CV0-003 · Question #107
An administrator needs to over allocate storage on VMs in a development cluster. Which of the following storage practices will be followed?
The correct answer is B. Thin provisioning. Thin provisioning allows an administrator to allocate more total storage capacity to virtual machines than physically exists on the underlying storage array. Disk space is consumed on-demand as data is actually written, rather than being reserved upfront. This enables…
Question
An administrator needs to over allocate storage on VMs in a development cluster. Which of the following storage practices will be followed?
Options
- ALUN masking
- BThin provisioning
- CThick provisioning
- DFC zoning
How the community answered
(21 responses)- A5% (1)
- B90% (19)
- D5% (1)
Explanation
Thin provisioning allows an administrator to allocate more total storage capacity to virtual machines than physically exists on the underlying storage array. Disk space is consumed on-demand as data is actually written, rather than being reserved upfront. This enables deliberate over-commitment (over-allocation) of storage, which is ideal in development clusters where VMs are unlikely to consume their full allocated capacity at the same time. Thick provisioning is the opposite - it pre-allocates the full disk size immediately, consuming physical storage regardless of actual VM usage. LUN masking and FC zoning are SAN access control and fabric segmentation techniques, not storage allocation strategies.
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