Server
Attachment
The
library
can
be
attached
to
servers
by
using:
v
v
SCSI
Interface
Note:
Although
the
LVD
hardware
in
the
library
is
capable
of
operating
in
single-ended
(SE)
mode,
SE
operation
is
not
recommended
or
supported.
The
library
supports
SCSI
LVD
attachments
by
using
SCSI
cables
with
68-pin,
D-connectors.
SCSI
adapters
must
be
properly
terminated.
Before
installing
the
SCSI
cables,
inspect
all
cables
for
damage.
Do
not
install
a
cable
if
it
is
damaged.
Report
the
damage
immediately
by
contacting
your
place
of
purchase.
The
maximum
allowable
length
of
your
bus
cabling
depends
on
the
type
of
SCSI
bus
that
you
use
(LVD).
v
For
a
server
with
an
LVD
SCSI
bus:
–
Use
a
maximum
system-to-device
cable
length
of
10
m
(33
ft)
when
attaching
to
the
host
interface
board
(SCSI)
and
one
or
two
daisy-chained
drives.
–
Use
a
maximum
system-to-device
cable
length
of
5
m
(17
ft)
when
attaching
to
the
host
interface
board
(SCSI)
and
three
to
six
daisy-chained
drives.
Note:
For
maximum
performance,
it
is
recommended
to
have
a
maximum
of
one
drive
per
SCSI
bus.
–
Only
use
the
maximum
system-to-device
cable
length
of
25
m
(82
ft)
when
attaching
directly
to
one
device
(a
point
to
point
interconnection).
Physical
Characteristics
of
the
SCSI
Interface
The
library
operates
as
a
set
of
SCSI-3
devices.
The
Ultrium
Tape
Drives
attach
to
servers
using
an
LVD
Ultra160
SCSI
interface.
Each
SCSI
drive
sled
uses
shielded,
HD68-pin
connectors,
and
can
attach
directly
to
a
2-byte-wide
SCSI
cable.
Any
combination
of
up
to
two
initiators
(servers)
and
up
to
four
targets
(devices)
is
allowed
on
a
single
SCSI
bus
if
the
following
conditions
are
met:
v
The
SCSI
bus
is
terminated
properly
at
each
end
v
Cable
restrictions
are
followed
according
to
the
SCSI-3
specification
Under
the
SCSI-3
protocol,
this
type
of
attachment
allows
cable
lengths
of
up
to
25
m
(81
ft)
with
the
appropriate
cable
and
terminator.
The
table
below
gives
the
maximum
bus
length
between
terminators
for
the
LVD
interface.
For
information
about
cable
connectors,
see
Table
2-5.
Maximum
bus
length
between
terminators
Type
of
Interconnection
Maximum
Bus
Length
Between
Terminators
(in
meters)
Point-to-point
(1
server
and
1
drive)
25
Multi-drop/daisy-chain
(1
server
and
multiple
drives)
12
(LVD)
2-8
TS3310
Tape
Library
Setup
and
Operator
Guide
Summary of Contents for System Storage TS3310
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