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Connectware 1.11.0
Connectware 1.11.0
  • Getting Started
    • Introduction
    • System Requirements
    • Connectware Admin UI
    • Basic Components of Connectware
    • Connecting your First Machine
      • Your First Service Commissioning File
  • Documentation
    • Installation and Upgrades
      • Installing Connectware
        • Installing Connectware (Kubernetes)
        • Installing Connectware (Docker)
      • Upgrading Connectware
        • Upgrading Connectware (Kubernetes)
          • Version-Specific Upgrades (Kubernetes)
        • Upgrading Connectware (Docker)
          • Version-Specific Upgrades (Docker)
      • Uninstalling Connectware
        • Uninstalling Connectware (Kubernetes)
        • Uninstalling Connectware (Docker)
      • Licensing
      • Restarting Connectware
    • User Management
      • Users and Roles View
      • Users
      • Roles
      • Permissions
      • Password Policy Rules
      • Default Admin User
      • MQTT Users
      • Adding a MQTT Publish Prefix for Users
      • Multi-Factor Authentication
      • Single Sign-On (SS0)
        • Single Sign-On with Microsoft Entra ID
        • Single Sign-On with LDAP
      • JSON Web Tokens
      • Access Permissions for Admin-UI
        • UI Access
        • Minimum Access Role Pages
    • Services
      • Service Overview
      • Service Resources View
        • Service Links View
        • Servers View
        • Containers View
        • Volumes View
        • Connections View
        • Endpoints View
        • Mappings View
      • Service Details View
      • Service Commissioning Files
        • Version
        • Description
        • Metadata
        • Parameters
        • Definitions
        • Resources
          • Cybus::Connection
          • Cybus::Container
            • Docker Problem with Network Changes
          • Cybus::Endpoint
          • Cybus::File
          • Cybus::IngressRoute
          • Cybus::Link
          • Cybus:Mapping
          • Cybus::Node
          • Cybus::Role
          • Cybus::Server
          • Cybus::User
          • Cybus::Volume
      • Setting Up and Configuring Services
        • Installing Services
        • Enabling Services
        • Updating Services
        • Disabling Services
        • Deleting Services
      • FlowSync
        • Example 1 - Node with Transaction Mode (HTTP)
        • Example 2 - Node Responds (HTTP)
        • Example 3 - Node with Error (HTTP)
        • Example 4 - Node with Timeout Error Code and Error Message (HTTP)
        • Example 5 - Full Transactional Data Flow (HTTP)
        • Example 6 - Full Transactional Data Flow (OPC UA)
      • ServiceID
      • Inter-Service Referencing
      • Deviations
      • Service Logs
        • Logs of Individual Services
        • Logs of All Services
      • Rule Engine
        • Data Processing Rules
        • Rule Sandbox
      • Shared Subscriptions
        • Setting Up Shared Subscriptions
    • Agents
      • Agents View
      • Installing Agents
        • Installing Agents via Docker
        • Installing Agents via Docker Compose
        • Installing Agents via Kubernetes
        • Using Mutual TLS for Agents
      • Registering Agents in Connectware
      • Using Agents
      • Monitoring Agents
      • Agents in Kubernetes
        • Adding Agents Inside your Connectware Installation
        • Remote Agents with the connectware-agent Helm Chart
        • Kubernetes Cluster Requirements for the connectware-agent Helm Chart
        • Installing Connectware Agents using the connectware-agent Helm Chart
        • Installing Connectware Agents without a License Key Using the connectware-agent Helm Chart
        • Upgrading the connectware-agent Helm Chart
        • Uninstalling Connectware agents with the connectware-agent Helm chart
        • Configuration Principles for the connectware-agent Helm Chart
        • Configuring Agents with the connectware-agent Helm Chart
          • Configuring Target Connectware for the connectware-agent Helm Chart
          • Configuring Agent Persistence for the connectware-agent Helm Chart
          • Configuring Compute Resources for the connectware-agent Helm Chart
          • Using a Custom Image Registry for the connectware-agent Helm Chart
          • Configuring Image Pull Policy for the connectware-agent Helm Chart
          • Using Mutual Transport Layer Security (mTLS) for agents with the connectware-agent Helm chart
          • Configuring image name and version for the connectware-agent Helm chart
