6.3

Table 1‑18. Datastore Metrics for Virtual Machines (Continued)
Metric Key Metric Name Description
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.
Disk Metrics for Virtual Machines
Disk metrics provide information about disk use.
Table 1‑19. Disk Metrics for Virtual Machines
Metric Key Metric Name Description
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|commandsAveraged_average Commands per second Average number of commands issued
per second during the collection
interval.
disk|usage_average Usage Rate (KBps) Use rate in kilobytes per second.
disk|usage_capacity I/O Usage Capacity I/O Usage Capacity.
disk|diskoio Number of Outstanding IO
Operations
Number of outstanding IO operations.
disk|diskqueued Queued Operations Queued operations.
disk|diskdemand Demand (%) Percent 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|read_average Read Rate (KBps) Amount of data read in the
performance interval.
disk|write_average Write Rate (KBps) Amount of data wrien to disk in the
performance interval.
disk|numberRead_summation Read Requests Number of times data was read from
the disk in the dened interval.
disk|numberWrite_summation Write Requests Number of times data was wrien to
the disk in the dened 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|maxTotalLatency_latest Highest Latency Highest latency.
disk|scsiReservationConicts_summation SCSI Reservation Conicts SCSI Reservation Conicts.
vRealize Operations Definitions for Metrics, Properties, and Alerts
20 VMware, Inc.