id-ref
instead of an id.
<rsc_location id="WebServer-connectivity" rsc="Webserver"> <rule id="ping-prefer-rule" score-attribute="pingd" > <expression id="ping-prefer" attribute="pingd" operation="defined"/> </rule> </rsc_location>
Esempio 9.8. Referenziare regole da altre constraint
<rsc_location id="WebDB-connectivity" rsc="WebDB"> <rule id-ref="ping-prefer-rule"/> </rsc_location>
Importante
rule
esiste da qualche parte. Cercare di aggiungere una referenza ad una regola inesistente provocherà problemi nella validazione, in quanto seguirà un tentativo di rimuovere una rule
referenziata altrove.
meta_attributes
and instance_attributes
as illustrated in the example below:
Esempio 9.9. Referencing attributes, options, and operations from other resources
<primitive id="mySpecialRsc" class="ocf" type="Special" provider="me"> <instance_attributes id="mySpecialRsc-attrs" score="1" > <nvpair id="default-interface" name="interface" value="eth0"/> <nvpair id="default-port" name="port" value="9999"/> </instance_attributes> <meta_attributes id="mySpecialRsc-options"> <nvpair id="failure-timeout" name="failure-timeout" value="5m"/> <nvpair id="migration-threshold" name="migration-threshold" value="1"/> <nvpair id="stickiness" name="resource-stickiness" value="0"/> </meta_attributes> <operations id="health-checks"> <op id="health-check" name="monitor" interval="60s"/> <op id="health-check" name="monitor" interval="30min"/> </operations> </primitive> <primitive id="myOtherlRsc" class="ocf" type="Other" provider="me"> <instance_attributes id-ref="mySpecialRsc-attrs"/> <meta_attributes id-ref="mySpecialRsc-options"/> <operations id-ref="health-checks"/> </primitive>