UNIX Virtualization and High Availability

Description

UNIX Virtualization and High Availability course description

This course covers administering UNIX enterprise-wide with an emphasis on virtualization and high availability.

What will you learn

• Manage Virtual Machines.
• Manage containers.
• Manage HA clusters.
• Manage HA cluster storage.

UNIX Virtualization and High Availability course details

UNIX Virtualization and High Availability course contents

• VIRTUALIZATION
• Virtualization concepts and theory

Terminology, Pros and Cons of virtualization, variations of Virtual Machine monitors, migration of physical to VMs, migration of VMs between host systems, cloud computing.

• Xen

Xen architecture, networking and storage, Xen configuration, Xen utilities, troubleshooting Xen installations, XAPI, XenStore, Xen Boot Parameters, the xm utility.

• KVM

KVM architecture, networking and storage, KVM configuration, KVM utilities, troubleshooting KVM installations.

• Other virtualization solutions

OpenVZ and LXC, other virtualization technologies, virtualization provisioning tools.

• Libvirt and Related Tools

libvirt architecture, networking and storage, basic technical knowledge of libvirt and virsh, oVirt.

• Cloud Management Tools

Basic feature knowledge of OpenStack and CloudStack, awareness of Eucalyptus and OpenNebula.

• Containers

Containers versus VMs, Docker, Kubernetes.

• Load balanced clusters

of LVS/IPVS, VRRP, configuration of keepalived, configuration of ldirectord, backend server network configuration. HAProxy, configuration of HAProxy.

• Failover clusters

Pacemaker architecture and components (CIB, CRMd, PEngine, LRMd, DC, STONITHd), Pacemaker cluster configuration, Resource classes (OCF, LSB, Systemd, Upstart, Service, STONITH, Nagios), Resource rules and constraints (location, order, colocation), Advanced resource features (templates, groups, clone resources, multi-state resources), Pacemaker management using pcs, Pacemaker management using crmsh, configuration and management of corosync in conjunction with Pacemaker, other cluster engines (OpenAIS, Heartbeat, CMAN).

• HIGH AVAILABILITY CLUSTER STORAGE
• DRBD/cLVM

DRBD resources, states and replication modes, configuration of DRBD resources, networking, disks and devices, configuration of DRBD automatic recovery and error handling, management of DRBD using drbdadm. drbdsetup and drbdmeta, Integration of DRBD with Pacemaker, cLVM, integration of cLVM with Pacemaker.

• Clustered File Systems

Principles of cluster file systems. Create, maintain and troubleshoot GFS2 file systems in a cluster, create, maintain and troubleshoot OCFS2 file systems in a cluster, Integration of GFS2 and OCFS2 with Pacemaker, the O2CB cluster stack, other commonly used clustered file systems.