Date: Wed, 10 Mar 2010 10:40:54 -0800 From: Gary Kline <kline@thought.org> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org>, Al Plant <noc@hdk5.net> Subject: Re: "tao" suddenly died Message-ID: <20100310184054.GA65190@thought.org> In-Reply-To: <4B9748F2.6060707@infracaninophile.co.uk> References: <20100309191916.GA55827@thought.org> <4B96E3CA.7050906@hdk5.net> <20100310033452.GA2223@thought.org> <4B9748F2.6060707@infracaninophile.co.uk>
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On Wed, Mar 10, 2010 at 07:23:30AM +0000, Matthew Seaman wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 10/03/2010 03:34:52, Gary Kline wrote: > > Well, long-story-short, the most unepect thing happened: a > > power surge. I did not realize that my printer was also off > > until hours later. A friend helped me trace the problem and > > reset my surgge-protector. ---It is worth noting that BEFORE > > I got my battery [UPS], when things were dead or suddenly > > went dead, i knew right away to check the surge-protector. > > Uh -- if you have a UPS, why are you using a surge protector as well? > The function of a UPS is to condition your power supply. It puts > out clean 110/220V 50/60Hz power (depending on where you live) > irrespective of what it is getting from the mains. That is, the UPS > also does all the surge protection function itself. Not only that, it > should cope with surges by absorbing them, rather than blowing a circuit > breaker, so it carries on running after the surge is over. > > Admittedly some UPS designs are better than others -- inline UPSes are > the best, but tend to be more expensive. These work by converting the > input to DC and then converting back to AC. Cheaper UPSes monitor the > characteristics of the incoming current and switch to battery power if > it is out of specification, which is not really failsafe. > > Also, didn't your UPS sound the alarm? They are normally too loud to > ignore easily. > (This is all new to me, first, and I do not have everything plugged into the UPS, second. I don't have the unit fully configured [via X11] so want to keep the load as light as possible. ) The unit is an APC manufacture; should be closer to the top of the line -- that's just my guess. What happened yesterday morning was that my DNS and firewall, router and widescreen kept on working ... :-D Now it's time for me to finish the task on upgrading and maintenance. Trying to decide whether to build another home-brew computer or buy one off the shelf. gary > Cheers, > > Matthew > > - -- > Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard > Flat 3 > PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate > Kent, CT11 9PW > -----BEGIN PGP SIGNATURE----- > Version: GnuPG/MacGPG2 v2.0.14 (Darwin) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAkuXSPIACgkQ8Mjk52CukIwEOwCfWQN0avDyhhKwrP9THpWkd4Na > 5i0Ani14kuI9kYx2RF9x5gOJf/Khcb+I > =32IO > -----END PGP SIGNATURE----- -- Gary Kline kline@thought.org http://www.thought.org Public Service Unix
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