Prerequisites

The following prerequisites must be fulfilled to successfully integrate xiRAID Classic 4.1.0 into an existing two-node Pacemaker cluster:
  1. The Pacemaker cluster software is installed and configured to run on two nodes.
  2. Fencing (STONITH) is configured in the cluster.
  3. Nodes in the cluster meet the requirements outlined in thexiRAID Classic Software Requirements document.
  4. The Pacemaker cluster manager version is 2.1.6 or later.
  5. The firewall on both nodes is configured in a way that allows nodes to communicate with each other.
  6. The time is synchronized across all the cluster nodes.
  7. Disks that will be used to create xiRAID RAID(s) are accessible to both nodes in the cluster.
  8. The jq package (command-line JSON processor) version 1.6 or later is installed on both nodes. Execute the following command to install the jq package:

    1. RHEL and RHEL-based systems:

      # yum install jq
    2. Oracle Linux:
      # dnf install jq
Warning:

It is crucial that all of the preprequisites above are fulfilled before you proceed to the next section.