Manually remove a failed node (node3) from an existing cluster configuration and clean up its references. Provide detailed steps.
Configure fencing with fence_vmware_rest to ensure automated node recovery in case of failures. Provide a step-by-step guide.
Configure a DRBD (Distributed Replicated Block Device) resource in a High-Availability Cluster for shared storage replication. Provide a step-by-step guide.
Simulate a failover scenario for an active cluster resource and verify its recovery. Provide detailed steps.
Configure crm_mon to provide real-time monitoring and notifications of cluster events. Provide a step- by-step guide.A. See the Explanation for Solution. Explanation: 1. Enable real-time monitoring in the background: sudo crm_mon -1 -Af -w 2. Configure automatic logging to a file: sudo crm_mon -1 -Af -w -L /var/log/cluster_monitor.log 3. Enable email notifications for critical cluster events: sudo pcs resource create mail_alert ocf:heartbeat:mail_notify \ email="admin@example.com" 4. Verify cluster event logging: cat /var/log/cluster_monitor.log
Question: 01 Install the required packages for GFS2 on all cluster nodes.