          • Configuring Environment Variables for the connectware-agent Helm Chart
          • Configuring Labels and Annotations for the connectware-agent Helm Chart
          • Configuring podAntiAffinity for the connectware-agent Helm Chart
          • Assigning Agents to Kubernetes Nodes for the connectware-agent Helm Chart
          • Configuring Security Context for the connectware-agent Helm Chart
          • Controlling the Name of Kubernetes Objects for the connectware-agent Helm Chart
      • Troubleshooting Agents
    • Client Registry
      • Implicit Flow
      • Explicit Flow
      • Granting Access
    • Certificates
      • Certificates View
      • Adding Certificates
      • Removing Certificates
    • Monitoring
      • Data Explorer
      • Live Data
    • Node-RED Workbench
    • System Status
      • System Container Status
      • Internet Connectivity Status
      • Metrics (Data Points and Messages)
      • Agents Status
      • License Information
      • System Information
    • Backup and Restore
      • Volumes
      • User Database
    • CybusMQ
      • Configuring CybusMQ
    • Connectware on Kubernetes
      • Connectware Helm Chart
      • Resizing Broker Volumes in Kubernetes
      • Configuring Core Services
      • LDAP Authentication
        • Configuring LDAP Authentication
        • Enabling TLS for LDAP Authentication
        • Manual Kubernetes Secret for LDAP Authentication Bind User
        • Customizing the Search Filter for LDAP Authentication
        • Customizing the User RDN for LDAP Authentication
      • Troubleshooting Connectware on Kubernetes
    • Environment Variables
    • Industry Protocol Details
      • ADS
        • ADS Connection Properties
        • ADS Endpoint Properties
      • BACnet
        • BACnet Connection Properties
        • BACnet Endpoint Properties
      • Custom Connectors
        • Developing Custom Connectors
        • Deploying Custom Connectors
        • Using Custom Connectors
      • EtherNet/IP
        • EtherNet/Ip Connection Properties
        • EtherNet/Ip Endpoint Properties
      • FOCAS
        • FOCAS Connection Properties
        • FOCAS Endpoint Properties
      • Hottinger Baldwin Messtechnik (HBM)
        • HBM Connection Properties
        • HBM Endpoint Properties
      • Heidenhain DNC
        • Heidenhain DNC Connection Properties
        • Heidenhain DNC Endpoint Properties
      • HTTP/REST
        • HTTP/REST Connection Properties
        • HTTP/REST Endpoint Properties
      • HTTP Server/Node
        • HTTP Server Properties
        • HTTP Node Properties
      • InfluxDB
        • InfluxDB Connection Properties
        • InfluxDB Endpoint Properties
      • Kafka
        • Kafka Connection Properties
        • Kafka Endpoint Properties
      • Modbus/TCP
        • Modbus/TCP Connection Properties
        • Modbus/TCP Endpoint Properties
      • MQTT
        • MQTT Connection Properties
        • MQTT Endpoint Properties
      • MSSQL
        • Mssql Connection Properties
        • Mssql Endpoint Properties
      • OPC DA
        • OPC DA Connection Properties
        • OPC DA Endpoint Properties
      • OPC UA
        • OPC UA Client
          • OPC UA Client Connection Properties
          • OPC UA Client Endpoint Properties
        • OPC UA Server
          • OPC UA Server Properties
          • OPC UA Node Properties
        • OPC UA Object Types
        • OPC UA Server References
          • OPC UA Reference Node
          • OPC UA Object Node
      • Siemens SIMATIC S7
        • Siemens S7 Connection Properties
        • Siemens S7 Endpoint Properties
      • Shdr
        • Shdr Connection Properties
        • Shdr Endpoint Properties
      • SINUMERIK
        • SINUMERIK Connection Properties
        • SINUMERIK Endpoint Properties
      • SOPAS
        • SOPAS Connection Properties
        • SOPAS Endpoint Properties
      • SQL
        • SQL Connection Properties
        • SQL Endpoint Properties
      • Werma WIN Ethernet
        • Werma WIN Ethernet Connection Properties
        • Werma WIN Ethernet Endpoint Properties
      • Systemstate
        • Systemstate Endpoint Properties
    • API Reference
      • User Management (API)
      • Client Registry (API)
      • Services (API)
      • Resources (API)
      • System Status (API)
      • Resource Status Tracking (HTTP API)
      • Industry Protocol Details (API)
    • Changelog
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On this page
  • Verifying after Restarting
  • Troubleshooting when Restarting Fails

