The
primary
operational
components
of
the
TS7700
Virtualization
Engine
are:
IBM
Virtualization
Engine
TS7740
(TS7740
Server
or
3957–V06)
The
TS7740
Server
runs
software
that
performs
the
following
major
functions:
v
host
connectivity
v
virtualization
of
tape
drives
and
media
v
storage,
replication,
and
organization
of
data
across
physical
media,
physical
tape
libraries,
and
geographic
replication
of
volumes
Note:
The
TS7700
Virtualization
Engine
initially
shipped
with
128
virtual
devices
per
TS7740
Server,
but
the
number
of
supported
virtual
devices
has
increased
to
256
as
part
of
a
code
upgrade
to
extend
product
capabilities.
The
minimum
required
microcode
levels
are
8.0.1.xx
for
the
TS7700
Virtualization
Engine
and
534.2x
for
the
Library
Manager.
The
TS7740
Server
includes
four
input/output
(I/O)
drawers,
which
are
identically
configured
and
simultaneously
active.
The
I/O
drawers
contain
ports
for
connection
to
the
host,
to
other
internal
component
interfaces,
and
to
the
tape
drives
in
the
tape
library
through
the
Library
Manager,
as
well
as
gigabit
Ethernet
and
fibre
adapters
for
Grid
configuration
connection.
IBM
Virtualization
Engine
TS7740
CC6
(TS7740
Cache
Controller
or
3956-CC6)
The
TS7740
Cache
Controller
consists
of
a
redundant
array
of
independent
disks
(RAID)
disk
controller
and
associated
disk
storage
media.
These
media
act
as
cache
storage
for
customer
data.
There
are
16
disk
drive
modules
(DDMs)
with
a
capacity
of
146
GB
each
for
a
total
of
2.34
TB
of
cache.
Figure
45.
TS7700
Virtualization
Engine
62
3494
Tape
Library
Operator
Guide
Summary of Contents for TotalStorage 3494 Tape Library
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