Information life cycle management (ILM):
A storage management discipline that aims to manage data from creation to deletion, or "cradle-to-grave," as its value changes over time. Typically built upon hierarchical storage management (HSM) technolog...
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y, which provides data movement between different tiers of storage (online disk vs. tape, for example), ILM also adds a policy engine to help administrators automatically match data with an appropriate medium, as well as data protection and archival strategy.
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