OpenVMS Cluster Systems - OpenVMS Systems - HP

8.2.2 Common AUTOGEN Parameter Files ......................... 8–11
8.2.3 Examples . . . ............................................ 8–11
8.2.4 Adding a Quorum Disk .................................... 8–16
8.3 Removing Computers ......................................... 8–17
8.3.1 Example ................................................ 8–18
8.3.2 Removing a Quorum Disk .................................. 8–19
8.4 Changing Computer Characteristics . ............................ 8–20
8.4.1 Preparation . ............................................ 8–21
8.4.2 Examples . . . ............................................ 8–24
8.5 Creating a Duplicate System Disk . . . ............................ 8–31
8.5.1 Preparation . ............................................ 8–32
8.5.2 Example ................................................ 8–32
8.6 Postconfiguration Tasks . . . .................................... 8–33
8.6.1 Updating Parameter Files .................................. 8–35
8.6.2 Shutting Down the Cluster ................................. 8–36
8.6.3 Shutting Down a Single Node . . . ............................ 8–37
8.6.4 Updating Network Data .................................... 8–37
8.6.5 Altering Satellite Local Disk Labels ........................... 8–38
8.6.6 Changing Allocation Class Values ............................ 8–38
8.6.7 Rebooting . . . ............................................ 8–39
8.6.8 Rebooting Satellites Configured with OpenVMS on a Local Disk . . . . . 8–39
8.7 Running AUTOGEN with Feedback . . ............................ 8–40
8.7.1 Advantages . ............................................ 8–40
8.7.2 Initial Values ............................................ 8–41
8.7.3 Obtaining Reasonable Feedback . ............................ 8–41
8.7.4 Creating a Command File to Run AUTOGEN ................... 8–42
9 Building Large OpenVMS Cluster Systems
viii
9.1 Setting Up the Cluster ........................................ 9–1
9.2 General Booting Considerations ................................ 9–2
9.2.1 Concurrent Booting . . . .................................... 9–2
9.2.2 Minimizing Boot Time . .................................... 9–3
9.3 Booting Satellites ........................................... 9–4
9.4 Configuring and Booting Satellite Nodes .......................... 9–4
9.4.1 Booting from a Single LAN Adapter .......................... 9–5
9.4.2 Changing the Default Boot Adapter ........................... 9–6
9.4.3 Booting from Multiple LAN Adapters (Alpha Only) . . . ........... 9–6
9.4.4 Enabling Satellites to Use Alternate LAN Adapters for Booting . . . . . 9–7
9.4.5 Configuring MOP Service .................................. 9–9
9.4.6 Controlling Satellite Booting ................................ 9–10
9.5 System-Disk Throughput . . .................................... 9–13
9.5.1 Avoiding Disk Rebuilds .................................... 9–14
9.5.2 Offloading Work ......................................... 9–14
9.5.3 Configuring Multiple System Disks .......................... 9–15
9.6 Conserving System Disk Space ................................. 9–17
9.6.1 Techniques . . ............................................ 9–17
9.7 Adjusting System Parameters .................................. 9–17
9.7.1 The SCSBUFFCNT Parameter (VAX Only) . . ................... 9–17
9.7.2 The SCSRESPCNT Parameter . . ............................ 9–18
9.7.3 The CLUSTER_CREDITS Parameter ......................... 9–18
9.8 Minimize Network Instability .................................. 9–19
9.9 DECnet Cluster Alias ........................................ 9–20