Specifying Resource Failback Nodes (Resource Stickiness) - Novell SUSE LINUX ENTERPRISE SERVER 10 SP2 HEARTBEAT Manual

10 Conditional: If you want to specify additional failover nodes for a resource,
4.5 Specifying Resource Failback
A resource will automatically fail back to its original node when that node is back online
and in the cluster. If you want to prevent a resource from failing back to the node it was
running on prior to a failover, or if you want to specify a different node for the resource
to fail back to, you must change its resource stickiness value. You can specify resource
stickiness when you are creating a resource, or after.
To specify resource stickiness for a resource after it has been created:
1 Start the HA Management Client and log in to the cluster as described in
2 Select the desired resource or group, click the Attributes tab, then click Add At-
3 In the Name field, type resource_stickiness.
4 In the Value field, specify a value between -100,000 and 100,000.
Consider the following when specifying a resource stickiness value:
34 Heartbeat
6 If you need to modify the score, select the added constraint in the left pane of
the main window and enter a new Score value in the Attributes section in the
right pane.
7 On the left side of the page, select the resource constraint you just created and
click Add Expression.
8 Select #uname as the Attribute, eq as the Operation, and the server name of
the failover node as the Value.
9 Click OK, then click Apply to save your changes.
create additional location constraints by performing
Step 9 (page 34) for each constraint.
Nodes (Resource Stickiness)
tion 4.1, "Graphical HA Management Client"
tribute.
Step 1 (page 33) through
(page 29).
Sec-