iDRAC Metrics¶

This page catalogs the metrics collected by the Omnia iDRAC telemetry collector via the Redfish API. These metrics are streamed to Kafka and stored in VictoriaMetrics for visualization in Grafana.

For the complete list of available iDRAC Redfish telemetry metric reports and integration tools, see iDRAC Telemetry Reference Tools.

Collection method¶

Property	Value
Protocol	Redfish SSE (HTTPS REST API)
Source	iDRAC on each managed Dell PowerEdge server
Default interval	300 seconds (configurable via `idrac_telemetry_interval` in `telemetry_config.yml`)
Kafka topic	`idrac`
Storage	VictoriaMetrics time-series database

Power metrics¶

Redfish reports: PowerMetrics, PowerStatistics, Sensor

Metric	Unit	Description
`SystemPowerConsumption`	Watts	Current total server power consumption.
`SystemInputPower`	Watts	Total input power to the server.
`SystemOutputPower`	Watts	Total output power from PSUs.
`SystemHeadRoomInstantaneous`	Watts	Instantaneous headroom between consumed and capped power.
`TotalCPUPower`	Watts	Total power consumed by all CPUs.
`TotalMemoryPower`	Watts	Total power consumed by all DIMMs.
`TotalFanPower`	Watts	Total power consumed by all fans.
`TotalPciePower`	Watts	Total power consumed by PCIe devices.
`TotalStoragePower`	Watts	Total power consumed by storage devices.
`LastHourAvgPower`	Watts	Average power consumption over the last hour.
`LastHourMaxPower`	Watts	Peak power consumption in the last hour.
`LastDayAvgPower`	Watts	Average power consumption over the last day.
`LastWeekAvgPower`	Watts	Average power consumption over the last week.
`WattsReading`	Watts	Per-PSU power reading.

Thermal metrics¶

Redfish reports: ThermalSensor, ThermalMetrics, CPUSensor, MemorySensor, StorageSensor

Metric	Unit	Description
`TemperatureReading`	Celsius	Temperature reading from each sensor (inlet, outlet, CPU, DIMM, storage, etc.). Labeled by sensor location.
`SysRackTempDelta`	Celsius	Temperature delta between inlet and outlet (rack-level thermal efficiency).
`SysNetAirflow`	CFM	Net system airflow.
`SysAirflowUtilization`	Percent	System airflow utilization as a percentage of total capacity.
`ComputePower`	Watts	Compute subsystem power (thermal context).
`ITUE`	Ratio	IT Usage Efficiency ratio.
`TotalPSUHeatDissipation`	BTU/hr	Total heat dissipation from all PSUs.

Fan metrics¶

Redfish report: FanSensor

Metric	Unit	Description
`RPMReading`	RPM	Current fan rotational speed. One metric per fan.

Sensor metrics¶

Redfish report: Sensor

Metric	Unit	Description
`VoltageReading`	Volts	Voltage reading from each voltage sensor.
`AmpsReading`	Amps	Current (amperage) reading from each PSU.
`TemperatureReading`	Celsius	Temperature reading from generic sensors.
`CPUUsagePctReading`	Percent	CPU utilization percentage.
`IOUsagePctReading`	Percent	I/O subsystem utilization percentage.
`MemoryUsagePctReading`	Percent	Memory utilization percentage.
`SystemUsagePctReading`	Percent	Overall system usage percentage.

CPU and memory metrics¶

Redfish report: CPUMemMetrics

Metric	Unit	Description
`CPUC0ResidencyHigh`	Count	CPU C0 residency counter (high word). Higher values indicate more active CPU time.
`CPUC0ResidencyLow`	Count	CPU C0 residency counter (low word).
`AvgFrequencyAcrossCores`	MHz	Average frequency across all CPU cores.
`CPUPkgEnergy`	Joules	CPU package energy consumed.
`DRAMPkgEnergy`	Joules	DRAM package energy consumed.
`PkgPwr`	Watts	CPU package power.
`DRAMPwr`	Watts	DRAM power.
`TJMax`	Celsius	Maximum junction temperature for the CPU.
`PkgThermalStatus`	Enum	CPU package thermal status.
`DRAMThrottling`	Enum	DRAM throttling state.
`CPUViolationCounter`	Count	CPU power/thermal violation counter.
`DDRLimitingCounter`	Count	DDR power limiting event counter.

