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Power Supply and Redundancy Policy Changes in System Event Log
Changes in the power supply state and power redundancy policy are recorded as events. Events related
to the power supply that record entries in the system event log (SEL) are power supply insertion and
removal, power supply input insertion and removal, and power supply output assertion and de-assertion.
The following table lists the SEL entries that are related to power supply changes:
Table 31. SEL Events for Power Supply Changes
Power Supply Event System Event Log (SEL) Entry
Insertion Power supply is present.
Removal Power supply is absent.
AC input received The power input for power supply has been restored.
AC input lost The power input for power supply is lost.
DC output produced Power supply is operating normally.
DC output lost Power supply failed.
Events related to changes in the power redundancy status that record entries in the SEL are redundancy
loss and redundancy regain for the modular enclosure that is configured for either an
Grid Redundancy
power policy or Power Supply Redundancy power policy. The following table lists the SEL entries that
are related to power redundancy policy changes.
Power Policy Event
System Event Log (SEL) Entry
Redundancy lost Power supply redundancy is lost.
Redundancy regained The power supplies are redundant.
Configuring Power Budget and Redundancy
You can configure the power budget, redundancy, and dynamic power of the entire chassis (chassis,
servers, I/O module, KVM, CMC, and power supplies), which uses four power supply units (PSUs). The
power management service optimizes power consumption and reallocates power to different modules
on the basis of requirement.
You can configure the following:
• System Input Power Cap
• Redundancy Policy
• Enable Dynamic Power Supply Engagement
• Disable Chassis Power Button
• Max Power Conservation Mode
• Remote Power Logging
• Remote Power Logging Interval
• Server Based Power Management
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