Respond to this peer post: Fault tolerance is the ability to keep an operating system operating during component failures of one or more of its components. The object is to eliminate a single point of failure. If the system fails, it can stop the entire system from operating, but understanding and knowing how to avoid a single point of failure is the key. A fault$-$tolerant system with redundancy, RAID, and load balancing will keep a system operating even when physical components break or software fails $($Beavis$,$ R$.,2023).$

Adding redundancy can give you that peace of mind, that surety of knowing you can get through a single point of failure without any damage or downtime to the operating system. Redundancy is when you have extra components in place as backup in case of a single point of failure. Preventive maintenance and proactive monitoring can help to diminish single points of failure, but depending on a single unit for a critical service is risky business $($Brown$,$ D$.,2020).$ The fact is$,$ we don$$t know when disaster will strike, but we do know the components will fail at some time, so we need to be ready to remediate a component, and redundancy can avert a disaster.

To protect data in the case of single points of failure, redundant array of independent disks $($RAID$)$ is a way of storing the same data in different places, such as RAID $1$ mirroring of disks. There are different RAID levels, and understanding what your organization$$s needs are will depend on the type of RAID level you$$ll use. They improve performance by putting data on multiple disks. Increasing fault tolerance by storing data redundantly.

To receive consistency, enabling fault tolerance by load balancing allows network traffic to be distributed equally over multiple servers $($Beavis$,$ R$.,2023).$ A system with load balancers will monitor their pool of resources and reroute network traffic should one be under stress.