For an illustration of how DNS maps a client to a cluster, see DNS Mapping of a Client to a Cluster.
For more information, see the nsupdate(1M) man page.
> update delete lhost-nfsrg-prim A > update delete lhost-nfsrg-sec A > update delete ipaddress1rev.in-addr.arpa ttl PTR lhost-nfsrg-prim > update delete ipaddress2rev.in-addr.arpa ttl PTR lhost-nfsrg-sec
The IP address of the primary cluster, in reverse order.
The IP address of the secondary cluster, in reverse order.
The time to live, in seconds. A typical value is 3600.
Map the primary logical hostname to the IP address of the secondary cluster and map the secondary logical hostname to the IP address of the primary cluster.
> update add lhost-nfsrg-prim ttl A ipaddress2fwd > update add lhost-nfsrg-sec ttl A ipaddress1fwd > update add ipaddress2rev.in-addr.arpa ttl PTR lhost-nfsrg-prim > update add ipaddress1rev.in-addr.arpa ttl PTR lhost-nfsrg-sec
The IP address of the secondary cluster, in forward order.
The IP address of the primary cluster, in forward order.