Sun Microsystems Virtual Tape Library - Manual (Page 251)

96267 • G Appendix C Troubleshooting 237
3. Using the VTL console, load a tape into a virtual drive.
While most raw device utilities work with tape drives, they cannot, in most cases,
load tapes. Even if some can move tapes, you need to know the exact address of
the tape and the drive.
4. Attempt to access the device using the raw utility.
5. If you cannot access the device, go to “The operating system cannot access the
device” on page 237.
6. If you can access the device, go to “The operating system can access the device.”
on page 237.
Case: The operating system cannot access the device
1. If the operating system cannot access the device, make sure that physical
storage resources are accessible and in read/write mode.
2. Check the Event Log or syslog (/var/adm/messages) for I/O errors.
I/O error messages usually begin with log_scsi_error .
3. Make sure that the adapter driver on the client is certified for use with VTL.
Case: The operating system can access the device.
1. If the operating system can access the device, the backup software is causing
the problem. Consult the application documentation and/or application vendor
customer support.
2. Make sure that you have the correct drivers.
Problems during import/export operations
Issue: Import/Export does not work as expected
Indications: Import/export operations fail or result in unexpected behavior.
Diagnostics: Determine the cause.
Case: Tape devices and/or media types are mismatched
1. Make sure that you are importing from or exporting to the same type of media
and device.