7.4

Table Of Contents
c Verify that the following elements are present in the <appSettings> section.
n
<add key="FailoverModeEnabled" value="True" />
n
<add key="FailoverPingIntervalMilliseconds" value="30000" />
n
<add key="FailoverNodeState" value="active" />
n
<add key="FailoverMaxFailedDatabasePingAttepts" value="5" />
n
<add key="FailoverMaxFailedRepositoryPingAttepts" value="5" />
n
Verify that Windows VMware vCloud Automation Center Service status is started and startup type is
automatic.
n
Use Python to validate that failover is disabled on each Manager Service node.
a Log in to the master vRealize Automation appliance node as root using SSH.
b Run python /usr/lib/vcac/tools/vami/commands/manager-service-automatic-
failover DISABLE.
c Verify that the system returns this message: Disabling Manager Service automatic
failover mode on node: IAAS_MANAGER_SERVICE_NODEID done.
n
Validate that failover is disabled on each Manager Service node by inspecting the Manager Service
configuration file.
a Open a command prompt on a Manager Service node.
b Navigate to the vRealize Automation installation folder and open the Manager Service
configuration file at VMware\vCAC\Server\ManagerService.exe.config.
c Verify that the following element is present in the <appSettings> section.
n
<add key="FailoverModeEnabled" value="False" />
n
To create a cold standby Manager Service node, set the node Windows VMware vCloud Automation
Center Service status to stopped and startup type to manual.
n
For an active Manager Service node, the node Windows VMware vCloud Automation Center Service
status must be started and startup type must be automatic.
n
The manager-service-automatic-failover command uses the Manager Service node internal id -
IAAS_MANAGER_SERVICE_NODEID. To find the hostname corresponding to this internal id, run the
command vra-command list-nodes and look for the Manager Service host with NodeId:
IAAS_MANAGER_SERVICE_NODEID.
n
To locate the Manager Service that the system has automatically elected to be currently active,
perform these steps.
a Log in to the master vRealize Automation appliance node as root using SSH.
b Run vra-command list-nodes --components.
n
If failover is enabled, find the Manager Service node with State: Active.
n
If failover is disabled, find the Manager Service node with State: Started.
Upgrading from vRealize Automation 7.1 or Later to 7.4
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