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Collect logs

Contributors juliantap
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You can collect logs for help with troubleshooting. The method you use to collect the logs varies based on how you are running the Docker plugin.

Collect logs for troubleshooting

Steps

  1. If you are running Astra Trident using the recommended managed plugin method (i.e., using docker plugin commands), view them as follows:

    # docker plugin ls
ID                  NAME                DESCRIPTION                          ENABLED
4fb97d2b956b        netapp:latest       nDVP - NetApp Docker Volume Plugin   false
# journalctl -u docker | grep 4fb97d2b956b

    The standard logging level should allow you to diagnose most issues. If you find that’s not enough, you can enable debug logging.

  2. To enable debug logging, install the plugin with debug logging enabled:

    docker plugin install netapp/trident-plugin:<version> --alias <alias> debug=true

    Or, enable debug logging when the plugin is already installed:

    docker plugin disable <plugin>
docker plugin set <plugin> debug=true
docker plugin enable <plugin>

  3. If you are running the binary itself on the host, logs are available in the host’s /var/log/netappdvp directory. To enable debug logging, specify -debug when you run the plugin.

General troubleshooting tips

  • The most common problem new users run into is a misconfiguration that prevents the plugin from initializing. When this happens you will likely see a message such as this when you try to install or enable the plugin:

    Error response from daemon: dial unix /run/docker/plugins/<id>/netapp.sock: connect: no such file or directory

    This means that the plugin failed to start. Luckily, the plugin has been built with a comprehensive logging capability that should help you diagnose most of the issues you are likely to come across.

  • If there are problems with mounting a PV to a container, ensure that rpcbind is installed and running. Use the required package manager for the host OS and check if rpcbind is running. You can check the status of the rpcbind service by running a systemctl status rpcbind or its equivalent.