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Diffstat (limited to 'collectors/python.d.plugin/megacli/README.md')
| -rw-r--r-- | collectors/python.d.plugin/megacli/README.md | 64 |
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diff --git a/collectors/python.d.plugin/megacli/README.md b/collectors/python.d.plugin/megacli/README.md index 400a4597..4fb7eb1c 100644 --- a/collectors/python.d.plugin/megacli/README.md +++ b/collectors/python.d.plugin/megacli/README.md @@ -6,50 +6,68 @@ sidebar_label: "MegaRAID controllers" # MegaRAID controller monitoring with Netdata -Collects adapter, physical drives and battery stats. +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 -Uses the `megacli` program, 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 password. +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 `sudoers`: +- 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) -To grab stats it executes: +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`. -- `sudo -n megacli -LDPDInfo -aAll` -- `sudo -n megacli -AdpBbuCmd -a0` -It produces: +As the `root` user, do the following: -1. **Adapter State** +```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 +``` -2. **Physical Drives Media Errors** +## Charts -3. **Physical Drives Predictive Failures** +- Adapter State +- Physical Drives Media Errors +- Physical Drives Predictive Failures +- Battery Relative State of Charge +- Battery Cycle Count -4. **Battery Relative State of Charge** +## Enable the collector -5. **Battery Cycle Count** +The `megacli` collector is disabled by default. To enable it, use `edit-config` from the +Netdata [config directory](/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 -**megacli** is disabled by default. Should be explicitly enabled in `python.d.conf`. - -```yaml -megacli: yes -``` - -Edit the `python.d/megacli.conf` configuration file using `edit-config` from the Netdata [config -directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`. +Edit the `python.d/megacli.conf` configuration file using `edit-config` from the +Netdata [config directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`. ```bash cd /etc/netdata # Replace this path with your Netdata config directory, if different |