The on-disk location where instances will be stored. Changing this will not affect existing instances, only newly created ones.
The maximum number of instances that can be provisioned on this datastore. 0 for unlimited.
Datastores that reach or exceed this limit in total size will not be considered as deployment targets. This is only a soft limit and does not prevent instances on this datastore from using more space.
Instances with a lower priority number are preferred over those with a higher number, all other factors being equal.
Deactivating a datastore prevents new instances from being provisioned to it.