Important
There
might
be
a
requirement
for
new
firmware
to
support
the
maximum
number
of
EXP100s
in
a
drive
loop.
Always
add
new
EXP100s
when
the
FAStT100
is
powered
on
and
in
optimal
state.
Do
not
add
new
EXP100s
when
the
FAStT100
is
powered
down.
Before
you
cable
FAStT
EXP100s
to
a
loop,
refer
to
the
FAStT100
Storage
Server
Fibre
Channel
Cabling
Instructions
that
come
with
your
storage
server
for
specific
instructions.
shows
the
process
of
adding
an
additional
EXP100
to
an
existing
FAStT100
storage
server
configuration.Drive
loops
A
and
B
form
one
redundant
fibre-channel
loop.
Note:
Always
add
a
new
FAStT
EXP100
to
the
end
of
a
drive
loop.
In
the
existing
FAStT100
configuration
already
includes
two
EXP100s.
The
dashed
lines
show
you
how
to
add
a
third
EXP100
to
the
configuration.
To
add
the
new
EXP100
shown
in
you
would
perform
the
following
steps:
1.
Verify
that
the
existing
configuration
is
powered
on
and
is
in
optimal
state.
Use
the
Storage
Manager
client
to
correct
any
problems
before
proceeding.
2.
Unpack
the
new
EXP100
and
mount
it
in
the
proper
position
on
the
rack.
3.
Make
the
fibre-channel
connection
marked
1
in
(drive
loop
B).
Then
power
on
the
new
FAStT
EXP100
and
verify
that
it
is
recognized
by
the
Storage
Manager
software
GUI.
4.
Make
the
fibre-channel
connection
marked
2
in
5.
Make
the
fibre-channel
connection
marked
3
in
(drive
loop
A).
6.
Use
the
Storage
Manager
client
to
verify
the
ESM
firmware
version
of
the
new
EXP100.
Drive enclosures
group 1
Drive loop A
Drive loop B
Drive loop C
Storage server
Drive Expansion
Port A
New FAStT EXP100
First FAStT EXP100
Drive loop A
Fibre Channel
interface cables
Drive loop B
F
interface cables
ibre Channel
Input
Input
Output
Output
2
1
3
f10ug047
Second FAStT EXP100
Drive Expansion
Port B
Figure
71.
Cabling
the
FAStT100
to
a
redundant
loop
92
IBM
TotalStorage
FAStT100
Storage
Server:
Installation,
User’s,
and
Maintenance
Guide
Summary of Contents for totalstorage fastt100
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