HP NonStop G-Series - Manual (Page 34)

Installing the 5257 Tape Drive
5257/5257ACL Installation and User's Guide for NonStop Himalaya S-Series Tape Enclosures — 522344-001
3 -4
5257 Troubleshooting Chart
5257 Troubleshooting Chart
If the 5257 drive fails during POST or operation, use Table 3-3 to determine the problem
and the action to take.
Table 3-3. Troubleshooting Chart
If... Then... You Should...
System does not
recognize the tape
system. System may not be configured
to recognize the SCSI ID. Configure your system to
recognize the tape drive’s ID.
SCSI ID may not be unique. Change the SCSI ID and
reconfigure the system. The
new ID becomes effective at the
next power on or SCSI bus
reset.
SCSI adapter parameters may
not be correct. Check SCSI adapter
documentation.
SCSI signal cable may be loose. Ensure SCSI cable is fully
seated at each connector end.
SCSI terminator may be loose
or not present on the bus. Ensure correct, secure
termination of bus.
SCSI bus may not be terminate
correctly. If tape system is last or only
device on bus (except for
adapter), make sure terminator
is installed on the tape drive.
System does not
recognize the tape
system. If tape drive 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.
SCSI alternator may not be at
end of bus or more than two
terminators may be present. Ensure that a terminator is
installed at each end of the bus.
One terminator is usually
installed at the Himalaya server
end of the bus.
SCSI bus may be too long Limit bus length to ANSI SCSI
standard for the SCSI interface
being used.
Too many devices on the bus. Limit the number of devices on
the bus (including the SCSI
adapter) to match the limits of
the interface being used.