Set the default Discovery Protocol wait interval

Overview

The default discovery protocol for a core group establishes network connectivity between a new core group member and the other members of the core group. The default is 60 seconds.

 

Change the wait interval

1. In the admin console, click...

   Servers | Core Groups | Core group settings | core_group_name | Additional Properties | Discovery and failure detection

   ...and select...

   Use the default protocol providers

   If this option is not selected, do not perform any more of the steps in this task.

2. Specify a new value for the property...

   Discovery period

3. Click OK and then click Review.

4. Select Synchronize changes with nodes, and then click Save.

5. Restart all members of the core group.

After the servers restart, the core group members all run with the new Discovery Protocol setting.

For mixed cell environments

For mixed cell environments with V7.0 and V6.x processes, continue to use the core group custom property...

IBM_CS_UNICAST_DISCOVERY_INTERVAL_SECS

...to adjust how frequently the default Discovery Protocol attempts to open a new network. To set, go to...

Servers | Core Groups | Core group settings | core_group_name | Additional Properties | Custom properties | New

 

Related

Discovery and failure detection settings
Core groups (high availability domains)
Core group discovery and failure detection protocols
Core group protocol versions
Set up a high availability environment