VMware Aria Operations collects CPU usage, disk, memory, network, storage, disk space, and summary metrics for data center objects.

Data center metrics include capacity and badge metrics. See definitions in:

Data Center Metrics for ROI Dashboard

Data center metrics provide information about data center savings across vCenters.
Metric Name Description
Realized Cost Savings
Realized Savings Idle Cost This metric displays the total realize savings for VMs across all vCenters.

Key: cost|realized_savings|realizedIdleCost

Realized Savings Powered Off Cost (AOA) This metric displays the total realized savings for powered off VMs across all vCenters.

Key: cost|realized_savings|realizedPoweredOffCost

Realized Savings Snapshot Space Cost (AOA) This metric displays the snapshots space saved across all vCenters.

Key: cost|realized_savings|realizedSnapshotSpaceCost

Realized Savings Oversized Cost (AOA) This metric displays the oversized savings across all vCenters.

Key: cost|realized_savings|realizedOversizedCost

Realized Savings Orphaned Disk Space Cost (AOA) This metric displays the amount of disk space saved by orphaned disks across all vCenters.

Key: cost|realized_savings|realizedOrphanedDiskSpaceCost

Realized Savings Reclaimable Host Cost (AOA) This metric displays the amount of reclaimable host savings across all vCenters.

Key: cost|realized_savings|realizedReclaimableHostCost

Realized vCPUs from Oversized VMs This metric displays the number of vCPUs realized across all vCenters.

Key: realized|realizedVCpus

Compute Realized Memory from Oversized VMs This metric displays the amount of memory realized from oversized VMs across all vCenters.

Key: compute_realized|realizedOversizedMem

Realized Potential Memory Consumed from Oversized VMs This metric displays the potential memory consumed from oversized VMs across all vCenters.

Key: realized|realizedPotentialMemConsumed

Compute Realized vCPUs from Oversized VMs This metric displays the realized vCPUs from oversized VMs across all vCenters.

Key: compute_realized|realizedOversizedVCpus

Compute Realized vCPUs from Idle VMs This metric displays the realized vCPUs from idle VMs across all vCenters.

Key: compute_realized|realizedIdleVCpus

Compute Realized Memory from Idle VMs This metric displays the amount of memory realized from idle VMs across all vCenters.

Key: compute_realized|realizedIdleMem

Disk Space Realized Idle VMs This metric displays the amount of disk space realized from idle VMs across all vCenters.

Key: storage_realized|realizedIdleDiskSpace

Disk Space Realized PoweredOff VMs This metric displays the amount of disk space realized from powered off VMs across all vCenters.

Key: storage_realized|realizedPoweredOffDiskSpace

Disk Space Realized VM Snapshots This metric displays the amount of disk space realized from VM snapshots across all vCenters.

Key: storage_realized|realizedSnapshotSpace

Disk Space Realized Orphaned Disks This metric displays the amount of disk space realized from orphaned disks across all vCenters.

Key: storage_realized|realizedIdleDiskSpace

Realized Savings Total Realized Cost This metric displays the total realized cost across all vCenters.

Key: cost|realized_savings|realizedTotalCost

CPU Usage Metrics for Data Centers

CPU usage metrics provide information about CPU use.

Metric Name Description
Capacity Usage (%) Percent capacity used.

Key: cpu|capacity_usagepct_average

CPU Contention (%) CPU capacity contention.

Key: cpu|capacity_contentionPct

Demand (%) CPU demand percentage.

Key: cpu|demandPct

Demand Demand in megahertz.

Key: cpu|demandmhz

Demand (MHz) CPU utilization level based on descendant virtual machines utilization. This Includes reservations, limits, and overhead to run the virtual machines.

Key: cpu|demandmhz

Overhead (KB) Amount of CPU overhead.

Key: cpu|overhead_average

Demand without overhead Value of demand excluding any overhead.

Key: cpu|demand_without_overhead

Total Wait CPU time spent on idle state.

Key: cpu|wait

Number of CPU Sockets Number of CPU sockets.

Key: cpu|numpackages

Overall CPU Contention (ms) Overall CPU contention in milliseconds.

