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mcelog Cookbook

Cookbook Version CI State OpenCollective OpenCollective License

Installs and configures mcelog for decoding kernel hardware error messages on Linux.

Maintainers

This cookbook is maintained by the Sous Chefs. The Sous Chefs are a community of Chef cookbook maintainers working together to maintain important cookbooks. If you’d like to know more please visit sous-chefs.org or come chat with us on the Chef Community Slack in #sous-chefs.

Requirements

Platforms

  • Debian 9 (10+ does not include mcelog)
  • RHEL based distros 7+

Chef

  • Chef 12.15+

Cookbooks

default - installs and configures mcelog

Attributes

config options

  • default['mcelog']['cpu'] = nil
  • default['mcelog']['cpumhz'] = nil
  • default['mcelog']['filter'] = 'yes'
  • default['mcelog']['dmi'] = 'no'

logging options

  • default['mcelog']['syslog'] = 'yes'
  • default['mcelog']['syslog-error'] = 'yes'
  • default['mcelog']['logfile'] = '/var/log/mcelog' # this can only be used if syslog is not active
  • default['mcelog']['filter-memory-errors'] = 'no'
  • default['mcelog']['raw'] = 'no'

user/group settings

  • default['mcelog']['run-credentials-user'] = 'root'
  • default['mcelog']['run-credentials-group'] = 'root'
  • default['mcelog']['server']['client-user'] = 'root'
  • default['mcelog']['server']['client-group'] = 'root'

dimm monitoring settings

  • default['mcelog']['dimm']['dimm-tracking-enabled'] = 'yes'
  • default['mcelog']['dimm']['dmi-prepopulate'] = 'yes'
  • default['mcelog']['dimm']['uc-error-threshold'] = '1 / 24h'
  • default['mcelog']['dimm']['ce-error-threshold'] = '10 / 24h'

cpu monitoring settings

  • default['mcelog']['socket']['socket-tracking-enabled'] = 'yes'
  • default['mcelog']['socket']['mem-uc-error-threshold'] = '100 / 24h'
  • default['mcelog']['socket']['mem-ce-error-trigger'] = 'socket-memory-error-trigger'
  • default['mcelog']['socket']['mem-ce-error-threshold'] = '100 / 24h'
  • default['mcelog']['socket']['mem-ce-error-log'] = 'yes'

cpu cache settings

  • default['mcelog']['cache']['cache-threshold-trigger'] = 'cache-error-trigger'
  • default['mcelog']['cache']['cache-threshold-log'] = 'yes'

memory page settings

  • default['mcelog']['page']['memory-ce-threshold'] = '10 / 24h'
  • default['mcelog']['page']['memory-ce-log'] = 'yes'
  • default['mcelog']['page']['memory-ce-action'] = 'soft'

trigger settings

  • default['mcelog']['trigger']['children-max'] = 2
  • default['mcelog']['trigger']['directory'] = '/etc/mcelog'

Usage

Apply the default recipe to the node.

Contributors

This project exists thanks to all the people who contribute.

Backers

Thank you to all our backers!

https://opencollective.com/sous-chefs#backers

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