What is the main focus of disaster recovery planning in storage?

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Disaster recovery planning in storage is about preparing to restore data and services after a disruption. It involves setting recovery objectives, choosing data protection strategies such as backups and replication, outlining failover and restoration procedures, and regularly testing them to ensure operations can resume quickly after a failure or site loss. This focus—how to get data back and keep services running despite a disaster—is exactly what planning and implementing methods to restore data and services after a failure or site loss means. While hot spares help keep systems available locally, they don’t cover recovery from larger disasters; encryption protects data but doesn’t address restoring operations; and optimizing I/O during peak loads is about performance, not recovery after failure.