Key: cpu|capacity_contention

Host Provisioned Capacity (MHz) Host provisioned capacity in megahertz.

Key: cpu|capacity_provisioned

Provisioned vCPU(s) Provisioned vCPU(s).

Key: cpu|corecount_provisioned

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

Key: cpu|reservedCapacity_average

Usage Average CPU usage in megahertz.

Key: cpu|usagemhz_average

IO Wait IO wait time in milliseconds.

Key: cpu|iowait

Provisioned Capacity Provisioned Capacity.

Key: cpu|vm_capacity_provisioned

Stress Balance Factor Stress Balance Factor.

Key: cpu|stress_balance_factor

Lowest Provider Capacity Remaining Lowest Provider Capacity Remaining.

Key: cpu|min_host_capacity_remaining

Workload Balance Factor Workload Balance Factor.

Key: cpu|workload_balance_factor

Highest Provider Workload Highest Provider Workload.

Key: cpu|max_host_workload

Host workload Max-Min Disparity Difference of Max and Min host workload in the container.

Key: cpu|host_workload_disparity

Host stress Max-Min Disparity Difference of Max and Min host stress in the container.

Key: cpu|host_stress_disparity

Total Capacity (MHz) Total CPU resources configured on the descendant ESXi hosts.

Key: cpu|capacity_provisioned

Usable Capacity (MHz) The usable CPU resources that are available for the virtual machines after considering reservations for vSphere High Availability (HA) and other vSphere services.

Key: cpu|haTotalCapacity_average

Disk Metrics for Data Centers

Disk metrics provide information about disk use.

Metric Name Description
Total IOPS Average number of commands issued per second during the collection interval.

Key: disk|commandsAveraged_average

Total Latency (ms) Average amount of time taken for a command from the perspective of the guest operating system. This metric is the sum of the Kernel Latency and Physical Device Latency metrics.

Key: disk|totalLatency_average

Total Throughput (KBps) Average of the sum of the data read and written for all the disk instances of the host or virtual machine.

Key: disk|usage_average

Total queued outstanding operations Sum of queued operations and outstanding operations.

Key: disk|sum_queued_oio

Max observed OIO Max observed IO for a disk.

Key: disk|max_observed

Memory Metrics for Data Centers

Memory metrics provide information about memory use and allocation.

Metric Name Description
Contention (%) Machine Contention Percentage.

Key: mem|host_contentionPct

Machine Demand (KB) Memory machine demand in kilobytes.

Key: mem|host_demand

ESX System Usage Memory usage by the VM kernel and ESX user-level services.

Key: mem|host_systemUsage

Provisioned Memory (KB) Provisioned host memory in kilobytes.

Key: mem|host_provisioned

Reserved Capacity (KB) Reserved memory capacity in kilobytes.

Key: mem|reservedCapacity_average

Usable Memory (KB) Usable host memory in kilobytes.

Key: mem|host_usable

Host Usage Host memory use in kilobytes.

Key: mem|host_usage

Usage/Usable (%) Percent host memory used.

Key: mem|host_usagePct

VM Overhead Memory overhead reported by host.

Key: mem|overhead_average

Stress Balance Factor Stress Balance Factor.

Key: mem|stress_balance_factor

Lowest Provider Capacity Remaining Lowest Provider Capacity Remaining.

Key: mem|min_host_capacity_remaining

Workload Balance Factor Workload Balance Factor.

Key: mem|workload_balance_factor

Highest Provider Workload Highest Provider Workload.

Key: mem|max_host_workload

Host workload Max-Min Disparity Difference of Max and Min host workload in the container.

Key: mem|host_workload_disparity

Host stress Max-Min Disparity Difference of Max and Min host stress in the container.

Key: mem|host_stress_disparity

Utilization (KB) Memory utilization level based on the descendant virtual machines utilization. Includes reservations, limits, and overhead to run the Virtual Machines.

Key: mem|total_need

Total Capacity (KB) Total physical memory configured on descendant ESXi hosts.

Key: mem|host_provisioned

Usable Capacity (KB) The usable memory resources available for the virtual machines after considering reservations for vSphere HA and other vSphere services.

Key: mem|haTotalCapacity_average

Network Metrics for Data Centers

Network metrics provide information about network performance.

