Oracle dataguard does not start after cluster host rebooted

Hi Expert,

In my Lab, i have  Oracle 11g with dataguard enabled intergrated running in   cluster 3.3

in this case, if i tried to restart/reboot cluster host for example at DC site,  only database succefully started  while  dataguard   not automaticly  start by cluster

So I need your advice to review  the following parameter and the advice if another setting need to be  adjusted.

DC SITE

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clrs set -p Dataguard_role=PRIMARY oracle-db-rs

clrs set -p Standby_mode=PHYSICAL oracle-db-rs

DR SITE

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clrs set -p Dataguard_role=STANDBY oracle-db-rs

clrs set -p Standby_mode=PHYSICAL oracle-db-rs

Thank you

jodi