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Hard Drive Balancing

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  #11  
Old 05-25-2006, 03:01 PM
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gland gland is offline
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What happens if you compress files to save disk space??
Talk about a balance problem......
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  #12  
Old 05-25-2006, 03:10 PM
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philbach philbach is offline
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Talking 1stlite this is dead serious

Quote:
Originally Posted by 1STLITE
Man this is - uh - ok. So I first open this post, read the first post, click the link. I am reading... and reading - Ok, this can't be for real, I tell myself - then I read the rest of the posts...

This is seriously a joke right?
This is a serene and serious thread your treading on. No joking here. By the way do I have a financial investment for you! Its almost too good to believe.
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  #13  
Old 05-25-2006, 03:43 PM
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Gary Richardson Gary Richardson is offline
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Actually its really easy to get data balance, you just need the MkXX dynamic 1 stretcher.

This handy device known to very few, stretches the 1s in your data till they are the same length as the circumference of your Os, thus achieving complete data balance without the necessity of moving them on your disc.
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  #14  
Old 05-25-2006, 03:49 PM
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Peter S Peter S is offline
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This explains why my computer seems to move across the room every now and then.
Its the badly loaded spin dryer effect.
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  #15  
Old 05-25-2006, 03:59 PM
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Doug Nelson Doug Nelson is offline
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You'd think when they designed the first hard drive they would have used 6 and 9 instead of 1 and 0, to avoid this very problem.
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  #16  
Old 05-25-2006, 04:03 PM
HroadhogD1 HroadhogD1 is offline
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The reason it gets out of balance is all of the fagmented files on your hard drive. As you defragment, all you have to do is Stop when there is a perfect balance.
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  #17  
Old 05-25-2006, 04:56 PM
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1STLITE 1STLITE is offline
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Seriously - ya'll are killing me - I canNOT stop laughing.

(BTW - sorry about momentarily letting the blonde come out in me. Rest assured she is now securely restrained!)

Dawn

Oh and Phil - Do tell me more!! I heard there was this guy from around the corner who was similarly approached - turns out he now owns some bridge somewhere!!
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  #18  
Old 05-25-2006, 09:30 PM
Bryan L Bryan L is offline
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At my computer shop we run into this problem all the time. We find the most difficult situation is when running a RAID array. Trying to balance two harddrives at the same time can be pretty tricky.

We found the best method is to unscrew both drives, leave them plugged in and put them on a scale. While running the "harddrive balance" software we wait until they are balanced on the scale and remove them. A little tricky, but works like a charm.

-Bryan
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  #19  
Old 05-25-2006, 10:47 PM
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mistermonday mistermonday is offline
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Doug, they tried 6 and 9 but encountered a problem. As the platter spun, the rotational motion caused the 6 and 9 to alternately invert once with every 180 degree rotation of the platter. In order to avoid a read error, it was necessary to polarize the read head sensor on the arm with alternate 180 degree phase inversions. The quantization error which results from the asynchronous phase distortion effectively induced the Hard Drive equivalent of Heisenberg's Uncertainty Principle where the Hard Disk controller could reliably distinguish between 6 and 9 but it could never be certain exactly where the the actual drive's read head was above the platter. Drive Balance was a much easier problem to deal with. Mechanics were designed so that the average MTBF time occurred within 12 months of the expiration of the warranty period.
Regards, Murray

Last edited by mistermonday; 05-25-2006 at 11:34 PM.
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  #20  
Old 05-25-2006, 11:31 PM
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Craig Walters Craig Walters is offline
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murray,

i think they used that system on the last copy-protection scheme on software i bought. effectively, it creates an infinite soft bit loop.

craig
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