A short note, after enabling cluster firewall if using drbd9, all connection will be lost. Suggestion is to add in Datacenter -> firewall -> ipset, create ipset drbd9, add ip of all drbd9 nodes. Then in rules, create IN, ACCEPT, make sure the interface is correct, destination +drbd9, leave rest of the fields blank.
Maybe dev team has the complete list of required ports and protocols, or has drbd9 rules yet to be added to standard floating rules?
regards.
Maybe dev team has the complete list of required ports and protocols, or has drbd9 rules yet to be added to standard floating rules?
regards.
