path switching control for dynamically switching paths among said plurality of paths to be used by said host system according to a first policy, said first policy being that loads of a plurality of first paths connecting said host system to said volume become equal to each other; and a management unit for presenting information which relates each of said plurality of first paths to a condition of said each of said plurality of first paths on a display of said management unit, a second policy being set through said display by a user, said second policy being that at least one second path included in said plurality of first paths is excluded from being a target of said path switching control for dynamically switching the paths to be used by said host system, said management unit controlling said path switching unit to execute said path switching control based on said first policy and said second policy.