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Hitachi Vantara Knowledge

Storage administration

By default, HCP stores all objects in a repository on primary running storage. However, you can use HCP S Series Nodes as an alternative to primary running storage. HCP also supports the use of primary spindown storage (SAIN systems only), HCP S Series storage (storage provided by S Series Nodes), and extended storage for tiering purposes.

HCP is automatically configured to access and use primary running storage and primary spindown storage. HCP can also be configured to write directly to S Series Nodes. To configure HCP to store objects on S Series Nodes, you need to set up a service plan that targets S Series Node storage as the ingest tier.

HCP S Series storage and extended storage can be used for tiering object data. To enable tiering, you need to manually configure HCP to access each physical storage device and cloud storage service endpoint. Regardless of the tier on which the data is stored, a copy of the object metadata must always remain on primary running storage.

A service plan defines the ingest tier and one or more storage tiers that can be used to store objects in a namespace. For each object, at any point in the object lifecycle, the service plan specifies the criteria that determines where the objects are initially ingested, which storage tiers are used to store copies of that object, and the number of copies of that object that must be stored on each tier.

 

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