IBM 25R0012 User Guide - Page 31

Diagnostic, Maintenance, Functions, Entering

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Clean the drive head whenever C displays on the Single-character Display and the Status Light is flashing amber once per second. It is not recommended that you clean the drive head on a periodic basis; only when the drive requests to be cleaned. To clean the head, insert the cleaning cartridge into the tape load compartment (see "Front Panel of the Drive" on page 2). The drive performs the cleaning automatically in less than two minutes then ejects the cartridge. Note: If a cleaning cartridge is inserted when the drive does not need to be cleaned or a cleaning cartridge is inserted that has expired, the drive will automatically eject the cartridge. The LTO Ultrium Cleaning Cartridge is valid for 50 uses. Diagnostic and Maintenance Functions The drive can: v Run diagnostics v Test write and read functions v Test a suspect tape cartridge v Update its own firmware v Perform other diagnostic and maintenance functions The drive must be in maintenance mode to perform these functions. Attention Maintenance functions cannot be performed concurrently with read or write operations. While in maintenance mode, the tape drive does not accept SCSI commands from the server. The tape drive does accept LDI or RS-422 commands. Entering Maintenance Mode The drive must be in maintenance mode to run drive diagnostics or maintenance functions. To place the unit in maintenance mode: 1. Make sure that no cartridge is in the drive. 2. Press the Unload Button three times within two seconds. 0 appears in the Single-character Display (SCD), and the Status Light turns amber. Note: If a cartridge is in the tape drive, it will eject the first time that you press the Unload Button and the drive will not be placed in maintenance mode. To continue placing the drive in maintenance mode, perform the preceding step. Maintenance functions cannot be performed concurrently with read or write operations. While in maintenance mode, the drive does not receive SCSI commands from the server. Operating the Drive 15

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Clean
the
drive
head
whenever
C
displays
on
the
Single-character
Display
and
the
Status
Light
is
flashing
amber
once
per
second.
It
is
not
recommended
that
you
clean
the
drive
head
on
a
periodic
basis;
only
when
the
drive
requests
to
be
cleaned.
To
clean
the
head,
insert
the
cleaning
cartridge
into
the
tape
load
compartment
(see
“Front
Panel
of
the
Drive”
on
page
2).
The
drive
performs
the
cleaning
automatically
in
less
than
two
minutes
then
ejects
the
cartridge.
Note:
If
a
cleaning
cartridge
is
inserted
when
the
drive
does
not
need
to
be
cleaned
or
a
cleaning
cartridge
is
inserted
that
has
expired,
the
drive
will
automatically
eject
the
cartridge.
The
LTO
Ultrium
Cleaning
Cartridge
is
valid
for
50
uses.
Diagnostic
and
Maintenance
Functions
The
drive
can:
v
Run
diagnostics
v
Test
write
and
read
functions
v
Test
a
suspect
tape
cartridge
v
Update
its
own
firmware
v
Perform
other
diagnostic
and
maintenance
functions
The
drive
must
be
in
maintenance
mode
to
perform
these
functions.
Attention
Maintenance
functions
cannot
be
performed
concurrently
with
read
or
write
operations.
While
in
maintenance
mode,
the
tape
drive
does
not
accept
SCSI
commands
from
the
server.
The
tape
drive
does
accept
LDI
or
RS-422
commands.
Entering
Maintenance
Mode
The
drive
must
be
in
maintenance
mode
to
run
drive
diagnostics
or
maintenance
functions.
To
place
the
unit
in
maintenance
mode:
1.
Make
sure
that
no
cartridge
is
in
the
drive.
2.
Press
the
Unload
Button
three
times
within
two
seconds.
0
appears
in
the
Single-character
Display
(SCD),
and
the
Status
Light
turns
amber.
Note:
If
a
cartridge
is
in
the
tape
drive,
it
will
eject
the
first
time
that
you
press
the
Unload
Button
and
the
drive
will
not
be
placed
in
maintenance
mode.
To
continue
placing
the
drive
in
maintenance
mode,
perform
the
preceding
step.
Maintenance
functions
cannot
be
performed
concurrently
with
read
or
write
operations.
While
in
maintenance
mode,
the
drive
does
not
receive
SCSI
commands
from
the
server.
Operating
the
Drive
15