[pkg-cryptsetup-devel] Bug#585934: [udev] UUID discrepancy between cryptsetup luksUUID and udevadm info

[Guy Heatley]

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On 16/06/2010 12:19, Milan Broz wrote:
> On 06/16/2010 12:57 PM, Guy Heatley wrote:
>> On 16/06/2010 11:39, Milan Broz wrote:
>> I'm not sure this is true - this device had not been opened by
>> cryptsetup at this point: There was no entry in /dev/mapper , it was not
>> an active Luks device.
> 
> If that device was LUKS formatted long ago, maybe you are seeing the old bug,
> when some sectors were not properly wiped and there are both signatures of ext3 and LUKS
> on the device.
> 
> You can easily fix that, simply run luksHeaderBackup and luksHeaderRestore
> with cryptsetup 1.1.x (this will wipe that problematic area).
> 
> If it is problem, please try
> crypsetup luksHeaderBackup --header-backup-file <file> <device>
> crypsetup luksHeaderRestore --header-backup-file <file> <device>
> 
> Milan

Yes - its is possible this partition was made with a long-gone version
of cryptseup.

I will try your suggestion! Thanks!
- -- 
Guy


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