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Knowing how well Enterprise Vault is performing helps you decide whether it is necessary to change the configuration by adding or moving components, or by modifying existing components.
Hierarchical Storage Management (HSM) software, if available, may provide the following information to help you improve the performance of Enterprise Vault:
The time newly-archived items wait to be backed-up. If this is too long, the Archiving Agent and the Storage service will have many uncompleted archive requests.
The time newly-archived items wait to be moved to offline storage. If this is too short, and items are being moved offline quickly, then more recalls from offline storage may be generated.
The number of times an archived item is restored from online storage. If too many items are being restored too many times, they may be being archived too soon. If the same items are being continually transferred between the Microsoft Exchange Server store and Enterprise Vault, you may need to increase the size of the Microsoft Exchange Server message store relative to the size of the Enterprise Vault online store.
The number of times an archived item is recalled from offline storage. If too many items are being recalled too many times, the online storage area may be too small.
The time taken to recall items from offline storage. This time is dependent on the HSM but can be used to give Enterprise Vault users expected recall times.