Upgrading a two data center deployment
How to upgrade a two data center disaster recovery (DR) deployment on VMware.
To upgrade a two data center disaster recovery deployment, follow the API Connect on VMware upgrade procedures along with the additional procedures that are described in this topic.
Key points for two data center disaster recovery
upgrade on VMware:
- Both data centers must be using the same version of API Connect, including down to the specific fix pack and interim fix level. Therefore, both data centers must be upgraded in the same maintenance window.
- Do not reboot any of the management or portal virtual machines until the end of the upgrade,
even if you're instructed to do so by the
apicup subsys health-checkcommand during the upgrade process. - Upgrade the management subsystems in both data centers before you upgrade the portal subsystems.
- For both the management and portal subsystems, start by upgrading the warm-standby data center first.
Upgrade steps for 2DCDR:
- Review the Planning your API Connect upgrade on VMware.
- Complete the Pre-upgrade preparation and checks VMware steps.
- Upgrade the warm-standby management subsystem
- Upgrade the active management subsystem.
- Upgrade the warm-standby portal subsystem.
- Upgrade the active portal subsystem.
- Upgrade analytics and gateway subsystems as described in Upgrade on VMware.
How to upgrade when one data center is down
If you cannot get your failed data center back online and want to upgrade, you can convert your
active data center to a stand-alone and upgrade it:
- Ensure that the network links to the failed data center are removed, so that if the failed data center recovers unexpectedly, it cannot interfere with your active data center.
- Convert the active data center to a stand-alone data center: Removing a two data center deployment.
- Upgrade your active data center with the standard upgrade steps: Upgrade on VMware.