[Bug 599342] Re: Temporary failure in name resolution

[Mark - Syminet]

@Serge correct - for security (and portability) reasons, we've decided
to run ssh only and nothing else on the hosts - all other services run
on guests - so the host is using one of it's own guests as it's DNS
server.  It's backup nameservers are on different hosts which are
usually up, so we never noticed this issue - but this time, they were
not available at the moment we rebooted.  The result was all guests
failed to start.

For now, we've just updated /etc/hosts on each machine to make sure they
automatically resolve themselves even without nameservice - this seems
to be a decent workaround for now.

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https://bugs.launchpad.net/bugs/599342

Title:
  Temporary failure in name resolution

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