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SG0-001 · Question #227

A way to increase bandwidth from a host to a storage device, utilizing an FC storage area network, is by configuring which of the following on the host?

The correct answer is B. Multipathing. This question asks for the correct host-side configuration method to increase bandwidth to a Fibre Channel (FC) storage device within a SAN.

Storage Connectivity

Question

A way to increase bandwidth from a host to a storage device, utilizing an FC storage area network, is by configuring which of the following on the host?

Options

  • ATeaming
  • BMultipathing
  • CLink aggregation
  • DTrunking

How the community answered

(59 responses)
  • A
    2% (1)
  • B
    93% (55)
  • C
    3% (2)
  • D
    2% (1)

Why each option

This question asks for the correct host-side configuration method to increase bandwidth to a Fibre Channel (FC) storage device within a SAN.

ATeaming

Teaming, also known as NIC teaming, is used for aggregating Ethernet network interface cards and is not applicable to Fibre Channel.

BMultipathingCorrect

Multipathing software on a host allows the use of multiple physical paths, such as through multiple host bus adapters or FC switch ports, to the same storage logical unit number (LUN). This not only provides redundancy for storage access but also enables load balancing, which effectively increases the total available bandwidth and throughput from the host to the storage device.

CLink aggregation

Link aggregation (e.g., LACP) is an Ethernet feature used to combine multiple physical network links into a single logical link for increased bandwidth and redundancy; it is not directly used with Fibre Channel.

DTrunking

Trunking is a networking concept primarily associated with Ethernet, where multiple VLANs can share a single physical link, or sometimes with Fibre Channel for inter-switch links but not for host-to-storage bandwidth on the host itself.

Concept tested: Fibre Channel host multipathing benefits

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

Topics

#Fibre Channel#multipathing#SAN performance#bandwidth optimization

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