PRIMECLUSTER Installation and Administration Guide 4.5

I.3.1 Required Operations for Live Migration

This section describes the required operations for Live Migration in RHOSP environment.

Note

• The cluster system is not failed over during Live Migration.

• Do not perform Live Migration during a failover of cluster system.

I.3.1.1 Required Operations before Live Migration

Perform the following operations before Live Migration in RHOSP environment:

1. Stopping the shutdown facility

   Execute the following command on all the nodes to stop the shutdown facility.

   # sdtool -e

2. Changing time to detect CF heartbeat timeout

   On all the nodes, change the time to detect CF heartbeat timeout to 600 seconds.

   For more information on the settings, refer to "11.3.1 Changing Time to Detect CF Heartbeat Timeout."

I.3.1.2 Required Operations after Live Migration

Perform the following operations after Live Migration in RHOSP environment:

1. Changing time to detect CF heartbeat timeout

   On all the nodes, reset the time to detect CF heartbeat timeout to 10 seconds.

   For more information on the settings, refer to "11.3.1 Changing Time to Detect CF Heartbeat Timeout."

2. Starting the shutdown facility

   Execute the following command on all the nodes to start the shutdown facility.

   # sdtool -b

3. Checking the status of the shutdown facility

   Execute the following command on all the nodes and make sure that the shutdown facility operates normally.

   # sdtool -s