This is an archive version of the document. To get the most up-to-date information, see the current version.VM Disk Performance Chart
The Disk chart for virtual machines displays historical statistics for partitions of all disks on the selected VM.
The following table provides information on predefined views and counters.
Chart View | Counter | Measurement Unit | Description |
Virtual Storage Issues | Errors/min | Number | Number of virtual storage errors per minute. |
Flushes/min | Number | Number of virtual storage flush operations per minute. | |
Virtual Storage Usage | Virtual Storage Read Bytes/sec | B/s | Total number of bytes that have been read per second on the virtual device. |
Virtual Storage Write Bytes/sec | B/s | Total number of bytes that have been written per second on the virtual device. | |
Virtual Storage Usage Bytes/sec | B/s | Rate at which bytes have been read and written per second on the virtual device. | |
Virtual Storage IOPS | IOPS | Number | Average number of read and write operations per second during collection interval. |
Reads/sec | Number | Total number of read operations that have occurred on the virtual device. | |
Writes/sec | Number | The total number of write operations that have occurred on the virtual device. |