If
you
want
to
connect
more
storage
expansion
enclosures
into
drive
loops
A
and
B,
continue
with
Step
3;
otherwise,
go
to
“Connecting
the
redundant
EXP810
drive
loop
to
the
DS4300”
on
page
69.
3.
Connect
additional
storage
expansion
enclosures
to
drive
loops
A
and
B,
as
shown
in
Figure
53
on
page
69.
Starting
with
the
second
storage
expansion
enclosure,
connect
each
additional
storage
expansion
enclosure
into
drive
loops
A
and
B
in
the
same
manner.
Leave
port
1A
on
the
ESM
B
of
the
last
(fourth)
storage
expansion
enclosure
in
the
loop
and
port
1A
on
the
ESM
A
of
the
first
storage
expansion
enclosure
unoccupied.
EXP810
ESM B
ESM A
EXP810
ESM B
ESM A
EXP810
ESM B
ESM A
EXP810
ESM B
ESM A
Port 1B
Port 1B
Port 1A
Port 1B
Port 1A
Port 1A
Port 1B
Port 1A
Port 1B
Port 1B
ds4500_8103
Loop B
Loop A
First storage
expansion enclosure
Second storage
expansion enclosure
Third storage
expansion enclosure
Fourth storage
expansion enclosure
Port 1A
Port 1B
Port 1A
Port 1B
Figure
52.
Connecting
two
EXP810
storage
expansion
enclosures
into
redundant
drive
loop
B
68
IBM
TotalStorage
DS4300
Fibre
Channel
Storage
Subsystem:
Installation,
User’s,
and
Maintenance
Guide
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Summary of Contents for TotalStorage DS4300 Turbo
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