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Dell NetWorker 19.9 Administration Guide

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Data recovery and volume selection

The NetWorker server determines which volumes are required for recovery. If the appropriate volume is currently mounted, the recovery begins. If the volume is not mounted and a library is used, the server attempts to locate and mount the volume in an eligible device for appropriate media pool. Preference is given to mount the volume in a read-only device, if one is available.

If a stand-alone device is used, or if the server cannot locate and mount the volume, the server sends a mount request notification.

If more than one volume is needed to recover the data, the NetWorker server displays all the volumes, in the order needed. During the recovery process, the server requests the volumes, one at a time.

NOTE:NetWorker will automatically unload volumes that have been placed in a jukebox device but have never been mounted (for example, nsrjb -l -n <volume>). Any command, such as the scanner command, that operates on volumes that have never been mounted will be affected by this behavior. To prevent NetWorker from unloading the volume, the device should be set to service mode while the command is being run.

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