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Troubleshooting: Dell™ PowerVault™ 110T SDLT 320 Tape Drive User's Guide
• Obtaining Drivers and Firmware Updates • General Guidelines • Problems with the Host System • Problems with the Drive and Cartridge • Interpreting the LEDs • The
Application Does Not Recognize the Tape Drive • Reinstalling the Backup Software • Reinstalling the Drivers for Microsoft Windows • Backup Software Errors
Obtaining Drivers and Firmware Updates
To obtain the latest operating system drivers and firmware upgrades, please visit http://support.dell.com.
General Guidelines
If you experience problems when using the tape drive, you should isolate the cause of the problem. For example, if you have just installed a new SCSI host bus adapter and
your system will not start, the cause of the problem is likely to be the adapter.
When installing multiple items of hardware and software, install one item at a time, restarting the system each time. Also, if you have installed multiple devices and software
and then experience problems, remove or uninstall each in turn to establish which one is causing the problem.
Remember that the system recognizes devices during boot-up: if you swap or connect a product when your system is running, be sure to reboot the system. Rebooting the
system resets devices and often resolves problems. It is good practice to reboot every time you add a driver or install firmware.
The first step in problem-solving is establishing whether the problem lies with the cartridge, the drive, the host system and its connections, or with the way the system is
being operated. If none of the following advice helps you solve the problem, refer to the
Problems with the Host System
Most modern SCSI host bus adapters (HBA) locate and display attached devices when the system is booting up. If the HBA does not detect the device at this stage, there is
probably a problem with the physical hardware: cables, termination, connections, power, or the HBA itself.
If your drive is found on system boot up but cannot be found in the operating system, this more likely indicates a software problem.
If...
Then...
System does not recognize the
System may not recognize the SCSI ID.
tape system.
SCSI ID may not be unique.
SCSI adapter parameters may not be correct.
SCSI signal cable may be loose.
SCSI terminator may be loose or not present on the bus.
SCSI bus may not be terminated correctly.
SCSI terminator may not be at end of bus or more than
two terminators may be present.
SCSI bus may be too long.
Too many devices on the bus.
A device may not have been turned on and a valid SCSI ID
may not have been configured prior to the system powering
on and loading BIOS.
The tape system does not
No power is reaching the tape system.
power up.
Nonfatal or fatal errors occur for
SCSI bus termination or the SCSI bus cable connections
which the cause cannot be
may be incorrect. The ac power source grounding may be
determined.
incorrect (tabletop drive version).
Problems with the Drive and Cartridge
If you press the Eject button and the tape cartridge does not unload and eject from the tape drive, an error has occurred that requires servicing. Remove the tape drive from the
system and return it to a service center. The tape cartridge will be removed and returned to you and the tape drive will be repaired.
Getting Help
section.
You should...
Make sure the appropriate device drivers are loaded.
Change the SCSI ID of the device that is causing the SCSI ID conflict and
reboot the system. The new ID becomes effective at the next power on or
SCSI bus reset.
Check SCSI adapter documentation.
Ensure SCSI cable is fully seated at each connector end.
Ensure correct, secure termination of bus.
If tape system is last or only device on bus (except for adapter), make sure
terminator is installed on tape system.
If tape system is not the last or only device on the bus, check the cable
connections and ensure that the bus is properly terminated at each end.
Ensure that a terminator is installed at each end of the bus. One terminator is
usually installed at the host end of the bus.
Limit bus length to ANSI SCSI standard for the SCSI interface being used.
Limit the number of devices on the bus (including the SCSI adapter) to match
the limits of the interface being used.
Turn drive power on first, and then turn on power to the system (for external
tape drives only; internal drives do not have a power switch). Do this so that
the drive is properly recognized by the system.
Check the tape system's power cable connection at the back of the system.
Ensure the SCSI bus is terminated and that all connections are secure.
Use an ac outlet for the tabletop tape unit on the same ac line used by the
host system.