KB450178 – SAS3IRCU Commands

Last modified: June 14, 2021
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SAS3IRCU Commands


This article details the process of downloading the necessary packages to use the SAS3IRCU commands. These commands can be used to locate drives on specific controller cards within the system.


A configured Storinator running CentOS or FreeNAS

FreeNAS comes with packages pre-installed


To install SAS3IRCU on CentOS(Skip if on FreeNAS):

  1. Download the sas3ircu command:

wget http://images.45drives.com/tools/sas3ircu

  1. Copy the sas3ircu command file to the /usr/local/bin directory.

cp sas3ircu /usr/local/bin

  1. To enable the command to be executed, as root, run the command:

chmod +x sas3ircu

General SAS3IRCU command syntax:

sas3ircu <controller_#> <command> <parameters>

To list the controllers:

sas3ircu list

To show the controller status:

sas3ircu <controller_#> status

To turn on the drive light:

sas3ircu <controller_#> locate <Enclosure:Bay> ON

To turn off the drive light:

sas3ircu <controller_#> locate <Enclosure:Bay> OFF

To view additional help for the command:

sas3ircu help

To list all adapters:

sas3ircu list

To display adapter details and drive details:

sas3ircu <controller_#> display

*Note indexing starts at 0 and ends at n-1, keep in mind when trying to locate the specific slot a drive is placed in.

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