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Modifying Client DNS
After performing a DR switchover, you need to modify the external domain name system (DNS) configuration, so that a unified domain name can be used to access the ManageOne operation plane/OM plane. If an external DNS server is not available, modify the hosts file on the local client.
Procedure
An external DNS server is available
Log in to the external DNS server, change the floating IP address of the LVS node and the floating IP address of the ManageOne OM plane on the DNS server.
- You can obtain the floating IP address of the LVS node by searching for the LVS-Float-IP parameter on the FCD-generated LLD sheet in the DR center deployment LLD xxx_export_all_EN.xlsm.
- You can obtain the floating IP address of the ManageOne OM plane by searching for the ManageOne-OM-Float-IP parameter on the FCD-generated LLD sheet in the DR center deployment LLD xxx_export_all_EN.xlsm.
An external DNS server is not available
- Open the hosts file on your local client.
- For the Windows OS, the path for obtaining the hosts file is C:\Windows\System32\drivers\etc\hosts.
- For the Linux OS, the path for obtaining the hosts file is /etc/hosts.
- Add the following statement to the hosts file:
- LVS_IP indicates the floating IP address of the LVS node. You can obtain it by searching for the LVS-Float-IP parameter on the FCD-generated LLD sheet in the DR center deployment LLD xxx_export_all_EN.xlsm.
- OM_IP indicates the floating IP address of the ManageOne OM plane. You can obtain it by searching for the ManageOne-OM-Float-IP parameter on the FCD-generated LLD sheet in the DR center deployment LLD xxx_export_all_EN.xlsm.
- Global_Suffix indicates the suffix of the external domain name. You can obtain it by searching for the external_global_domain_name parameter on the Basic Parameter sheet in the DR center deployment LLD xxx_export_all_EN.xlsm.
LVS_IP console.Global_Suffix LVS_IP obs.Global_Suffix LVS_IP auth.Global_Suffix LVS_IP docs.Global_Suffix OM_IP oc.Global_Suffix
For example, if the floating IP address of the LVS is 192.168.18.218, the floating IP address of the ManageOne OM plane is 192.168.18.220 and the suffix of the external domain name is type.com, the statements to be added are as follows:
192.168.18.218 console.type.com 192.168.18.218 obs.type.com 192.168.18.218 auth.type.com 192.168.18.218 docs.type.com 192.168.18.220 oc.type.com
- Save the updated hosts file.
