"They all suck!" Re: UPS failure modes (was: fire at NAC)

Alex Rubenstein alex at nac.net
Thu May 29 23:43:35 UTC 2003


It's not crazy, it's just not reasonable.

What I mean, of course, is that in a collocation model, where you have
customers bringing in computers, it is not reasonable to mandate that they
use DC power. You'd have no customers. Which, in turn, may be a benefit,
since you wouldn't need the power system in the first place.




On Thu, 29 May 2003, Dan Armstrong wrote:

>
> I agree, of course it is ludicrous to think otherwise.
>
> It has always bothered me that we rectify AC power to store it in
> batteries, then
> re-invert it to power AC servers only for them to rectify it again....
>
> Dan.
>
>
> "Tom (UnitedLayer)" wrote:
>
> > > Or we could all take a page from the book of telecom, and run with DC systems.
> >
> > It'd be nice to be able to tell our customers:
> > "Oh hey, you can only use DC power supplies, so you'll need to change out
> > all of the power supplies in your 1U's, Sun Boxes/etc"
> >
> > Yes, I have run an installation of servers that were all DC, and it was
> > neat, but hardwiring everything was not an exciting task. It was also hard
> > to find people who were experienced with DC. Most sysadmins have never
> > worked with DC, and the process of pulling a fuse, unscrewing some
> > terminals/etc/etc before working on gear isn't always remembered.
> >
> > > If only the equipment manufacturers would stop gauging on price for
> > > DC equipment/power supplies.
> >
> > Amen!
> > You'd think there might actually be less components in the things :)
>

-- Alex Rubenstein, AR97, K2AHR, alex at nac.net, latency, Al Reuben --
--    Net Access Corporation, 800-NET-ME-36, http://www.nac.net   --





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