RAC installation SCAN nslookup fails
Oracle 19c grid
[root@ol7-orcl19c-rac1 rpm]# nslookup ol7-orcl19c-scan
Server: 127.0.0.1
Address: 127.0.0.1#53
Name: ol7-orcl19c-scan
Address: 192.168.1.14
Name: ol7-orcl19c-scan
Address: 192.168.1.15
Name: ol7-orcl19c-scan
Address: 192.168.1.12
** server can't find ol7-orcl19c-scan: REFUSED
same scan address with .localdomain is a success what is wrong?
[root@ol7-orcl19c-rac1 rpm]# nslookup ol7-orcl19c-scan.localdomain
Server: 127.0.0.1
Address: 127.0.0.1#53
Name: ol7-orcl19c-scan.localdomain
Address: 192.168.1.14
Name: ol7-orcl19c-scan.localdomain
Address: 192.168.1.15
Name: ol7-orcl19c-scan.localdomain
Address: 192.168.1.12
Because of this grid installation is failing with the following error
[INS-40719] IP address configured for Single Client Access Name (SCAN): ol7-orcl19c-scan.localdomain is already assigned to another system.