vRealize Operations Manager collects many metrics for host systems, including CPU use, datastore, disk, memory, network, storage, and summary metrics for host system objects.

Capacity metrics can be calculated for host system objects. See Capacity and Project-Based Metrics.

vFlash Module Metrics for Host Systems

vFlash Module metrics provide information about the host system's flash devices.

Table 1. vFlash Module Metrics for Host Systems

Metric Key

Metric Name

Description

vflashModule|numActiveVMDKs_latest

Latest Number of Active VM Disks

Latest Number of Active VM Disks.

Configuration Metrics for Host Systems

Configuration metrics provide information about host system configuration.

Table 2. Configuration Metrics for Host Systems

Metric Key

Metric Name

Description

configuration|dasConfig|admissionControlPolicy|failoverHost

Failover Hosts

Failover Hosts.

Hardware Metrics for Host Systems

Hardware metrics provide information about host system hardware.

Table 3. Hardware Metrics for Host Systems

Metric Key

Metric Name

Description

hardware|cpuinfo|num_CpuCores

Number of CPUs

Number of CPUs for a host.

CPU Usage Metrics for Host Systems

CPU usage metrics provide information about CPU use.

Table 4. CPU Metrics for Host Systems

Metric Key

Metric Name

Description

cpu|capacity_usagepct_average

Capacity Usage (%)

Percent CPU capacity used.

cpu|usage_average

Usage (%)

Average CPU usage as a percentage.

cpu|capacity_contentionPct

CPU Contention (%)

Percent CPU capacity contention.

cpu|demandPct

Demand (%)

Percent CPU demand.

cpu|demandmhz

Demand (MHz)

CPU demand in megahertz.

cpu|iowait

IO Wait (ms)

IO wait time in milliseconds.

cpu|numpackages

Number of CPU Sockets

Number of CPU sockets.

cpu|capacity_contention

Overall CPU Contention (ms)

Overall CPU contention in milliseconds.

cpu|capacity_provisioned

Provisioned Capacity (MHz)

Provisioned CPU capacity in megahertz.

cpu|corecount_provisioned

Provisioned virtual CPUs

Provisioned virtual CPUs.

cpu|wait

Total Wait

CPU time spent in idle state.

cpu|demand_average

Demand

CPU demand.

cpu|used_summation

Usage (%)

CPU time that is used.

cpu|usagemhz_average

Usage (MHz)

CPU use in megahertz.

cpu|reservedCapacity_average

Reserved Capacity (MHz)

The sum of the reservation properties of the (immediate) children of the host's root resource pool.

cpu|totalCapacity_average

Total Capacity (MHz)

Total CPU capacity in megahertz.

cpu|idle_summation

Idle (ms)

CPU idle time in milliseconds.

cpu|overhead_average

Overhead (KB)

Amount of CPU overhead.

cpu|demand_without_overhead

Demand without overhead

Value of demand excluding any overhead.

cpu|coreUtilization_average

Core Utilization (%)

Percent core utilization.

cpu|utilization_average

Utilization(%)

Percent CPU utilization.

cpu|coreUtilization_average

Core Utilization (%)

Core Utilization.

cpu|utilization_average

Utilization (%)

Utilization.

cpu|costop_summation

Co-stop (ms)

Time the VM is ready to run, but is unable to due to co-scheduling constraints.

cpu|latency_average

Latency (%)

Percentage of time the VM is unable to run because it is contending for access to the physical CPUs.

cpu|ready_summation

Ready (ms)

Time spent in ready state.

cpu|run_summation

Run (ms)

Time the virtual machine is scheduled to run.

cpu|swapwait_summation

Swap wait (ms)

Amount of time waiting for swap space.

cpu|wait_summation

Wait (ms)

Total CPU time spent in wait state.

cpu|vm_capacity_provisioned

Provisioned Capacity

Provisioned capacity (MHz).

cpu|acvmWorkloadDisparityPcttive_longterm_load

Active Host Load For Balance (Long Term)

Active Host Load For Balance (Long Term).

cpu|active_shortterm_load

Active Host Load For Balance (Short Term)

Active Host Load For Balance (Short Term).

