An administrator is attempting to enable Storage I/O Control on a datastore, but it is failing.
What is the likely reason for this failure?
A.
The host is connected to a datastore is running on ESX 4.0.
B.
The host is connected to a Fibre Channel storage array.
C.
The datastore has multiple extents.
D.
The datastore is managed by a single vCenter Server.
Explanation:
If you experience problems with SIOC or if the number of hosts connected to the datastore has changed since enabling SIOC:
Disable SIOC and save the changes by clicking OK.
Enable SIOC and save the changes.
https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1022091