Magnets

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(moving drive test to the Hard Drives page)
 
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* Paranoia about debitcard wiping? (I know I'd love to have a wallet which self-closed with use of magnets.
 
* Paranoia about debitcard wiping? (I know I'd love to have a wallet which self-closed with use of magnets.
   
* Paranoia about hard drives.
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* Paranoia about [[Hard drives]].
   
What I have never seen is testing of magnets on drives. Now, I have alot of nice strong rare-earth magnets, and I have some old drives which are all but ready to be decomissioned.
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== Cool things to do with magnets? ==
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* Removable/variable Car hood ornament
== Testing external magnetic effects on Hard drives ==
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* wallet latch (in the futuuuure when only smartcards anyway :)
# setup computer with an OS and boot drive.
 
# attach drive-to-test
 
# format drive
 
# write data, md5sum written data
 
# bring magnets to drive
 
# md5sum data again to check against bit corruption
 
# consider 'spamsum' to check for how MUCH of the data is corrupted.
 
 
* consider applying all this in a loop which runs constant, generating files (/proc/partitions), md5sum, wait for magnets, md5sum again, delete and repeat
 
* 10meg files?
 
* effects of magnets in use as files are written as well as after wrtiting is complete
 

Latest revision as of 10:24, 30 January 2009

Magnets are the rock.

So why are they not more common?

  • Paranoia about debitcard wiping? (I know I'd love to have a wallet which self-closed with use of magnets.

[edit] Cool things to do with magnets?

  • Removable/variable Car hood ornament
  • wallet latch (in the futuuuure when only smartcards anyway :)
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