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Invisible schrieb:
> And - sometimes I don't think people get this - you reach Alpha Proxima
> and radio back to Earth to say "hey, we got here, what next Houstan?"
>
> IT WILL TAKE CENTURIES FOR THE MESSAGE TO REACH EARTH! >_<
Not really. You'll get an answer in just about 8.44 years.
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>> The backup scan ran as an AT job.
>
> I'm assuming you mean it ran at the server to pull files, rather than at
> the client to push files. Might be better to switch that around.
Yeah, that would mean that all the directory scanning would be local
rather than remote. Probably a lot faster that way.
>> Every now and then, there would be a network glitch or somebody would
>> turn off the PC or something, and the script would hang with the
>> network drive still mapped.
>
> Why are you mapping a drive to a letter at all?
Because that's the only way to specify the logon credentials for the
remote system. (Obviously, the server's local system account doesn't
have permission to access files on a remote system.)
>> mapped under the system account which runs AT jobs,
>
> Why? Tell AT to run it as a different user.
There are other AT jobs running, of course...
>> And don't even get me started on how absurdly difficult it is to write
>> DOS scripts that handle failure properly...
>
> That's what robocopy is for.
Not sure how you figure that out, but hey.
Robocopy can't copy a file, it says "I can't copy this file" and exits.
Now the script has to do something about this.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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scott schrieb:
> I wonder how much power you need to transmit with to be heard that far
> away?
>
> I mean isn't the transmitter on Voyager or whatever about to go out of
> range, and that's only just left our own solar system!
Well, the mission was /designed/ to cover the solar system only, so the
transmission system was laid out to fit the bill at the lowest weight
possible.
It wasn't even designed to last that long, and only technological
advancements in receiver technology have made it possible to keep
contact over so many decades.
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scott schrieb:
>> If you look at the emission spectrum of the star and pick a wavelength
>> where there's little or no emission, it could hypothetically work I
>> guess...
>
> "Little or no" emission from a star is probably many orders of magnitude
> bigger than the biggest ever nuclear bomb on Earth though :-)
>
> http://homepages.wmich.edu/~korista/sun-images/solar_specbb.jpg
>
> It may look on there like there is no emission below 100 nm or whatever,
> but in proportion there is still an almighty amount of x-ray and gamma
> emission from a star. Standing out above this "noise" is going to be hard.
Note that the emission of a star is a constant signal to a good degree,
which probably helps.
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On Wed, 11 Nov 2009 19:21:17 +0000, Orchid XP v8 wrote:
>> Well, it would be file-level backups. I don't know how Exchange stores
>> its mailboxes.
>
> In a giant database file. (It wouldn't surprise me if it's a JET
> database...)
I believe this is correct; I'd heard at one point that AD was based on
JET and also derived from Exchange (most directory services are at some
point derived from technology in mail systems - Novell's eDir product
uses the same database engine that GroupWise does, and GW has used
versions of that going back to WordPerfect Office).
Jim
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On Wed, 11 Nov 2009 08:44:02 -0800, Darren New wrote:
> No. I'm saying if the file is open, and you're trying to back it up
> while it's changing, you're going to have problems with consistency.
OIC, yeah, that's true. It's a pretty small window of opportunity in
most cases, but yes, that circumstance could happen.
Jim
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On Wed, 11 Nov 2009 09:59:33 +0000, Invisible wrote:
> The bank
> isn't going to let you stop paying the morgage just because your house
> burned to the ground.
That's what insurance is for.
Jim
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On Wed, 11 Nov 2009 16:35:20 +0000, Invisible wrote:
> 2. House prices appear to start at around £300,000 or so. The very best,
> most unobtainable jobs pay £30,000/year. That's a pretty friggin huge
> gap.
Mortgages tend to be amortized over a 15 or 30 year period, at least over
here. Ours is about $1500/month.
Jim
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On Wed, 11 Nov 2009 10:19:51 +0000, Invisible wrote:
> Sure. But I also know that an insurance company's job is to not pay out
> under any circumstances whatsoever. Their entire business model is based
> on preventing customers getting the money they're due. The fact that
> insurance companies are all doing so well indicates that they must have
> got very, very good at this.
That doesn't mean that they never pay out, though. In cases of
catastropic events, they're required by law to pay out.
If they never paid out, then people wouldn't buy insurance.
Jim
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On Wed, 11 Nov 2009 16:36:38 +0000, Invisible wrote:
>>> There is apparently something wrong with my brain. When I come home
>>> from a dance class absolutely dripping with sweat and gasping for
>>> breath, I find myself thinking "yeah, that was a really great
>>> evening". It's like I *enjoy* hurting myself. o_O
>>
>> Indeed.
>
> But, dude... that doesn't even MAKE SENSE! >_<
Sure it does - a good workout causes adrenaline to start flowing, and
adrenaline produces a euphoric effect.
Jim
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