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From: Leonid Krivoshein <klark.devel@gmail.com>
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Subject: Re: [devel] Q: trustworhtiness of chrony
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14.08.2018 16:35, Vitaly Kuznetsov пишет:
> [...] Насколько я понимаю, сборочнице не так важно быть
> синхронизованной с внешним миром, гораздо важнее ей быть
> синхронизованной с самой собой. Для этих целей существует, к примеру,
> [...]

ntpd умеет синхронизировать с чем угодно, с самим собой (RTC), с 
партнёрами по кластеру.

server 127.127.1.2
fudge 127.127.1.2 stratum 1
peer 192.168.1.2
peer 192.168.1.3
...

Первый IP -- захардкоренный в сервере, синхронизация с внутренними часами.


-- 
Best regards,
Leonid Krivoshein.