Chapter 20. Time Parameters
Chapter 20. Time Parameters You can modify the time synchronization service with time parameters. Parameter Description ChronyAclRules Access Control List of NTP clients. By default no clients are permitted. The default value is ['deny all'] . ChronyGlobalPoolOptions Default pool options for the configured NTP pools in chrony.conf. If this is specified, NtpIburstEnable, MaxPoll, and MinPoll are ignored. ChronyGlobalServerOptions Default server options for the configured NTP servers in chrony.conf. If this is specified, NtpIburstEnable, MaxPoll, and MinPoll are ignored. EnablePackageInstall Set to true to enable package installation at deploy time. The default value is false . MaxPoll Specify maximum poll interval of upstream servers for NTP messages, in seconds to the power of two. Allowed values are 4 to 17. The default value is 10 . MinPoll Specify minimum poll interval of upstream servers for NTP messages, in seconds to the power of two. The minimum poll interval defaults to 6 (64 s). Allowed values are 4 to 17. The default value is 6 . NtpIburstEnable Specifies whether to enable the iburst option for every NTP peer. If iburst is enabled, when the NTP server is unreachable NTP will send a burst of eight packages instead of one. This is designed to speed up the initial syncrhonization. The default value is True . NtpPool NTP pool list. Defaults to [], so only NtpServer is used by default. NtpServer NTP servers list. The default value is ['0.pool.ntp.org', '1.pool.ntp.org', '2.pool.ntp.org', '3.pool.ntp.org'] . TimeZone The timezone to be set on the overcloud. The default value is UTC .