Quantum ValueLoader User Manual page 64

Diagnostics and Troubleshooting
Troubleshooting
Problem
Cannot write to, or read
from a tape
SCSI ID
Change drive or robotic
ID, but the host server
does not recognize the new
ID
50
Solution
• Make sure the cartridge is write enabled (move the write-
protect switch to the enabled position).
•
For ValueLoader LTO-1
Ultrium-1 cartridge.
For ValueLoader LTO-2
Ultrium-2 cartridge.
• Make sure the cartridge has not been exposed to harsh
environmental or electrical conditions and is not physically
damaged in any way.
• Many backup applications do not read or write to, cartridges
that were created using a different backup application. In this
case, you may have to perform an erase, format, or label
operation on the cartridge.
• Make sure you understand any data protection or overwrite
protection schemes that your backup application may be
using, which could prevent you from writing to a given
cartridge.
• Retry the operation with a different, known good tape.
• Clean the tape drive (see
• Make sure all SCSI devices on the same bus have a unique ID
number.
• If the SCSI bus is narrow (50-pin), only SCSI IDs 0 through 7
are available.
• Make sure to power cycle the ValueLoader after changing the
SCSI ID.
• Reboot the host server.
ValueLoader LTO-1/LTO-2 Tape Autoloader User Manual
, make sure the cartridge is an LTO
, make sure the cartridge is an LTO
Cleaning the Tape Drive on page 31).