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# megacli
Module collects adapter, physical drives and battery stats.
**Requirements:**
* `megacli` program
* `sudo` program
* `netdata` user needs to be able to be able to sudo the `megacli` program without password
To grab stats it executes:
* `sudo -n megacli -LDPDInfo -aAll`
* `sudo -n megacli -AdpBbuCmd -a0`
It produces:
1. **Adapter State**
2. **Physical Drives Media Errors**
3. **Physical Drives Predictive Failures**
4. **Battery Relative State of Charge**
5. **Battery Cycle Count**
### prerequisite
This 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 password.
Add to `sudoers`:
netdata ALL=(root) NOPASSWD: /path/to/megacli
### configuration
**megacli** is disabled by default. Should be explicitly enabled in `python.d.conf`.
```yaml
megacli: yes
```
Battery stats disabled by default. To enable them modify `megacli.conf`.
```yaml
do_battery: yes
```
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