Management device, management method, and medium

A management method comprising:

• detecting a failure in a plurality of paths which connect servers, on at least one of which a virtual machine operates, with a storage device;
• specifying the virtual machine operating on the failed server that is the server which is connected by the path in which the failure is detected;
• calculating, for each of the servers, a first redundancy degree of the server with respect to the storage device, which represents a degree of redundancy of the path between the server and the storage device;
• selecting, among the servers, a server having the degree of redundancy higher than the degree of redundancy of the failed server on the basis of the first redundancy degrees of the servers;
• and
• transmitting migration instruction information including an identifier of the specified virtual machine and an identifier of the selected server.

A non-transitory computer-readable medium storing a management program which causes a computer to function as:

• a failure detection unit which detects a failure in a plurality of paths which connect servers, on at least one of which a virtual machine operates, with a storage device;
• a specifying unit which specifies the virtual machine operating on the failed server that is the server which is connected by the path in which the failure is detected;
• a redundancy calculation unit which calculates, for each of the servers, a first redundancy degree of the server with respect to the storage device, which represents a degree of redundancy of the path between the server and the storage device;
• a selection unit which selects, among the servers, a server having the degree of redundancy higher than the degree of redundancy of the failed server on the basis of the first redundancy degrees of the servers;
• and
• a transmission unit which transmits migration instruction information including an identifier of the specified virtual machine and an identifier of the selected server.