Text 3052, 55 rader
Skriven 2005-03-10 03:34:48 av Ellen K. (1:379/45)
Ärende: Re: The server, the editor, the optimist and the power supply
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From: Ellen K. <72322.1016@compuserve.com>

That was another thing I was wondering, does the amount of activity being done
by the things plugged into the UPS or surge protector have some kind of back
effect on it?

On Thu, 10 Mar 2005 08:45:43 GMT, John Beckett
<FirstnameSurname@compuserve.com.omit> wrote in message
<423003e7.1198563@216.144.1.254>:

>Don't try this at home. I thought I would do a bit of spring cleaning on a
>server where I store my stuff. It does a little bit of file sharing for
>others, but not much. It has probably never broken 10% CPU usage for more
>than a few seconds.
>
>Anyway, I came across an old log file from the MS-Blaster worm days. It's
>actually output from Network Monitor with a one-line packet summary for
>all the ICMP worm packets we received in a few hours ages ago.
>
>The file is 455M bytes of Unicode text. I was in a terminal services
>window from a workstation.In the last few weeks I've been using Vim - a
>very extended version of the Unix vi editor (I'm running Vim on Windows).
>
>The thought  "What a great opportunity to test Vim!" went to my head. I
>opened the file in Vim. I know you're supposed to turn off Vim's swapfile
>and syntax highlighting etc before opening a big file, but that seemed
>like a lot of trouble...
>
>I was pleasantly surprised when the file appeared two minutes later. 1.6
>million lines of Unicode text. Very fast once opened - not bad!
>
>Every second line in the file is a row of asterisks and I had recently
>learned how to delete all lines matching a given pattern. I hesitated,
>then thought that it really didn't matter, so I typed the magic command:
>
>:g/\*\*\*/d
>
>One minute passed without too much drama. I could open Task Manager (just)
>and notice the 100% CPU and the tight memory (455MB file with 512MB RAM).
>
>Three minutes later my terminal service session died and I could no longer
>ping the server. I waled to the server and found the power off. I couldn't
>turn it back on. A friendly technician found that the power supply fuse
>was pulverised. A new power supply got the server up and running with no
>damage.
>
>I'm not normally superstitions, but I'm thinking that a border-line power
>supply just might be taken over the edge by a CPU working hard for a few
>minutes (extra amp or two of current??). Maybe something passed out and a
>crowbar protection mechanism blew the fuse??
>
>John

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