RE: Re: APC UPS shutdown of HA and other servers?

["Paul Gale" <groups@xxxxxxxxxxxxxxxx>]

Surely it's best to let the software shutdown cleanly after the UPS
battery is nearly exhausted rather than just letting the power die (even if
write caching is disabled)? Oh, and I have Exchange server running too.

Paul.



> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
> David Chapman
> Sent: 29 August 2006 23:49
> To: ukha_d@xxxxxxx
> Subject: [ukha_d] Re: APC UPS shutdown of HA and other servers?
>
> AutomatedHome UK DiscussionI always advise customers not to do it. You
get
> the best uptime figures if it is not connected. The APC Powerchute
> software is flakey and not as secure as it should be, even the simple
> built in software in 2K3 has it's moments, especially if the power
bounces
> rather than just goes off.
>
> Most powercuts are less than 30 minutes and most UPSs run for longer
than
> that - also Windows 2003 just about always comes up clean after a
power
> off - if you disable write caching on the disks then it is even less
> likely you will ever have a problem.
>
> At home I have a large UPS that runs everything for about an hour and
on
> the very rare occasions that there is a longer power cut then I have a
> small generator with a smooth output which works well at topping up
the
> UPS.
>
> David C
>
>
>
> [Non-text portions of this message have been removed]
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