Hi Mallibi and Yogesh,
For Content Server topics, please use the content Server SCN page:
Enterprise Content Management (SAP ECM)
In this case, you can access the documentation from:
Chooose Products, SAP NetWeaver, SAP Content Server, Resources.
-> SAP Content Server high availability
https://websmp209.sap-ag.de/~sapidb/011000358700000806812013E/HighAvailabality.pdf
Best Regards,
Luis Darui