Storage system storing user identification information and cloud system including the same

A storage system, comprising:

• a controller configured to control an overall operation of the storage system;
• a memory including a plurality of user areas respectively allocated to a plurality of users and configured to store user identification information regarding the plurality of users in the plurality of user areas, respectively;
• and
• a plurality of storage devices including a plurality of user storage spaces allocated for the plurality of users,
• wherein, when a function setup request comprising user credential information of a first user from among the plurality of users is received, the controller is configured to
• switch a user area for the first user in the memory from a locked state to a read-only state,
• read user identification information regarding the first user from the user area for the first user in the memory, and
• perform setup of an encryption function for the user storage space for the first user in the plurality of storage devices, based on the user identification information regarding the first user.

A cloud system, comprising:

• a computing device configured to perform calculations for a plurality of users through a plurality of virtual machines, respectively;
• and
• a storage system configured to store data of the plurality of users,
• wherein the storage system includes
• a controller configured to control an overall operation of the storage system;
• a memory including a plurality of user areas respectively allocated to the plurality of users and configured to store user identification information regarding the plurality of users in the plurality of user areas, respectively;
• and
• a plurality of storage devices including a plurality of user storage spaces allocated for the plurality of users, and
• the computing device is configured to
• transmit a user setup request for a new user to the controller, and
• in response to the user setup request, the controller is configured to
• allocate a user area for the new user in the memory,
• generate user identification information regarding the new user, based on user credential information of the new user included in the user setup request,
• store the user identification information regarding the new user in the user area for the new user, and
• allocate a user storage space of the new user in the plurality of storage devices.