IBM Support

Steps to disjoin and rejoin all TIP nodes in an (HA) cluster

Question & Answer


Question

What commands should be executed to disjoin/remove and rejoin/add all TIP servers in a loadbalancing cluster?

Cause

In the course of investigating or resolving a problems IBM Support may indicate a need to temporarily remove all TIP servers from the TIP loadbalacing/high availability cluster.

Answer

To disjoin all TIP servers from the HA cluster:

1. Stop all TIP servers

2. On all but one of the TIP servers in your HA cluster execute the disjoin command below:

Navigate to $TIPHOME/profiles/TIPProfile/bin/ha
Execute:
../ws_ant.sh -f uninstall.ant disjoin -Dusername=dbuser -Dpassword=dbpass

On the last TIP server execute the command:

../ws_ant.sh -f uninstall.ant uninstall -Dusername=dbuser -Dpassword=dbpass

Note: The "uninstall" flag does not affect the TIP installation. This flag drops the tables in the
db2 database which contain HA information. These tables will be recreated when the HA
cluster is restablished.

3. Start all TIP nodes

To rejoin all nodes:

  1. Stop all TIP servers.
  2. Run the following command on each TIP server

    Navigate to: $TIPHOME/profiles/TIPProfile/bin/ha

    Execute:
    ../ws_ant.sh -f install.ant configHA -Dusername=dbuser -Dpassword=dbpass
  3. Restart all TIP servers

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Document Information

Modified date:
17 June 2018

UID

swg21687056

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