Safely Upgrading PAS 2.2 with NSX-T Load Balancers
When customers with vSphere+NSX-T-based foundations apply a stemcell update, update a tile, or upgrade PAS (Pivotal Application Service) from 2.2 to 2.3, their Cloud Foundry may become unreachable as their NSX-T static load balancer server pools have been emptied. This blog post describes a method to ensure availability during upgrades. We use a combination of customized Operations Manager resource configs and BOSH VM Extensions. The sample workflow in this post is for upgrading PAS 2.2 to PAS 2.3 with an Operations Manager upgrade; however, it can also be adapted to stemcell or tile upgrades as well. ...