CPU Utilization for Resources Metrics for Host Systems

CPU utilization for resources metrics provide information about CPU activity.

Table 5. CPU Utilization for Resources Metrics for Host Systems

Metric Key

Metric Name

Description

rescpu|actav1_latest

rescpu|actav5_latest

rescpu|actav15_latest

rescpu|actpk1_latest

rescpu|actpk5_latest

rescpu|actpk15_latest

CPU Active (%) (interval)

Average active time for the CPU over the past minute, past five minutes, and at one-minute, five-minute, and 15-minute peak active times.

rescpu|runav1_latest

rescpu|runav5_latest

rescpu|runav15_latest

rescpu|runpk1_latest

rescpu|runpk5_latest

rescpu|runpk15_latest

CPU Running (%) (interval)

Average run time for the CPU over the past minute, past five minutes, past 15 minutes, and at one-minute, five-minute, and 15-minute peak times.

rescpu|maxLimited1_latest

rescpu|maxLimited5_latest

rescpu|maxLimited15_latest

CPU Throttled (%) (interval)

Scheduling limit over the past minute, past five minutes, and past 15 minutes

rescpu|sampleCount_latest

Group CPU Sample Count

Group CPU sample count.

rescpu|samplePeriod_latest

Group CPU Sample Period (ms)

Group CPU sample period in milliseconds.

Datastore Metrics for Host Systems

Datastore metrics provide information about datastore use.

Table 6. Datastore Metrics for Host Systems

Metric Key

Metric Name

Notes

datastore|demand_oio

Outstanding IO requests

OIO for datastore.

datastore|maxObserved_NumberRead

Max Observed Reads per second

Max observed average number of read commands issued per second during the collection interval.

datastore|maxObserved_Read

Max Observed Read Rate

Max observed rate of reading data from the datastore.

datastore|maxObserved_NumberWrite

Max Observed Writes per second

Max observed average number of write commands issued per second during the collection interval.

datastore|maxObserved_Write

Max Observed Write Rate

Max observed rate of writing data from the datastore.

datastore|maxObserved_OIO

Max Observed Number of Outstanding IO Operations

Max Observed Number of Outstanding IO Operations.

datastore|commandsAveraged_average

Commands Averaged

Average number of commands issued per second during the collection interval.

datastore|oio

Number of Outstanding IO Operations

Number of outstanding IO operations.

datastore|totalLatency_average

Disk Command Latency (ms)

The average amount of time taken for a command from the perspective of a Guest OS. This is the sum of Kernel Command Latency and Physical Device Command Latency.

datastore|usage_average

Usage Average (KBps)

Usage Average (KBps).

datastore|demand

Demand

Demand.

datastore|datastoreIops_average

Storage I/O Control aggregated IOPS

Aggregate number of IO operations on the datastore.

datastore|numberReadAveraged_average

Reads per second

Average number of read commands issued per second during the collection interval.

datastore|numberWriteAveraged_average

Writes per second

Average number of write commands issued per second during the collection interval.

datastore|read_average

Read Rate (KBps)

Rate of reading data from the datastore in kilobytes per second.

datastore|sizeNormalizedDatastoreLatency_average

Storage I/O Control normalized latency (ms)

Normalized latency in microseconds on the datastore. Data for all virtual machines is combined.

datastore|totalReadLatency_average

Read Latency (ms)

Average amount of time for a read operation from the datastore. Total latency = kernel latency + device latency.

datastore|totalWriteLatency_average

Write Latency (ms)

Average amount of time for a write operation to the datastore. Total latency = kernel latency + device latency.

datastore|write_average

Write Rate (KBps)

Rate of writing data to the datastore in kilobytes per second.

datastore|datastoreMaxQueueDepth_latest

Max Queue Depth

Max Queue Depth.

datastore|maxTotalLatency_latest

Highest Latency

Highest Latency.

