T021:
Lost
electrical
connection/communications
with
drive
sled
Description
The
library
had
been
communicating
with
a
drive
sled
and
had
considered
it
to
be
assigned
to
a
logical
library.
Two
way
communications
no
longer
occur.
This
ticket
is
specifically
NOT
caused
by
physical
removal
of
a
drive
if
the
drive
is
not
assigned
to
a
logical
library.
Detection
Scenarios
1.
Routine
polling
of
the
sled
can
no
longer
occur.
2.
Specific
library
to
drive
sled
commands
are
not
responded
to.
Root
Causes
1.
Drive
is
physically
remove/unplugged
(intentional
or
never
screwed
in
correctly).
2.
Various
hardware
failures
on
the
drive
sled.
3.
Various
hardware
failures
in
the
library.
Possible
CRU
Replacements
v
Library
Control
Blade
v
Drive
Sled
Possible
FRU
Replacements
Enclosure
Resolution
Perform
Before
closing
the
ticket,
perform
the
following:
1.
If
a
drive
is
physically
removed
from
the
library,
reinstall
the
drive
(refer
to
2.
If
a
drive
is
unplugged,
reconnect
the
drive.
3.
Before
replacing
a
library
component
or
contacting
IBM
Technical
Support,
refer
to
for
additional
diagnostic
procedures.
T022:
Lost
electrical
connection/communication
with
drive
brick
Description
Internal
to
the
drive,
the
sled
control
board
can
no
longer
communicate
with
the
drive
brick.
Detection
Scenarios
1.
Routine
Polling
between
sled
control
board
and
drive
brick
can
no
longer
occur.
2.
Specific
commands
such
as
unload,
reset,
etc.
are
not
responded
to.
Root
Causes
1.
Cable
broken,
unplugged,
damaged,
etc.
2.
Drive
brick
failure.
Possible
CRU
Replacements
Drive
Sled
Resolution
Before
performing
the
following:
1.
2.
refer
to
for
additional
diagnostic
procedures.
10-12
TS3310
Tape
Library
Setup
and
Operator
Guide
Summary of Contents for System Storage TS3310
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