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Administrator's Guide


Attaching an Automated Library Device

  1. Install the SCSI adapter card in your system, if not already installed.
  2. Determine the SCSI IDs available on the SCSI adapter card to which you are attaching the device. Find one unused SCSI ID for each drive, and one unused SCSI ID for the library or autochanger controller.
    Note:
    In some automated libraries, the drives and the autochanger share a single SCSI ID, but have different LUNs. For these libraries, only a single SCSI ID is required. Check the documentation for your device.
  3. Follow the manufacturer's instructions to set the SCSI ID for the drives to the unused SCSI IDs that you found. You may have to set switches on the back of the device or set the IDs on the operator's panel.
    Note:
    Each device that is connected in a chain to a single SCSI bus must be set to a unique SCSI ID. If each device does not have a unique SCSI ID, serious system problems can arise.
  4. Follow the manufacturer's instructions to attach the device to your server system hardware.

    Attention:

    1. Power off your system before attaching a device to prevent damage to the hardware.

    2. Attach a terminator to the last device in the chain of devices connected on one SCSI adapter card. Detailed instructions should be in the documentation that came with your hardware.
  5. Install the appropriate device drivers. See Installing and Configuring Device Drivers.
  6. Find the device worksheet that applies to your device. See http://www.tivoli.com/support/storage_mgr/tivolimain.html.
  7. Determine the name for each drive and for the library, and record the names on the device worksheet.

    The device name for a tape drive is a special file name. See Determining Device Special File Names for details.

Keep the Worksheets: The information you record on the worksheets can help you when you need to perform operations such as adding volumes to an autochanger. Keep the work sheets for future reference.

Setting the Library Mode

For the Tivoli Storage Manager server to access a SCSI library, set the device for the appropriate mode. This is usually called random mode; however, terminology may vary from one device to another. Refer to the documentation for your device to determine how to set it to the appropriate mode.

Notes:

  1. Some libraries have front panel menus and displays that can be used for explicit operator requests. However, if you set the device to respond to such requests, it typically will not respond to Tivoli Storage Manager requests.

  2. Some libraries can be placed in sequential mode, in which volumes are automatically mounted in drives by using a sequential approach. This mode conflicts with how Tivoli Storage Manager accesses the device.


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