IBM 25R0012 User Guide - Page 32

Function, Maintenance, Drive, Diagnostics

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Function Code 0: Exit Maintenance Mode Function Code 0 makes the drive available for reading and writing data. 1. Place the drive in maintenance mode. For instructions, see "Entering Maintenance Mode" on page 15. 2. Press and hold the Unload Button for 3 or more seconds to take the drive out of maintenance mode. The Status Light turns off. v If no error is detected, 0 temporarily appears in the SCD, then goes blank. The drive then exits maintenance mode. v If an error is detected, the SCD shows an error code but still exits maintenance mode. To determine the error, locate the code in Table 9 on page 45. To clear the error, turn the power off, then on again. The drive also exits maintenance mode automatically after it completes a maintenance function or after 10 minutes if no action has occurred. Function Code 1: Run Drive Diagnostics Approximate Run Time = 20 minutes per loop Total Number of Loops = 10 Function Code 1 runs tests that determine whether the drive can properly load and unload cartridges, and read and write data. The diagnostic loops ten times. To stop the diagnostic and exit maintenance mode, press the Unload Button once to abort the test. Attention For this test, insert only a scratch (blank) data cartridge or a cartridge that may be overwritten. During the test, the drive overwrites the data on the cartridge. 1. Place the drive in maintenance mode. For instructions, see "Entering Maintenance Mode" on page 15. 2. Press the Unload Button once per second until 1 appears in the SCD. (If you cycle past the desired code, press the Unload Button once per second until the code reappears.) 3. Press and hold the Unload Button for three or more seconds, then release it to select function 1 . The SCD changes to a flashing C . 4. Insert a scratch (blank) data cartridge that is not write-protected (or the tape drive exits maintenance mode). The SCD changes to a flashing 1 and the test begins. Note: If you inserted an invalid or write-protected tape cartridge, error code 7 appears in the SCD. The tape drive unloads the cartridge and exits maintenance mode. 16 IBM 400/800GB LTO3 Tape Drive User's Guide

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Function
Code
0:
Exit
Maintenance
Mode
Function
Code
0
makes
the
drive
available
for
reading
and
writing
data.
1.
Place
the
drive
in
maintenance
mode.
For
instructions,
see
“Entering
Maintenance
Mode”
on
page
15.
2.
Press
and
hold
the
Unload
Button
for
3
or
more
seconds
to
take
the
drive
out
of
maintenance
mode.
The
Status
Light
turns
off.
v
If
no
error
is
detected,
0
temporarily
appears
in
the
SCD,
then
goes
blank.
The
drive
then
exits
maintenance
mode.
v
If
an
error
is
detected,
the
SCD
shows
an
error
code
but
still
exits
maintenance
mode.
To
determine
the
error,
locate
the
code
in
Table
9
on
page
45.
To
clear
the
error,
turn
the
power
off,
then
on
again.
The
drive
also
exits
maintenance
mode
automatically
after
it
completes
a
maintenance
function
or
after
10
minutes
if
no
action
has
occurred.
Function
Code
1:
Run
Drive
Diagnostics
Approximate
Run
Time
=
20
minutes
per
loop
Total
Number
of
Loops
=
10
Function
Code
1
runs
tests
that
determine
whether
the
drive
can
properly
load
and
unload
cartridges,
and
read
and
write
data.
The
diagnostic
loops
ten
times.
To
stop
the
diagnostic
and
exit
maintenance
mode,
press
the
Unload
Button
once
to
abort
the
test.
Attention
For
this
test,
insert
only
a
scratch
(blank)
data
cartridge
or
a
cartridge
that
may
be
overwritten.
During
the
test,
the
drive
overwrites
the
data
on
the
cartridge.
1.
Place
the
drive
in
maintenance
mode.
For
instructions,
see
“Entering
Maintenance
Mode”
on
page
15.
2.
Press
the
Unload
Button
once
per
second
until
1
appears
in
the
SCD.
(If
you
cycle
past
the
desired
code,
press
the
Unload
Button
once
per
second
until
the
code
reappears.)
3.
Press
and
hold
the
Unload
Button
for
three
or
more
seconds,
then
release
it
to
select
function
1
.
The
SCD
changes
to
a
flashing
C
.
4.
Insert
a
scratch
(blank)
data
cartridge
that
is
not
write-protected
(or
the
tape
drive
exits
maintenance
mode).
The
SCD
changes
to
a
flashing
1
and
the
test
begins.
Note:
If
you
inserted
an
invalid
or
write-protected
tape
cartridge,
error
code
7
appears
in
the
SCD.
The
tape
drive
unloads
the
cartridge
and
exits
maintenance
mode.
16
IBM
400/800GB
LTO3
Tape
Drive
User’s
Guide