Which grid node type is responsible for managing an object's data and metadata storage, including data protection?

The storage node type is responsible for managing an object's data and metadata storage, along with ensuring data protection. In a grid architecture, storage nodes handle the actual data blocks and files, including tasks related to the management of data reliability and redundancy, which are crucial for data protection strategies. These nodes are equipped with the mechanisms to perform data replication, backup, and integrity checks to protect against data loss or corruption.

The other types of nodes mentioned serve different purposes within the grid. Compute nodes primarily handle processing tasks and run applications; they are focused on computing power rather than data storage. Metadata nodes focus on the management and organization of metadata related to the stored data, facilitating better access and retrieval of information, but they do not directly manage the physical storage of data. Control nodes oversee the overall operation of the grid environment and manage orchestration and communication among nodes, but they are not involved in the direct storage management of data and metadata.

Therefore, the storage node is fundamental for handling the responsibilities of data and metadata management, ensuring both the availability and security of the data stored within the grid.