FortiNAC
NOTE: FortiNAC is now named FortiNAC-F. For post-9.4 articles, see FortiNAC-F. FortiNAC is a zero-trust network access solution that provides users with enhanced visibility into the Internet of Things (IoT) devices on their enterprise networks.
cmaheu
Staff
Staff
Article Id 246361
Description

This article describes the process for clearing semaphores when HTTPD fails to start.

 

/etc/httpd/logs/error_log contains error messages similar to the following:


"No space left on device: AH00023: Couldn't create the mpm-accept mutex"

Scope FortiNAC version 9.2.5 and greater.
Solution

1)  Run the following command from the CLI on all servers showing the error:


ipcrm -a

 

2)  Restart HTTPD service:


service httpd restart

 

3)  Validate that HTTPD is now running:


service httpd status

 

Example:

 

service httpd status
Redirecting to /bin/systemctl status httpd.service

 

httpd.service - The Apache HTTP Server
Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
Active: active (running) since Thu 2023-02-16 11:53:45 EST; 23h ago

Contributors