Redundant Storage
Redundant storage is a data storage strategy that involves maintaining multiple copies of data across different physical or logical locations to ensure availability and prevent data loss in case of hardware failures, disasters, or other disruptions. It is a fundamental component of data protection and disaster recovery plans, often implemented through techniques like replication, mirroring, or erasure coding. This concept is widely used in enterprise IT, cloud computing, and distributed systems to achieve high reliability and fault tolerance.
Developers should learn and implement redundant storage when building systems that require high availability, data durability, or compliance with regulatory standards, such as financial applications, healthcare databases, or e-commerce platforms. It is crucial for preventing data loss from single points of failure, like disk crashes or network outages, and ensures business continuity by enabling quick recovery. In cloud environments, redundant storage is often a built-in feature of services like AWS S3 or Azure Blob Storage, making it essential for scalable and resilient architectures.