Quantum 200D/400D Guía de usuario descargar pdf (Pagina 36)

24 Troubleshooting and Diagnostics

Troubleshooting Chart

If the LTO standalone fails during POST or operation, use the following table to determine the problem and the action to take:

Table 4-1 Troubleshooting Chart

Condition Possible cause Corrective action

The host system does not

recognize the LTO standalone

unit

The system may not be configured

to recognize the SCSI ID

Configure the system to see the ID.

The SCSI ID might not be unique Change the SCSI ID and reconfigure the

system. The new ID takes effect at the next

power-on.

The parameters for the SCSI

adapter may be incorrect

Check the SCSI adapter installation.

The SCSI cable may be loose Make sure the connector on each end of the

cable is fully seated and the jackscrews are

secure.

The SCSI terminator may not be

present or might be loose

Install the terminator; make sure the

terminator is fully seated and the

jackscrews are secure.

The SCSI bus may not be correctly

terminated

If the LTO standalone unit is the last or

only device on the bus, make sure the

terminator is installed on the LTO

standalone.

If the LTO standalone unit is not the last or

only device on the bus, check the cable

connections and make sure the terminator

is installed at the end of the bus.

The SCSI terminator may not be at

the end of the bus, or more than

two terminators may be present

Be sure to install a terminator at each end

of the bus. One terminator is usually

installed at the host system.

The SCSI bus might be too long Limit the SCSI bus length to 12 meters

(39.4 feet) for LVD configurations, and 25

meters (82 feet) for HVD configurations.

Too many devices might be on the

bus

Limit the number of devices on the bus.

Check the system configuration rules.

The LTO standalone unit does

not power up

The LTO standalone unit has no

power

Check the LTO standalone unit power

cable connections with the LTO standalone

unit power switch OFF.

Undetermined fatal or nonfatal

errors have been detected.

The bus termination or SCSI signal

cable connections might be

incorrect

Make sure the SCSI bus is terminated.

The AC power source grounding

might be incorrect

Use an AC outlet for the LTO standalone

unit on the same AC circuit as the AC line

powering the host system.

The single-character display

presents any character other than

A drive fault has occurred Try to unload the tape and reinitialize the

drive by pressing the Unload button or

turn the LTO standalone unit power off and

then on again.

The single-character display will go blank

and the drive will try to reinitialize. The

single-character display will turn on and

display several characters and then go off if

the reinitialization succeeds.

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