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SG0-001 · Question #150

Which of the following configurations is aimed at increasing data availability and protecting a storage system from becoming unavailable due to a partial network outage?

The correct answer is B. Multipathing. Multipathing is a configuration designed to increase data availability and protect storage systems from becoming unavailable due to partial network outages.

Storage Connectivity

Question

Which of the following configurations is aimed at increasing data availability and protecting a storage system from becoming unavailable due to a partial network outage?

Options

  • ARedundant SFPs
  • BMultipathing
  • CHot swappable storage enclosures
  • DDual power supply

How the community answered

(39 responses)
  • A
    3% (1)
  • B
    92% (36)
  • C
    5% (2)

Why each option

Multipathing is a configuration designed to increase data availability and protect storage systems from becoming unavailable due to partial network outages.

ARedundant SFPs

Redundant SFPs contribute to overall network reliability but do not, by themselves, create multiple logical data paths for failover in the same way multipathing does.

BMultipathingCorrect

Multipathing software manages multiple physical paths between a server and its storage devices, allowing I/O to failover to an alternate path if one path (e.g., cable, HBA port, or switch port) experiences an outage. This capability ensures continuous data access and protects against partial network connectivity failures.

CHot swappable storage enclosures

Hot swappable storage enclosures allow for component replacement without downtime, which improves hardware maintenance and availability but does not protect against network path outages.

DDual power supply

Dual power supplies provide power redundancy for a device, preventing downtime due to a power supply failure, but they do not address failures in data transmission paths.

Concept tested: Storage multipathing for high availability

Source: https://learn.microsoft.com/en-us/windows-server/storage/multipath-io/overview

Topics

#High availability#Multipathing#Network redundancy#Data availability

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