[Bug 1004243] Re: multipath installs not working

[Jesper Celander]

Hi.

I'm also having this problem.

Here is what I have done, not sure if it's correct so any pointers are
welcomed.

We downloaded http://archive.ubuntu.com/ubuntu/dists/precise-
updates/main/installer-amd64/current/images/netboot/netboot.tar.gz,
unpacked and added the files to our PXE netboot. Then we pointed out the
kernel and initrd files in the PXE menu.

During the installation the installer failed to start multipath with the same error.  
Is there something else we need to do?

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https://bugs.launchpad.net/bugs/1004243

Title:
  multipath installs not working

Status in “debian-installer” package in Ubuntu:
  Confirmed

Bug description:
  I started up a precise/netboot install using debian-
  installer_20101020ubuntu136 and disk-detect/multipath/enable=true and
  found that multipath support didn't appear to be working. That is to
  say, both paths appeared as separate disks in the installer, and no
  device-mapper devices were instantiated.

  I dropped to a shell and discovered that /sbin/multipath fails to run:

  BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) built-in shell (ash)
  Enter 'help' for a list of built-in commands.

  ~ # multipath
  multipath: symbol lookup error: /lib/libmultipath.so.0: undefined symbol: dlopen

  Note: this also seems to be the case in oneiric, though oneiric also
  has a bug where it does not appear to have the dm-multipath module
  available at install time.

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