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VCP550 · Question #46

A VMFS5 datastore shows several errors, which suggests file system corruption. Which tool could a vSphere administrator use to check the VMFS file system?

The correct answer is A. vSphere On-disk Metadata Analyzer (VOMA). VOMA is the VMware-provided command-line tool specifically designed to detect and repair on-disk metadata corruption on VMFS file systems.

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Question

A VMFS5 datastore shows several errors, which suggests file system corruption. Which tool could a vSphere administrator use to check the VMFS file system?

Options

  • AvSphere On-disk Metadata Analyzer (VOMA)
  • BVMware Infrastructure Management Assistant (VIMA)
  • CvSphere Storage APIs for Storage Awareness (VASA)
  • DVMware vSphere Health Check Analyzer (VHCA)

How the community answered

(40 responses)
  • A
    93% (37)
  • B
    3% (1)
  • D
    5% (2)

Why each option

VOMA is the VMware-provided command-line tool specifically designed to detect and repair on-disk metadata corruption on VMFS file systems.

AvSphere On-disk Metadata Analyzer (VOMA)Correct

The vSphere On-disk Metadata Analyzer (VOMA) is a utility built into ESXi that scans VMFS on-disk structures and metadata for inconsistencies and corruption, making it the correct and only native VMware tool for diagnosing VMFS file system errors. It can be run against an unmounted VMFS volume to check for and optionally fix metadata issues without requiring third-party tools.

BVMware Infrastructure Management Assistant (VIMA)

VIMA (VMware Infrastructure Management Assistant) is a virtual appliance used for automating vSphere management tasks via command-line scripts, not a diagnostic tool for detecting or repairing VMFS file system corruption.

CvSphere Storage APIs for Storage Awareness (VASA)

VASA (vSphere Storage APIs for Storage Awareness) is an API framework that allows storage arrays to report their topology, capabilities, and health status to vCenter Server, not a utility for inspecting or repairing VMFS metadata.

DVMware vSphere Health Check Analyzer (VHCA)

VHCA (VMware vSphere Health Check Analyzer) is not a recognized official VMware tool; no such product exists for VMFS file system analysis.

Concept tested: VOMA tool for VMFS file system integrity checking

Topics

#VMFS5#file system corruption#VOMA#storage diagnostics

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