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Would this work?

M

MTB2Live Live4Comps

[H]ard|Gawd
Joined
Dec 27, 2002
Messages
1,968
I don't know much at all about how the innards of hard drives operate, but I do know there are 2 or 3 platters in them. So, would it be possible to use the three platters and make a raid5 or raid0 array out of them? I'm talking on the hardware level, so that each platter is treated as if it's it's own hard drive. With the increasing speeds of SATA I wonder if it might even be possible to use the CPU to do all the raid work. I heavily doubt it's possible to achieve that at an enthusiast level and would rather need to be implemented by one of the companies. But to me it seemed like a decent idea to increase speed and security, while keeping capacity quite large.

Anybody who knows more who'd like to further explain I'd be greatful!
 
well if the drive died, then the whole array would be down for good anyhow
interesting idea though
 
There would be almost no benifit to this, harddrive r/w heads all move synchronously so if for some reason the data was fragmented it would suffer horrible performance losses. It's just the way they are designed, this eliminates alot of complexity in the firmware and alot mechanically.
 
defakto said:
There would be almost no benifit to this, harddrive r/w heads all move synchronously so if for some reason the data was fragmented it would suffer horrible performance losses. It's just the way they are designed, this eliminates alot of complexity in the firmware and alot mechanically.
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Okay, this makes sense. I wonder if a decent compromise would be to make all the discs spin at the same speed, but have each 'level' of heads be independent?
 
You're adding lots of complication to the system, each thing you add is a point of failure, each head just adds to your chance of a the drive dying.
 
I highly doubt you can make each platter a single drive. Also, Seagate's drives are all 4 platters now (and they will continue to do so), Western Digital is 5 platters (usually, though they are trying to go with 4).
 
protias said:
I highly doubt you can make each platter a single drive. Also, Seagate's drives are all 4 platters now (and they will continue to do so), Western Digital is 5 platters (usually, though they are trying to go with 4).
Click to expand...
Learn something new everyday..
 
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