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The Duplicate on Change service provides a way to ensure that the content stored in DuraCloud is synchronized between two different storage providers. The Duplicate on Change service duplicates any changes made to spaces, content, or metadata properties on the store being watched by the service. This means that once the Duplicate on Change service is deployed, it notices all content that is added, updated, or deleted on the watched DuraCloud provider and performs the same functions on a secondary provider. All content that is copied will be placed in an identically named space in the secondary storage location with the same metadata property fields attached. The duplication provided by this service is one-way; changes made to the secondary provider will not be reflected in the primary.
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- Watch this store: The primary storage location which DuraCloud will monitor for changes. When spaces, content, or metadata properties are added, updated, or deleted in this store, the same actions will be taken in the secondary store.
- Apply to this store: The secondary store where changes from the primary store will be applied.
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The Duplicate On Demand service provides a simple way to duplicate content from one space to another. This service is primarily focused on allowing the duplication of content from the primary storage provider to a secondary provider. To begin, a source space is chosen, along with a store and space to which content will be duplicated. The service then performs a copy of all content and metadata properties in the source space to the duplication space, creating the space if necessary. When the service has completed its work, a results file will be stored in the chosen space and a set of files (primarily logs) created as part of the process will be stored in the work space.
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