[Bug 1349986] Re: Ubuntu fails to boot with multipath

[Mauricio Faria de Oliveira]

*** This bug is a duplicate of bug 1004243 ***
    https://bugs.launchpad.net/bugs/1004243

This bug happened due to bug 1004243. Marking as duplicate.

The problem was the /etc/multipath.conf file wasn't copied from
installer to disk, as multipath detection failed (/sbin/multipath  was
missing some dependencies).

The configuration file (essentially enabling user_friendly_names) was
required for some reason for the boot to finish properly (possibly the
controllers's device names in non-friendly form came up in non-udev-
whitelisted form or something, and the boot process got stuck along the
way).

As the multipath-tools-boot updated the initramfs without that
configuration file (as it didn't exist), the problem happened.

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https://bugs.launchpad.net/bugs/1349986

Title:
  Ubuntu fails to boot with multipath

Status in multipath-tools package in Ubuntu:
  Confirmed

Bug description:
  ---Problem Description---
  When multipath boot support is on, the system fails to boot. Basically, the UUID device points to the underlying SCSI partition device instead of the multipath partition device when initramfs script tries to mount it.
   
  ---uname output---
  Linux (none) 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:50:31 UTC 2014 ppc64le GNU/Linux
   
  ---Additional Hardware Info---
  IPR multipath system. 
   
  Machine Type = 8286-42A 
    
  ---Steps to Reproduce---
  Install the system into a multipath device, then install multipath-tools-boot, reboot.
   
  Userspace tool common name: udev

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