Public bug reported:
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?
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: mdadm raid
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https://bugs.launchpad.net/bugs/1466803
Title:
Multiple Software RAID problems on 14.04.2
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