RAC查看、修改心跳超时 [grid@luciferdb03:~]$ crsctl get css misscount CRS-4678: Successful get misscount 30 for Cluster Synchronization Services. [grid@luciferdb03:~]$ crsctl set css misscount 60 CRS-4684: Successful set of parameter misscount to 60 for Cluster Synchronization Services.