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Veeam ONE 9.5
Monitor User Guide

Datastore Performance Chart

The Datastore chart displays historical statistics for all datastores (including vSAN datastores) used by the selected infrastructure component and its child objects.

Datastore Performance Chart

Host

The following table provides information on predefined views and counters that apply to hosts.

Chart View

Counter

Measurement Unit

Description

Datastore IOPS

Disk/ESXi: Datastore I/O

Number

Aggregate number of I/O operations on the datastore.

Disk/ESXi: Datastore Read I/O

Number

Average number of read commands per second to the datastore.

Disk/ESXi: Datastore Write I/O

Number

Average number of write commands per second to the datastore.

Datastore Usage Rates

Disk/ESXi: Datastore Read Rate

B/s

Rate at which data is read from the datastore.

Disk/ESXi: Datastore Usage

B/s

Sum of read and write rates to the datastore.

Disk/ESXi: Datastore Write Rate

B/s

Rate at which data is written to the datastore.

Datastore Latency

Disk/ESXi: Datastore Highest Latency

Seconds

Highest latency value across all datastores used by the host.

Disk/ESXi: Datastore Latency Observed by VMs

Seconds

The average datastore latency as seen by virtual machines.

Disk/ESXi: Datastore Read Latency

Seconds

Average amount of time that a read from the datastore takes.

Disk/ESXi: Datastore Write Latency

Seconds

Average amount of time that a write to the datastore takes.

Datastore Issues

Disk/ESXi: Datastore Bus Resets

Number

Number of SCSI bus reset commands.

Disk/ESXi: Datastore Command Aborts

Number

Number of aborted SCSI commands.

Disk/ESXi: Datastore Maximum Queue Depth

Number

Number of outstanding requests to the storage device.

Virtual Machine

The following table provides information on predefined views and counters that apply to virtual machines.

Chart View

Counter

Measurement Unit

Description

Datastore IOPS

Datastore I/O

Number

Aggregate number of I/O operations on the datastore.

Datastore Read I/O

Number

Average number of read commands per second to the datastore.

Datastore Write I/O

Number

Average number of write commands per second to the datastore.

Disk/vSAN: Recovery Write I/O

Number

Average number of write commands per second to the disk of the vSAN datastore that contains copy of VM data.

Datastore Usage Rates

Datastore Read Rate

B/s

Rate at which data is read from the datastore.

Datastore Usage

B/s

Sum of read and write rates to the datastore.

Datastore Write Rate

B/s

Rate at which data is written to the datastore.

Disk/vSAN: Recovery Write Rate

B/s

Rate of writing data to the vSAN datastore disk storing copy of VM data takes.

Datastore Latency

Datastore Highest Latency

Seconds

Highest latency value across all datastores used by the host.

Datastore Read Latency

Seconds

Average amount of time that a read from the datastore takes.

Datastore Write Latency

Seconds

Average amount of time that a write to the datastore takes.

Disk/vSAN: Recovery Write Latency

Seconds

The average time a write operation to the vSAN datastore disk storing copy of VM data takes.

Datastore Issues

Datastore Bus Resets

Number

Number of SCSI bus reset commands.

Datastore Command Aborts

Number

Number of aborted SCSI commands.

For objects that are parent to ESX(i) hosts and VMs, Veeam ONE Monitor displays rollup values.
Charts for folders, clusters, datacenters, vCenter Servers display rollup values for all hosts in the container. Charts for resource pools display rollup values for all VMs in the resource pool.

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