For core hosts lower than db2030 that used to be masters (not misc hosts, which will be handled on a separate ticket):
- db2016
- db2017
- db2018
- db2019
- db2023
- db2028
- db2029
- 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
- non interrupt steps
- 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
- final decom 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.
- Mgmt dns entries removed.