Patent ID: 7979905

Claim:
A storage system having an operation host, external storage apparatus providing volumes having storage regions for data to the operation host, and a management host for managing the operation host and the external storage apparatus, the operation host comprising: a virus check section executing virus checks on the volumes periodically or irregularly; and a first virus infected state management section for sending infected state information to the management host according to results of detection when the virus check section detects that the volume is infected with a virus, and the management host comprising: a second virus infected state management section executing predetermined processing to put the state of a path with the volume infected with a virus offline based on infected state information when the infected state information is received from the operation host, wherein the management host holds related information that is information relating to correlation between the operation host and the volume, and the second virus infected state management section determines whether or not another operation host other than the operation host is using the volume infected with a virus when the infected state information is received from the operation host, and executes predetermined processing to put the state of a path between the another operation host and the volume infected with a virus offline when the another operation host is present.