| Title and Copyright Information |
| About This Manual |
| Audience |
| New and Changed Features |
| Organization |
| Related Documents |
| Reader's Comments |
| Conventions |
| 1 | Introduction to TruCluster Server |
| 1.1 | New or Changed Features for Version 5.1A |
| 1.2 | TruCluster Server Features |
| 2 | Clusterwide File Systems, Storage, and Device Names |
| 2.1 | Supported File Systems |
| 2.2 | Cluster File System |
| 2.3 | Device Request Dispatcher |
| 2.4 | CFS and Device Request Dispatcher FAQ |
| 2.4.1 | CFS, I/O, and the Cluster Interconnect |
| 2.4.2 | AdvFS Requested Block Caching |
| 2.4.3 | The Device Request Dispatcher and File Opens |
| 2.4.4 | Relocating the CFS server |
| 2.5 | Context-Dependent Symbolic Links |
| 2.6 | Device Names |
| 2.7 | Worldwide ID |
| 2.8 | Clusters and the Logical Storage Manager |
| 3 | Connection Manager |
| 3.1 | Quorum and Votes |
| 3.1.1 | What Is a Cluster Member? |
| 3.1.2 | Node Votes |
| 3.1.3 | Quorum Disk Votes |
| 3.1.4 | Expected Votes |
| 3.1.5 | Current Votes |
| 3.2 | Calculating Cluster Quorum |
| 3.3 | Using a Quorum Disk |
| 4 | Highly Available Applications |
| 5 | Cluster Application Availability |
| 5.1 | Overview |
| 5.2 | CAA Architecture |
| 5.3 | Resources |
| 5.4 | Resource Profiles |
| 5.4.1 | Application Resource Profiles |
| 5.4.2 | Nonapplication Resource Profiles |
| 5.5 | Action Scripts |
| 6 | Cluster Alias |
| 6.1 | Overview |
| 6.2 | Cluster Alias Subsystem Components |
| 6.3 | The Default Cluster Alias |
| 6.4 | The Number of Aliases per Cluster |
| 6.5 | The Location of Alias IP Addresses |
| 6.6 | Routing for Alias IP Addresses |
| 6.6.1 | Advertising Routes to Aliases |
| 6.6.2 | Routing for Aliases on Common Subnets |
| 6.6.3 | Routing for Aliases on Virtual Subnets |
| 6.6.4 | Summary of Routing for Aliases on Common and Virtual Subnets |
| 6.6.5 | Accepting and Redirecting Packets and Connection Requests Addressed to an Alias |
| 6.6.6 | Routing Example |
| 6.7 | in_single and in_multi Services |
| 6.8 | Alias Attributes |
| 6.9 | Service Port Attributes |
| 6.10 | vMAC Support |
| 6.11 | NFS and Cluster Aliases |
| 6.11.1 | Getting Packets Off the Network |
| 6.11.2 | Mount Requests |
| 6.11.3 | NFS over TCP |
| 6.11.4 | NFS over UDP |
| 6.12 | RPC Services and Cluster Aliases |
| 6.13 | ifconfig Aliases and Cluster Aliases |
| 7 | Cluster Interconnect |
| 7.1 | LAN Interconnect |
| 7.2 | Memory Channel Interconnect |
| 8 | Distributed Lock Manager |
| 9 | Cluster Installation and Administration |
| 9.1 | Installation |
| 9.2 | Administration |
| Glossary |
| Figures |
| 2-1 | Storage Software Layering in a Cluster |
| 2-2 | A Cluster's View of Hardware |
| 2-3 | CFS Makes File Systems Available to All Cluster Members |
| 2-4 | CDSL Pathname Resolution |
| 3-1 | Two-Member deli Cluster Without a Quorum Disk |
| 3-2 | Two-Member deli Cluster with Quorum Disk Survives Member Loss |
| 5-1 | Application Failover with CAA |
| 5-2 | CAA Architecture |
| 6-1 | Client's View of a Cluster With and Without Cluster Alias |
| 6-2 | Cluster Alias Functional Overview |
| 6-3 | Cluster Using Two Aliases |
| 6-4 | Alias Routing Example |
| 6-5 | in_single Service Accessed Through Default Cluster Alias |
| 6-6 | in_multi Service Accessed Through Default Cluster Alias |
| 6-7 | NFS over TCP |
| 6-8 | NFS over UDP |
| 7-1 | Memory Channel Logical Diagram |
| Tables |
| 1-1 | Features in the TruCluster Server Version 5.1A Product |
| 2-1 | File Systems Supported in a Cluster |
| 2-2 | Examples of New Device Names |
| 6-1 | Summary of Routing for Aliases on Common and Virtual Subnets |
| Index |