datastore|totalLatency_max

Total Latency Max

Total Latency Max (ms).

datastore|datastoreNormalReadLatency_latest

Read Latency

Read Latency.

datastore|datastoreNormalWriteLatency_latest

Write Latency

Write Latency.

datastore|datastoreReadBytes_latest

Data Read

Data Read.

datastore|datastoreReadIops_latest

Data Read Rate

Data Rate.

datastore|datastoreReadLoadMetric_latest

Read Load

Storage DRS metric read load.

datastore|datastoreReadOIO_latest

Outstanding Read Requests

Outstanding Read Requests.

datastore|datastoreWriteBytes_latest

Data Written

Data Written.

datastore|datastoreWriteIops_latest

Data Write Rate

Data Write Rate.

datastore|datastoreWriteLoadMetric_latest

Write Load

Storage DRS metric write load.

datastore|datastoreWriteOIO_latest

Outstanding Write Requests

Outstanding Write Requests.

datastore|vmPopulationAvgWorkload

Average Observed Virtual Machine Disk I/O Workload

Average Observed Virtual Machine Disk I/O Workload on the Host.

datastore|vmPopulationMaxWorkload

Maximum Observed VM Disk I/O Workload

Maximum Observed VM Disk I/O Workload on the Host.

datastore|vmWorkloadDisparityPct

VM Disk I/O Workload Disparity

Percentage Disk I/O workload disparity among the VMs on the Host.

Disk Metrics for Host Systems

Disk metrics provide information about disk use.

Table 7. Disk Metrics for Host Systems

Metric Key

Metric Name

Description

disk|usage_average

Usage Rate (KBps)

Average of the sum of the data read and written for all of the disk instances of the host or virtual machine.

disk|usage_capacity

I/O Usage Capacity

I/O Usage Capacity.

disk|commandsAveraged_average

Commands per second

Average number of commands issued per second during the collection interval.

disk|totalLatency_average

Disk Command Latency (ms)

The average amount of time taken for a command from the perspective of a Guest OS. This is the sum of Kernel Command Latency and Physical Device Command Latency.

disk|numberReadAveraged_average

Reads per second

Average number of read commands issued per second during the collection interval.

disk|numberWriteAveraged_average

Writes per second

Average number of write commands issued per second during the collection interval.

disk|numberRead_summation

Read Requests

Number of times data was read from the disk in the defined interval.

disk|numberWrite_summation

Write Requests

Number of times data was written to the disk in the defined interval.

disk|read_average

Read Rate

Amount of data read in the performance interval.

disk|write_average

Write Rate

Amount of data written to disk in the performance interval.

disk|busResets_summation

Bus Resets

The number of bus resets in the performance interval.

disk|commands_summation

Commands Issued

The number of disk commands issued in the performance interval.

disk|commandsAborted_summation

Commands Aborted

The number of disk commands aborted in the performance interval.

disk|deviceReadLatency_average

Physical Device Read Latency (ms)

The average time taken to complete a read from the physical device.

disk|kernelReadLatency_average

Kernel Disk Read Latency (ms)

The average time spent in ESX Server VMKernel per read.

disk|totalReadLatency_average

Disk Read Latency (ms)

The average amount of time taken for a read from the perspective of a Guest OS. This is the sum of Kernel Read Latency and Physical Device Read Latency.

disk|queueReadLatency_average

Queue Read Latency (ms)

The average time spent in the ESX Server VMKernel queue per read.

disk|deviceWriteLatency_average

Physical Device Write Latency (ms)

The average time taken to complete a write from the physical device.

disk|kernelWriteLatency_average

Kernel Disk Write Latency (ms)

The average time spent in ESX Server VMKernel per write.

disk|totalWriteLatency_average

Disk Write Latency (ms)

The average amount of time taken for a write from the perspective of a Guest OS. This is the sum of Kernel Write Latency and Physical Device Write Latency.

disk|queueWriteLatency_average

Queue Write Latency (ms)

The average time spent in the ESX Server VMKernel queue per write.

disk|deviceLatency_average

Physical Device Command Latency (ms)

