IBM TotalStorage 2109 M12 User Manual - page 27
These
benefits
of
these
features
are
described
in
more
detail
in
the
following
sections.
High
Availability
The
switch
high
availability
features
include:
v
Redundant,
hot-swappable
control
processors
(CPs)
with
automatic
failover
v
Dual
redundant
ac
input
v
Hot-swappable,
redundant
power
supplies
in
the
power
subsystem
v
Hot-swappable
blowers
in
the
redundant
cooling
system
v
Hot-swappable
16–port
switch
modules
v
Non-disruptive
″hot″
firmware/software
code
loads
and
activation
v
Easy
configuration,
save,
and
restore
v
Enhanced
data
integrity
on
all
data
paths
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10
1
2
3
4
5
6
7
8
9
Port Card and
CP Card LEDs
WWN Bezel
Power Supply LEDs
Blower
Power
LED
Blower
Fault
LED
Blower
Handle
Blower Assembly 3
Blower Assembly 2
Blower Assembly 1
pwr1
pwr2
pwr3
pwr4
SJ000635
Figure
3.
Blower
(non-port)
side
of
the
M12
and
M14
Chapter
2.
System
design
overview
5