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Question 56 - 312-40 discussion

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Elaine Grey has been working as a senior cloud security engineer in an IT company that develops software and applications related to the financial sector. Her organization would like to extend its storage capacity and automate disaster recovery workflows using a VMware private cloud. Which of the following storage options can be used by Elaine in the VMware virtualization environment to connect a VM directly to a LUN and access it from SAN?

A.
File Storage
Answers
A.
File Storage
B.
Object Storage
Answers
B.
Object Storage
C.
Raw Storage
Answers
C.
Raw Storage
D.
Ephemeral Storage
Answers
D.
Ephemeral Storage
Suggested answer: C

Explanation:

In a VMware virtualization environment, to connect a virtual machine (VM) directly to a Logical Unit Number (LUN) and access it from a Storage Area Network (SAN), the appropriate storage option is Raw Device Mapping (RDM), which is also referred to as Raw Storage.

1.Raw Device Mapping (RDM): RDM is a feature in VMware that allows a VM to directly access and manage a storage device. It provides a mechanism for a VM to have direct access to a LUN on the SAN1.

1.LUN Accessibility: By using RDM, Elaine can map a SAN LUN directly to a VM. This allows the VM to access the LUN at a lower level than the file system, which is necessary for certain data-intensive operations2.

1.Disaster Recovery Automation: RDM can be particularly useful in disaster recovery scenarios where direct access to the storage device is required for replication or other automation workflows1.

1.VMware Compatibility: RDM is compatible with VMware vSphere and is commonly used in environments where control over the storage is managed at the VM level1.

Reference: Connecting a VM directly to a LUN using RDM is a common practice in VMware environments, especially when there is a need for storage operations that require more control than what is provided by file-level storage. It is a suitable option for organizations looking to extend their storage capacity and automate disaster recovery workflows12.

asked 18/09/2024
Kristi Riddick
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