[Nut-upsdev] Asking hard questions about the NUT architecture

Arnaud Quette aquette.dev at gmail.com
Tue May 29 20:53:43 UTC 2007


2007/5/29, Eric S. Raymond <esr at thyrsus.com>:
> ...
> Result:  You can pull the power plug out of the socket repeatedly on a modern
> Linux or Solaris system without risking your data.  UPSes are still useful,
> of course, but they don't really do a cleaner or more reliable job of
> shutdown than the OS itself any more.

you might have missed another (the standard, at least for occident
people like most of us) use case: what the user want is not at first
to shutdown his system, but too have enough battery to support the
power failure without having to shut down! This generally last few
minutes, which is the majority of your considered use case. And the
delay of some 30 sec will allow to hibernate the status.

Going further in the future, NVRAM everywhere...

-- Arno



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