Choose a site that contains the database you are configuring, and verify that the site has one or more GC directories.
- Choose a site that contains the Teradata Vantage system you are configuring.
- Run the following commands to identify the GC servers for the site.
dig +tcp -t SRV _ldap._tcp.site_name._sites.gc._msdcs.rootdomain.com
- site_name
- The name of a site that appears on the list of sites generated in step 2 of Finding the Available Sites in the Forest, and that is the location of the Teradata Vantage system you are configuring.
- rootdomain
- The name of the super-domain for the GC found in Finding the Root Domain Name.
The dig command returns output similar to:
; <<>> DiG 9.2.4 <<>> +tcp -t SRV _ldap._tcp.SanDiegoDiv._sites.gc._msdcs.rootdomain.com ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2228 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 5, ADDITIONAL: 9 ;; QUESTION SECTION: ;_ldap._tcp.SanDiegoDiv._sites.gc._msdcs.rootdomain.com. IN SRV ;; ANSWER SECTION: _ldap._tcp.SanDiegoDiv._sites.gc._msdcs.rootdomain.com. 600 IN SRV 0 100 3268 su111.ROOTDOMAIN.COM. _ldap._tcp.SanDiegoDiv._sites.gc._msdcs.rootdomain.com. 600 IN SRV 0 100 3268 sd222.DOMAIN1.COM. _ldap._tcp.SanDiegoDiv._sites.gc._msdcs.rootdomain.com. 600 IN SRV 0 100 3268 sf333.DOMAIN1.COM. ;; AUTHORITY SECTION: _msdcs.rootdomain.com. 86400 IN NS sc111.DOMAIN1.COM. _msdcs.rootdomain.com. 86400 IN NS sd222.DOMAIN1.COM. _msdcs.rootdomain.com. 86400 IN NS se333.DOMAIN1.COM. _msdcs.rootdomain.com. 86400 IN NS sf444.DOMAIN1.COM. _msdcs.rootdomain.com. 86400 IN NS sg666.DOMAIN1.COM. ;; ADDITIONAL SECTION: sh777.TD.TERADATA.COM. 1800 IN A 192.0.2.20 si888.TD.TERADATA.COM. 1800 IN A 192.0.2.21 sj999.TD.TERADATA.COM. 1800 IN A 192.0.2.22 sk121.TD.TERADATA.COM. 1800 IN A 192.0.2.23 sl131.TD.TERADATA.COM. 1800 IN A 192.0.2.24 sm141.TD.TERADATA.COM. 1800 IN A 192.0.2.25 sn151.TD.TERADATA.COM. 1800 IN A 192.0.2.25 so161.TD.TERADATA.COM. 1800 IN A 192.0.2.26 ;; Query time: 16 msec ;; SERVER: ip_address8#53(ip_address8) ;; WHEN: Wed Dec 16 17:17:50 2021 ;; MSG SIZE rcvd: 46
where the ANSWER SECTION lists the GC servers for the site.
- If the ANSWER SECTION contains one or more entries, copy the SRV RR service name for the GC from the QUESTION SECTION, for example, _ldap._tcp.DalsljSDC._sites.gc._nnnn.example.com, to use in Configuring TDGSS.