Failure Analysis Essay

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->Explain failure analysis.
Failure Analysis
Failure analysis involves analyzing the data center to identify systems that are susceptible to a single point of failure and implementing fault-tolerance mechanisms such as redundancy.

=> Single Point of Failure
A single point of failure refers to the failure of a component that can terminate the availability of the entire system or IT service. Figure 11-4 illustrates the pos- sibility of a single point of failure in a system with various components: server, network, switch, and storage array. The fgure depicts a system setup in which an application running on the server provides an interface to the client and performs I/O operations. The client is connected to the server through an IP network, the server is connected to the storage array through a FC connection, an HBA installed at the server sends or receives data to and from a storage array, and an FC switch connects the HBA to the storage port.
In a setup where each component must function as required to ensure data availability, the failure of a single component causes th...

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