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Subcluster Configuration

A Dell DX Storage Cluster can be split into two or more subclusters. The

subclusters are physically part of the same cluster but are recognized as

logically separate entities by the DX Object Storage software that provides

local area replication.

A subcluster can be:

•

A set of nodes within one physical group (such as building, floor, wing,

and so on)

•

An environmental group (such as rack, network switch, and power

circuit)

•

Any other defined groups

If the building or power circuit fails, other nodes have an optimal set of data

replicas. See Figure 2-3.

All DX Storage Nodes within the DX Storage Cluster have the same network

connectivity requirements. The DX Storage Nodes must be in the same IP

subnet, must be able to participate in multicast and UDP traffic, and so on.

Clients may address DX Storage Nodes within any subcluster and are

redirected to the proper DX Storage Node. As a result, application awareness

of a subcluster configuration is not required.

For more information about subclusters, see "Local Area Replication" in the

DX Object Storage Advanced Administration Guide at

support.dell.com/manuals.

DX Object Storage Platform Overview