Implementing high-availability

In the section, we will cover the technical aspects of the implementation of various solutions to create working high-available setup. This are technical howto's covering some particular aspect(s) of the software in use, to achieve a given goal.

All the pratical howto's in this section are based on the following software :
  • Distribution: CentOS 6 64 bits

  • Other repositories in use : EPEL, RPMforge

  • Pacemaker: version 1.1.2-7 from CentOS base

  • OpenAIS: version 1.1.1-6 from CentOS base

  • DRBD: version 8.4.0-31 (RPM from

  • iSCSI target: RPM scsi-target-utils-1.0.4-3.el6_0.1.x86_64 from CentOS base

  • OpenLDAP 2.4.19 from CentOS Base