HP B6960-96035 User Manual download pdf (Page 229)

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Figure 66 Parallel restore session flow

In a parallel restore, Data Protector reads multiplexed data for all selected objects

and assembles the parts needed for all the objects on the fly, sending the right data

to the right Disk Agents. This improves performance when reading from the media.

The performance is additionally improved if the selected objects are written to different

physical disks. In this case, data is copied to multiple disks at the same time.

Fast multiple single file restore

Data Protector uses discontinuous object restore to improve restore performance.

After restoring a specific file or tree, Data Protector repositions itself directly on the

next file or tree on the medium, if there's at least a single segment between the files

or trees, and continues the restore.

Within an individual restore object you can start multiple Disk Agents. This way the

restoring of multiple single files that are located all over the medium is much faster

than if Data Protector were to traverse the medium.

Object copy sessions

This section describes how an object copy session is started, what happens during

the session, and the processes and services involved.

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HP B6960-96035 User Manual Page 229

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