Memory health metrics¶

Redfish report: MemoryMetrics

Metric	Unit	Description
`CorrectableECCError`	Count	Correctable ECC error count per DIMM. Non-zero values may indicate impending DIMM failure.
`UncorrectableECCError`	Count	Uncorrectable ECC error count per DIMM.
`AddressParityError`	Count	Address parity error count.
`DataLossDetected`	Enum	Whether data loss has been detected on the DIMM.
`MemorySpareBlock`	Count	Spare block availability status.
`PredictedMediaLifeLeftPercent`	Percent	Predicted media life remaining (persistent memory).
`TemperatureThresholdAlarm`	Enum	Temperature threshold alarm state.

Storage health metrics¶

Redfish reports: StorageDiskSMARTData, NVMeSMARTData

Metric	Unit	Description
`DriveTemperature`	Celsius	Current drive temperature.
`PercentDriveLifeRemaining`	Percent	Estimated drive life remaining.
`PowerOnHours`	Hours	Total power-on hours.
`PowerCycleCount`	Count	Total power cycle count.
`ReadErrorRate`	Count	Read error rate.
`CRCErrorCount`	Count	CRC error count.
`ReallocatedBlockCount`	Count	Reallocated sector/block count.
`UncorrectableErrorCount`	Count	Uncorrectable error count.
`MediaWriteCount`	Count	Total media write count (SSD wear indicator).
`CommandTimeout`	Count	Command timeout count.
`AvailableSpare`	Percent	NVMe available spare capacity percentage.
`AvailableSpareThreshold`	Percent	NVMe available spare threshold.
`PercentageUsed`	Percent	NVMe percentage of drive life used.
`CriticalWarning`	Bitmask	NVMe critical warning flags.
`CompositeTemparature`	Celsius	NVMe composite temperature.

GPU metrics (via iDRAC)¶

iDRAC collects out-of-band GPU metrics from installed GPUs via the Redfish API. These metrics are independent of the in-band DCGM metrics collected by the GPU driver.

Redfish reports: GPUMetrics, GPUStatistics

GPUMetrics:

Metric	Unit	Description
`GPUUsage`	Percent	GPU utilization percentage.
`GPUMemoryUsage`	Percent	GPU memory utilization percentage.
`GPUClockFrequency`	MHz	Current GPU clock frequency.
`GPUMemoryClockFrequency`	MHz	Current GPU memory clock frequency.
`PowerConsumption`	Watts	Current GPU power consumption.
`PrimaryTemperature`	Celsius	Primary GPU temperature.
`SecondaryTemperature`	Celsius	Secondary GPU temperature.
`BoardTemperature`	Celsius	GPU board temperature.
`MemoryTemperature`	Celsius	GPU memory temperature.
`GPUHealth`	Enum	GPU health status.
`GPUStatus`	Enum	GPU operational status.
`BoardPowerSupplyStatus`	Enum	GPU board power supply status.
`PowerSupplyStatus`	Enum	GPU power supply status.
`PowerBrakeState`	Enum	GPU power brake state.
`ThermalAlertState`	Enum	GPU thermal alert state.
`GPUArbitratedPowerLimit`	Watts	GPU arbitrated power limit.
`GPUEnforcedPowerLimit`	Watts	GPU enforced power limit.
`GPUPCIeLinkSpeed`	GT/s	Current PCIe link speed.
`GPUPCIeLinkSpeedMax`	GT/s	Maximum PCIe link speed.
`GPUPCIeRxThroughput`	KB/s	PCIe receive throughput.
`GPUPCIeTxThroughput`	KB/s	PCIe transmit throughput.
`GPUPCIeCorrectableErrorCount`	Count	PCIe correctable error count.
`GPUMemBandwidthUsage`	Percent	GPU memory bandwidth usage.
`GPUClockEventReason`	Bitmask	Reason for GPU clock frequency changes.
`GPUSMActivity`	Percent	SM (Streaming Multiprocessor) activity.
`GPUSMOccupancy`	Percent	SM occupancy.
`GPUTensorCoreUsage`	Percent	Tensor core utilization.
`GPUHmmaUsage`	Percent	HMMA (Half-precision Matrix Multiply Accumulate) usage.