The average time taken to complete a command from the physical device.

disk|kernelLatency_average

Kernel Disk Command Latency (ms)

The average time spent in ESX Server VMKernel per command.

disk|queueLatency_average

Queue Command Latency (ms)

The average time spent in the ESX Server VMKernel queue per command.

disk|diskoio

Number of Outstanding IO Operations

Number of Outstanding IO Operations.

disk|diskqueued

Queued Operations

Queued Operations.

disk|diskdemand

Demand

Demand.

disk|sum_queued_oio

Total Queued Outstanding operations

Sum of Queued Operation and Outstanding Operations.

disk|max_observed

Max Observed OIO

Max Observed IO for a disk.

disk|maxTotalLatency_latest

Highest Latency

Highest Latency.

disk|maxQueueDepth_average

Max Queue Depth

Maximum queue depth during the collection interval.

disk|scsiReservationConflicts_summation

SCSI Reservation Conflicts

SCSI Reservation Conflicts.

Memory Metrics for Host Systems

Memory metrics provide information about memory use and allocation.

Table 8. Memory Metrics for Host Systems

Metric Key

Metric Name

Description

mem|host_contentionPct

Contention (%)

Percent host contention.

mem|host_contention

Contention (KB)

Host contention in kilobytes.

mem|host_usage

Host Usage (KB)

Machine usage in kilobytes.

mem|host_demand

Machine Demand (KB)

Host demand in kilobytes.

mem|host_usageVM

Overall Memory used to run VMs on Host (KB)

Overall memory used to run virtual machines on the host in kilobytes.

mem|host_provisioned

Provisioned Memory (KB)

Provisioned memory in kilobytes.

mem|host_minfree

Minimum Free Memory (KB)

Minimum free memory.

mem|reservedCapacityPct

Reserved Capacity (%)

Percent reserved capacity.

mem|host_usable

Usable Memory (KB)

Usable memory in kilobytes.

mem|host_usagePct

Usage (%)

Memory currently in use as a percentage of total available memory.

mem|host_systemUsage

ESX System Usage

Memory usage by the VMkernel and ESX user-level services.

mem|active_average

Guest Active (KB)

Amount of memory that is actively used.

mem|consumed_average

Consumed (KB)

Amount of host memory consumed by the virtual machine for guest memory.

mem|granted_average

Granted (KB)

Amount of memory available for use.

mem|heap_average

Heap (KB)

Amount of memory allocated for heap.

mem|heapfree_average

Heap Free (KB)

Amount of free space in the heap.

mem|overhead_average

VM Overhead (KB)

Memory overhead reported by host.

mem|reservedCapacity_average

Reserved Capacity (KB)

Reserved capacity in kilobytes.

mem|shared_average

Shared (KB)

Amount of shared memory in kilobytes.

mem|sharedcommon_average

Shared Common (KB)

Amount of shared common memory in kilobytes.

mem|swapin_average

Swap In (KB)

Amount of memory swapped in.

mem|swapout_average

Swap Out KB)

Amount of memory swapped out.

mem|swapused_average

Swap Used (KB)

Amount of memory used for swapped space in kilobytes.

mem|sysUsage_average

VM kernel Usage (KB)

Amount of memory used by the VM kernel.

mem|unreserved_average

Unreserved (KB)

Amount of unreserved memory in kilobytes.

mem|vmmemctl_average

Balloon (KB)

Amount of memory currently used by the virtual machine memory control.

mem|zero_average

Zero (KB)

Amount of memory that is all zero.

mem|state_latest

State (0-3)

Overall state of the memory. The value is an integer between 0 (high) and 3 (low).

mem|host_usage

Usage (KB)

Host memory use in kilobytes.

mem|usage_average

Usage (%)

Memory currently in use as a percentage of total available memory.

mem|swapinRate_average

Swap In Rate (KBps)

Rate at which memory is swapped from disk into active memory during the interval in kilobyte per second.

mem|swapoutRate_average

Swap Out Rate (KBps)

