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MegaRAID controller monitoring with Netdata

Collects adapter, physical drives and battery stats.

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.

Add to sudoers:

netdata ALL=(root)       NOPASSWD: /path/to/megacli

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

Configuration

megacli is disabled by default. Should be explicitly enabled in python.d.conf.

megacli: yes

Edit the python.d/megacli.conf configuration file using edit-config from the Netdata config directory, which is typically at /etc/netdata.

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.

do_battery: yes

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