diff options
| author | Steve Huff <shuff@vecna.org> | 2012-05-15 16:00:36 -0400 |
|---|---|---|
| committer | Steve Huff <shuff@vecna.org> | 2012-05-15 16:00:36 -0400 |
| commit | aa336b4e8fcfc5a9d4ee2acb834d4a5b268f6fcf (patch) | |
| tree | 24ef5c1e87e1dc21f2a0f5a39fbc455f103f9e6b | |
| parent | dca7b9094b9410964f99a88b8878509467adf182 (diff) | |
(#14497) Add tinker_panic option for ntpd
Automatically sets tinker_panic 0 when $is_virtual is true. This
configuration enables ntpd to cope with large clock skews, such as occur
when a VM guest is suspended and resumed.
More information is available here:
http://www.vmware.com/pdf/vmware_timekeeping.pdf
| -rw-r--r-- | templates/ntp.conf.debian.erb | 6 | ||||
| -rw-r--r-- | templates/ntp.conf.el.erb | 6 | ||||
| -rw-r--r-- | templates/ntp.conf.freebsd.erb | 7 |
3 files changed, 19 insertions, 0 deletions
diff --git a/templates/ntp.conf.debian.erb b/templates/ntp.conf.debian.erb index 77da814..0525d00 100644 --- a/templates/ntp.conf.debian.erb +++ b/templates/ntp.conf.debian.erb @@ -1,5 +1,11 @@ # /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help +<% if @is_virtual -%> +# Keep ntpd from panicking in the event of a large clock skew +# when a VM guest is suspended and resumed. +tinker panic 0 + +<% end -%> driftfile /var/lib/ntp/ntp.drift diff --git a/templates/ntp.conf.el.erb b/templates/ntp.conf.el.erb index fc308cc..88d6d72 100644 --- a/templates/ntp.conf.el.erb +++ b/templates/ntp.conf.el.erb @@ -1,3 +1,9 @@ +<% if @is_virtual -%> +# Keep ntpd from panicking in the event of a large clock skew +# when a VM guest is suspended and resumed. +tinker panic 0 + +<% end -%> # Permit time synchronization with our time source, but do not # permit the source to query or modify the service on this system. restrict default kod nomodify notrap nopeer noquery diff --git a/templates/ntp.conf.freebsd.erb b/templates/ntp.conf.freebsd.erb index da3df1d..954a2a8 100644 --- a/templates/ntp.conf.freebsd.erb +++ b/templates/ntp.conf.freebsd.erb @@ -18,6 +18,13 @@ # The option `maxpoll 9' is used to prevent PLL/FLL flipping on FreeBSD. # # Managed by puppet class { "ntp": servers => [ ... ] } +<% if @is_virtual -%> + +# Keep ntpd from panicking in the event of a large clock skew +# when a VM guest is suspended and resumed. +tinker panic 0 + +<% end -%> <% [servers_real].flatten.each do |server| -%> server <%= server %> <% end -%> |