Management computer and management method for storage system

A management computer of a storage system, comprising:

• an interface device;
• a memory device;
• and
• a processor connected to the interface device and the memory device, wherein
• the storage system includes a first storage device having a plurality of system resources and a second storage device having a plurality of system resources,
• the first storage device is a storage device as a target of self-management,
• the self-management is storage management by a self-management user,
• the self-management user is a purchaser or a user of the first storage device or a person belonging to the purchaser or the user,
• the second storage device is a storage device as a target of managed management,
• the managed management is storage management by a managed management user,
• the managed management user is a vendor of the second storage device or a person belonging to the vendor,
• the memory device stores user management information and resource management information,
• the user management information is information indicating whether a type of the management user is the self-management user or the managed management user for each management user,
• the resource management information is information indicating which management user manages and whether or not to perform the managed management for each system resource, and
• the processor is configured to
• receive designation of an operation content and an operation target resource from a management user of a first type, and
• change an influence authority that is an authority of an operation regarding an influence for a management user of a second type to a maintaining authority that is an authority not to influence an environment realized by construction including performing an operation according to the operation content for the operation target resource and then perform the operation according to the operation content for the operation target resource in a case where the processor specifies that the operation target resource is a system resource managed by the management user of the second type from the user management information and the resource management information, specifies that the operation according to the operation content for the operation target resource influences storage management by the management user of the second type, and specifies that there is authority change permission from the management user of the second type.