Course Outline

Course Outline

HA and cluster concepts

High Availability, downtime, redundancy, single points of failure, what is clustering? Cluster components, Cluster architectures, performance, shared file systems, RAID issues, making applications highly available

Preparing Linux for clustering

Linux hardware components, creating shared filesystems. Hands on: Installing Linux for clustering

Heartbeat

What is heartbeat? Heartbeat versions, obtaining heartbeat, installing heartbeat. Hands on: Installing Heartbeat

Heartbeat configuration

  • ha.cf
  • Configuring the primary system
  • configuring the secondary system. Hands on: Creating clusters

Configuring resources

Resource types, Resource agents, cib.xml, resource groups, constraints. Data access architectures. IO fencing, STONITH. Hands on: Resource configuration

How heartbeat works

Membership, heartbeat messages, authentication. Time. Log files, crm_verify. Hands on: Troubleshooting

Cluster management

Failover methods, failover testing, ipfail, DRBD, verifying shared resources. Hands on: Managing clusters, failover analysis

Highly available network resources

DNS, DHCP, Apache, others. Configuring Heartbeat to control the applications. Hands on: Apache and clusters

Scheduled Dates

  • Location
    Cost
    Duration
    Start Date
     
Virtual Class
  • TBA
    0
    2
    08 Dec 14
  • London (Central)
    • TBA
      0
      2
      29 Dec 14
    • Manchester (Greater)
      • TBA
        0
        2
        16 Mar 15
      • Berkshire
        • TBA
          0
          2
          02 Feb 15
        • Midlands (West)
          • TBA
            0
            2
            05 Jan 15
          • Surrey
            • Redhill
              1167
              2
              18 Dec 14
            • Redhill
              1167
              2
              19 Mar 15
            • Redhill
              1167
              2
              25 Jun 15
            • Onsite
              • Onsite
                0
                2
                Onsite

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