Hosts to retire:
- db1029
- db1031
- Ops steps
- All system services confirmed offline from production use (MySQL is now stopped)
- 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/hiera/dsh config removed
- Update site.pp with role::spare::system https://gerrit.wikimedia.org/r/#/c/405278/2/manifests/site.pp and https://gerrit.wikimedia.org/r/#/c/401708/3/manifests/site.pp
- DC ops
- Disable puppet on host
- Remove all remaining puppet references (include role::spare:system)
- Power down host
- Disable switch port
- Switch port assignment noted on this task (for later removal)
- Remove production dns entries
- Puppet node clean, puppet node deactivate
- Decommission
- 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.
- Mgmt dns entries removed.