# Data Object - HostNvmeController(vim.host.NvmeController)

Property of
  HostNvmeTopologyInterface
Extends
  DynamicData
See also
  HostHostBusAdapter, HostNvmeNamespace
Since
  vSphere API 7.0

## Data Object Description

This data object represents an NVME controller.

Some terminology is borrowed from the NVM Express over Fabrics and the NVM Express 1.3 specifications, which are available at the following address: https://nvmexpress.org/resources/specifications/

Properties

Name | Type | Description
--- | --- | ---
associatedAdapter | xsd:string | Associated NVME over Fabrics host bus adapter. A controller is associated with exactly one host at a time through an NVME over Fabrics host bus adapter.
attachedNamespace* | HostNvmeNamespace[] | List of NVME namespaces attached to the controller. Namespaces provide access to a non-volatile storage medium which is part of the NVM subsystem. For an overview, see: "NVM Express over Fabrics 1.0", Section 1.5.2, "NVM Subsystem". "NVM Express 1.3", section 6.1, "Namespaces".
controllerNumber | xsd:int | The controller number uniquely identifies the NVME Controller within its HostSystem. This should not be confused with Controller ID (see "NVM Express over Fabrics 1.0", Section 4.2, "Controller model" for details), which only serves as an identifier within a particular NVME subsystem.
firmwareVersion* | xsd:string | The firmware version of the controller, if available.
fusedOperationSupported | xsd:boolean | Indicates whether fused operations are supported by the controller. An NVME controller may support fused operations. This is required to support shared storage, otherwise data corruption may occur. For more details, see: "NVM Express 1.3", Section 6.2, "Fused Operations".
key | xsd:string | The linkable identifier.
model* | xsd:string | The model name of the controller, if available.
name | xsd:string | Name of the controller. Each controller has a name. For NVME over Fabrics controllers, it is generated when the controller is connected to an NVME over Fabrics adapter.
numberOfQueues | xsd:int | The number of I/O queues allocated for the controller.
queueSize | xsd:int | The size of each of the I/O queues. This will not be greater than the Maximum Queue Entries Supported (mqes) value for the controller. For more information, see: "NVM Express 1.3", section 3.1, "Register definition".
serialNumber* | xsd:string | The serial number of the controller, if available.
subnqn | xsd:string | The NVME subsystem qualified name. Each NVME controller is associated with an NVME subsystem which can present a collection of controllers to the adapter. For more details, refer to: "NVM Express over Fabrics 1.0", Section 1.5.2, "NVM Subsystem".
transportType | xsd:string | The transport type supported by the controller. The set of possible values is described in HostNvmeTransportType. For details, see: "NVM Express over Fabrics 1.0", Section 1.5.1, "Fabrics and Transports".
vendorId* | xsd:string | The vendor ID of the controller, if available.
Properties inherited from DynamicData
None

*Need not be set
Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="HostNvmeController"> <complexContent> <extension base="vsan:DynamicData"> <sequence> <element name="key" type="xsd:string"/> <element name="controllerNumber" type="xsd:int"/> <element name="subnqn" type="xsd:string"/> <element name="name" type="xsd:string"/> <element name="associatedAdapter" type="xsd:string"/> <element name="transportType" type="xsd:string"/> <element name="fusedOperationSupported" type="xsd:boolean"/> <element name="numberOfQueues" type="xsd:int"/> <element name="queueSize" type="xsd:int"/> <element name="attachedNamespace" type="vsan:HostNvmeNamespace" minOccurs="0" maxOccurs="unbounded"/> <element name="vendorId" type="xsd:string" minOccurs="0"/> <element name="model" type="xsd:string" minOccurs="0"/> <element name="serialNumber" type="xsd:string" minOccurs="0"/> <element name="firmwareVersion" type="xsd:string" minOccurs="0"/> </sequence> </extension> </complexContent> </complexType>