[Bug 1078387] Re: bonded interface doesn't reliably come up after reboot

[Mark Fox]

Only other details I can think of is that might affect this is that I'm
running LVM on top of a hardware RAID array, and have separate
partitions/volumes for /, /usr, /var, /tmp, and home. We've been
experiencing these problems on machines that were running LVM on top of
Linux's md RAID as well. The partitioning scheme would be close to
identical on all machines.

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https://bugs.launchpad.net/bugs/1078387

Title:
  bonded interface doesn't reliably come up after reboot

Status in “ifenslave-2.6” package in Ubuntu:
  New

Bug description:
  Ubuntu 12.04 LTS (release 12.04 according to lsb_release -rd). Machine
  has four NICs.

  Set up a four-interface bond using the method outlined at
  http://www.stgraber.org/2012/01/04/networking-in-ubuntu-12-04-lts/.
  Restarting networking shows everything working as one would expect.
  Testing shows performance and behaviour to be what you would expect of
  a bonded interface.

  After a reboot things get interesting: Sometimes none of the slave
  interfaces come up and the bond therefore fails. Sometimes one or two
  of the interfaces come up, along with the bond. Leaving the machine
  for 15 minutes or so does not make for any changes. The interfaces
  that didn't come up at boot remain down. Unplugging, then replugging,
  cables makes no difference either. Restarting networking gets things
  back in their proper state.

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