Identify Disabled Components
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Fan modules (CMIOU chassis). The CMIOU chassis has eight fan modules. The server
will continue to operate at full capacity with seven fan modules installed in the CMIOU
chassis. The server will not operate with fewer than seven fans. If the server is operating
with seven fan modules and one or more of those fans fails, the server might power down to
keep from overheating.
■
Fan modules (switch chassis). The switch chassis has 36 fan modules. Each switch unit
has six dedicated fan modules. The server will continue to operate at full capacity with five
of the six fans operating for each switch unit. If one of the five operating fans fails, the
server might power down to keep from overheating.
■
PCIe cards. If the PCIe card is assigned to an I/O domain on a logical domain, you must
prepare the card for removal to avoid a configuration that is unsupported.
■
Power supplies. The power supplies for the CMIOU and switch chassis are 2N redundant.
If a power supply fails in either a switch or CMIOU chassis, the server can operate normally
with only three power supplies in the switch chassis or five power supplies in the CMIOU
chassis.
There are no restrictions into which slots the power supplies have to be installed. You can
install them in any of the power supply slots as long as all power supplies are installed.
■
SPs. Replace one SP in the server at a time. You must prepare an SP before removing it
from the server.
■
Switch units. Switch units are configured to work together as a single unit. If a switch
unit fails, the server will operate in degraded mode. At least five switch units must be
functioning for the server to operate. You must prepare a switch unit before removing it
from the server.
Note - If you remove any of these components while the server is powered on, wait 30 seconds
before installing the replacement component. Doing so ensures that Oracle ILOM has enough
time to detect the new component, which is required for the software to power it on.
Related Information
■
“Component Service Task Reference” on page 32
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“Servicing CMIOUs” on page 83
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“Servicing DIMMs” on page 105
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“Servicing Fan Modules (CMIOU Chassis)” on page 179
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“Servicing Fan Modules (Switch Chassis)” on page 183
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“Servicing PCIe Cards” on page 141
■
“Servicing Power Supplies” on page 165
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“Servicing SPs” on page 117
■
“Servicing Switch Units” on page 189
Detecting and Managing Faults 43
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