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diff --git a/health/guides/systemdunits/systemd_automount_unit_failed_state.md b/health/guides/systemdunits/systemd_automount_unit_failed_state.md new file mode 100644 index 000000000..eb3024a90 --- /dev/null +++ b/health/guides/systemdunits/systemd_automount_unit_failed_state.md @@ -0,0 +1,58 @@ +### Understand the alert + +This alert is triggered when a `systemd` automount unit enters the `failed` state. It means that a mounted filesystem has failed or experienced an error and thus is not available for use. + +### What is an automount unit? + +An automount unit is a type of `systemd` unit that handles automounting filesystems. It defines when, where, and how a filesystem should be automatically mounted on the system. Automount units use the `.automount` file extension and are typically located in the `/etc/systemd/system` directory. + +### Troubleshoot the alert + +1. Identify the failed automount unit(s) + +To list all `systemd` automount units and their states, run the following command: + +``` +systemctl list-units --all --type=automount +``` + +Look for the unit(s) with a `failed` state. + +2. Check the automount unit file + +Examine the failed unit's configuration file in `/etc/systemd/system/` or `/lib/systemd/system/` (depending on your system). If there is an error in the configuration, fix it and reload the `systemd` configuration. + +``` +sudo systemctl daemon-reload +``` + +3. Check the journal for errors + +Use the `journalctl` command to check for any system logs related to the failed automount unit: + +``` +sudo journalctl -u [UnitName].automount +``` + +Replace `[UnitName]` with the name of the failed automount unit. Analyze the logs to identify the root cause of the failure. + +4. Attempt to restart the automount unit + +After identifying and addressing the cause of the failure, try to restart the automount unit: + +``` +sudo systemctl restart [UnitName].automount +``` + +Check the unit's status: + +``` +systemctl status [UnitName].automount +``` + +If it's in the `active` state, the issue has been resolved. + +### Useful resources + +1. [Arch Linux Wiki: systemd automount](https://wiki.archlinux.org/title/Fstab#systemd_automount) +2. [systemd automount unit file example](https://www.freedesktop.org/software/systemd/man/systemd.automount.html#Examples) |