North American Network Operators Group
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Re: "They all suck!" Re: UPS failure modes (was: fire at NAC)

  • From: Dan Hollis
  • Date: Thu May 29 19:21:58 2003 
On Thu, 29 May 2003, Sean Donelan wrote:
> UPSes (and UPS batteries) do fail, sometimes in catastrophic ways.  I
> would not design any critical system on the assumption that any particular
> component won't fail.  High availability is about designing for failure.
> Sometimes there is a long time between failures, other times they occur
> early and often.  The most annoying thing about UPSes is they fail at
> exactly the time they are needed most.

ok, what UPSes do telcos use (besides their monster battery arrays)

-Dan
-- 
[-] Omae no subete no kichi wa ore no mono da. [-]