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clipka wrote:
> Orchid XP v8 schrieb:
>
>> Now, the *properly designed* products allow you to select some other
>> destination with no ill effects. But all those other programs? Some of
>> them won't let you choose at all. Others will let you choose, but
>> never the less fail if you choose somewhere different. (WTF?)
>
> Not seen many such ailments any time recently.
I've seen quite a few programs (mostly stuff ported from Unix, oddly
enough) which don't like spaces in pathnames.
Wanna take a guess what the customary place to install programs is?
Yeah, it's C:\Program Files.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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Darren New wrote:
> Invisible wrote:
>> Ah yes, but under Windoze all programs insist on being installed on C:
>> ;-)
>
> Everything I have installed in programs or windows fits in 40G. And that
> includes bunches of .NET, office, photo programs, etc etc etc.
Does that include Team Fortress 2, HalfLife 2, Counter-Strike: Source,
Portal, Crysis, Crysis: Warhead, and Mass Effect?
Each individual game typically eats about 4GB or so...
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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>> It always amuses me how film writers seem to think that turning an
>> electronic device off makes it immune to an EMP... I thought the idea
>> was that an EMP will physically fry the thing like a microwave oven
>> fries CDs. :-P
>
> I've got it that way too. No matter if you turn it off, the level of
> magnetic pulse coming in from say, a megaton nuclear blast will anyway
> induce such a level of current in almost any conductor in range that it
> will start carrying hundreds, if not thousands of volts?
Interesting thing: According to Wikipedia [which is never wrong], a
nuclear explosion only generates an EMP because of the Earth's magnetic
field. Like, if it was in space, it wouldn't do that...
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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Stefan Viljoen wrote:
> Hmm, yes, but I've often wondered if there -really- is a difference between
> "desktop hardware" and "server hardware" - and that maybe they are designed
> for different MTBF? I. e. a "server grade" HDD will last longer if not
> regularly turned on and off, while a "desktop grade" HDD will die quicker
> if never turned off?
From what I've seen, server-grade HDs tend to spin faster, have bigger
caches, and have drastically lower storage capacity. (Like, they still
sell 36GB drives. For hundreds of pounds each.) Presumably such a drive
is a well-tested previous generation drive with the internal storage
redundancy cranked way, way up...
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>> This is not the same as a backup.
>>
>> RAID will protect you from physical failure of a single drive. It will
>> not protect you if you accidentally delete a file, or if some virus
>> infects your PC and deletes your stuff, or if the filesystem becomes
>> corrupted somehow, or...
>
> It depends a lot on what you're trying to protect yourself from.
Yes, yes it does.
For the average home user, if your house burns down, you're not going to
give a **** about the holiday photos and the copy of Nero you just lost
- YOU HAVE NOWHERE TO LIVE!! But for a business user, losing the
building is nothing; you can *buy* another one. But losing data = you
will be liquidated.
> There's
> nothing, though, that says you can't create a mirrored set, let the
> drives mirror, and then "break the mirror" and take one drive offline.
> I've known people who have done that and used that for disaster recovery
> when upgrading systems.
This is a very, very dumb way to do backup. A file-level copy will be
drastically faster. (It doesn't involve mirroring all the useless empty
sectors.) IME, mirroring a disk typically takes something like 10 hours,
regardless of capacity. (Lower-capacity drives are usually
correspondingly slower too.)
Also, if you do a file-level copy, you have options such as compressing
the data and putting multiple backups on a single backup harddisk, doing
differential or otherwise partial backups, and so forth.
>> An often-encountered backup strategy is to copy everything onto an
>> external USB HD and then put that somewhere. I'm not sure that all this
>> turning the drive on and off won't just wear it out faster.
>
> See my anecdotal evidence in reply to Stefan. Two identical units, one
> powered on and off regularly, one that was left on 24x7. Guess which one
> failed? Not the one that has been turned on and off regularly for 5
> years now. The one that was plugged in and running for 3 years solid.
In theory, until the disks are spinning at full speed, you don't get
that "cushion of air" for the heads to "fly" on, which should result in
wear. Of course, no doubt manufacturers know all about this and have
come up with ways to at least reduce the problem...
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>> Wait - your garage door can open by itself?
>>
>> Man, if we want to open ours, we have to use *muscle power*. ;-)
>
> Hey, that's the U.S. of A. - they don't use muscle power for /anything/,
> unless they happen to be football pros...
I thought baseball was the national game of America?
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clipka wrote:
> Tim Cook schrieb:
>
>> Like I maybe mentioned, it's an eSATA, so has a totally different
>> connection and can't test it in desktop of housemate.
>
> Nobody in reach with eSATA on their machine? Neighbors? Friends? Work
> colleagues?
No chance of buying an adaptor?
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>> I don't know, man... Backing up spinning disk to... spinning disk? Is
>> that such a sensible idea?
>
> Why not? It's a backup. It's not like you can read a tape without
> spinning it. What are you going to back it up to, FLASH RAM?
Tape operates at much lower speeds. And since the only people who use
tape are people who want seriously reliable backup storage, it tends to
be very well engineered. (And stupidly expensive...)
>> (Then again, I don't have any hard data on the reliability of HD
>> verses tape verses CD. I've heard that spinning HD up and down wears
>> it out faster than keeping it spinning, but I don't know if that's
>> true...)
>
> And by the time you actually have to worry about that, those drives will
> be your temp drives and you'll be buying 15TB SSDs for the next computer.
Heh. Dream on. ;-)
Harddrives do die occasionally. It's quite rare, but it does happen from
time to time. Either you accept the resulting data loss, or you take a
backup copy.
Myself, I don't have any backup copies because I can't think of anything
nearly big enough to backup to...
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>> Well said - guess there isn't a convenient modality for backing up
>> 500GB of
>> data?
>
> Yes, there is. Buy two. :-) I don't know about elsewhere in the
> world, but 2 1-TB drives would run you <$400 here.
Let me go check the exchange rate...
...yep, that's about £240, *way* more money than I can afford to spend.
(Then again, I don't have anywhere approaching 1TB of data to store.)
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>> ...yeah, shopping online tends to be cheaper. Quality is another matter,
>> of course.
>
> Buy from reputable dealers, and quality isn't an issue.
I don't mean to imply that quality is *necessarily* an issue, just that
it *can* be more of an issue. As you say, it depends who you buy from.
I often buy from Maplin because 1) I don't have to wait for it to be
delivered, 2) their staff actually have a frickin clue, and 3) they
don't argue about returns.
Then again, ebuyer.com are usually very good, so...
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