[x] Add component/ganeti216 to all nodes
[x] Upgrade all nodes using "cumin A:ganeti-eqiad 'apt-get install -y ganeti'"
[x] cumin A:ganeti-eqiad 'chown gnt-metad /var/log/ganeti/meta-daemon.log'
[x] sudo gnt-cluster renew-crypto --new-cluster-certificate --new-rapi-certificate --new-spice-certificate
[x] sudo gnt-cluster upgrade --to 2.16
[x] sudo gnt-cluster renew-crypto --new-node-certificates (might not be needed for future updates if the hashing algo stays the same)
Following that empty/reimage/readd the following virtualisation servers:
[x] ganeti1005.eqiad.wmnet
[x] ganeti1006.eqiad.wmnet
[x] ganeti1007.eqiad.wmnet
[x] ganeti1008.eqiad.wmnet
[] ganeti1009.eqiad.wmnet
[x] ganeti1010.eqiad.wmnet
[] ganeti1011.eqiad.wmnet
[] ganeti1012.eqiad.wmnet
[x] ganeti1013.eqiad.wmnet
[x] ganeti1014.eqiad.wmnet
[x] ganeti1015.eqiad.wmnet
[] ganeti1016.eqiad.wmnet
[] ganeti1017.eqiad.wmnet
[x] ganeti1018.eqiad.wmnet
[x] ganeti1019.eqiad.wmnet
[x] ganeti1020.eqiad.wmnet
[] ganeti1021.eqiad.wmnet
[] ganeti1022.eqiad.wmnet
The following instances were temporarily converted from plain disk storage to DRBD:
* kubestagetcd1004 (converted back to plain)
* kubestagetcd1005 (converted back to plain)
* kubestagetcd1006 (converted back to plain)
* kubetcd1004 (converted back to plain)
* kubetcd1005 (converted back to plain)
* kubetcd1006 (converted back to plain)
* ml-etcd1001
* ml-etcd1002
* ml-etcd1003