Справочник Пользователя для IBM Partner Pavilion DS4100
3.
Remove
the
blank
filler
trays
and
insert
drive
trays.
Connect
power
to
the
drive
expansion
unit
first
and
then
connect
power
to
the
DS4100.
After
the
storage
server
is
powered
on,
the
storage
server
locates
the
new
drives.
4.
Use
the
DS4000
Storage
Manager
client
to
check
the
status
of
the
new
drives,
correct
any
errors
found,
and
configure
the
new
drives.
For
more
detailed
information
about
how
to
cable
the
storage
server
and
expansion
units,
see
the
DS4100
Fibre
Channel
Cabling
Instructions
that
come
with
the
storage
server.
DS4000
EXP100
loop
redundancy
(DS4100
base
storage
server
only)
The
DS4000
EXP100
provides
redundant
loop
support
when
the
second
ESM
is
configured,
and
when
both
loops
(called
A
and
B)
are
connected
to
a
DS4100
storage
server
model
that
supports
redundant
loops.
(The
DS4100
base
storage
server
supports
redundant
loops;
the
DS4100
single-controller
storage
server
does
not
support
redundant
loops.)
If
a
cable
or
SFP
module
fails
on
drive
loop
A,
drive
loop
B
provides
redundancy,
which
is
an
alternate
path
to
your
disk
drives.
shows
a
redundant
loop
that
you
might
create
with
a
DS4100
and
three
DS4000
EXP100s.
The
numbers
provided
in
show
the
order
in
which
cables
should
be
attached.
In port
Out port
New expansion unit
Storage server with
two RAID controllers
two RAID controllers
Left ESM board
Right ESM board
f10ug031
Figure
53.
Adding
an
expansion
unit
Chapter
3.
Cabling
the
storage
server
59