问题描述：先启动备库rac时，集群日志出现CRS-2765告警，集群备库无法打开.
2022-11-28 09:19:26.806:
[crsd(2605)]CRS-2765:Resource 'ora.net1.network' has failed on server 'hisdb4'.
2022-11-28 09:19:26.877:
[crsd(2605)]CRS-2878:Failed to restart resource 'ora.net1.network'
2022-11-28 09:19:26.877:
[crsd(2605)]CRS-2769:Unable to failover resource 'ora.net1.network'.
2022-11-28 09:19:27.886:
[crsd(2605)]CRS-2765:Resource 'ora.net1.network' has failed on server 'hisdb3'.
2022-11-28 09:19:28.066:
[crsd(2605)]CRS-2878:Failed to restart resource 'ora.net1.network'
2022-11-28 09:19:28.066:
[crsd(2605)]CRS-2769:Unable to failover resource 'ora.net1.network'.
2022-11-28 09:19:33.697:
[crsd(2605)]CRS-2765:Resource 'ora.hisdb3.vip' has failed on server 'hisdb3'.
2022-11-28 09:19:33.697:
[crsd(2605)]CRS-2771:Maximum restart attempts reached for resource 'ora.hisdb3.vip'; will not restart.
2022-11-28 09:19:34.136:
[crsd(2605)]CRS-2765:Resource 'ora.hisdb4.vip' has failed on server 'hisdb4'.
2022-11-28 09:19:34.136:
[crsd(2605)]CRS-2771:Maximum restart attempts reached for resource 'ora.hisdb4.vip'; will not restart.
2022-11-28 09:19:34.588:
[crsd(2605)]CRS-2765:Resource 'ora.scan1.vip' has failed on server 'hisdb3'.
2022-11-28 09:19:34.588:
[crsd(2605)]CRS-2771:Maximum restart attempts reached for resource 'ora.scan1.vip'; will not restart.
2022-11-28 09:20:11.623:
[crsd(2605)]CRS-2765:Resource 'ora.LISTENER_SCAN1.lsnr' has failed on server 'hisdb3'.
说明：重启集群备库两个节点系统后，以上告警不再出现.
