On 06/29/2010 12:26 PM, Georg Gast wrote:
Package: cryptsetup
Version: 2:1.1.2-1
Severity: normal

The following happens if i try "cryptsetup luksDump /dev/sda2_crypt"

cryptsetup luksDump /dev/mapper/sda2_crypt
Device /dev/mapper/sda2_crypt is not a valid LUKS device.

man crypsetup:
 status <name> reports the status for the mapping <name>.
 luksDump <device> dumps the header information of a LUKS partition.

IOW
status reports information about active mapping (including underlying
LUKS partition in report)

luksDump shows the information about LUKS on-disk metadata
(even if there is no mapping).

But see the following:
[code]
cryptsetup status /dev/mapper/sda2_crypt
/dev/mapper//dev/mapper/sda2_crypt is active:
    cipher:  aes-cbc-essiv:sha256
    keysize: 256 bits
    device:  /dev/sda2

So you want cryptsetup luksDump /dev/sda2

Milan



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