![background image](http://html1.mh-extra.com/html/ibm/totalstorage-ds8000/totalstorage-ds8000_user-manual_4109708040.webp)
The
storage
unit
supports
the
following
operating
systems
for
S/390
and
zSeries
hosts:
v
Transaction
Processing
Facility
(TPF)
v
Virtual
Storage
Extended/Enterprise
Storage
Architecture
(VSE/ESA
™
)
v
z/OS
®
v
z/VM
v
Linux
For
details
about
models
and
the
operating
system
versions
and
releases
that
the
storage
unit
supports
for
these
host
systems,
see
the
Interoperability
Matrix
at
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
FICON-attached
S/390
and
zSeries
hosts
that
the
storage
unit
supports
You
can
attach
the
DS8000
storage
unit
to
FICON-attached
S/390
and
zSeries
hosts.
Each
storage
unit
fibre-channel
adapter
has
four
ports.
Each
port
has
a
unique
world
wide
port
name
(WWPN).
You
can
configure
the
port
to
operate
with
the
FICON
upper-layer
protocol.
When
configured
for
FICON,
the
fibre-channel
port
supports
connections
to
a
maximum
of
128
FICON
hosts.
On
FICON,
the
fibre-channel
adapter
can
operate
with
fabric
or
point-to-point
topologies.
With
fibre-channel
adapters
that
are
configured
for
FICON,
the
storage
unit
provides
the
following
configurations:
v
Either
fabric
or
point-to-point
topologies
v
A
maximum
of
64
host
ports
for
DS8100
Model
921
and
a
maximum
of
128
host
ports
for
DS8300
Models
922
and
9A2
v
A
maximum
of
509
channel
connections
per
fibre-channel
port
v
A
maximum
of
2048
logical
paths
on
each
fibre-channel
port
v
Access
to
all
32
control-unit
images
(8000
CKD
devices)
over
each
FICON
port
Note:
FICON
host
channels
limit
the
number
of
devices
per
channel
to
16
384.
To
fully
access
65
280
devices
on
a
storage
unit,
it
is
necessary
to
connect
a
minimum
of
four
FICON
host
channels
to
the
storage
unit.
You
can
access
the
devices
through
a
switch
to
a
single
storage
unit
FICON
port.
This
method
exposes
64
control-unit
images
(16
384
devices)
to
each
host
channel.
The
storage
unit
supports
the
following
operating
systems
for
S/390
and
zSeries
hosts:
v
Transaction
Processing
Facility
(TPF)
v
Virtual
Storage
Extended/Enterprise
Storage
Architecture
(VSE/ESA)
v
z/OS
v
z/VM
v
Linux
For
details
about
models,
versions
of
operating
systems,
and
releases
that
the
storage
unit
supports
for
these
host
systems,
see
the
Interoperability
Matrix
at
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
14
DS8000
User’s
Guide
Содержание TotalStorage DS8000
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