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10.2.7.2. Using Promotable Clone Resources in Colocation Sets

Table 10.5. Additional colocation set options relevant to promotable clone resources

FieldDefaultDescription
role
Started
The role that all members of the set must be in. Allowed values: Started, Master, Slave.
In the following example B's master must be located on the same node as A's master. Additionally resources C and D must be located on the same node as A's and B's masters.

Example 10.7. Colocate C and D with A’s and B’s master instances

<constraints>
    <rsc_colocation id="coloc-1" score="INFINITY" >
      <resource_set id="colocated-set-example-1" sequential="true" role="Master">
        <resource_ref id="A"/>
        <resource_ref id="B"/>
      </resource_set>
      <resource_set id="colocated-set-example-2" sequential="true">
        <resource_ref id="C"/>
        <resource_ref id="D"/>
      </resource_set>
    </rsc_colocation>
</constraints>