Operating The Drive; Power-On Self-Test - HP LTO Ultrium Technical Reference Manual

8 Operating the drive

Power-on self-test

When powered-on, the tape drive will run its hardware self-test:
• In a server, internal drives are powered on when you switch on your computer.
• In a tape array, removable drives are powered on when you switch on your tape array and
computer.
• In a tape library, installed drives are controlled through the tape library operator panel. Refer to
the tape library documentation for details. see also
• For standalone drives, switch on external drives using the power switch on the front panel, and
then switch on the host computer.
During the test the 'Ready' LED flashes and all the other LEDs are off. On successful completion the
'Ready' LED is on. If the self-test fails, the 'Drive Error' and 'Tape Error' LEDs flash, while the 'Ready'
and 'Clean' LEDs are off. This continues until the drive is reset.
• If you have just installed the drive, check the installation for loose connections, reset the drive and
repeat the self-test.
• Try the Chapter 9
• If the fault condition persists, call for assistance.
on page 61 to determine what the problem is.
"Operating drives" on page 60.
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