mcelog Cookbook

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

Requirements

• Ubuntu 10.04/12.04
• RHEL based system

Attributes

platform specific attributes (auto set)

• default['mcelog']['conf_dir'] = '/etc'
• default['mcelog']['service_name'] = 'mcelogd'

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 to the node

License and Author

Author:: Tim Smith - Limelight Networks, Inc. (tsmith@limelight.com)

Copyright:: 2013-2014, Limelight Networks, Inc.

License:: Apache 2.0