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CV0-003 · Question #110

A system administrator needs to spread data storage allocation across multiple physical drives and ensure that these are mapped properly to communicate with the virtual server farm. The…

The correct answer is C. Multipathing. Multipathing creates multiple physical I/O paths between servers and storage devices, distributes access across drives, and allows administrators to dynamically add or remove path mappings between physical storage and virtual servers.

Operations

Question

A system administrator needs to spread data storage allocation across multiple physical drives and ensure that these are mapped properly to communicate with the virtual server farm. The administrator also needs the ability to quickly create or remove these mappings so data storage is not assigned without being used. Which of the following storage techniques would fit these requirements?

Options

  • AVirtual LUN
  • BSubnet masking
  • CMultipathing
  • DPhysical LUN

How the community answered

(32 responses)
  • A
    3% (1)
  • B
    19% (6)
  • C
    72% (23)
  • D
    6% (2)

Why each option

Multipathing creates multiple physical I/O paths between servers and storage devices, distributes access across drives, and allows administrators to dynamically add or remove path mappings between physical storage and virtual servers.

AVirtual LUN

A Virtual LUN abstracts logical storage volumes from physical media but does not inherently provide multi-path I/O routing across multiple physical drives or the dynamic path-level mapping management described in the scenario.

BSubnet masking

Subnet masking is a network IP addressing technique that defines logical network boundaries and has no relationship to storage path mapping or physical drive allocation.

CMultipathingCorrect

Multipathing software manages multiple physical I/O paths between virtual servers and storage devices, spreading data access across multiple physical drives for load balancing and controlled allocation. Path mappings can be quickly created or removed by the administrator, ensuring storage is only actively assigned when in use and preventing idle allocation. This directly satisfies both requirements - distributing storage across physical drives and enabling flexible, dynamic mapping management.

DPhysical LUN

A Physical LUN directly maps to a specific physical storage location and lacks the flexibility to quickly create or remove mappings dynamically across multiple drives.

Concept tested: Multipathing for dynamic storage path management

Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-storage/GUID-C1176A3F-9671-4351-AC73-E2AE23427584.html

Topics

#multipathing#LUN mapping#storage allocation#virtual server

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