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diff --git a/collectors/python.d.plugin/megacli/README.md b/collectors/python.d.plugin/megacli/README.md index 1af4d0ea7..e5df4d41d 100644..120000 --- a/collectors/python.d.plugin/megacli/README.md +++ b/collectors/python.d.plugin/megacli/README.md @@ -1,109 +1 @@ -<!-- -title: "MegaRAID controller monitoring with Netdata" -custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/megacli/README.md" -sidebar_label: "MegaRAID controllers" -learn_status: "Published" -learn_topic_type: "References" -learn_rel_path: "Integrations/Monitor/Devices" ---> - -# MegaRAID controller collector - -Collects adapter, physical drives and battery stats using `megacli` command-line tool. - -Executed commands: - -- `sudo -n megacli -LDPDInfo -aAll` -- `sudo -n megacli -AdpBbuCmd -a0` - -## Requirements - -The module uses `megacli`, which can only be executed by `root`. It uses -`sudo` and assumes that it is configured such that the `netdata` user can execute `megacli` as root without a password. - -- Add to your `/etc/sudoers` file: - -`which megacli` shows the full path to the binary. - -```bash -netdata ALL=(root) NOPASSWD: /path/to/megacli -``` - -- Reset Netdata's systemd - unit [CapabilityBoundingSet](https://www.freedesktop.org/software/systemd/man/systemd.exec.html#Capabilities) (Linux - distributions with systemd) - -The default CapabilityBoundingSet doesn't allow using `sudo`, and is quite strict in general. Resetting is not optimal, but a next-best solution given the inability to execute `megacli` using `sudo`. - - -As the `root` user, do the following: - -```cmd -mkdir /etc/systemd/system/netdata.service.d -echo -e '[Service]\nCapabilityBoundingSet=~' | tee /etc/systemd/system/netdata.service.d/unset-capability-bounding-set.conf -systemctl daemon-reload -systemctl restart netdata.service -``` - -## Charts - -- Adapter State -- Physical Drives Media Errors -- Physical Drives Predictive Failures -- Battery Relative State of Charge -- Battery Cycle Count - -## Enable the collector - -The `megacli` collector is disabled by default. To enable it, use `edit-config` from the -Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md), which is typically at `/etc/netdata`, to edit the `python.d.conf` -file. - -```bash -cd /etc/netdata # Replace this path with your Netdata config directory, if different -sudo ./edit-config python.d.conf -``` - -Change the value of the `megacli` setting to `yes`. Save the file and restart the Netdata Agent -with `sudo systemctl restart netdata`, or the appropriate method for your system. - -## Configuration - -Edit the `python.d/megacli.conf` configuration file using `edit-config` from the -Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md), which is typically at `/etc/netdata`. - -```bash -cd /etc/netdata # Replace this path with your Netdata config directory, if different -sudo ./edit-config python.d/megacli.conf -``` - -Battery stats disabled by default. To enable them, modify `megacli.conf`. - -```yaml -do_battery: yes -``` - -Save the file and restart the Netdata Agent with `sudo systemctl restart netdata`, or the [appropriate -method](https://github.com/netdata/netdata/blob/master/docs/configure/start-stop-restart.md) for your system. - - -### Troubleshooting - -To troubleshoot issues with the `megacli` module, run the `python.d.plugin` with the debug option enabled. The -output will give you the output of the data collection job or error messages on why the collector isn't working. - -First, navigate to your plugins directory, usually they are located under `/usr/libexec/netdata/plugins.d/`. If that's -not the case on your system, open `netdata.conf` and look for the setting `plugins directory`. Once you're in the -plugin's directory, switch to the `netdata` user. - -```bash -cd /usr/libexec/netdata/plugins.d/ -sudo su -s /bin/bash netdata -``` - -Now you can manually run the `megacli` module in debug mode: - -```bash -./python.d.plugin megacli debug trace -``` - +integrations/megacli.md
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