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

Parameter to
  ExtendVmfsDatastore
Extends
  VmfsDatastoreSpec
See also
  HostDiskPartitionSpec, HostScsiDiskPartition
Since
  2.0

## Data Object Description

Specification to increase the capacity of a VMFS datastore by adding one or more new extents to the datastore. All the extents to be added must be on the same disk. Extension is different from creation in that the VMFS creation specification need not be specified.

Properties

Name | Type | Description
--- | --- | ---
extent | HostScsiDiskPartition[] | Extents to append to VMFS.
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="VmfsDatastoreExtendSpec"> <complexContent> <extension base="vsan:VmfsDatastoreSpec"> <sequence> <element name="partition" type="vsan:HostDiskPartitionSpec"/> <element name="extent" type="vsan:HostScsiDiskPartition" maxOccurs="unbounded"/> </sequence> </extension> </complexContent> </complexType>