eftychia: Me in kilt and poofy shirt, facing away, playing acoustic guitar behind head (Default)
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posted by [personal profile] eftychia at 08:04pm on 2005-12-12 under ,

Actually, I need several. *sigh* Having the power go out a couple of times a year is a pain, but ultimately something that cn be dealt with as long as no computers die as a result. But now it's been something like three days in the past month and a half that I've lost power here. This time the Debian box came back but the Windows NT machine is hosed. (It gets as far as probing the Plug-and-Pray devices then reboots from scratch, in an endless loop. If I yank the Soundblaster, it gets as far as telling me what's on the PCI bus -- the stage just after counting its RAM -- and hangs there, never accessing the hard disk.) And there went my afternoon, especially since the third time the power went out it had been on long enough to fool me into thinking it was on for good, and failed when I was two thirds of the way through running fsck on the big disk in the file server. Argh.

Even without seeing whether a lamp or space heater is on, you can tell whether the electricity is running here just by sound (unless it's during the wee hours) because automobile traffic through the intersection near my house sounds very different when the traffic signal there is dark.

I did take advantage of the downtime to swap out the big hub and replace it with the switch. But my filesystems weren't happy on restart, since I was in the middle of doing five different things at once on three different computers (not counting the file server that they were all connected to) when the power failed the first time.

Colour me frustrated and annoyed. And finally, very very tired.


Something I was about to write about hours ago, before the electricity went off, was watching pedestrians around midday. The snow on ... Friday? ... didn't seem like much, and was neither deep enough to be noteworthy nor even as much work to shovel as it looked like. It didn't even really look like it was worth the bother to shovel, being so minor. But here it is Monday, and that snow has turned to uneven ice. On my side of the street, four houses in the whole block have clear sidewalks. What makes this feel like it matters is that I was watching people negotiating the sidewalk earlier, and observing how drastically their gaits change when the step onto the clear patch in front of my house and then off it again; even the parts that look like just stale, packed snow are pretty treacherous ice. Folks'd be better off crossing to the sunny side of the street, where even what wasn't cleared has largely melted.

Part of the problem is the number of vacant houses. But not all of the houses with nasty ice in front of them are vacant.

There are 9 comments on this entry. (Reply.)
 
posted by [identity profile] donnad.livejournal.com at 01:38am on 2005-12-13
When it snows we have the problem with areas that are cleared turning to black ice at night when the temperatures drop. Snow melt runoff runs right across our driveway and the driveway doesn't dry during the day so it becomes a skating rink in the dark. Sometimes it's safer to leave the icy snow patches, at least you can see where it's actually slippery.
 
posted by [identity profile] dglenn.livejournal.com at 07:49am on 2005-12-13
Ah ... Yah, I've observed that phenomenon before. Nasty. But not something that usually happens on my block (because of which way things slope and the limits on where snow can pile up, I guess) -- when I've seen it at all here it's been a stripe a few inches wide, easy to step over if you can see it; and my block is well lit (enough so to make it easy to forget to turn on one's headlights at 2AM, and the sidewalks are as brightly lit as the street), making the shiny patches easy to see on the rare occasions when a thin layer of melt freezes like that.

So I agree that in some places it is safer to leave the snow there, and have seen such, but that's not the case here. (Also, it's not going to get too cold for salt to keep thin layers from freezing for a while yet down here.) The sections that have been cleared are dry. (Actually, what you described is more likely to be a problem over on the sunny side of the street, now that I stop to think of where I've seen those shiny patches nearby.)

BTW, I never used to think much of using salt until I moved into Baltimore, but ice formation patterns in the city seem different than in the suburbs. The likely nasty surprises here are footprints made before you get out there with the shovel, making stuck-to-the-pavement spots that Really Don't Want To Come Up with the shovel (and are sometimes too thin for whacking them with the end of a heavy pole to work). Small enough to be easily overlooked, and usually not shiny, but slick; land a foot just wrong ... between those and freezing rain / sleet, and of course stone front steps, salt seems pretty important here.
 
posted by [identity profile] donnad.livejournal.com at 12:21pm on 2005-12-13
One of the problems with using rocksalt on the driveway is that the water running across the driveway washes it away before it can do any good. And you really do need that water for it to work properly. Once it starts to melt the ice, the water just runs off taking the rest of the salt with it.
 
posted by [identity profile] jim-p.livejournal.com at 03:40am on 2005-12-13
Can you at least boot Knoppix on the NT box and salvage what files you can, then reinstall?

 
posted by [identity profile] dglenn.livejournal.com at 07:34am on 2005-12-13
Nope. It pings the CD drive during POST (and displays a message saying that it found one) but never spins it. The reboot happens before it gets that far. The floppy LED never comes on at all. Unless pulling out all the boards & RAM and reseating them fixes this, I may need to do a hard disk transplant. Feh.

I mean, the box could use a speed upgrade, but I had other tasks in mind for the faster machines in the pipeline. Argh.
 
posted by [identity profile] old-hedwig.livejournal.com at 02:02pm on 2005-12-13
If I shovel the sidewalk in front of my house earl;y in the day, the sun dries it off. If I can't get to it until late afternoon I leave it snow covered until the next morning to avoid ice patches. You are certainly correct that even an inch of melted/refrozen snow can be very dangerous to walk on, and a nuisance to push a stroller. People end up walking in the street, which scares me when I'm driving. I wish laws requiring walks be cleared were enforced.
 
posted by [identity profile] cyan-blue.livejournal.com at 05:24pm on 2005-12-13
Did I ever tell you about the time that I was playing 20 Questions with the computer, and the word I had in mind was "menorah?" After pondering carefully, it proudly came up with "uninterruptable power supply" as the answer, which was almost poetic given the story of Hanukkah :-)
 
posted by [identity profile] dglenn.livejournal.com at 08:18pm on 2005-12-13
You did, but I'm glad you reminded me. That's perfect.
cz_unit: (Default)
posted by [personal profile] cz_unit at 02:30pm on 2005-12-28
For fixing the snow problem you might want to try this:



CZ

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