cluvfy comp dns

Use the cluvfy comp dns component verification command to verify that the Grid Naming Service (GNS) subdomain delegation has been properly set up in the Domain Name Service (DNS) server.

Note:

Oracle does not support this command on Windows.

Syntax

cluvfy comp dns -server -___domain gns_sub_domain -vipaddress gns_vip_address [-port dns_port]
  [-method {sudo -user user_name [-___location directory_path] | root}] [-verbose]

cluvfy comp dns -client -___domain gns_sub_domain -vip gns_vip [-port dns_port]
  [-last] [-method {sudo -user user_name [-___location directory_path] | root}] [-verbose]

Parameters

Table A-10 cluvfy comp dns Command Parameters

Parameter Description 
-server

Start a test DNS server for the GNS subdomain that listens on the ___domain specified by the -___domain option.

 
-client

Validate connectivity to a test DNS server started on a specific address. You must specify the same information you specified when you started the DNS server.

 
-___domain gns_sub_domain

The GNS subdomain name.

 
-vipaddress gns_vip_address

GNS virtual IP address in the form {ip_name | ip_address}/net_mask/interface_name. You can specify either ip_name, which is a name that resolves to an IP address, or IP_address, which is an IP address. Either name or address is followed by net_mask, which is the subnet mask for the IP address, and interface_name, which is the interface on which to start the IP address.

 
-vip gns_vip

GNS virtual IP address, which is either a name that resolves to an IP address or a dotted decimal numeric IP address.

 
-port dns_port

The port on which the test DNS server listens. The default port is 53.

 
-last

Send a termination request to the test DNS server after all the validations are complete.

 
-method {sudo -user user_name
 [-___location directory_path] | root}

Specify whether the privilege delegation method is sudo or root, for root user access. If you specify sudo, then you must specify the user name to access all the nodes with root privileges and, optionally, provide the full file system path for the sudo executable.

 
-verbose

CVU prints detailed output.

Usage Notes

  • You must run this command as root.

  • Run cluvfy comp dns -server on one node of the cluster.

  • Run cluvfy comp dns -client on each node of the cluster to verify DNS server setup for the cluster.

  • On the last node, specify the -last option to terminate the cluvfy comp dns -server instance.

  • Do not run this command while the GNS resource is online.