carbon.wikimedia.org has been replaced by install1002/2002 and can be decom'ed after Friday, Feb 17th 2017
== decommission steps ==
[x] - all system services confirmed offline from production use
[x] - set all icinga checks to maint mode/disabled while reclaim/decommmission takes place.
[] - remove system from all lvs/pybal active configuration
[] - any service group puppet/heira/dsh config removed
[] - remove site.pp (replace with role::spare if system isn't shut down immediately during this process.)
START NON-INTERRUPPTABLE STEPS
[] - disable puppet on host
[] - remove all remaining puppet references (include role::spare)
[] - power down host
[] - disable switch port
[] - remove production dns entries
[] - puppet node clean, puppet node deactivate, salt key removed
END NON-INTERRUPPTABLE STEPS
[] - system disks wiped by onsite
[] - system unracked and decommissioned (by onsite), update racktables with result
[] - switch port configration removed from asw-a-eqiad for scandium when it is unracked.