[Bug 1274499] [NEW] dhcp lease rollover causes loss of access to managment IP

[James Page]

Public bug reported:

I've seen this a few times (and I thought we had a bug raised but it
would appear not).

MAAS is attached to a /24 network with a DHCP pool limited to say
10->100 (90 IP's);  the iLO/DRAC/AMT cards get a IP via DHCP OK, but
then the pool is exhausted, the IP's which should of been allocated to
the management cards are leased to other clients.

Its entirely possible that the management cards are not renewing leases
(12 hours by default I think) resulting in this behaviour.

We worked around this by fixing the IP address allocations in
/etc/maas/dhcpd.conf for the management cards, but that appears less
than ideal in large deployments.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: maas 1.4+bzr1820+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic x86_64
ApportVersion: 2.13.1-0ubuntu2
Architecture: amd64
Date: Thu Jan 30 13:08:45 2014
InstallationDate: Installed on 2014-01-23 (7 days ago)
InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release amd64 (20131016)
PackageArchitecture: all
SourcePackage: maas
UpgradeStatus: Upgraded to trusty on 2014-01-23 (7 days ago)

** Affects: maas (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug micro-controller trusty

** Tags added: micro-controller

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https://bugs.launchpad.net/bugs/1274499

Title:
  dhcp lease rollover causes loss of access to managment IP

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