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# Disk

## Disk Attributes

These attributes may be used for any disk related operation.

| Attribute           | Type   | Description                      | Examples | Stability                                                        |
| ------------------- | ------ | -------------------------------- | -------- | ---------------------------------------------------------------- |
| `disk.io.direction` | string | The disk IO operation direction. | `read`   | ![Experimental](https://img.shields.io/badge/-experimental-blue) |

`disk.io.direction` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.

| Value   | Description | Stability                                                        |
| ------- | ----------- | ---------------------------------------------------------------- |
| `read`  | read        | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `write` | write       | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
