> On 30/06/2016, at 20:30, Martin Schröder <mar...@oneiros.de> wrote: > > 2016-06-30 21:24 GMT+02:00 Leonardo Santagostini <lsantagost...@gmail.com>: >> 1) Is there some calculus for making those ntp boxes efficient in terms of >> not overstate (sorry, but english is not my mothers tongue) or right size >> the hardware. > > A Rasberry Pi would suffice (but it's not supported by OpenBSD). > Any old server you have lying around will be more than enough.
Not too old, though. I've had problems with clocks in aging hardware (e.g. a Pentium II machine about 5 years ago) starting to drift so bad that not even NTP could keep them in sync. That being said, prices drop fast enough so that you can find fairly recent machines at very low prices. > >> 2) Im wondering also to set up this boxes virtualized using KVM. I know >> that using RTC its a really pain in the ass, but maybe you can give me some >> advice for this config. > > Don't virtualize your ntp servers. > > Best > Martin
