2V0-620 · Question #6
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?
The correct answer is A. The host is connected to a datastore is running on ESX 4.0. Storage I/O Control (SIOC) was introduced in vSphere 4.1 and requires all hosts accessing the datastore to be running ESXi 4.1 or later. If even one host connected to the datastore is running the older ESX 4.0, SIOC cannot be enabled on that datastore. This is a hard…
Question
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?
Options
- AThe host is connected to a datastore is running on ESX 4.0.
- BThe host is connected to a Fibre Channel storage array.
- CThe datastore has multiple extents.
- DThe datastore is managed by a single vCenter Server.
How the community answered
(41 responses)- A78% (32)
- B2% (1)
- C5% (2)
- D15% (6)
Explanation
Storage I/O Control (SIOC) was introduced in vSphere 4.1 and requires all hosts accessing the datastore to be running ESXi 4.1 or later. If even one host connected to the datastore is running the older ESX 4.0, SIOC cannot be enabled on that datastore. This is a hard requirement: all hosts sharing the datastore must support SIOC. Fibre Channel storage is fully supported by SIOC, multiple extents do not block it, and single vCenter management is the normal supported configuration.
Topics
Community Discussion
No community discussion yet for this question.