GPUStatistics (ECC error counters):

Metric	Unit	Description
`SBECounterFB`	Count	Single-bit ECC errors in framebuffer.
`DBECounterFB`	Count	Double-bit ECC errors in framebuffer.
`SBECounterFBL2Cache`	Count	Single-bit ECC errors in FB L2 cache.
`DBECounterFBL2Cache`	Count	Double-bit ECC errors in FB L2 cache.
`SBECounterGRL1Cache`	Count	Single-bit ECC errors in GR L1 cache.
`DBECounterGRL1Cache`	Count	Double-bit ECC errors in GR L1 cache.
`SBECounterGRRF`	Count	Single-bit ECC errors in GR register file.
`DBECounterGRRF`	Count	Double-bit ECC errors in GR register file.
`SBECounterGRTex`	Count	Single-bit ECC errors in GR texture memory.
`DBECounterGRTex`	Count	Double-bit ECC errors in GR texture memory.
`CumulativeSBECounterFB`	Count	Cumulative single-bit ECC errors in framebuffer.
`CumulativeDBECounterFB`	Count	Cumulative double-bit ECC errors in framebuffer.
`CumulativeSBECounterGR`	Count	Cumulative single-bit ECC errors in GR.
`CumulativeDBECounterGR`	Count	Cumulative double-bit ECC errors in GR.
`SBERetiredPages`	Count	Memory pages retired due to single-bit errors.
`DBERetiredPages`	Count	Memory pages retired due to double-bit errors.

NIC metrics¶

Redfish reports: NICStatistics, NICSensor

Metric	Unit	Description
`RxBytes`	Bytes	Total bytes received (cumulative).
`TxBytes`	Bytes	Total bytes transmitted (cumulative).
`RxUnicast`	Count	Unicast packets received.
`TxUnicast`	Count	Unicast packets transmitted.
`RxBroadcast`	Count	Broadcast packets received.
`TxBroadcast`	Count	Broadcast packets transmitted.
`LanFCSRxErrors`	Count	LAN FCS receive errors.
`LinkStatus`	Enum	NIC link status.
`OSDriverState`	Enum	OS driver state.
`TemperatureReading`	Celsius	NIC temperature.

PSU metrics¶

Redfish report: PSUMetrics

Metric	Unit	Description
`PSURPMReading`	RPM	PSU fan speed.
`PSUTemperatureReading`	Celsius	PSU temperature.

System usage metrics¶

Redfish report: SystemUsage

Metric	Unit	Description
`CPUUsage`	Percent	Overall CPU usage.
`IOUsage`	Percent	Overall I/O usage.
`MemoryUsage`	Percent	Overall memory usage.
`AggregateUsage`	Percent	Aggregate system usage.

Metric labels¶

All iDRAC metrics include the following common labels:

Label	Description
`host`	Hostname of the server (as assigned in the PXE mapping file).
`service_tag`	Dell service tag of the server.
`bmc_ip`	IP address of the iDRAC interface.

Info

Telemetry Config -- iDRAC telemetry configuration parameters.
DCGM Metrics -- In-band GPU telemetry metrics (DCGM/ROCm).
Ldms Metrics -- OS-level metrics from LDMS.