[Bug 824961] Re: Ubuntu 11.04 Server with encrypted LVM on dm RAID0 -- Incorrect metadata area header checksum - No volume groups found - ALERT! /dev/mapper/MachineName-root does not exist

Thu May 10 21:45:27 UTC 2012

I thought I would add more information:

This machine is using Stripe RAID is divided into 2 Drives (not partitions but 2 drives). The First RAID Drive has Ubuntu Server 11.04 with encrypted LVM on dm RAID0. The Second RAID0 drive has Windows XP. the Third Single Drive not in RAID has Ubuntu Desktop 11.10. I have not upgraded it to 12.04LTS yet.
Note: Grub does not know about the other OSes since it was installed before the other OSes and I use the BIOs Boot Menu to select the drive to boot from.

The system no longer drops to (initramfs) and no longer asks for the
passphrase, due to constant rebooting, but it does do (grub).

When Booting to this first Drive in RAID0, I get the Grub Menu:
------------------------------------------------------------------------
	 "GNU GRUB version 1.99~rcl-13ubuntu3".
Ubuntu, with Linux 2.6.38-10server
Ubuntu, with Linux 2.6.38-10-server (recovery mode)
Previous Linux Versions
Memory test (memtest86+)
Memory test (memtest86+, serial console 115200)

------------------------------------------------------------------------
If I select Previous Linux Version I get the GNU Grub Menu:
------------------------------------------------------------------------
	 "GNU GRUB version 1.99~rcl-13ubuntu3".
Ubuntu, with Linux 2.6.38-8server
Ubuntu, with Linux 2.6.38-8-server (recovery mode)
------------------------------------------------------------------------
Selecting:
Ubuntu, with Linux 2.6.38-10server
Ubuntu, with Linux 2.6.38-10-server (recovery mode)
or
Ubuntu, with Linux 2.6.38-8server
Ubuntu, with Linux 2.6.38-8-server (recovery mode)
No longer gets me where I need to enter a Passphrase… It just reboots the machine.
------------------------------------------------------------------------
If I chose the 'c' Option it opens the GNU GRUB Command line option"
	 "GNU GRUB version 1.99~rcl-13ubuntu3".
Minimal BASH-like line editing is supported. For the first word, TAB list possible command completions. Anywhere else TAB list possible device or file completions. ESC at any time exits.

grub>
------------------------------------------------------------------------

grub> ls
(hd0) (hd0,msdos5) (hd0,msdos1) (hd1) (hd1,msdos3) (hd1,msdos2) (hd1,msdos1) (hd2) (hd2,msdos1) (fd0)
grub>	
------------------------------------------------------------------------
If I select 'e' Option on line "Ubuntu, with Linux 2.6.38-10server":

	 "GNU GRUB version 1.99~rcl-13ubuntu3".
setparams 'Ubuntu, with Linus 2.6.38-10server'

recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='hd3,msdos1)'
search --no-floppy --fs-uuid --set=root ######xx-x###-#x#x-x###-####x#x\xx###
Linux /vmlinux-2.6.38-10-server root=/dev/mapper/MachineName-root ro      \quiet
initrd /initrd.img-2.6.38-10-server
------------------------------------------------------------------------

When I Log into my other Ubuntu Single Drive, I can browse the 256mb
filesystem ######xx-x###-#x#x-x###-####x#x but I am unable to mount the
750GB LVM2 Physical Volume Not a mountable file system. Once I get this
message after typing in the password, I can not attempt to remount it. I
had selected the forget immediately option when typing in the password.
Logging off and back on did not allow me to attempt again to mount this
Volume. Only after rebooting am I able to enter a password to unlock the
volume for the device 750GB Hard disk contains encrypted data. When I
type an incorrect Passphrase I get an "Unable to mount 750GB Encrypted"
Error unlocking device: cryptsetup exited with exit code 255: No key
available with this passphrase. click ok and can retry mounting the
device… I have selected for this test Remember password until you
logout, and typed the correct password and the drive disappears from the
browser and I do not get any messages about whether it failed or
succeeded. When I log out and back on it still does not show the drive
in the browser. After i reboot the 750GB Encrypted drive shows up in the
browser.

I have resisted reinstalling the OS on the encrypted drive. However if I
can not save my data I will call it a lost and reinstall it using
12.04LTS

I no longer get the Enter passphrase option and I have changed the
Graphics card from NVIDIA to ATI which I had to uninstall before I could
boot into my other Ubuntu  drive. I think it is sad that Ubuntu can not
load standard VGA drivers when a Video card changes. I had no choice
about the graphics card since the NVIDIA card failed last month.

Please detail the commands or tools you would like me to try.

Regards,
John

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https://bugs.launchpad.net/bugs/824961

Title:
  Ubuntu 11.04 Server with encrypted LVM on dm RAID0 -- Incorrect
  metadata area header checksum - No volume groups found - ALERT!
  /dev/mapper/MachineName-root does not exist

Status in “cryptsetup” package in Ubuntu:
  New

Bug description:
  Using Ubuntu 11.04 Server with encrypted LVM and installed the Ubuntu-Desktop GUI installed.
  Unity is Disabled and using Classic Veiw.

  I have encrypted the entire Ubuntu partition and the User /home...
  I have been using this for a couple of weeks now and shutdown everynight.
  I am now for some odd reason maybe the last update broke it; today Aug 11,2011 is the first day I got this issue, I am not sure the cause...
  After booting it asks for my Passphrase to unlock the partition, which I type in but after that I get:

  Enter passphrase: **************************************************************
   Reading all Physical volumes. This may take a while...
   Incorrect metadata area header checksum
   No volume groups found
   Incorrect metadata area header checksum
   No volume groups found
   /scripts/local-top/cryptroot: line 1: can't open /dev/mapper/MachineName-root:no such file
  cryptsetup: isw_abcdefghij_RAID0-1p5_crypt set up successfully

  Next screen:

  udevd-work [79]: inotify_add_watch(6, /dev/dm-5, 10) failed: No such file or directory

  udevd-work [79]: inotify_add_watch(6, /dev/dm-3, 10) failed: No such file or directory

  Gave up waiting for root device. Common Problems:
   - Boot args (cat /proc/cmdline)
     - Check rootdelay= (did the system wait long enough?)
     - Check root= (did the system wait for the right device?)
   - Missing modules (cat /proc/modules; ls /dev)
  ALERT! /dev/mapper/MachineName-root does not exist. Dropping to a shell!

  BusyBox v1.17.1 (Ubuntu 1:1.17.1-1-ubuntu1) built-in shell (ash)
  Enter 'help' for a list of built-in commands.

  (inintramfs) ls
  dev		init		conf	lib	var	etc	sys	tmp
  root	lib64	scripts	usr	sbin	bin	proc
  (initramfs) 

  I can not find any files  /var/logs, I can browse /proc and /root and
  ls files in /proc which shows modules and cmdline files that for some
  reason are showing as missing?

  Is there anything I can do like mount the encrypted  partition with a
  Live CD to edit or copy certain files to allow Ubuntu to continue to
  boot up to the Desktop?

  Thanks in advanced.

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