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Dell EMC Metro node 7.0.1 Product Guide

Site distribution

When two metro node clusters are connected together with metro node Metro, metro node gives you shared data access between sites. Metro node can withstand a component failure, a site failure, or loss of communication between sites and still keep the application and data online and available.

Metro node Metro ensures that if a data center goes down, or even if the link to that data center goes down, the other site can continue processing the host I/O.

In the following figure, despite a site failure at Data Center B, I/O continues without disruption in Data Center A.

Figure 1. Path redundancy: different sites
Path redundancy in different sites

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