Mounting an encrypted partion Error
- by indiajoe
Using the disk utilities in ubuntu 11.04, i had encrypted a partition with a passphrase. Each time i used to click on the partition to mount, it used to ask me the passphrase and get mounted. All was fine, until i installed the 12.04. After the installation, this encrypted partition, disappeared from the menu.
fdisk -l /dev/sda
Shows the encrypted partition in the list
/dev/sda7 298953648 488392064 94719208+ 7 HPFS/NTFS/exFAT
I tried the following commands to mount it. But they all gave following errors
$ sudo cryptsetup luksDump /dev/sda7
Device /dev/sda7 is not a valid LUKS device.
$ ecryptfs-unwrap-passphrase /dev/sda7
Passphrase: # i entered the correct passphrase here...
Error: Unwrapping passphrase failed [-5]
Info: Check the system log for more information from libecryptfs
$ grep ecryptfs /var/log/syslog
Oct 31 22:43:51 benny ecryptfs-unwrap-passphrase: Error attempting to open [/dev/sda7] for reading
Nov 1 01:28:02 benny ecryptfs-unwrap-passphrase: Error attempting to open [/dev/sda7] for reading
Nov 1 01:29:06 benny ecryptfs-unwrap-passphrase: Error attempting to open [/dev/sda7] for reading
I don't understand why I am getting the "Device /dev/sda7 is not a valid LUKS device."
Could it be due to some corruption in partition table?
Is there any way to recover this encrypted partition?
Thanks
indiajoe