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Old 10-27-2010, 04:01 AM   #1
LQ Newbie
Registered: Aug 2009
Location: AT
Distribution: gentoo,debian
Posts: 4

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cryptsetup - canīt open luks parittion - "no key available with this passphrase"


i have strange problems with luks since my last reboot of my Gentoo Linux (64 bit) box.

the md*-devices have strange names (for example md125 - before it was md3). the luks header of "md125" (raid 10 - 1,5 tb) is still there but i canīt open the luks-partition. The message is "No key available with this passphrase".

the filesystem off the encrypted luks partition is ext4.

I am absolutely sure that the passphrase is valid!

I hope someone have some suggestions for me. all my data is stored on this raid 10.

some debug output:
cryptsetup luksOpen /dev/md6 storage --debug
# cryptsetup 1.1.2 processing "cryptsetup luksOpen /dev/md6 storage --debug"
# Locking memory.
# Allocating crypt device /dev/md6 context.
# Trying to open and read device /dev/md6.
# Initialising device-mapper backend, UDEV is enabled.
# Detected dm-crypt target of version 1.7.0.
# Timeout set to 0 miliseconds.
# Password retry count set to 3.
# Iteration time set to 1000 miliseconds.
# Password verification disabled.
# Trying to load LUKS1 crypt type from device /dev/md6.
# Initializing crypto backend (using secure memory).
# Reading LUKS header of size 1024 from device /dev/md6
# Activating volume storage [keyslot -1] using [none] passphrase.
# dm status storage OF [16384]
Enter passphrase for /dev/md6:
# Trying to open key slot 0 [3].
# Reading key slot 0 area.
# DM-UUID is CRYPT-TEMP-temporary-cryptsetup-22803
# Udev cookie 0xd4d9fbd (semid 2850817) created
# Udev cookie 0xd4d9fbd (semid 2850817) incremented
# Udev cookie 0xd4d9fbd (semid 2850817) incremented
# Udev cookie 0xd4d9fbd (semid 2850817) assigned to dm_task type 0 with flags 0xe
# dm create temporary-cryptsetup-22803 CRYPT-TEMP-temporary-cryptsetup-22803 OF [16384]
# temporary-cryptsetup-22803: Stacking NODE_ADD (252,0) 0:0 0600
# dm reload temporary-cryptsetup-22803 OF [16384]
# dm resume temporary-cryptsetup-22803 OF [16384]
# temporary-cryptsetup-22803: Stacking NODE_READ_AHEAD 4096 (flags=1)
# Udev cookie 0xd4d9fbd (semid 2850817) decremented
# Udev cookie 0xd4d9fbd (semid 2850817): Waiting for zero
# Udev cookie 0xd4d9fbd (semid 2850817) destroyed
# temporary-cryptsetup-22803: read ahead is 256
# temporary-cryptsetup-22803: Setting read ahead to 4096
# Udev cookie 0xd4da76b (semid 2883585) created
# Udev cookie 0xd4da76b (semid 2883585) incremented
# Udev cookie 0xd4da76b (semid 2883585) incremented
# Udev cookie 0xd4da76b (semid 2883585) assigned to dm_task type 2 with flags 0x0
# dm remove temporary-cryptsetup-22803 OF [16384]
# temporary-cryptsetup-22803: Stacking NODE_DEL (replaces other stacked ops)
# Udev cookie 0xd4da76b (semid 2883585) decremented
# Udev cookie 0xd4da76b (semid 2883585): Waiting for zero
# Udev cookie 0xd4da76b (semid 2883585) destroyed
# Trying to open key slot 1 [1].
# Trying to open key slot 2 [1].
# Trying to open key slot 3 [1].
# Trying to open key slot 4 [1].
# Trying to open key slot 5 [1].
# Trying to open key slot 6 [1].
# Trying to open key slot 7 [1].
No key available with this passphrase.

this is also strange, ... if i create the raid 0 with the other drives of the raid 1 with metadata 0.9 then one time i get 64k chunks and the other time 512k chunks. Luks header is still there but the valid passphrase is not accepted...

thanks in advance

Last edited by ts0; 10-27-2010 at 04:04 AM.
Old 06-08-2013, 11:46 AM   #2
Registered: Oct 2005
Posts: 324

Rep: Reputation: 32
Hi ts0,

Has your problem resolved? I encountered the same issue and now I could not load my data.


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