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  1. Documentation
  2. Installation and Upgrades

Restarting Connectware

Learn how to safely restart Connectware.

This section explains how to restart Connectware. Restarting may be necessary when applying configuration changes, troubleshooting issues, or performing maintenance tasks.

Restarting Connectware on Kubernetes

In Kubernetes environments, restarting Connectware requires scaling down all controller resources to zero before scaling them back up. The following procedure ensures a proper restart without data loss.

  • The following procedure will scale everything that is currently deployed in the target namespace.

  • If you have any workload besides Connectware Core Services in this namespace, they will be restarted too.

Prerequisites

  • kubectl installed and configured to point at the target Kubernetes cluster

  • A shell capable of storing variables (e.g. bash)

Procedure

  1. Store the namespace that is used for Connectware in a variable:

CONNECTWARE_NS=<namespace here>
  1. Verify what will be restarted using this procedure:

kubectl get sts,deployment -n $CONNECTWARE_NS
  1. If this displays any workload that is not part of the Connectware Core Services, note down their scaling. You'll need to scale them to their original value after finishing this procedure.

  2. Store the number of replicas configured for the broker:

BROKER_REPLICAS=$(kubectl get --no-headers -o custom-columns=":spec.replicas" sts broker -n $CONNECTWARE_NS)
  1. Optional: If you use the optional control-plane-broker, store the number of replicas configured for it:

CONTROL_PLANE_REPLICAS=$(kubectl get --no-headers -o custom-columns=":spec.replicas" sts control-plane-broker -n $CONNECTWARE_NS)
  1. Scale down all StatefulSets and Deployments:

kubectl get deploy,sts -n $CONNECTWARE_NS -o name | xargs -I % kubectl scale -n $CONNECTWARE_NS % --replicas 0
  1. Wait for all pods to be terminated. You can monitor this progress with (terminate with Ctrl+C when no more pods are showing):

while [ True ]; do clear; kubectl get pod -n $CONNECTWARE_NS ; sleep 5; done
  1. Scale up all workloads to 1:

kubectl get deploy,sts -n $CONNECTWARE_NS -o name | xargs -I % kubectl scale -n $CONNECTWARE_NS % --replicas 1
  1. Scale broker to the number of replicas recorded earlier:

kubectl -n $CONNECTWARE_NS scale sts broker --replicas $BROKER_REPLICAS
  1. Optional: If you use the optional control-plane-broker, scale control-plane-broker to the original number of replicas:

kubectl -n $CONNECTWARE_NS scale sts control-plane-broker --replicas $CONTROL_PLANE_REPLICAS
  1. Monitor pods and verify all reach the Running status and report ready:

while [ True ]; do clear; kubectl get pod -n $CONNECTWARE_NS ; sleep 5; done
  1. Optional: Scale any additional workloads in this namespace to the values you noted down earlier.

Restarting Connectware on Docker

  1. Access the system that hosts your Connectware instance via SSH.

  2. Navigate to your Connectware installation directory. If you have used the default values during installation, the installation directory is /opt/connectware.

  3. Stop the current Connectware services:

docker compose down
  1. Restart Connectware:

docker compose up -d

Verifying after Restarting

After restarting Connectware, verify that all services are running correctly:

  1. Verify that the connections to the data sources are reestablished.

  2. Confirm that any previously configured mappings or workflows are functioning.

Troubleshooting when Restarting Fails

If Connectware does not start properly after restart:

  1. Check logs for errors.

    • For Kubernetes: kubectl logs -n $CONNECTWARE_NS <podname>

    • For Docker: docker compose logs <your-connectware-container>

  2. Verify network connectivity between components.

  3. Ensure that the configuration files are valid and correctly formatted.

If problems persist, contact Cybus support at support@cybus.io.

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Last updated 21 days ago

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