# zOS

Site [llms.txt](/llms.txt)

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## z/OS Attributes (Moved)

z/OS attributes have moved to the [OpenTelemetry Mainframe semantic conventions repository](https://github.com/open-telemetry/semantic-conventions-mainframe).

**Attributes:**

| Key | Stability | Value Type | Description | Example Values |
| --- | --- | --- | --- | --- |
| <a id="zos-smf-id" href="#zos-smf-id">`zos.smf.id`</a> | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Moved to the [OpenTelemetry Mainframe semantic conventions repository](https://github.com/open-telemetry/semantic-conventions-mainframe). | string | The System Management Facility (SMF) identifier that uniquely identifies a z/OS system within a sysplex or mainframe environment and is used for system and performance analysis. | `SYS1` |
| <a id="zos-sysplex-name" href="#zos-sysplex-name">`zos.sysplex.name`</a> | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Moved to the [OpenTelemetry Mainframe semantic conventions repository](https://github.com/open-telemetry/semantic-conventions-mainframe). | string | The name of the sysplex to which the z/OS system belongs. | `SYSPLEX1` |