The vCenter adapter collects capacity, device, and summary metrics for datastores.

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

Capacity metrics provide information about datastore capacity.

Capacity Metrics for Datastores

Metric Key

Metric Name

Description

capacity | available_space

Available Space (GB)

Available space in gigabytes.

capacity | contention

Data Store Capacity Contention

Datastore capacity contention.

capacity | provisioned

Provisioned (GB)

Datastore size

capacity | total_capacity

Total Capacity (GB)

Total capacity in gigabytes.

capacity | used_space

Used Space (GB)

Used space in gigabytes.

capacity | workload

Workload (%)

Percent workload.

capacity | uncommitted

Uncommitted Space (GB)

Uncommitted space in gigabytes.

capacity | consumer_provisioned

Total Provisioned Consumer Space

Total Provisioned Consumer Space

capacity | usedSpacePct

Used Space (%)

Percentage of datastore space used

Device metrics provide information about device performance.

Devices Metrics for Datastores

Metric Key

Metric Name

Description

devices | busResets_summation

Bus Resets

Number of bus resets that occurred during the performance interval.

devices | commandsAborted_summation

Commands Aborted

Number of aborted commands.

devices | commands_summation

Commands Issued

Number of disk commands issued in the performance interval.

devices | totalLatency_average

Disk Command Latency (ms)

Average time taken for a command from the perspective of a guest operating system. This metric is the sum of Kernel Disk Command Latency and Physical Device Command Latency metrics.

devices | totalReadLatency_average

Disk Read Latency (ms)

Average time taken for a read from the perspective of a guest operating system. This metric is the sum of the Kernel Disk Read Latency and Physical Device Read Latency metrics.

devices | totalWriteLatency_average

Disk Write Latency (ms)

Average amount of time for a write operation to the datastore. Total latency is the sum of kernel latency and device latency.

devices | kernelLatency_average

Kernel Disk Command Latency (ms)

Average time spent in ESX Server V. Kernel per command.

devices | kernelReadLatency_average

Kernel Disk Read Latency (ms)

Average time spent in ESX host VM Kernel per read.

devices | kernelWriteLatency_average

Kernel Disk Write Latency (ms)

Average time spent in ESX Server VM Kernel per write.

devices | number_running_hosts

Number of Running Hosts

Number of running hosts that are powered on.

devices | number_running_vms

Number of Running VMs

Number of running virtual machines that are powered on.

devices | deviceLatency_average

Physical Device Command Latency (ms)

Average time taken to complete a command from the physical device.

devices | deviceReadLatency_average

Physical Device Read Latency (ms)

Average time taken to complete a read from the physical device.

devices | queueLatency_average

Queue Command Latency (ms)

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

devices | queueReadLatency_average

Queue Read Latency (ms)

Average time spent in the ESX Server VM Kernel queue per read.

devices | queueWriteLatency_average

Queue Write Latency (ms)

Average time spent in the ESX Server VM Kernel queue per write.

devices | read_average

Read Rate (KBps)

Amount of data read during the collection interval.

devices | numberRead_summation

Read Requests

Number of times data was read from the disk during the collection interval.

devices | numberReadAveraged_average

Reads per second

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

devices | usage_average

Usage Average (KBps)

Average use in kilobytes per second.

devices | write_average

Write Rate (KBps)

Amount of data written to disk during the collection interval.

devices | numberWrite_summation

Write Requests

Number of times data was written to the disk during the collection interval.

devices | numberWriteAveraged_average

Writes per second

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

devices | commandsAveraged_average

Commands per second

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

devices | deviceWriteLatency_average

Physical Device Write Latency (ms)

Average time taken to complete a write from the physical disk.

Datastore metrics provide information about datastore use.

Datastore Metrics for Datastores

Metric Key

Metric Name

Description

datastore | totalLatency_average

Disk Command Latency (ms)

Disk command latency in milliseconds.

datastore | usage_average

Usage Average (KBps)

Average use in kilobytes per second.

datastore | totalReadLatency_average

Read Latency (ms)

Read latency in milliseconds.

datastore | totalWriteLatency_average

Write Latency (ms)

Write latency in milliseconds.

datastore | demand

Demand

Demand.

datastore | demand_indicator

Demand Indicator

Demand Indicator

datastore | maxObserved_NumberRead

Max Observed Reads per Second

Maximum observed reads per second.

datastore | maxObserved_Read

Max Observed Read Rate (KBps)

Maximum observed read rate in kilobytes per second.

datastore | maxObserved_ReadLatency

Max Observed Read Latency (ms)

Maximum observed read latency in milliseconds.

datastore | maxObserved_NumberWrite

Max Observed Writes per second

Maximum observed writes per second.

datastore | maxObserved_Write

Max Observed Write Rate (KBps)

Maximum observed write rate in kilobytes per second.

datastore | maxObserved_WriteLatency

Max Observed Write Latency (ms)

Maximum observed write latency in milliseconds.

datastore | maxObserved_OIO

Max Observed Number of Outstanding IO Operations

Maximum observed number of outstanding IO operations.

datastore | demand_oio

Outstanding IO requests

OIO for 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

Amount of data read in the performance interval.

datastore | write_average

Write rate

Amount of data written to disk in the performance interval.

Disk space metrics provide information about disk space use.

Disk Space Metrics for Datastores

Metric Key

Metric Name

Description

diskspace | notshared

Not Shared (GB)

Unshared space in gigabytes.

diskspace | numvmdisk

Number of Virtual Disks

Number of virtual disks.

diskspace | provisioned

Provisioned Space (GB)

Provisioned space in gigabytes.

diskspace | shared

Shared Used (GB)

Shared used space in gigabytes.

diskspace | snapshot

Snapshot Space (GB)

Snapshot space in gigabytes.

diskspace | diskused

Virtual Disk Used (GB)

Virtual disk used space in gigabytes.

diskpsace | used

Virtual machine used (GB)

Virtual machine used space in gigabytes.

diskpsace | total_usage

Total disk space used

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

diskpsace | total_capacity

Total disk space

Total disk space on all datastores visible to this object.

diskpsace | total_provisioned

Total provisioned disk space

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

diskspace | disktotal

Total used (GB)

Total used space in gigabytes.

diskspace | swap

Swap File Space (GB)

Swap file space in gigabytes.

diskspace | otherused

Other VM Space (GB)

Other virtual machine space in gigabytes.

diskspace | freespace

Freespace (GB)

Freespace in gigabytes.

diskspace | capacity

Capacity (GB)

Capacity in gigabytes.

diskspace | overhead

Overhead

Amount of disk space that is overhead

Summary metrics provide information about overall performance.

Summary Metrics for Datastores

Metric Key

Metric Name

Description

summary | total_number_hosts

Total Number of Hosts

Total number of hosts.

summary | total_number_vms

Total Number of VMs

Total number of virtual machines.

summary | max_number_vms

Maximum Number of VMs

Maximum number of virtual machines.

summary | workload_indicator

Workload Indicator

Workload indicator.

summary | total_number_clusters

Total Number of Clusters

Total number of clusters.