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Hard Drive question once they show a red bar


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#1 Andy39

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Posted 29 February 2016 - 05:24 PM

Hi everyone and apologies if this is the wrong forum to post this question. I wanted to ask if anyone can tell me whether it is safe to continue saving to a hard drive once it has gone red? I am fed up with having so many hard drives that never hold the amount of data they are supposed to, a 4TB drive only actually gives 3.63TB but then to make matters worse once it gets down to 364GB free space it shows red which I've always taken to mean that at this point it is full and I shouldn't add more, so really a 4TB is nearer to a 3TB drive (this has to be one of the biggest rip off scams going and shouldn't really be legal, but that's another thread). Anyway, I have a dozen 4TB drives accumulated now that are all showing red (mostly with films on and everything duplicated for back-up purpose so 6 drives are identical to the other 6) but I am reluctant to keep buying more and just wanted to know if it is ok or not to keep adding more once they show red? Can I continue saving beyond the 364GB free space all the way to 0GB free space, will this cause a problem or is it safe to do so? Just seems such a waste having so much free space that can't be used.



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#2 Platypus

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Posted 29 February 2016 - 06:01 PM

Can I continue saving beyond the 364GB free space all the way to 0GB free space


Yes. The red indication from Explorer is just an alert that the drive is becoming full. On a system drive, being close to full could lead to performance reduction, stability problems if the volume is small and there was insufficient room to do something like expand the pagefile, and defragmentation can be very slow or unable to operate. So it's a hint to delete or relocate unnecessary files, and is mainly applicable to the partition the OS resides on. If that partition is large and there's actually tens or hundreds of gigabytes free as you've mentioned, the warning is a bit premature, but suggests the partition may be unmanageably large for an OS partition.

For a storage drive where defrag isn't really necessary and becoming full will just cause a single copy to fail, using the drive into "red" status isn't going to create any problem other than eventually running out of space.

Edited by Platypus, 29 February 2016 - 06:09 PM.

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#3 Agouti

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Posted 29 February 2016 - 06:19 PM

I am fed up with having so many hard drives that never hold the amount of data they are supposed to, a 4TB drive only actually gives 3.63TB but then to make matters worse once it gets down to 364GB free space it shows red which I've always taken to mean that at this point it is full and I shouldn't add more, so really a 4TB is nearer to a 3TB drive (this has to be one of the biggest rip off scams going and shouldn't really be legal, but that's another thread).

Read this... http://www.ussscctv.com/hdccalc.html



#4 Andy39

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Posted 29 February 2016 - 07:14 PM

Thank you Platypus. My OS is on an SSD that has plenty of free space as I don't ever save anything to that as I was aware that I needed space there for smooth running, so it's just my additional drives and externals that are showing the red bar. Good to know that I can continue saving to these, I now don't need to make the decision just yet between deleting some films or buying more drives.

 

Thanks for the link Agouti.

Since consumers don't think in base 2 mathematics, manufacturers decided to rate most drive capacities based on the standard base 10 numbers we are all familiar with.

 

That's their story and they're sticking to it, lol. They'd never admit to duping consumers. A bit like Cadburys constantly reducing the size of their chocolate bars (we'll soon be paying for just a wrapper if it continues) and claiming it's for consumers benefit to reduce calories,



#5 Platypus

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Posted 29 February 2016 - 07:54 PM

That's their story and they're sticking to it


It's actually correct, with regard to the power of 2 and power of 10 distinction. The original "kilobyte" being 1024 bytes, as a binary value, gave a bonus extra that everybody got used to getting. But despite the usage convention, "kilo" means 1000, not 1024. In the same way that no-one is disadvantaged by getting 1000 metres in their kilometre rather than 1024, no-one is losing anything in the use of the more accurate definition for hard drive capacity. It's just that it doesn't provide the extra capacity on top that came along for the ride previously with the inconsistent usage of "kilo" (and consequently multiples like "mega").


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