[Bug 1480399] Re: LVM over multipath setups fail to boot

[Mathieu Trudel-Lapierre]

Additional information. Output of multipath -v4 (as opposed to -v3)
shows that the ioctl reload can't happen because something else already
has a lock on it. I will need to dig in some more to verify whether that
really is LVM, and how to correct this.

Shipping the wwids file from multipath doesn't seem to be enough, there
may be a need to shuffle some things around in udev rules.

** Attachment added: "typescript2"
   https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1480399/+attachment/4437070/+files/typescript2

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https://bugs.launchpad.net/bugs/1480399

Title:
  LVM over multipath setups fail to boot

Status in multipath-tools package in Ubuntu:
  New

Bug description:
  Wily, using multipath-tools 0.5.0-7ubuntu2

  Installing Ubuntu on LVM over multipath disks fails to boot, falls to
  the recovery console from systemd (not the initramfs console).

  This is likely to be because of a race between LVM and multipath -- if
  LVM tries to pick up the device and locks it before multipath-tools
  can do its job.

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