| Title and Copyright Information |
| About This Manual |
| Audience |
| Features |
| Organization |
| Related Documentation |
| Reader's Comments |
| Conventions |
| 1 | Introduction to Online Addition and Removal |
| 1.1 | Overview |
| 1.2 | Component Indictment and Automatic Deallocation |
| 1.3 | Online Addition and Removal |
| 1.4 | Service Tools |
| 1.5 | Memory Troller |
| 2 | Availability Considerations |
| 2.1 | Overview |
| 2.2 | Redundancy of Systems and Components for Availability |
| 2.3 | Configuring I/O |
| 2.3.1 | Using Redundant Array of Independent Network (NetRAIN) for Available I/O |
| 2.3.2 | Using Link Aggregation for Available I/O |
| 2.3.3 | Configuring SCSI and Fibre Channel for Multipath Redundancy |
| 2.3.4 | Configuring PCI Drawers |
| 2.3.5 | Using AdvFS and LSM for I/O Availability |
| 2.3.6 | Choosing Hardware or Software RAID for I/O Availability |
| 3 | Component Indictment and Automatic Deallocation |
| 3.1 | Component Indictment |
| 3.1.1 | Indictment Process Overview |
| 3.1.2 | Indictment Events |
| 3.1.3 | Indictment Status |
| 3.1.4 | Indictment Probability and Urgency |
| 3.1.5 | Clearing a Component Indictment |
| 3.2 | Automatic Deallocation of Components |
| 3.2.1 | Automatic Deallocation Policy for CPUs |
| 3.2.2 | Automatic Deallocation Policy for Memory |
| 4 | Online Addition and Removal |
| 4.1 | Overview |
| 4.2 | Reasons for Component OLAR |
| 4.3 | Getting State Information |
| 4.3.1 | Component States and Status |
| 4.3.2 | OLAR Events |
| 4.3.3 | Locating a CPU |
| 4.4 | Cautions Before Performing CPU OLAR Operations |
| 4.5 | Component Removal Procedure |
| 4.5.1 | Taking CPUs Off Line, Removing Power, or Both |
| 4.5.2 | Taking CPUs Off Line, Removing Power, or Both Using SysMan Menu |
| 4.5.3 | Taking CPUs Off Line, Removing Power, or Both Using SysMan Station |
| 4.5.4 | Taking a CPU Off Line Using the hwmgr Command |
| 4.5.5 | Removing Power from CPUs Using the hwmgr Command |
| 4.6 | Component Addition Procedure |
| 4.6.1 | Putting CPUs On Line, Applying Power, or Both |
| 4.6.2 | Putting CPUs On Line, Applying Power, or Both Using SysMan Menu |
| 4.6.3 | Putting CPUs On Line, Applying Power, or Both Using SysMan Station |
| 4.6.4 | Applying Power to CPUs with the hwmgr Command |
| 4.6.5 | Putting a CPU On Line Using the hwmgr Command |
| 4.7 | Monitoring and Managing Components with SysMan Station |
| 5 | Service Tools |
| 5.1 | WEBES Service Applications and SysMan |
| 5.2 | Compaq Analyze (CA) |
| 5.3 | Compaq Crash Analysis Tool (CCAT) |
| 5.4 | Revision & Configuration Management (RCM) |
| 5.5 | The sys_check Tool |
| 5.6 | The collect Tool |
| 5.7 | Service Applications and Monitoring Applications Quick Start |
| 5.7.1 | Recommended Schedule and Use |
| 5.8 | Crash Dump and Save Core Commands |
| 6 | Memory Trolling |
| 6.1 | Overview |
| 6.2 | Enabling, Disabling, and Tuning Memory Trolling |
| 6.2.1 | Understanding the Configuration Messages |
| 6.2.2 | Configuring Accelerated Trolling |
| 6.3 | Controlling the Use of System Resources |
| 6.4 | Understanding Memory Troller Messages |
| 6.4.1 | Informational Messages |
| 6.4.2 | Error Messages |
| 6.5 | Memory Troller Interactions with OLAR |
| Examples |
| 3-1 | CPU Indictment Event |
| 3-2 | Indictment Event (medium probability) |
| 3-3 | Memory Indictment Event |
| Figures |
| 4-1 | Status View |
| 4-2 | Events |
| 4-3 | CPU Properties |
| Tables |
| 3-1 | Indictment Probability |
| 5-1 | Service Applications Quick Applications Start |
| 5-2 | Recommended Schedule and Use |
| Index |