Magnets
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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. |
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| − | * Paranoia about hard drives. |
+ | * Paranoia about [[Hard drives]]. |
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| − | 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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| − | == Testing external magnetic effects on Hard drives == |
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| − | # setup computer with an OS and boot drive. |
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| − | # attach drive-to-test |
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| − | # format drive |
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| − | # write data, md5sum written data |
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| − | # bring magnets to drive |
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| − | # md5sum data again to check against bit corruption |
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| − | # consider 'spamsum' to check for how MUCH of the data is corrupted. |
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| − | * consider applying all this in a loop which runs constant, generating files (/proc/partitions), md5sum, wait for magnets, md5sum again, delete and repeat |
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| − | * 10meg files? |
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| − | * effects of magnets in use as files are written as well as after wrtiting is complete |
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== Cool things to do with magnets? == |
== Cool things to do with magnets? == |
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* Removable/variable Car hood ornament |
* Removable/variable Car hood ornament |
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| − | * wallet latch |
+ | * wallet latch (in the futuuuure when only smartcards anyway :) |
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.
- Paranoia about Hard drives.
[edit] Cool things to do with magnets?
- Removable/variable Car hood ornament
- wallet latch (in the futuuuure when only smartcards anyway :)
