ILM offers several benefits to enterprises, including:
Controls data growth
Risk mitigation, compliance with data retention regulations
Storage cost reduction
Use policy-based storage
Increase application performance
Reduce backup and disaster recovery cycles
ILM can be applied to all types of data, including unstructured data, semi-structured, and structured or transactional. As the focus of this book is on structured data, the next sections of this chapter will delve into details on how ILM can be applied to structured and transactional data. There are two classes of structured applications. The first is transactional production data. The second is considered legacy application data in which no new transactions are being entered into these systems, but enterprises are required to keep these applications up and running for policy, historical, or legal reasons. There are two different paradigms that help enterprises implement ILM for these two classes of structured...