We should reimage phab1001 and phab2001 to stretch now that we have unblocked the reimage with this T187127 being resolved.
This reimage is needed for T182832
We should reimage phab2001 first then phab1001
blockers noted in meeting:
- ensure testing is possible from deployment servers (firewall holes)
- ensure replacement server has 64GB RAM like prod server
todo:
- install OS on phab1003
- switch prod traffic to phab1003
- reinstall phab2001 with stretch
- reinstall phab1001 with buster
- reinstall phab2001 with buster
- switch production from phab1003 to phab1001 -> T238956
- give back phab1003 or keep as permanent failover in the same DC | requested to keep in T232887 -> decom in T238956