[virt-tools-list] e2fsck an encrypted LVM root partition within a virtual machine

[Richard W.M. Jones]

On Wed, Jul 29, 2015 at 01:12:11PM +0100, Keith Roberts wrote:
> ><rescue> cryptsetup open /dev/sda2 sysroot
> Enter passphrase for /dev/sda2: 
> [  355.726880] device-mapper: table: 253:0: crypt: unknown target type
> [  355.727799] device-mapper: ioctl: error adding target to table
> device-mapper: reload ioctl on temporary-cryptsetup-148 failed: Invalid argument
> Failed to open temporary keystore device.
> device-mapper: remove ioctl on temporary-cryptsetup-148 failed: No such device or address
> ...
> ><rescue> 
> 
> Any ideas why I cannot open the LUKS encrypted partition please?

It's a good question.  The error seems to indicate that the
dm-crypt.ko kernel module is not loaded, so I guess you could try
'modprobe dm-crypt' before the cryptsetup command.  (Also check your
*host* kernel supports dm-crypt).

Rich.

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