v
Yes
-
Turn
off
both
power
switches
on
each
enclosure
that
you
intend
to
connect
to
the
power.
v
No
-
Turn
off
both
power
switches
on
all
enclosures
in
the
storage
subsystem.
2.
Ensure
that
all
power
cords
are
connected.
Note:
If
the
power
cords
are
not
connected,
turn
off
both
power
switches
on
all
modules
in
the
configuration
before
connecting
power
cords
or
turning
on
the
main
circuit
breakers.
3.
If
the
main
circuit
breakers
are
turned
off,
turn
them
on.
4.
Verify
that
the
link
rate
setting
on
the
front
of
the
storage
expansion
enclosure
matches
the
speed
of
the
drives
in
the
subsystem.
Attention:
You
must
turn
on
power
to
each
attached
storage
expansion
enclosure
before
turning
on
power
to
the
DS4200
Express
Storage
Subsystem
to
ensure
that
the
controllers
recognize
all
drives
in
the
configuration
during
the
startup
process.
5.
Turn
on
both
power
switches
on
the
back
of
each
storage
expansion
enclosure
attached
to
the
storage
subsystem.
While
each
storage
expansion
enclosure
powers
up,
the
green
and
amber
LEDs
on
the
front
and
back
of
the
storage
expansion
enclosure
turn
on
and
off
intermittently.
Depending
on
your
configuration,
it
can
take
several
minutes
for
each
storage
expansion
enclosure
to
power
up.
Check
the
LEDs
on
the
front
and
back
of
all
the
storage
expansion
enclosures.
Verify
that
no
Needs
Attention
or
enclosure
ID
LEDs
light
on
any
of
the
storage
expansion
enclosures.
To
verify
the
fibre
channel
connections
between
the
drive
expansion
enclosures,
make
sure
that
no
Port
Bypass
LEDs
for
connections
to
other
storage
expansion
enclosures
are
lit.
Only
the
Port
Bypass
LED
of
the
ESM
port
that
connects
directly
to
the
storage
subsystem
drive
port
should
be
lit.
Note:
The
drive
activity
LEDs
will
flash
slowly
(once
very
2
seconds)
until
the
drive
is
started
by
the
DS4200
Express
controller.
6.
Turn
on
both
AC
power
switches
on
the
back
of
each
controller
in
the
storage
subsystem.
shows
the
location
of
the
AC
power
switches
on
the
controllers.
ds420010
2
1
2
1
Figure
61.
Power
supply
switches
and
connectors
for
the
DS4200
Express
82
IBM
System
Storage
DS4200
Express
Storage
Subsystem:
Installation,
User’s
and
Maintenance
Guide
Содержание TotalStorage DS4200
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