| Title and Copyright Information |
| About This Manual |
| Audience |
| Organization |
| Related Documents |
| Reader's Comments |
| Conventions |
| 1 | Technical Overview |
| 1.1 | The Role of a Cluster Interconnect |
| 1.2 | Controlling Storage Traffic Across the Cluster Interconnect |
| 1.3 | Controlling Application Traffic Across the Cluster Interconnect |
| 1.4 | Controlling Cluster Alias Traffic Across the Cluster Interconnect |
| 1.5 | Effect of Cluster Size on Cluster Interconnect Traffic |
| 1.6 | Selecting a Cluster Interconnect |
| 2 | Hardware Configuration |
| 2.1 | Configuration Guidelines |
| 2.2 | Supported LAN Interconnect Configurations |
| 2.2.1 | Two Cluster Members Directly Connected by a Single Crossover Cable |
| 2.2.2 | Cluster Using a Single Ethernet Switch |
| 2.2.3 | Cluster Using Fully Redundant LAN Interconnect Hardware |
| 2.2.4 | Clustering AlphaServer DS10L Systems |
| 3 | Software Installation |
| 3.1 | Preparation |
| 3.1.1 | Obtain the Device Names of the Network Adapters |
| 3.1.2 | Obtain IP Names and IP Addresses for Each Member's Cluster Interconnect |
| 3.2 | Create a Single-Member Cluster |
| 3.3 | Add Members |
| 4 | Cluster Administration |
| 4.1 | Configuring a NetRAIN Virtual Interface for a Cluster LAN Interconnect |
| 4.2 | Tuning the LAN Interconnect |
| 4.2.1 | Improving Cluster Interconnect Performance by Setting Its ipmtu Value |
| 4.3 | Obtaining Network Adapter Configuration Information |
| 4.4 | Monitoring LAN Interconnect Activity |
| 4.5 | Migrating from Memory Channel to LAN |
| 4.6 | Migrating from LAN to Memory Channel |
| 4.7 | Troubleshooting |
| 4.7.1 | Booting Member Joins Cluster But Appears to Hang Before Reaching Multi-User Mode |
| 4.7.2 | Booting Member Hangs While Trying to Join Cluster |
| 4.7.3 | Booting Member Panics with "ics_broadcast_setup" Message |
| 4.7.4 | Booting Member Displays "ifconfig ioctl (SIOCIFADD): Function not implemented: nr0" Message |
| 4.7.5 | Many Broadcast Errors on Booting or Booting New Member Panics Existing Member |
| 4.7.6 | Cannot Manually Fail Over Devices in a NetRAIN Virtual Interface |
| 4.7.7 | Applications Unable to Map to Port |
| A | Configuring Switches for a Highly Available LAN Interconnect |
| A.1 | Link Aggregation |
| A.2 | Link Resiliency |
| A.3 | Spanning Tree Protocol (STP) |
| B | Installation Examples |
| B.1 | clu_create Log |
| B.2 | clu_add_member Log |
| C | Cluster Interconnect /etc/sysconfigtab Attributes Set by clu_create and clu_add_member |
| Examples |
| B-1 | Sample clu_create Log File |
| B-2 | Sample clu_add_member Log File |
| Figures |
| 2-1 | Two Cluster Members Directly Connected by a Single Crossover Cable |
| 2-2 | Three-Member Cluster Using a Single Ethernet Switch |
| 2-3 | Recommended Fully Redundant LAN Interconnect Configuration Using Link Aggregation or Link Resiliency |
| 2-4 | Recommended Fully Redundant LAN Interconnect Configuration Using the Spanning Tree Protocol |
| 2-5 | Nonrecommended Redundant LAN Interconnect Configuration |
| 2-6 | Low-End AlphaServer DS10L Cluster |
| 2-7 | Cluster Including Both AlphaServer DS10L and AlphaServer ES40 Members |
| 3-1 | Cluster Virtual Network and Physical Communication Channel |
| Tables |
| 1-1 | Comparison of Memory Channel and LAN Interconnect Characteristics |
| C-1 | Cluster Interconnect /etc/sysconfigtab Attributes Set by clu_create and clu_add_member |
| Index |