Sun Microsystems Virtual Tape Library Manual do Utilizador descarregar pdf (Página 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 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.

1 2 ... 246 247 248 249 250 251 252 253 254 255 256 ... 291 292

Sem comentários

Sun Microsystems Virtual Tape Library Manual do Utilizador Página 251