How Can I Change the IP Addresses of the MDC replication plane?

1.Change the IP addresses of the MDC replication plane of each DC. For details, see How Can I Change the IP Addresses of UDS Planes in HUAWEI OceanStor UDS Massive Storage System V100R002C01 Software Installation Guide.
2.Modify the configuration of the VPN device in each DC. For details, refer to the product document of the VPN device.
3.Whether the IP addresses of the MDC replication plane of the GSDC or CDC have been changed?

If yes, perform Step 4.
If no, no further action is required.

4.Log in to the active OMS of the GADC using PuTTY.
Log in as user opadmin using the floating management IP address. Then, run su - root to switch to the root account.

5.Run TMOUT=0 to prevent PuTTY from exiting in a timeout scenario.
6.Run cd /opt/obs/scripts/mdc/scripts to go to the /opt/obs/scripts/mdc/scripts directory.
7.Run the following command to complete changing the IP addresses of the MDC replication plane. Communication among DCs recovers.

sh modifyReplicationAddresses.sh (DC ID) (Floating MDC IP address) (MDC replication IP address of the active OMS) (MDC replication IP address of the standby OMS)

For example: sh modifyReplicationAddresses.sh UDS_DCD4B110B171022014022506000 192.168.10.1 192.168.10.2 192.168.10.3
The following command output is displayed:
modify replication network success!

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