Rate at which memory is being swapped from active memory to disk during the current interval in kilobytes per second.

mem|activewrite_average

Active Write (KB)

Average active writes in kilobytes.

mem|compressed_average

Compressed (KB)

Average memory compression in kilobytes.

mem|compressionRate_average

Compression Rate (KBps)

Average compression rate in kilobytes per second.

mem|decompressionRate_average

Decompression Rate (KBps)

Decompression rate in kilobytes per second.

mem|totalCapacity_average

Total Capacity (KB)

Total capacity in kilobytes.

mem|latency_average

Latency

Percentage of time the VM is waiting to access swapped or compressed memory.

mem|capacity.contention_average

Capacity Contention

Capacity Contention.

mem|llSwapInRate_average

Swap In Rate from Host Cache

Rate at which memory is being swapped from host cache into active memory.

mem|llSwapIn_average

Swap In from Host Cache

Amount of memory swapped-in from host cache.

mem|llSwapOutRate_average

Swap Out Rate to Host Cache

Rate at which memory is being swapped to host cache from active memory.

mem|llSwapOut_average

Swap Out to Host Cache

Amount of memory swapped-out to host cache.

mem|llSwapUsed_average

Swap Space Used in Host Cache

Space used for caching swapped pages in the host cache.

mem|lowfreethreshold_average

Low Free Threshold

Threshold of free host physical memory below which ESX will begin reclaiming memory from VMs through ballooning and swapping.

mem|vmWorkloadDisparityPct

VM Memory Workload Disparity

Percentage Memory workload disparity among the VMs on the Host.

mem|active_longterm_load

Active Host Load For Balance (Long Term)

Active Host Load For Balance (Long Term).

mem|active_shortterm_load

Active Host Load For Balance (Short Term)

Active Host Load For Balance (Short Term).

Network Metrics for Host Systems

Network metrics provide information about network performance.

Table 9. Network Metrics for Host Systems

Metric Key

Metric Name

Description

net|packetsRxPerSec

Packets Received per second

Number of packets received in the performance interval.

net|packetsTxPerSec

Packets Transmitted per second

Number of packets transmitted in the performance interval.

net|packetsPerSec

Packets per second

Number of packets transmitted and received per second.

net|usage_average

Usage Rate (KBps)

The sum of the data transmitted and received for all the NIC instances of the host or virtual machine.

net|usage_capacity

I/O Usage Capacity

I/O Usage Capacity.

net|maxObserved_KBps

Max Observed Throughput

Max observed rate of network throughput.

net|maxObserved_Tx_KBps

Max Observed Transmitted Throughput

Max observed transmitted rate of network throughput.

net|maxObserved_Rx_KBps

Max Observed Received Throughput

Max observed received rate of network throughput.

net|demand

Demand (%)

Percent demand.

net|transmitted_average

Data Transmit Rate (KBps)

Average amount of data transmitted per second.

net|received_average

Data Receive Rate (KBps)

Average amount of data received per second.

net|packetsRx_summation

Packets Received

Number of packets received in the performance interval.

net|packetsTx_summation

Packets Transmitted

Number of packets transmitted in the performance interval.

net|droppedRx_summation

Received Packets Dropped

Number of received packets dropped in the performance interval.

net|droppedTx_summation

Transmitted Packets Dropped

Number of transmitted packets dropped in the performance interval.

net|droppedPct

Packets Dropped (%)

Percent packets dropped.

net|dropped

Packets Dropped

Number of packets dropped in the performance interval.

net|bytesRx_average

bytes Rx (KBps)

Average amount of data received per second.

net|bytesTx_average

bytes Tx (KBps)

Average amount of data transmitted per second.

net|broadcastRx_summation

Broadcast Packets Received

Number of broadcast packets received during the sampling interval.

net|broadcastTx_summation

Broadcast Packets Transmitted

Number of broadcast packets transmitted during the sampling interval.

net|errorsRx_summation

Error Packets Received

Number of packets with errors received.

net|errorsTx_summation

Error Packets Transmitted

Number of packets with errors transmitted.

