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Troubleshooting Fibre Channel HBA Performance Issues (Doc ID 1283727.1)

Last updated on OCTOBER 03, 2022

Applies to:

Qlogic FC HBA - Version Not Applicable to Not Applicable [Release N/A]
Emulex FC HBA - Version Not Applicable to Not Applicable [Release N/A]
Information in this document applies to any platform.


There are several conditions that can affect the performance of a Fibre Channel (FC) Host Bust Adapter (HBA) in the system. These conditions can be random, when related to unstable hardware (anywhere in the link), or deterministic, when related to I/O loading of a storage device that's not able to handle the load. This knowledge document presents several factors that can affect the performance, and some helpful recommendations to identify and resolve such contributing factors.

Troubleshooting Steps

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