The R4900 G3 server uses the onboard array card to light up the hard drive

R4900 G3 onboard array card

Use the system's own tools to realize the hard disk lighting operation, the operation is as follows 

 1. Check the yum package that the software depends on, and install it

[root@localhost ~]# yum provides */ledctl Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile ledmon-0.80-2.el7.x86_64 : Enclosure LED Utilities Repo : mnt Matched from: Filename : /usr/sbin/ledctl [root@localhost ~]# yum install ledmon-0.80-2.el7.x86_64 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package ledmon.x86_64 0:0.80-2.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved =================================================================================================================================================================== Package Arch Version Repository =================================================================================================================================================================== Installing: ledmon x86_64 0.80-2.el7 mnt Transaction Summary =================================================================================================================================================================== Install 1 Package Total download size: 58 k Installed size: 144 k Is this ok [y/d/N]: y Downloading packages: Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : ledmon-0.80-2.el7.x86_64 Verifying : ledmon-0.80-2.el7.x86_64 Installed: ledmon.x86_64 0:0.80-2.el7 Complete! 

2. Check the system hard disk configuration and light up the lamp.

 [root@localhost ~]# ledctl locate=/dev/sda