net|multicastRx_summation

Multicast Packets Received

Number of multicast packets received.

net|multicastTx_summation

Multicast Packets Transmitted

Number of multicast packets transmitted.

net|throughput.usage.ft_average

FT Throughput Usage

FT Throughput Usage.

net|throughput.usage.hbr_average

HBR Throughput Usage

HBR Throughput Usage.

net|throughput.usage.iscsi_average

iSCSI Throughput Usage

iSCSI Throughput Usage.

net|throughput.usage.nfs_average

NFS Throughput Usage

NFS Throughput Usage.

net|throughput.usage.vm_average

VM Throughput Usage

VM Throughput Usage.

net|throughput.usage.vmotion_average

vMotion Throughput Usage

vMotion Throughput Usage.

net|unknownProtos_summation

Unknown Protocol Frames Received

Number of frames with unknown protocol received.

System Metrics for Host Systems

System metrics provide information about the amount of CPU that resources and other applications use.

Table 10. System Metrics for Host Systems

Metric Key

Metric Name

Description

sys|poweredOn

Power ON

1 if the host system is powered on, 0 if the host system is powered off, or -1 if the power state is unknown.

sys|uptime_latest

Uptime (seconds)

Number of seconds since the last system startup.

sys|diskUsage_latest

Disk Usage (%)

Percent disk use.

sys|resourceCpuUsage_average

Resource CPU Usage (MHz)

Amount of CPU that the Service Console and other applications use.

sys|resourceCpuAct1_latest

Resource CPU Active (1 min. average)

Percentage of resource CPU that is active. Average value during a one-minute period.

sys|resourceCpuAct5_latest

Resource CPU Active (%) (5 min. average)

Percentage of resource CPU that is active. Average value during a five-minute period.

sys|resourceCpuAllocMax_latest

Resource CPU Alloc Max (MHz)

Maximum resource CPU allocation in megahertz.

sys|resourceCpuAllocMin_latest

Resource CPU Alloc Min (MHz)

Minimum resource CPU allocation in megahertz.

sys|resourceCpuAllocShares_latest

Resource CPU Alloc Shares

Number of resource CPU allocation shares.

sys|resourceCpuMaxLimited1_latest

Resource CPU Max Limited (%) (1 min. average)

Percent of resource CPU that is limited to the maximum amount. Average value during a one-minute period.

sys|resourceCpuMaxLimited5_latest

Resource CPU Max Limited (%) (5 min. average)

Percentage of resource CPU that is limited to the maximum amount. Average value during a five-minute period.

sys|resourceCpuRun1_latest

Resource CPU Run1 (%)

Percent resource CPU for Run1.

sys|resourceCpuRun5_latest

Resource CPU Run5 (%)

Percent resource CPU for Run5.

sys|resourceMemAllocMax_latest

Resource Memory Alloc Max (KB)

Maximum resource memory allocation in kilobytes.

sys|resourceMemAllocMin_latest

Resource Memory Alloc Min (KB)

Minimum resource memory allocation in kilobytes.

sys|resourceMemAllocShares_latest

Resource Memory Alloc Shares

Number of resource memory shares allocated.

sys|resourceMemCow_latest

Resource Memory Cow (KB)

Cow resource memory in kilobytes.

sys|resourceMemMapped_latest

Resource Memory Mapped (KB)

Mapped resource memory in kilobytes.

sys|resourceMemOverhead_latest

Resource Memory Overhead (KB)

Resource memory overhead in kilobytes.

sys|resourceMemShared_latest

Resource Memory Shared (KB)

Shared resource memory in kilobytes.

sys|resourceMemSwapped_latest

Resource Memory Swapped (KB)

Swapped resource memory in kilobytes.

sys|resourceMemTouched_latest

Resource Memory Touched (KB)

Touched resource memory in kilobytes.

sys|resourceMemZero_latest

Resource Memory Zero (KB)

Zero resource memory in kilobytes.

sys|resourceMemConsumed_latest

Resource Memory Consumed

Resource Memory Consumed Latest (KB).

sys|resourceFdUsage_latest

Resource File descriptors usage

Resource File descriptors usage (KB).

sys|vmotionEnabled

vMotion Enabled

1 if vMotion is enabled or 0 if vMotion is not enabled.

sys|notInMaintenance

Not in Maintenance

Not in maintenance.

