2V0-620 · Question #189
Which three conditions would prevent Storage I/O Control from being enabled on a group of datastores? (Choose three.)
The correct answer is B. A datastore planned for the solution is configured as a Raw Device Mapping file. C. A datastore planned for the solution has three extents. E. The organization has an Enterprise license.. Storage I/O Control has specific datastore type, extent, and licensing requirements that must be met before it can be enabled.
Question
Which three conditions would prevent Storage I/O Control from being enabled on a group of datastores? (Choose three.)
Options
- AThe datastores planned for the solution are used by different vSphere clusters.
- BA datastore planned for the solution is configured as a Raw Device Mapping file.
- CA datastore planned for the solution has three extents.
- DA datastore planned for the solution is configured as NFS.
- EThe organization has an Enterprise license.
How the community answered
(42 responses)- A10% (4)
- B71% (30)
- D19% (8)
Why each option
Storage I/O Control has specific datastore type, extent, and licensing requirements that must be met before it can be enabled.
SIOC supports datastores accessed by hosts across multiple vSphere clusters, so sharing datastores between clusters does not prevent enablement.
SIOC does not support Raw Device Mappings; it is only compatible with VMFS and NFS datastores, so an RDM datastore in the group prevents SIOC from being enabled.
SIOC does not support datastores that span multiple extents; a datastore with three extents is a spanned VMFS volume and is explicitly excluded from SIOC eligibility.
NFS datastores are fully supported by SIOC alongside VMFS, so an NFS datastore does not prevent the feature from being enabled.
SIOC requires a vSphere Enterprise Plus license; a standard Enterprise license does not include SIOC, making it impossible to enable the feature.
Concept tested: Storage I/O Control prerequisites and unsupported configurations
Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.resmgmt.doc/GUID-37CC0E44-7BC7-479C-81DC-520BD21C8D8D.html
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