Chapter 6 Troubleshooting Guide
Troubleshooting Suggestions
LTO-4 Half-Height Tape Drive User’s Guide
44
5
If the green status LED is on, but the tape drive is not recognized
during the SAS controller scan, use the front panel LEDs to determine
whether the drive passes the Power on Self Test (POST) functions.
(See
table 2
on page 14.)
6
If the front panel LEDs indicate that the drive has passed the POST
functions, check the SAS bus connections.
For the internal tape drive:
a
Shut down the system.
b
Verify that there are no SCSI ID conflicts between the tape drive
and other SAS devices.
c
Check the SAS cable for bent pins.
d
If possible, replace the SAS cable with one from another SAS
controller bus chain.
e
If checks
a
through
d
do not reveal a problem, contact Technical
Support to resolve the possible problem with the tape drive.
For the tabletop tape drive:
a
Shut down the system and cycle the tape drive AC power switch
through its Off/On positions.
b
Verify that there is no SCSI ID conflict between the tape drive
and other SAS devices.
c
Check the SAS cable for bent pins.
d
If possible, replace the SAS cable with one from another SAS
controller bus chain.
e
If checks
a
through
d
do not reveal a problem, contact Technical
Support to resolve the possible problem with the tape drive.
IF the LEDs show that
the tape drive . . . the
POST functions,
THEN . . .
fails
contact Technical Support to resolve
the possible problem with the tape
drive.
passes
proceed to step 6 to check for possible
SAS problems.