新装的oracle 19c grid集群启动报错，日志信息如下：
[root@luda bin]# crsctl start crs
CRS-41053: checking Oracle Grid Infrastructure for file permission issues
PRVH-0112 : Path “/etc/oracle/maps” with permissions “rwxrwxr-x” does not have write permissions for others on node “rac1”.
PRVH-0100 : Restricted deletion flag is not set for path “/etc/oracle/maps” on node “rac1”.
PRVH-0100 : Restricted deletion flag is not set for path “/oracle/19c/grid/crsdata/rac1/shm” on node “rac1”.
PRVG-11960 : Set user ID bit is not set for file “/oracle/19c/19.3.0/grid/bin/jssu” on node “rac1”.
PRVH-0147 : Set group ID bit is not set for file “/oracle/19c/19.3.0/grid/bin/extproc” on node “rac1”.
PRVG-11960 : Set user ID bit is not set for file “/oracle/19c/19.3.0/grid/bin/extjob” on node “rac1”.
PRVG-11960 : Set user ID bit is not set for file “/oracle/19c/19.3.0/grid/bin/oracle” on node “rac1”.
PRVH-0147 : Set group ID bit is not set for file “/oracle/19c/19.3.0/grid/bin/oracle” on node “rac1”.
PRVG-11960 : Set user ID bit is not set for file “/oracle/19c/19.3.0/grid/bin/oradism” on node “rac1”.
CRS-4124: Oracle High Availability Services startup failed.
CRS-4000: Command Start failed, or completed with errors.
检查发现权限有问题，通过增加权限解决
chmod a+s /oracle/19c/19.3.0/grid/bin/extjob
chmod a+s /oracle/19c/19.3.0/grid/bin/oracle
chmod a+s /oracle/19c/19.3.0/grid/bin/oradism
chmod +t /oracle/19c/grid/crsdata/rac1/shm
