Correlating tape drives and SCSI addresses on Windows hosts
If your tape drives do not support device serialization, you may have to determine which logical device name or SCSI address matches the physical drive. You also may have to do so if you add the tape drives manually.
To correlate tape drives and SCSI addresses on Windows hosts
- Note the SCSI target of the drive.
- Correlate the SCSI target to the drive address by using the robot's interface panel. Alternatively, examine the indicators on the rear panel of the tape drive.
- Determine the physical drive address (for example, number) by checking labels on the robot.
- Configure the robot in NetBackup and then add the drives.
When you add the drives, ensure that you assign the correct drive address to each set of SCSI coordinates.
Optionally, use the appropriate NetBackup robotic test utility to verify the configuration.
For more information about the robotic test utilities, see the NetBackup Troubleshooting Guide.
To verify the device correlation Windows
- Stop the NetBackup Device Manager (ltid).
- Restart ltid, which starts the Automatic Volume Recognition process (avrd). Stop and restart ltid to ensure that the current device configuration has been activated.
If robotic control is not local to this host, also start the remote robotic control daemon.
- Use the robotic test utility to mount a tape on a drive.
- Use the NetBackup Device Monitor to verify that the tape was mounted on the correct robot drive.
For Windows hosts only.
Assume that a TLD robot includes three drives at the following SCSI addresses:
|
Drive 1 |
5,0,0,0 |
|
Drive 2 |
5,0,1,0 |
|
Drive 3 |
5,0,2,0 |
Also assume that you requested that the tape be mounted on drive 1.
If the SCSI coordinates for the drive are configured correctly, the Administration Console Device Monitor shows that the tape is mounted on drive 1.
If the Device Monitor shows that the tape is mounted on a different drive, the SCSI coordinates for that drive are not correctly configured. For example, if the Device Monitor shows that the tape is mounted on drive 2, the SCSI coordinates for drive 1 are incorrect. Replace the drive 1 SCSI coordinates (5,0,0,0) with the correct SCSI coordinates (5,0,1,0) for drive 2. You also know that the SCSI coordinates for drive 2 are incorrect. Possibly, the SCSI coordinates were swapped during configuration.
Use the robotic test utility to unload and unmount the tape from drive 1. Repeat the test for each drive.
If the data path to the drive in which the tape is mounted is not on the robot control host, you may have to unload the drive. To do so, use a command on another host or use the drive's front panel.