download
8.
Test
the
CompactFlash
card
by
using
one
of
the
following
two
options:
Table
14.
CompactFlash
card
testing
options
Option
1
Option
2
1.
Reboot
the
N3700
storage
system
and
let
it
autoboot
by
entering
the
following
command:
reboot
2.
After
Data
ONTAP
boots,
copy
the
boot
files
to
the
secondary
backup
area
of
the
CompactFlash
card
by
entering
the
following
command:
download
1.
Shut
down
the
N3700
storage
system
by
entering
the
following
command
at
the
console:
halt
2.
Run
diagnostics
by
entering
the
following
command:
boot_diags
See
the
Diagnostics
Guide
for
more
information.
3.
When
finished,
exit
diagnostics
by
entering
the
following
command:
exit
4.
Boot
Data
ONTAP
by
entering
the
following
command:
boot_ontap
Replacing
a
power
supply
Follow
these
procedures
to
replace
a
power
supply
in
your
N3700
storage
system
or
disk
shelf:
v
v
Rules
for
replacing
power
supplies
When
replacing
the
power
supply
in
your
N3700
storage
system,
observe
the
following
rules:
v
You
do
not
need
to
turn
off
the
power
to
the
N3700
storage
system
when
you
replace
one
power
supply
at
a
time.
v
If
you
are
replacing
both
power
supplies,
replace
them
one
at
a
time
to
avoid
powering
down
your
N3700
storage
system.
v
Although
a
single
fan
failure
in
one
of
the
power
supplies
is
not
a
critical
event,
it
is
recommended
that
you
install
a
new
power
supply
when
one
of
the
two
fans
in
either
power
supply
stops
working.
v
When
hot-swapping
power
supplies,
replace
and
install
the
power
supplies
within
two
minutes
of
each
other.
Attention:
Your
N3700
storage
system
can
run
with
one
power
supply
for
a
maximum
of
two
minutes.
The
airflow
through
your
N3700
storage
system
is
degraded
when
only
one
power
supply
is
present
and
operating.
Therefore,
if
the
power
supplies
are
not
replaced
within
two
minutes
of
each
other,
the
system
halts
and
no
data
is
accessible.
v
Have
the
replacement
power
supply
close
by
and
ready
to
install
before
removing
the
old
one.
Chapter
5.
Replacing
N3700
storage
system
devices
39
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