Show Table of Contents Hide Table of Contents English 日本語 English 한국어 繁體中文 Multi-page HTML Single-page HTML PDF ePub High Availability Add-On Overview1. High Availability Add-On Overview1.1. Cluster Basics1.2. High Availability Add-On Introduction1.3. Pacemaker Overview1.4. Pacemaker Architecture Components1.5. Pacemaker Configuration and Management Tools2. Cluster Operation2.1. Quorum Overview2.2. Fencing Overview3. Red Hat High Availability Add-On Resources3.1. Red Hat High Availability Add-On Resource Overview3.2. Red Hat High Availability Add-On Resource Classes 3.3. Monitoring Resources3.4. Resource Constraints3.5. Resource GroupsA. Upgrading From Red Hat Enterprise Linux 6 High Availability Add-OnA.1. Overview of Differences Between ReleasesB. Revision HistoryIndexLegal Notice High Availability Add-On Overview Red Hat Enterprise Linux 7Overview of the High Availability Add-On for Red Hat Enterprise Linux 7 Steven LevineRed Hat Customer Content Servicesslevine@redhat.comLegal NoticeAbstract Red Hat High Availability Add-On Overview provides an overview of the High Availability Add-On for Red Hat Enterprise Linux 7. Note To expand your expertise in deploying a Red Hat High Availability cluster, you may be interested in the Red Hat High Availability Clustering (RH436) training course. 1. High Availability Add-On Overview Where did the comment section go?Red Hat's documentation publication system recently went through an upgrade to enable speedier, more mobile-friendly content. We decided to re-evaluate our commenting platform to ensure that it meets your expectations and serves as an optimal feedback mechanism. During this redesign, we invite your input on providing feedback on Red Hat documentation via the discussion platform.