Metric Name Description
Packets Dropped Percentage of packets dropped.

Key: net|droppedPct

Max Observed Throughput Max observed rate of network throughput.

Key: net|maxObservedKBps

Data Transmit Rate Average amount of data transmitted per second.

Key: net|transmitted_average

Data Receive Rate Average amount of data received per second.

Key: net|received_average

Total Throughput (KBps) The sum of the data transmitted and received for all the NIC instances of the host or virtual machine.

Key: net|usage_average

Storage Metrics for Data Centers

Storage metrics provide information about storage use.

Metric Name Description
Total Usage Total throughput rate.

Key: storage|usage_average

Datastore Metrics for Data Centers

Datastore metrics provide information about Datastore use.

Metric Name Description
Outstanding IO requests OIO for datastore.

Key: datastore|demand_oio

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

Key: datastore|numberReadAveraged_average

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

Key: datastore|numberWriteAveraged_average

Read Throughput (KBps) Amount of data read in the performance interval.

Key: datastore|read_average

Write Throughput (KBps) Amount of data written to disk in the performance interval.

Key: datastore|write_average

Disk Space Metrics for Data Centers

Disk space metrics provide information about disk use.

Metric Name Description
Virtual machine used Used virtual machine disk space in gigabytes.

Key: diskspace|used

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

Key: diskspace|total_usage

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

Key: diskspace|total_capacity

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

Key: diskspace|total_provisioned

Shared Used (GB) Shared disk space in gigabytes.

Key: diskspace|shared

Snapshot Space (GB) Snapshot disk space in gigabytes.

Key: diskspace|snapshot

Virtual Disk Used (GB) Used virtual disk space in gigabytes.

Key: diskspace|diskused

Number of Virtual Disks Number of Virtual Disks.

Key: diskspace|numvmdisk

Utilization (GB) Storage space used on the connected vSphere Datastores.

Key: diskspace|total_usage

Total Capacity (GB) Total storage space available on the connected vSphere datastores.

Key: diskspace|total_capacity

Summary Metrics for Data Centers

Summary metrics provide information about overall performance.

Metric Name Description
Number of Running Hosts Number of hosts that are ON.

Key: summary|number_running_hosts

Number of Running VMs Number of running virtual machines.

Key: summary|number_running_vms

Maximum Number of VMs Maximum number of virtual machines.

Key: summary|max_number_vms

Number of Clusters Total number of clusters.

Key: summary|total_number_clusters

Number of Hosts Total number of hosts.

Key: summary|total_number_hosts

Number of VMs Total number of virtual machines.

Key: summary|total_number_vms

Total Number of Datastores Total number of datastores.

Key: summary|total_number_datastores

Number of VCPUs on Powered On VMs Total number of VCPUs of virtual machines that are powered on.

Key: summary|number_running_vcpus

Workload Indicator Workload indicator.

Key: summary|workload_indicator

Average Running VM Count per Running Host Average number of running virtual machines per running host.

Key: summary|avg_vm_density

WLP Displays the VM migration trend as part of workload optimization. These metrics are deactivated by default. You must activate them from policies.
  • Fail Count: Number of failed VM move attempts in the last daily cycle.
  • Number of runs: The total number of times the WLP was run during the last daily cycle.
  • Success Count: The number of successful VM moves during the last daily cycle.

Reclaimable Metrics for Data Centers

Reclaimable metrics provide information about reclaimable resources.

Metric Name Description
CPU (vCPUs) Number of reclaimable vCPUs within the data center.

Key: reclaimable|cpu

Disk Space Reclaimable disk space within the data center.

Key: reclaimable|diskspace

Potential Savings Potential saving after reclamation of resources of all reclaimable VMs (Idle VMs, Powered Off VMs, VM snapshots) within the data center.

Key: reclaimable|cost

Memory (KB) Reclaimable memory within the data center.

Key: reclaimable|mem

Virtual Machines Number of VMs having reclaimable resources (Memory, disk space, vCPU) within the data center.

Key: reclaimable|vm_count

Idle VMs|Potential Savings Potential saving after reclamation of resources of Idle VMs within the data center.

