- Sun Storage Virtual Tape Library VTL User Guide

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 cau s e.
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.