# Data Object - VmfsDatastoreExpandSpec(vim.host.VmfsDatastoreExpandSpec)

Parameter to
  ExpandVmfsDatastore
Extends
  VmfsDatastoreSpec
See also
  HostDiskPartitionSpec, HostScsiDiskPartition
Since
  vSphere API 4.0

## Data Object Description

Specification to increase the capacity of a VMFS datastore by expanding (increasing the size of) an existing extent of the datastore.

Properties

Name | Type | Description
--- | --- | ---
extent | HostScsiDiskPartition | VMFS extent to expand.
partition | HostDiskPartitionSpec | Partitioning specification.
Properties inherited from VmfsDatastoreSpec
diskUuid
Properties inherited from DynamicData
None

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VmfsDatastoreExpandSpec"> <complexContent> <extension base="vsan:VmfsDatastoreSpec"> <sequence> <element name="partition" type="vsan:HostDiskPartitionSpec"/> <element name="extent" type="vsan:HostScsiDiskPartition"/> </sequence> </extension> </complexContent> </complexType>