How to verify the CRC errors on VMHBA / Fiber Channel adapters on ESXi hosts

Products

• VMware vSphere ESXi

Issue/Introduction

The document is intend to verify the different stats of the Fiber Channel storage adapters on ESXi host.

Environment

VMware ESXi 7.x

VMware ESXi 8.x

Resolution

The below command can be used for the vmhba stats listing for Fiber channel storage.  Run below command several times to confirm error count is increasing.

 

esxcli storage san fc stats get -A vmhbaX

Stats would report as below running the above command.

FcStat:
   Adapter: vmhbaX
   Tx Frames: 838258340
   Rx Frames: 2615537484
   Lip Count: 0
   Error Frames: 430426 ===============> Frame Errors
   Dumped Frames: 0
   Link Failure Count: 6 ==============> Link Failure Events
   Loss of Signal Count: 6
   PrimSeq Protocol Err Count: 0
   Invalid Tx Word Count: 516
   Invalid CRC Count: 430426 ==========> CRC errors.
   Input Requests: 0
   Output Requests: 0
   Control Requests: 0

 

The below document has detailed list of commands can be used on ESXi host.

esxcli storage commands