Management Agent Metrics for Host Systems

Management agent metrics provide information about memory use.

Table 11. Management Agent Metrics for Host Systems

Metric Key

Metric Name

Description

managementAgent|memUsed_average

Memory Used (%)

Amount of total configured memory that is available for use.

managementAgent|swapUsed_average

Memory Swap Used (KB)

Sum of the memory swapped by all powered-on virtual machines on the host.

managementAgent|swapIn_average

Memory Swap In (KBps)

Amount of memory that is swapped in for the Service Console.

managementAgent|swapOut_average

Memory Swap Out (KBps)

Amount of memory that is swapped out for the Service Console.

managementAgent|cpuUsage_average

CPU Usage

CPU usage.

Storage Path Metrics for Host Systems

Storage path metrics provide information about data storage use.

Table 12. Storage Adapter Metrics for Host Systems

Metric Key

Metric Name

Description

storagePath|totalLatency

Total Latency (ms)

Total latency in milliseconds.

storagePath|usage

Total Usage (KBps)

Total latency in kilobytes per second.

storagePath|read_average

Read Rate (KBps)

Rate of reading data from the virtual disk.

storagePath|write_average

Write Rate (KBps)

Rate of writing data.

storagePath|commandsAveraged_average

Commands per second

Average number of commands issued per second during the collection interval.

storagePath|numberReadAveraged_average

Reads per second

Average number of read commands issued per second during the collection interval.

storagePath|totalWriteLatency_average

Writes per second

Average number of write commands issued per second during the collection interval.

storagePath|numberWriteAveraged_average

Writes per second

Average number of write commands issued per second during the collection interval.

storagePath|totalReadLatency_average

Read Latency (ms)

Average amount of time for a read operation by the storage adapter.

storagePath|maxTotalLatency_latest

Highest Latency

Highest Latency.

storagePath|storagePathName

Storage Path Name

Storage path name.

Storage Adapter Metrics for Host Systems

Storage adapter metrics provide information about data storage use.

Table 13. Storage Adapter Metrics for Host Systems

Metric Key

Metric Name

Description

storageAdapter|usage

Total Usage (KBps)

Total latency.

storageAdapter|portWWN

Port WWN

Port World Wide Name.

storageAdapter|commandsAveraged_average

Commands per second

Average number of commands issued per second by the storage adapter during the collection interval.

storageAdapter|numberReadAveraged_average

Reads per second

Average number of read commands issued per second by the storage adapter during the collection interval.

storageAdapter|numberWriteAveraged_average

Writes per second

Average number of write commands issued per second by the storage adapter during the collection interval.

storageAdapter|read_average

Read Rate (KBps)

Rate of reading data by the storage adapter.

storageAdapter|totalReadLatency_average

Read Latency (ms)

Average amount of time for a read operation by the storage adapter. Total latency is the sum of kernel latency and device latency.

storageAdapter|totalWriteLatency_average

Write Latency (ms)

Average amount of time for a write operation by the storage adapter. Total latency is the sum of kernel latency and device latency.

storageAdapter|write_average

Write Rate (KBps)

Rate of writing data by the storage adapter.

storageAdapter|demand

Demand

Demand.

storageAdapter|maxTotalLatency_latest

Highest Latency

Highest Latency.

storageAdapter|outstandingIOs_average

Outstanding Requests

Outstanding Requests.

storageAdapter|queueDepth_average

Queue Depth

Queue Depth.

storageAdapter|queueLatency_average

Queue Command Latency (ms)

The average time spent in the ESX Server VM Kernel queue per command.

storageAdapter|queued_average

Queued

Queued.

Storage Metrics for Host Systems

Storage metrics provide information about storage use.

