You can install XCO in a multi-node cluster for high availability.
The following is an example of multi-node deployment of XCO using Single CLI:
source deployment.sh -I --deploy-suite fabric --deploy-type multi-node --peer-node-ip 10.32.85.114 --virtual-ipv4 10.32.85.119 Checking for EFA Stack... Deployment mode is normal Verifying connectivity to 10.32.85.114... 10.32.85.114 server is reachable... You have entered: - a multi-node EFA installation - of 3.4.0 build 781 - with IP Stack ipv4 - with suites: Fabric Automation - with peer 10.32.85.114 - and with VIP 10.32.85.119 Verifying system requirements Verifying system requirements on all nodes Checking ports on all nodes... Checking required ports availability on 10.32.85.111 10.32.85.114... All required ports are available Completed verification of ports on all nodes Checking system configuration on 10.32.85.111 10.32.85.114... Ensuring machine clocks are in sync Verifying clocks are approximately in sync Checking default gateway reachability on all nodes... Completed verification of default gateway reachability on all nodes Ensuring peer hostnames are unique Verifying unique hostname between nodes Hostnames are unique Ensuring compatible OS version Verifying Operating System between nodes Operating system of all nodes are same Ensuring networking components are ready Installing software dependencies Started installing helm Installing database migrate client Installing glusterfs filesystem software Installing glusterfs 9.6... GlusterFS Installation Success Install utilities Generating certificates Creating clustered filesystem Configuring glusterfs volumes Mounting efa volumes for replication to start Mounting gluster units Done with mounting of glusterfs efa volumes on nodes Completed configuring glusterfs Setting up EFA database Installing and configuring mariadb server for HA... Removing previous mysql installation... Installing perl dependency for database use Installing database client Installing database server Installing mariadb server... MariaDB Installation Success Configuring database server Completed installing and configuring mariadb Set expected cluster size Verify mariadb external datastore on nodes Completed configuring mariadb galera cluster Setting up keepalived for cluster virtual IP Setting up multiaccess networks Configuring keepalived on nodes Temporarily stopping keepalived on nodes Configuring nodes to form the cluster Verifying if monitor service is running on 10.32.85.111 10.32.85.114... Installing k3s container orchestration Installing EFA container images Unpacking images of EFA on 10.32.85.111 10.32.85.114... Installing coredns service Installing host authentication service Verifying if host authentication service is running on 10.32.85.111 10.32.85.114... Configuring EFA container services Setting up OS user for EFA Generating Unix user for EFA use Waiting for k3s DNS Verifying if k3s services are running on 10.32.85.111 10.32.85.114... Ensuring database schema at latest version Completed Database migration for inventory Completed Database migration for fabric Completed Database migration for tenant Completed Database migration for notification Completed Database migration for vcenter Completed Database migration for hyperv Completed Database migration for openstack Completed Database migration for rbac Completed Database migration for auth Completed Database migration for system Completed Database migration for snmp Completed Database migration for policy Completed Database migration for faultmanager Completed Database migration for evm Completed Database migration for monitoring Completed Database migration for raslog Successfully finished database migration Time taken to migrate database is 54 seconds Starting EFA services Saving EFA user information for this node (efa)... Installing replication components Waiting for EFA containers to start Waiting for EFA services Extreme Fabric Automation Stack is now deployed and ready. (efa)sbr@efa1:~/builds/3.4.0/efa$ k3s kubectl get pods -n efa NAME READY STATUS RESTARTS AGE efa-api-docs-rkc2w 1/1 Running 0 11m ui-service-8q299 1/1 Running 0 11m gosnmp-service-wkbbn 1/1 Running 0 10m goopenstack-service-jq4f7 1/1 Running 0 10m rabbitmq-r2jz5 1/1 Running 1 (11m ago) 11m gosystem-service-9pl9h 1/1 Running 0 11m gonotification-service-f5xk9 1/1 Running 0 11m goinventory-service-5k7tf 1/1 Running 0 11m goauth-service-4tjj6 1/1 Running 0 11m gorbac-service-h9jtm 1/1 Running 0 11m gofaultmanager-service-wrt25 1/1 Running 0 11m govcenter-service-x2rcm 1/1 Running 0 10m gohyperv-service-jmqbc 1/1 Running 0 10m goraslog-service-brcpc 1/1 Running 0 11m gofabric-service-g27c4 1/1 Running 0 11m gopolicy-service-6l79t 1/1 Running 0 11m gotenant-service-h8tp2 1/1 Running 0 11m (efa)sbr@efa1:~/builds/3.4.0/efa$ efa status +-----------+---------+--------+--------------+ | Node Name | Role | Status | IP | +-----------+---------+--------+--------------+ | efa1 | active | up | 10.32.85.111 | +-----------+---------+--------+--------------+ | efa2 | standby | up | 10.32.85.114 | +-----------+---------+--------+--------------+ --- Time Elapsed: 5.293435458s ---