For
examples
of
redundant,
partially-redundant,
and
non-redundant
host
and
drive
loop
configurations,
see
“Fibre
channel
loop
configurations”
on
page
36.
Connecting
hosts
to
a
DS4100
single-controller
storage
server
To
connect
a
host
adapter
to
the
DS4100
single-controller
storage
server
RAID
controllers,
perform
the
following
steps:
1.
Install
an
SFP
in
a
host
port
on
the
RAID
controller.
2.
Connect
the
host-system
cables
to
the
RAID
controller
or
to
switches.
Figure
51
shows
the
location
on
the
RAID
controllers
where
the
host-system
cables
connect.
Connecting
secondary
interface
cables
Use
the
Ethernet
interface
ports
on
the
back
of
the
storage
server
to
connect
the
controllers
for
direct
management
of
the
storage
subsystems
(see
“Direct
(out-of-band)
management
method”
on
page
35).
This
section
is
applicable
to
(direct)
out-of-band
management
configurations
only.
If
your
configuration
uses
host-agent
(in-band)
management,
skip
this
section.
Controller A
Host A: Host Adapter 1
(or from managed hub
or switch)
Host A: Host Adapter 2
(or from managed hub
or switch)
Controller B
f10ug029
Figure
50.
Location
of
host
cables
(base
storage
server)
Host port 1
Host port 2
Ethernet
Serial port
AC power
switch
Server ID
switch
AC power
connector
f11ug006
Figure
51.
Location
of
host
cables
(single-controller
storage
server)
56
IBM
TotalStorage
DS4100
Storage
Server:
Installation,
User’s,
and
Maintenance
Guide
Summary of Contents for TotalStorage DS4100
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