[Bug 1466803] Re: Multiple Software RAID problems on 14.04.2

[Gareth]

** Description changed:

+ 
+ edit:
+ NB. this report is inaccurate - please see the following instead:
+ https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1469269
+ 
+ 
  Re. mdadm 3.2.5-5ubuntu4.1 (or possibly kernel bug(s)?)
  
  Firstly,
  
  /etc/initramfs-tools/conf.d/mdadm does not seem to exist as it is
  suggested it should in the official server guide.
  
  1. Encrypted LVM RAID fails to boot
  2. LVM RAID fails to boot when degraded
  
  I have had various issues re. (2) tested with VirtualBox and KVM (with
  and on 14.04.2)
  
  (1) gets so far in the boot process then keeps displaying "No volume groups found"
  (2) if virtual disk is removed from the VM, I've managed to get it to boot once and remove the offending disk from mdX using mdadm ... but couldn't reproduce this behaviour a second (or third) time - now it just keeps printing...
  
  Incrementally starting RAID arrays...
  mdadm: CREATE user root not found
  mdadm: CREATE group disk not found
  Incrementally started RAID arrays
  
  ...every few seconds.
  
  That symptom seems to be fixable in other reports in circumstances where
  the system is bootable after a soft reset (Ctrl+Alt+Del) but no such
  luck in my case.
  
  It seems that software RAID is a mess in 14.04 - can someone take a good
  look at it?

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https://bugs.launchpad.net/bugs/1466803

Title:
  Multiple Software RAID problems on 14.04.2

Status in mdadm package in Ubuntu:
  New

Bug description:
  
  edit:
  NB. this report is inaccurate - please see the following instead:
  https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1469269


  Re. mdadm 3.2.5-5ubuntu4.1 (or possibly kernel bug(s)?)

  Firstly,

  /etc/initramfs-tools/conf.d/mdadm does not seem to exist as it is
  suggested it should in the official server guide.

  1. Encrypted LVM RAID fails to boot
  2. LVM RAID fails to boot when degraded

  I have had various issues re. (2) tested with VirtualBox and KVM (with
  and on 14.04.2)

  (1) gets so far in the boot process then keeps displaying "No volume groups found"
  (2) if virtual disk is removed from the VM, I've managed to get it to boot once and remove the offending disk from mdX using mdadm ... but couldn't reproduce this behaviour a second (or third) time - now it just keeps printing...

  Incrementally starting RAID arrays...
  mdadm: CREATE user root not found
  mdadm: CREATE group disk not found
  Incrementally started RAID arrays

  ...every few seconds.

  That symptom seems to be fixable in other reports in circumstances
  where the system is bootable after a soft reset (Ctrl+Alt+Del) but no
  such luck in my case.

  It seems that software RAID is a mess in 14.04 - can someone take a
  good look at it?

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