Zabbix Cannot Write To Ipc Socket Broken Pipe Upd Here
Security modules can sometimes block Zabbix processes from writing to sockets in /tmp or /var/run/zabbix .
Edit the service file: systemctl edit --full zabbix-server
There are several reasons why the "cannot write to IPC socket: Broken pipe" error may occur in Zabbix when using UDP: zabbix cannot write to ipc socket broken pipe upd
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When managing large-scale monitoring environments, Zabbix administrators occasionally encounter the cryptic and disruptive error: . Security modules can sometimes block Zabbix processes from
– temporarily comment out others, test one by one.
If full, clean old socket files or increase partition size. If full, clean old socket files or increase partition size
grep -i "broken pipe" /var/log/zabbix/zabbix_proxy.log
If these common issues are ruled out, a deeper investigation into your specific Zabbix version, workload patterns, and HA configuration will be required. As always, detailed logs are your best friend—the Zabbix support team repeatedly emphasizes that "Without log file it is impossible to investigate reasons of the issue".
If using TCP sockets (e.g., ListenIP=0.0.0.0 and Server=IP ):
After making changes, perform a clean restart of the Zabbix server. In some cases, orphaned processes can hold onto sockets even after the main service is stopped systemctl stop zabbix-server Verify no zabbix processes remain: ps aux | grep zabbix systemctl start zabbix-server Key Log Indicators Log Message Likely Root Cause cannot write to IPC socket: Broken pipe Peer service closed the connection unexpectedly [24] Too many open files for the Zabbix user is too low cannot send data to preprocessing service Preprocessing manager has crashed or is overwhelmed Connection refused [111] The target service is not running at all Are you seeing these errors on a Zabbix Server