|
|
To create a storage unit of a tape robot or a stand-alone tape drive, select Media Manager as the Storage unit type.
See See About storage unit settings.
When NetBackup sends a job to a Media Manager storage unit, it requests resources from the Enterprise Media Manager (EMM). Then NetBackup requests that Media Manager mount the volume in a drive.
If a stand-alone drive does not contain media or if a required volume is not available to a robot, a mount request appears in the Pending Requests pane of the Device Monitor. An operator can then find the volume, mount it manually, and assign it to the drive.
Take the following items into consideration when adding a Media Manager storage unit:
If using NetBackup Enterprise Server:
Add the storage unit to the master server. Specify the media server where the drives attach.
Add the storage unit to the master server where the drives attach. The robotic control must also attach to that server.
The number of storage units that you must create for a robot depends on the robot's drive configuration as follows:
Drives with identical densities must share the same storage unit on the same media server. If a robot contains two drives of the same density on the same media server, add only a single storage unit for the robot. Set the Maximum concurrent write drives setting to 2.
Drives with different densities must be in separate storage units. Consider an STK SL500 library that is configured as a Tape Library DLT (TLD). It can have both half-inch cartridge and DLT drives. Here, you must define a separate storage unit for each density.
Applies only to NetBackup Enterprise Server. If a robot's drives and robotic control attach to different NetBackup servers, specify the server where the drives attach as the media server. Always specify the same robot number for the drives as is used for the robotic control.
Stand-alone drives with the same density must be in the same storage unit.
For example, if a server has two 1/4-inch qscsi drives, add a storage unit with Maximum concurrent write drives set to 2. Media and device selection logic chooses the drive to use when NetBackup sends a backup to this storage unit. The logic is part of the Enterprise Media Management (nbemm) service.
Stand-alone drives with different densities must be in different storage units.
A robot and a stand-alone drive cannot be in the same storage unit.