show environment fan

Syntax

show environment fan [vsf | vsx-peer]

Description

Shows the status information for all fans and fan trays (if present) in the system.

Command context

Manager (#)

Parameters

vsf

Shows output from the VSF member-id on switches that support VSF.

[vsx-peer]

Shows the output from the VSX peer switch. If the switches do not have the VSX configuration or the ISL is down, the output from the VSX peer switch is not displayed. This parameter is available on switches that support VSX.

Authority

Operators or Administrators or local user group members with execution rights for this command. Operators can execute this command from the operator context (>) only.

Usage

For fan trays, Status is one of the following values:

ready

The fan tray is operating normally.

fault

The fan tray is in a fault event. The status of the fan tray does not indicate the status of fans.

empty

The fan tray is not installed in the system.

For fans:

Speed

Indicates the relative speed of the fan based on the nominal speed range of the fan. Values are:

Slow

The fan is running at less than 25% of its maximum speed.

Normal

The fan is running at 25-49% of its maximum speed.

Medium

The fan is running at 50-74% of its maximum speed.

Fast

The fan is running at 75-99% of its maximum speed.

Max

The fan is running at 100% of its maximum speed.

N/A

The fan is not installed.

Direction

The direction of airflow through the fan. Values are:

front-to-back

Air flows from the front of the system to the back of the system.

N/A

The fan is not installed.

Status

Fan status. Values are:

uninitialized

The fan has not completed initialization.

ok

The fan is operating normally.

fault

The fan is in a fault state.

empty

The fan is not installed.

Examples

Showing output for a system without a fan tray:

switch# show environment fan

Fan information
---------------------------------------------------------------
Fan   Serial Number  Speed   Direction      Status        RPM
---------------------------------------------------------------
1     SGXXXXXXXXXX   slow    front-to-back  ok            6000
2     SGXXXXXXXXXX   normal  front-to-back  ok            8000
3     SGXXXXXXXXXX   medium  front-to-back  ok            11000
4     SGXXXXXXXXXX   fast    front-to-back  ok            14000
5     SGXXXXXXXXXX   max     front-to-back  fault         16500
6     N/A            N/A     N/A            empty     
...