Which of the following could be considered a single point of failure for storage?

The correct answer is C. Using a dual-port HBA in an ESXi host. Using a dual-port HBA can result in a single point of failure if the HBA malfunctions, taking out both ports. It is better to use two single-port HBAs.

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Question

Options

AUsing RAID 5 instead of RAID 10
BUsing single-port HBAs in an ESXi host
CUsing a dual-port HBA in an ESXi host
DNot using jumbo frames

How the community answered

(23 responses)

A
4% (1)
B
9% (2)
C
83% (19)
D
4% (1)

Explanation

Using a dual-port HBA can result in a single point of failure if the HBA malfunctions, taking out both ports. It is better to use two single-port HBAs.

Topics

#single point of failure#HBA#storage redundancy#multipathing

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