Key: reclaimable|idle_vms|cost

Powered Off VMs|Potential Savings Potential saving after reclamation of resources of Powered Off VMs within the data center.

Key: reclaimable|poweredOff_vms|cost

VM Snapshots|Potential Savings Potential saving after reclamation of VM snapshots within the data center.

Key: reclaimable|vm_snapshots |cost

Reclaimable|Orphaned Disks|Potential Savings (Currency) Displays the potential savings after reclaimation of disk space by removing orphaned VMDks from all datastores under datacenter.

reclaimable|cost

Reclaimable|Number of Orphaned Disks Number of reclaimable orphaned disks is the sum of all orphaned disks on it's datastore.

reclaimable|orphaned_disk_count

Reclaimable Host Cost This metric calculates the cumulated reclaimable host cost at cluster level and displays the same metric at data center level.

Reclaimable|Reclaimable Host Cost (Currency)

Cost Metrics for Data Centers

Cost metrics provide information about the cost.
Note: The Effective metrics based on the capacity model assigned at the cluster (Demand/Allocation) pick the corresponding metric from underneath the clusters.
Metric Name Description
Monthly Cluster Aggregated Allocated Cost This metric displays the sum of the monthly allocated cost for both cluster and unclustered hosts.

Key: Cost|Allocation|Monthly Cluster Aggregated Allocated Cost

Monthly Cluster Aggregated Unallocated Cost This metric displays the sum of both cluster and unclustered hosts unallocated cost.

Key: Cost|Allocation|Monthly Cluster Aggregated Unallocated Cost

Monthly Datastore Aggregated Allocated Cost This metric displays the monthly aggregated allocated cost at datastore level.

Key: Cost|Allocation|Monthly Datastore Aggregated Allocated Cost

Monthly Datastore Aggregated Unallocated Cost This metric displays the monthly aggregated unallocated cost at datastore level.

Key: Cost|Allocation|Monthly Datastore Aggregated Unallocated Cost

Monthly Cluster Effective Aggregated Allocated Cost This metric displays the Monthly Cluster Effective Aggregated Allocated Cost cost.

Key: Cost|Monthly Cluster Effective Aggregated Allocated Cost

Monthly Cluster Effective Aggregated Unallocated Cost This metric displays the Monthly Cluster Effective Aggregated Unallocated Cost.

Key: Cost|Monthly Cluster Effective Aggregated Unallocated Cost

Monthly Datastore Effective Aggregated Allocated Cost This metric displays the Monthly Datastore Effective Aggregated Allocated Cost at datastore level.

Key: Cost|Allocation|Monthly Datastore Effective Aggregated Allocated Cost

Monthly Datastore Effective Aggregated Unallocated Cost This metric displays the Monthly Datastore Effective Aggregated Unallocated Cost at datastore level.

Key: Cost|Allocation|Monthly Datastore Effective Aggregated Unallocated Cost

Note: The eight allocation metrics mentioned above, helps you to calculate the cost when you enable the allocation model for costing. The same set of metrics are available when you enable demand model also.
Monthly Cluster Aggregated Cost This metric displays the sum of monthly aggregated allocated and unallocated cost for clusters.

Key: cost|clusterCost

Monthly Cluster Aggregated Unallocated Cost This metric displays the sum of the monthly unallocated cost for both cluster and unclustered hosts.

Key: Cost|Monthly Cluster Aggregated Unallocated Cost

Monthly Datacenter Aggregated Total Cost Monthly aggregated total cost for the data center.

Key: Cost|Monthly Datacenter Aggregated Total Cost

Monthly Datastore Total Cost Monthly data store total cost.

Key: cost|totalCost

Monthly Datastore Aggregated Allocated Cost Monthly aggregated allocated cost for the datastore.

Key: cost|aggrDataStoreAllocatedCost

Monthly Datastore Aggregated Unallocated Cost Monthly aggregated unallocated cost for the datastore.

Key: cost|aggrDataStoreUnallocatedCost

Monthly VM Aggregated Direct Cost Month to date aggregated VM direct cost across all the VMs under the data center.

