Information Lifecycle Management (ILM) is a policy set defined within an organisation and relating to the rules that define the creation, storage and retrieval of business information.  ILM policy consists of the overarching storage and information policies that drive management processes. Policies are dictated by business goals and drivers. Therefore, policies generally tie into a framework of overall IT governance and management, change control processes, requirements for system availability and recovery times; and service level agreements (SLA). Operational aspects of ILM include backup and data protection; disaster recovery, restore, and restart; archiving and long-term retention; data replication; and day-to-day processes and procedures necessary to manage a storage architecture.

The Information Technology and Information Storage Industries Association (SNIA) define Information Lifecycle Management (ILM) as:

Information Lifecycle Management comprises the policies, processes, practices, and tools used to align the business value of information with the most appropriate and cost effective IT infrastructure from the time information is conceived through its final disposition. Information is aligned with business processes through management policies and service levels associated with applications, metadata, information, and data.

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