# Enum - StorageIORMThresholdMode(vim.StorageResourceManager.CongestionThresholdMode)

Since
  vSphere API 5.1

## Enum Description

User specification of congestion threshold mode on a given datastore

For more information, see congestionThreshold

Enum Constants

Name | Description
--- | ---
automatic | Storagage IO Control will choose appropriate congestion threshold value for that datastore to operate at given percentage of peak throughput. This is the default setting
manual | Use user specified Storage IO Control congestion threshold value

Show WSDL type definition
<simpleType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="StorageIORMThresholdMode"> <restriction base="xsd:string"> <enumeration value="automatic"/> <enumeration value="manual"/> </restriction> </simpleType>