2V0-621D · Question #71
An administrator is having a problem configuring Storage I/O Control on a Datastore. Which two conditions could explain the issue? (Choose two.)
The correct answer is A. A host is running ESXi 4.0. B. An ESXi host does not have appropriate licensing. Storage I/O Control (SIOC) requires specific ESXi host versions and appropriate licensing to function correctly, making older hosts or insufficient licenses common configuration blockers.
Question
An administrator is having a problem configuring Storage I/O Control on a Datastore. Which two conditions could explain the issue? (Choose two.)
Options
- AA host is running ESXi 4.0.
- BAn ESXi host does not have appropriate licensing.
- CThe vCenter Server version is 5.0.
- DThe vCenter Server License is Standard.
How the community answered
(27 responses)- A93% (25)
- C4% (1)
- D4% (1)
Why each option
Storage I/O Control (SIOC) requires specific ESXi host versions and appropriate licensing to function correctly, making older hosts or insufficient licenses common configuration blockers.
Storage I/O Control (SIOC) was introduced with vSphere 4.1, meaning hosts running ESXi 4.0 do not support this feature and cannot participate in SIOC-enabled datastores.
Storage I/O Control is a feature typically available with higher-tier vSphere licenses, such as Enterprise Plus, so an ESXi host with a basic or insufficient license will prevent SIOC from being configured or utilized.
vCenter Server version 5.0 fully supports ESXi 4.1 and later hosts, which are compatible with Storage I/O Control, so this version would not inherently block SIOC configuration.
The vCenter Server license typically dictates the features available for vCenter itself, but Storage I/O Control is primarily an ESXi host feature governed by the ESXi host's license, not directly by the vCenter Server's Standard license.
Concept tested: Storage I/O Control requirements (version, licensing)
Source: https://docs.vmware.com/en/VMware-vSphere/5.0/com.vmware.vsphere.resmgmt.doc_50/GUID-82EF35AB-1798-4824-B1F7-3408B170EF1F.html
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