This table contains the values for each category of the counters that measure Disk performance.
| Counter Name | Category | Value |
|---|---|---|
| usage | ||
| unit | KBps | |
| description | Collected storage performance statistics for the managed entity. | |
| statistic type | rate | |
| rollup type | all | |
| entity | host, virtual machine (aggregate level only) | |
| numberRead | ||
| unit | number | |
| description | Number of times data was read from the disk in the defined interval. | |
| statistic type | delta | |
| rollup type | summation | |
| entity | host, virtual machine (device instance only) | |
| numberWrite | ||
| unit | number | |
| description | Number of times data was written to the disk in the defined interval. | |
| statistic type | delta | |
| rollup type | summation | |
| entity | host, virtual machine (device instance only) | |
| read | ||
| unit | KBps | |
| description | Amount of data read in the defined interval. | |
| statistic type | rate | |
| rollup type | all | |
| entity | host, virtual machine (device instance only) | |
| write | ||
| unit | KBps | |
| description | Amount of data written to disk during the defined interval. | |
| statistic type | rate | |
| rollup type | all | |
| entity | host, virtual machine (device instance only) |