VSP One SDS Block consists of a storage cluster, a protection domain, fault domains, and storage nodes.
The internal configuration of VSP One SDS Block is shown following.
- Fault domain
- A group of storage nodes that share a power system and a network switch. A configuration that allows storage nodes in one fault domain to continue operating if another fault domain is healthy, even if they become abnormal.
- For details about fault domains, see Settings and functions for fault tolerance supported by VSP One SDS Block.
- Internode network
- Network of storage nodes. It is used to communicate user data and management information between storage nodes.
- Protection domain
- Configuration to limit the scope of impact in the event of a storage node failure, a network failure between storage nodes, and others. All you have to do is set the name in setup. The number of protection domains is fixed by 1.
- Storage cluster
- VSP One SDS Block refers to a collection of multiple storage nodes functioning together as a single virtual storage system.
- Storage node
- A generic name of physical servers that make up VSP One SDS Block and process groups of VSP One SDS Block software running on those physical servers. This node is set up by using the setup operation.