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The data center light time synchronisation¶
Architecture¶
- We use 3 nodes per data center that use 2.pool.ntp.org (this pool is IPv6 enabled) as a source
- Usually this is based on APUs
- All other nodes use ntp.placeX.ungleich.ch as a time source
- All nodes have chronyd installed and running
- ntp seems to be unreliable
- ntpdate does not exist in alpine linux
- chrony exists on alpine/debian/devuan/ubuntu
Due to network firewalls, ntp.placeX.ungleich.ch is only reachable from the server network and not for public usage.
Configuration¶
- We use the __dcl_ntp cdist type
Updated by Nico Schottelius over 3 years ago · 1 revisions