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"Optimal" way to partition HDDs
c0nc0n 
17/6/08 7:52:12 PM
Champion

Hey all,

Just had a thought come to me... Since bigger HDDs are just something like 160GB platers times 3, is it possible to split it right on those platters so that you theoretically have 3 same fast speed HDDs just because you've split them in the right place? Or maybe have equal access to the SATA 1/2 thus you can actually not impact multiple copy/paste file actions?

Just a thought,
c0nc0n

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iain671 
17/6/08 7:59:11 PM
Guru

Effectively, no.

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c0nc0n 
17/6/08 8:02:46 PM
Champion

Damn. And I thought I had made the brainwave of the century. Can you explain why?

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iain671 
17/6/08 8:10:19 PM
Guru

Because drives aren't set out the way you think they are.

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bowiee 
17/6/08 8:11:10 PM
Hero
Guru


Off the top of my head I would say it is because formatting software or windows looks at the hdd as a whole not platter by platter.

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bilious 
17/6/08 8:13:10 PM
Journeyman

Generally the heads are locked into synch so there is no benefit there. There was a past question along the same vein of placing a partition near the "edge". The problem is that it's hard to predict and even harder to hit and unlikely to do anything anyway. Not much point wasting your time.

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c0nc0n 
17/6/08 8:47:24 PM
Champion

Aiight, I'll let this one just slide lol, I was like hey, free performance?

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eckythump 
18/6/08 3:16:52 AM
Overlord

Your data is also evenly spread across the platters, and this is at a low level, be it bits, bytes, or sectors I'm not sure, but small enough that if one platter gets damaged, then half the data that makes up all your files is gone.

It's a quaint idea, though. I'm sure we'd all love buying a 3 platter HDD, making 3 even sized partitions and then RAID-0'ing them. But alas, it's not to be (and if it was possible, drive manufacturers would include similar smarts in their controller boards for the drive, because you can absolutely guarantee they'd sell a fucking truckload if they had a drive that did that out of the box.)

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drago13666 
22/6/08 2:03:36 PM
Titan

yeah what the others said, if you could do it in one drive there would be no need for raid 0.

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iamthemaxx 
22/6/08 2:32:04 PM
Mod
SuperHero

Immortal


Quote by drago13666
yeah what the others said, if you could do it in one drive there would be no need for raid 0.



Unless the drive unit failed :p

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drago13666 
23/6/08 4:09:05 PM
Titan

Quote by iamthemaxx
Quote by drago13666
yeah what the others said, if you could do it in one drive there would be no need for raid 0.



Unless the drive unit failed :p



well you could argue if a hard disk could move each head for each platter independantly then it could be possible for one platter to fail while being able to still use the other, this would be the same as having one drive fail in a raid array no?

The failer chanese in cases like that would be debatable. In one hand you have a shared controller so if you loose that your screwed. On the other you have more points of possible failure.

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"while tibetan monks prey for two weeks befor their mandalas to transform them into 3-dimentional floating palaces of light, with virtual reality one only need to press a button..."

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ShiroKage 
24/6/08 9:33:13 PM
Charge

i asked this question a few months ago. i win brainwave of the century!

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wilsontc 
28/6/08 11:01:58 PM
Guru

The best way to partition is to use ZFS!!

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.nate. 
30/7/08 7:09:27 PM
Primarch

cool idea tho, maybe in the future

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SyKRyD 
6/8/08 1:43:48 PM
Serf
it's all redundant if/when solid state hdds become the norm right?

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stadl 
6/8/08 6:11:26 PM
SuperHero
Titan


Quote by eckythump
Your data is also evenly spread across the platters, and this is at a low level, be it bits, bytes, or sectors I'm not sure, but small enough that if one platter gets damaged, then half the data that makes up all your files is gone.

It's a quaint idea, though. I'm sure we'd all love buying a 3 platter HDD, making 3 even sized partitions and then RAID-0'ing them. But alas, it's not to be (and if it was possible, drive manufacturers would include similar smarts in their controller boards for the drive, because you can absolutely guarantee they'd sell a fucking truckload if they had a drive that did that out of the box.)



But that very RAID 0 you'd like do is replicating what the current drive is already doing by spreading your data across the 3 platters.

So net gain is zero - probably less because an off drive controller would be less efficient.

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c0nc0n 
9/8/08 9:38:11 PM
Champion

Why the revival of thread???

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