Table 14. Storage Metrics for Host Systems

Metric Key

Metric Name

Description

storage|commandsAveraged_average

Commands per second

Average number of commands issued per second during the collection interval.

storage|totalReadLatency_average

Read Latency (ms)

Average amount of time for a read operation in milliseconds.

storage|read_average

Read Rate (KBps)

Read throughput rate in kilobytes.

storage|numberReadAveraged_average

Reads per second

Average number of read commands issued per second during the collection interval.

storage|totalLatency_average

Total Latency (ms)

Total latency in milliseconds.

storage|usage_average

Total Usage (KBps)

Total throughput rate in kilobytes per second.

storage|totalWriteLatency_average

Write Latency (ms)

Average amount of time for a write operation in milliseconds.

storage|write_average

Write Rate (KBps)

Write throughput rate in kilobytes per second.

storage|numberWriteAveraged_average

Writes per second

Average number of write commands issued per second during the collection interval.

Sensor Metrics for Host Systems

Sensor metrics provide information about host system cooling.

Table 15. Fan Metrics for Host Systems

Metric Key

Metric Name

Description

Sensor|fan|currentValue

Speed (%)

Percent fan speed.

Sensor|fan|healthState

Health State

Fan health state.

Sensor|temperature|currentValue

Temp C

Fan temperature in centigrade.

Sensor|temperature|healthState

Health State

Fan health state.

Power Metrics for Host Systems

Power metrics provide information about host system power use.

Table 16. Power Metrics for Host Systems

Metric Key

Metric Name

Description

power|energy_summation

Energy (Joule)

Host power use in joules.

power|power_average

Power (Watt)

Host power use in watts.

power|powerCap_average

Power Cap (Watt)

Host power capacity in watts.

Disk Space Metrics for Host Systems

Disk space metrics provide information about disk space use.

Table 17. Disk Space Metrics for Host Systems

Metric Key

Metric Name

Description

diskspace|notshared

Not Shared (GB)

Unshared disk space in gigabytes.

diskspace|numvmdisk

Number of Virtual Disks

Number of virtual disks.

diskspace|shared

Shared Used (GB)

Used shared disk space in gigabytes.

diskspace|snapshot

Snapshot Space (GB)

Disk space used by snapshots in gigabytes.

diskspace|diskused

Virtual Disk Used (GB)

Disk space used by virtual disks in gigabytes.

diskspace|used

Virtual machine used (GB)

Disk space used by virtual machines in gigabytes.

diskspace|total_usage

Total disk space used

Total disk space used on all datastores visible to this object.

diskspace|total_capacity

Total disk space

Total disk space on all datastores visible to this object.

diskspace|total_provisioned

Total provisioned disk space

Total provisioned disk space on all datastores visible to this object .

Summary Metrics for Host Systems

Summary metrics provide information about overall host system performance.

Table 18. Summary Metrics for Host Systems

Metric Key

Metric Name

Description

summary|number_running_vms

Number of Running VMs

Number of virtual machines that are on.

summary|max_number_vms

Maximum Number of VMs

Maximum number of virtual machines

summary|number_vmotion

Number of vMotions

Number of vMotions.

summary|total_number_datastores

Total Number of Datastores

Total Number of Datastores.

summary|number_running_vcpus

Number of VCPUs on Powered On VMs

Total number of VCPUs of Virtual Machines that are powered on.

summary|total_number_vms

Total Number of VMs

Total number of virtual machines.

summary|workload_indicator

Workload Indicator (%)

Percent workload indicator.

HBR Metrics for Host Systems

Host-based replication (HBR) metrics provide information about vSphere replication.

Table 19. HBR Metrics for Host Systems

Metric Key

Metric Name

Description

hbr|hbrNetRx_average

Replication Data Received Rate

Replication Data Received Rate.

hbr|hbrNetTx_average

Replication Data Transmitted Rate

Replication Data Transmitted Rate.

hbr|hbrNumVms_average

Replicated VM Count

Number of replicated virtual machines.