Dell PowerEdge R910 Information Update - Seite 3

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Power Supply Removal Updates

The I/O riser with 10G network port requires a minimum of two power

supplies to provide standby power to the system. If you remove AC power

cables from the system while DC power is on, the system may momentarily

operate below the minimum power supply requirement. The BMC SEL may

record VR2/IO riser power not good errors and/or PCIe fatal errors when the

system AC power input falls below the minimum requirement.

NOTE:

These errors do not affect the system functionality.

To prevent these errors, ensure the following:

•

The system operates with a minimum of two power supply units.

•

Turn off the system before removing or connecting AC power cables to the

system.

System Limitations With an Optional 10 GbE I/O

Riser

The 10 GbE I/O riser provides two 10 Gb SFP+ ports using a Broadcom

57711 controller in addition to two 1 GbE ports. The following are the

limitations with the 10 GbE I/O riser:

•

To ensure system power redundancy, the 10 GbE I/O riser requires all four

power supplies to be connected to the AC power source. The system power

becomes non-redundant if one of the power supplies is removed.

CAUTION:

A power supply failure or removal of another power supply after the

system power becomes non-redundant can lead to a system failure and result in

loss of data.

•

Wake On LAN (WOL) is not supported on the 10 Gb SFP+ ports due to

Broadcom 57711 design limitations. However, WOL is supported on the

two 1 GbE ports available on the riser.

Information Update