db2012 has been substituted by db2042- after one week, it is working properly -**proceed to decommission**.
== Decommission Checklist ==
[x] - all system services confirmed offline from production use - should be done by #DBA team
[x] - set all icinga checks to maint mode/disabled while reclaim/decommmission takes place.
[x] - remove system from all lvs/pybal active configuration - should be done by #DBA team
[x] - any service group puppet/heira/dsh config removed - should be done by #DBA team
[x] - remove site.pp (replace with role(spare::system) if system isn't shut down immediately during this process.) - should be done by #DBA team https://phabricator.wikimedia.org/source/operations-puppet/browse/production/manifests/site.pp;ade72f787fb587b8cb191ca38b7e3392f1778d58$598
START NON-INTERRUPPTABLE STEPS - please assign to @robh for the non-interrupt steps
[x] - disable puppet on host
[x] - power down host
[x] - disable switch port
[x] - switch port assignment noted on this task (for later removal) - asw-a-codfw:ge-6/0/11
[x] - remove all remaining puppet references (include role::spare)
[x] - remove production dns entries
[x] - puppet node clean, puppet node deactivate
END NON-INTERRUPPTABLE STEPS
[] - system disks wiped (by onsite)
[] - system unracked and decommissioned (by onsite), update racktables with result
[] - switch port configration removed from switch once system is unracked.
[] - add system to decommission tracking google sheet
[] - mgmt dns entries removed.