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Old Jan 24, 2013, 05:32 AM   #1
manuH
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Disk corruption.. need help! - Invalid sector size: 0

hello,
I use osx 10.8 and WIn7 with refit boot, a SSD with both systems and a 1To Samsung HDD formatted to FAT for being used by both systems, and that worked fine for 2 month..

suddenly, after I rebooted from win7 to osx system, the 1To Samsung appears as RAW,
when I launch disk utility it says "Invalid sector size: 0", and that it could not repair this disk and it has to be formatted..


any advices ?
what disk utility would you recommand ?
is disk warrior only for HFS or it also works with FAT ?

Code:
Vérification du volume  disk1s2 
Vérification du système de fichiers
** /dev/disk1s2
Invalid sector size: 0
Erreur : Ce disque doit être réparé. Cliquez sur Réparer le disque
Vérifier et réparer le volume  disk1s2 
Vérification du système de fichiers

** /dev/disk1s2
Invalid sector size: 0
Réparation du volume terminée.
Mise à jour des partitions de prise en charge du démarrage pour le volume, comme requis.
Erreur : Utilitaire de disque ne peut pas réparer ce disqu...rmatez le disque, puis restaurez vos fichiers sauvegardés.
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Old Jan 24, 2013, 05:36 AM   #2
SandboxGeneral
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If it's a bad sector on the HDD I recommend you use a PC DOS-based program called Spinrite which is a maintenance utility and data recovery utility. You have to have an IBM-PC in order to use it though. You take the HDD out of the Mac and connect it to the IBM-PC and run the program. Below is my old MBP HDD in a Dell PC with Spinrite working on it.

Thumb resize.

Thumb resize.

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Last edited by SandboxGeneral; Jan 31, 2013 at 08:09 AM. Reason: Added YouTube video
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Old Jan 24, 2013, 05:41 AM   #3
justperry
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I would first try to repair it in windows, Diskwarrior is only for HFS afaik.
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Old Jan 24, 2013, 08:08 AM   #4
manuH
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i tried diskwarrior 4, but it seems to work only with hfs,
mine is FAT

actually i'm running Get Data Back. Actually scanning for a few hours. I will tell you about the results later.
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Old Jan 25, 2013, 12:05 PM   #5
manuH
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it didn't find anything...
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Old Jan 31, 2013, 07:57 AM   #6
ACagliano
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Do you have version of OS X with Recovery HD? Anything later than 10.7 creates a separate partition and you can boot into it and repair from there.

Hold option while booting and select Recovery HD.
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