3.
Push
apart
the
levers
on
the
cam
mechanism
and
slide
the
module
into
the
slot
at
the
rear
of
the
EXN1000
expansion
unit,
then
push
the
levers
of
the
cam
mechanism
into
place.
CAUTION:
Do
not
use
excessive
force
when
sliding
the
module
into
the
EXN1000
unit;
you
might
damage
the
connector.
4.
If
you
are
using
optical
cables,
insert
SFPs
into
the
input
and
output
ports
of
the
AT-FCX
module.
5.
Reconnect
the
Fibre
Channel
cabling.
6.
Turn
on
the
power
to
the
EXN1000
expansion
units.
7.
Reboot
the
N
series
storage
system.
Hot-swapping
a
module
The
assumptions
about
this
procedure
are
that
AT-FCX
modules
on
the
EXN1000
expansion
unit
have
multipath
connections
to
an
N
series
storage
system.
CAUTION:
If
you
attempt
to
hot-swap
the
AT-FCX
on
an
EXN1000
expansion
unit
that
does
not
have
multipath
connections,
you
lose
all
access
to
the
drives
on
this
EXN1000
expansion
unit
as
well
as
those
below
it.
To
hot-swap
a
module,
complete
the
following
steps:
Note:
To
hot-swap
a
module
on
an
EXN1000
expansion
unit
in
a
cluster,
see
the
cluster
guide
for
your
filer.
1.
Put
on
the
antistatic
ESD
strap
and
grounding
leash.
2.
From
the
console
of
the
N
series
storage
system,
enter
the
following
command
to
disable
the
loop
in
which
the
failed
module
is
a
connection:
storage
disable
adapter
adaptername
3.
Disconnect
the
module
that
you
are
removing
from
the
Fibre
Channel
cabling.
4.
Using
the
thumb
and
index
finger
of
both
hands,
press
the
levers
on
the
cam
mechanism
on
the
module
to
release
it
and
pull
it
out
of
the
EXN1000
expansion
unit.
5.
If
you
are
using
optical
cables,
remove
the
SFPs
from
the
input
and
output
ports
of
the
AT-FCX
module
you
have
removed.
Plug
the
SFPs
into
the
input
and
output
ports
of
the
replacement
AT-FCX.
6.
Verify
that
the
speed
setting
for
the
replacement
AT-FCX
module
meets
the
requirements
for
your
N
series
storage
system.
See
7.
Slide
the
replacement
module
into
the
slot
at
the
rear
of
the
EXN1000
expansion
unit
and
push
the
levers
of
the
cam
into
place.
Chapter
4.
Replacing
EXN1000
expansion
unit
devices
37
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