If your storage adapters experience performance problems, use the esxcli storage san commands to identify the problems .

Problem

Storage adapters experience performance and I/O problem.

Results

Use the esxcli storage san commands to obtain and display events and statistics for the adapters. You can analyze the commands' output to identify adapter problems and to find appropriate solutions.

Table 1. esxcli storage san commands

Command

Description

Options

esxcli storage san [FC | iSCSI | FCoE | SAS] list

List adapter attributes.

Note:

iSCSI applies to software iSCSI only.

-- adapter | -A

Adapter name (vmhbaX), or none, to list information for all adapters of the particular type.

esxcli storage san [FC | iSCSI | FCoE | SAS] stats get

Get adapter statistics.

Note:

iSCSI applies to software iSCSI only.

-- adapter | -A

Adapter name (vmhbaX), or none, to list information for all adapters of the particular type.

esxcli storage san [FC | FCoE | SAS] reset

Reset a particular adapter.

-- adapter | -A

Adapter name (vmhbaX).

esxcli storage san fc events get

Retrieve events for Fibre Channel adapters.

-- adapter | -A

Adapter name (vmhbaX), or none, to list information for all Fibre Channel adapters on the system.