Key: cost|vmDirectCost

Virtual Machine Operations Metrics for Data Centers

VM operations metrics provide information about the actions performed on the VMs in the datacenter. The following are some important points you must know about VM operation metrics for data centers.
  • VM operations metrics is not collected for custom data centers.
  • If you edit a VM settings and do not perform any action, still it is considered as VM reconfigure operation.
  • During Revert Snapshot, VMs are powered-off, but this operation is not counted under VM Power-off metric.
  • Adding ESXi with VMs is not counted under VM Create metric.
  • Removing ESXi with VMs is not coutned under VM Remove metric.
  • VM hardstop operation is not counted under VM Power Off metric.
Metric Name Description
Inventory
VM Clone This metric displays the number of clone operations on the virtual machine.

Key: Inventory|VM Clone

VM Create This metric displays the number of create operations on the virtual machine.

Key: Inventory|VM Create

VM Delete This metric displays the number of delete operations on the virtual machine.

Key: Inventory|VM Delete

VM Reconfigure This metric displays the number of reconfigure operations on the virtual machine.

Key: Inventory|VM Reconfigure

VM Register This metric displays the number of register operations on the virtual machine.

Key: Inventory|VM Register

VM Template Deploy This metric displays the number templates deployed on the virtual machine.

Key: Inventory|VM Template Deploy

VM Unregister This metric displays the number of unregister operations on the virtual machine.

Key: Inventory|VM Unregister

Location
Storage vMotion This metric displays the number of migrations with vMotion (datastore change operations for Powered-on VMs).

Key: Location|Storage vMotion

VM Datastore Change (powered-off VMs) This metric displays the number of datastore change operations, for powered-off and suspended virtual machines.

Key: Location|VM Datastore Change (powered-off VMs)

VM Host and Datastore Change (powered-off VMs) This metric displays the number of host and datastore change operations, for powered-off and suspended virtual machines.

Key: Location|VM Host and Datastore Change (powered-off VMs)

VM Host and Datastore Change (powered-on VMs) This metric displays the number of host and datastore change operations, for powered-on and suspended virtual machines.

Key: Location|VM Host and Datastore Change (powered-on VMs)

VM Host Change (powered-off VMs) This metric displays the number of host change operations, for powered-off and suspended virtual machines.

Key: Location|VM Host Change (powered-off VMs)

vMotion This metric displays the number of migrations with vMotion (host change operations for powered-on VMs).

Key: Location|vMotion

State
VM Guest Reboot This metric displays the number of reboot operations on the virtual machine guest.

Key: State|VM Guest Reboot

VM Guest Shutdown This metric displays the number of shutdown operations on the virtual machine guest.

Key: State|VM Guest Shutdown

VM Power Off This metric displays the number of power-off operations on the virtual machine.

Key: State|VM Power Off

VM Power On This metric displays the number of power-on operations on the virtual machine.

Key: State|VM Power On

VM Reset This metric displays the number of reset operations on the virtual machine guest.

Key: State|VM Reset

VM Standby Guest This metric displays the number of standby operations on the virtual machine guest.

Key: State|VM Standby Guest

VM Suspend This metric displays the number of suspend operations on the virtual machine.

Key: State|VM Suspend

Disabled Metrics

The following metrics are disabled in this version of VMware Aria Operations . This means that they do not collect data by default.

You can enable these metrics in the Policy workspace. For more information, in VMware Docs search for Collect Metrics and Properties Details.

Metric Name Key
Datastore I/O|Max Observed Number of Outstanding IO Operations (IOPS) datastore|maxObserved_OIO
Datastore I/O|Max Observed Read Rate (KBps) datastore|maxObserved_Read
Datastore I/O|Max Observed Reads per second (IOPS) datastore|maxObserved_NumberRead
Datastore I/O|Max Observed Write Rate (KBps) datastore|maxObserved_Write
Datastore I/O|Max Observed Writes per second (IOPS)0 datastore|maxObserved_NumberWrite
Max Observed Transmitted Throughput Max observed transmitted rate of network throughput.

Key: net|maxObserved_Tx_KBps

Max Observed Received Throughput Max observed received rate of network throughput.

Key: net|maxObserved_Rx_KBps

Not Shared (GB) Unshared disk space in gigabytes.

Key: diskspace|notshared