Coordinator Redundancy 156 About the Greenplum Segments 157 Segment Redundancy 158 Segment Failover and Recovery 158 Example Segment Host Hardware Stack 158 Example Segment Disk Layout 159 About the Greenplum Redundancy and Failover in Greenplum Database 178 About Segment Mirroring 178 Segment Failover and Recovery 179 About Coordinator Mirroring 179 VMware Greenplum 7 Documentation VMware by Broadcom 5 About Segment Recovery 886 Segment Recovery Basics 886 Segment Recovery: Flow of Events 887 Rebalancing After Recovery 887 Simple Failover and Recovery Example 888 The Three Types of Segment Recovery 888

Server 148 Cluster Management 148 VMware Greenplum 6 Documentation VMware by Broadcom 3 Disaster Recovery 148 Data Flow 149 Release 6.26.1 149 Zstandard (zstd) Supported Version 149 Query Processing Processing 152 Release 6.25.3 152 Cluster Management 152 Query Processing 153 Server 153 Disaster Recovery 153 Release 6.25.2 154 New and Changed Features 154 Server 154 Cluster Management 154 Resolved Master Redundancy 305 About the Greenplum Segments 305 Segment Redundancy 306 Segment Failover and Recovery 306 Example Segment Host Hardware Stack 307 Example Segment Disk Layout 308 About the Greenplum

6.25 139 Release 6.25.3 139 Cluster Management 139 Query Processing 139 Server 140 Disaster Recovery 140 Release 6.25.2 140 New and Changed Features 140 Server 140 Cluster Management 141 Resolved Master Redundancy 291 About the Greenplum Segments 291 Segment Redundancy 292 Segment Failover and Recovery 292 Example Segment Host Hardware Stack 293 Example Segment Disk Layout 294 About the Greenplum Redundancy and Failover in Greenplum Database 313 About Segment Mirroring 313 Segment Failover and Recovery 314 About Master Mirroring 314 About Interconnect Redundancy 315 About Database Statistics in

Master 236 Master Redundancy 237 The Segments 237 Segment Redundancy 238 Segment Failover and Recovery 238 Example Segment Host Hardware Stack 239 Example Segment Disk Layout 239 The Interconnect Understanding Segment Recovery 533 Understanding Segment Recovery 0 Segment Recovery Basics 534 Segment Recovery: Flow of Events 534 Rebalancing After Recovery 535 Simple Failover and Recovery Example 535 Incremental versus Full Recovery 536 Recovering from Segment Failures 536 Recovering from Segment Failures 0 VMware Greenplum v6.19 Documentation VMware, Inc. 29 Prerequisites 537 Recovery Scenarios 537

Master 229 Master Redundancy 229 The Segments 230 Segment Redundancy 230 Segment Failover and Recovery 231 Example Segment Host Hardware Stack 231 Example Segment Disk Layout 232 The Interconnect Understanding Segment Recovery 524 Understanding Segment Recovery 0 Segment Recovery Basics 525 Segment Recovery: Flow of Events 525 Rebalancing After Recovery 526 Simple Failover and Recovery Example 526 Incremental versus Full Recovery 527 Recovering from Segment Failures 527 VMware Greenplum v6.18 Documentation VMware, Inc. 28 Recovering from Segment Failures 0 Prerequisites 528 Recovery Scenarios 528

Master Redundancy 273 About the Greenplum Segments 273 Segment Redundancy 274 Segment Failover and Recovery 274 Example Segment Host Hardware Stack 275 Example Segment Disk Layout 276 About the Greenplum Redundancy and Failover in Greenplum Database 295 About Segment Mirroring 295 Segment Failover and Recovery 296 About Master Mirroring 296 About Interconnect Redundancy 297 About Database Statistics in Failure 396 Primary Segment Failure 396 Standby Master Failure 397 Master Failure 398 After Host Recovery 399 Best Practices for Greenplum HA 399 Appendix: Grace Period for a Downed Segment 399 Planning

VMware, Inc 11 About the Greenplum Segments 265 Segment Redundancy 266 Segment Failover and Recovery 266 Example Segment Host Hardware Stack 267 Example Segment Disk Layout 268 About the Greenplum Redundancy and Failover in Greenplum Database 284 About Segment Mirroring 284 Segment Failover and Recovery 285 About Master Mirroring 286 About Interconnect Redundancy 286 About Database Statistics in Failure 386 Primary Segment Failure 386 Standby Master Failure 387 Master Failure 388 After Host Recovery 388 Best Practices for Greenplum HA 388 Appendix: Grace Period for a Downed Segment 389 Planning

Master Redundancy 261 About the Greenplum Segments 261 Segment Redundancy 262 Segment Failover and Recovery 262 Example Segment Host Hardware Stack 263 Example Segment Disk Layout 264 About the Greenplum Redundancy and Failover in Greenplum Database 280 About Segment Mirroring 280 Segment Failover and Recovery 281 VMware Tanzu Greenplum 6 Documentation VMware, Inc. 12 About Master Mirroring 282 About Failure 382 Primary Segment Failure 383 Standby Master Failure 383 Master Failure 385 After Host Recovery 385 Best Practices for Greenplum HA 385 Appendix: Grace Period for a Downed Segment 386 Planning

Master Redundancy 237 About the Greenplum Segments 237 Segment Redundancy 237 Segment Failover and Recovery 238 Example Segment Host Hardware Stack 238 Example Segment Disk Layout 239 About the Greenplum Redundancy and Failover in Greenplum Database 254 About Segment Mirroring 254 Segment Failover and Recovery 255 About Master Mirroring 255 VMware Tanzu Greenplum 6 Documentation VMware, Inc 11 About Interconnect Failure 325 VMware Tanzu Greenplum 6 Documentation VMware, Inc 14 Master Failure 326 After Host Recovery 326 Best Practices for Greenplum HA 326 Appendix: Grace Period for a Downed Segment 327 Planning

Master 233 Master Redundancy 234 The Segments 234 Segment Redundancy 235 Segment Failover and Recovery 235 Example Segment Host Hardware Stack 236 Example Segment Disk Layout 237 The Interconnect Segment Recovery 526 Segment Recovery Basics 527 Segment Recovery: Flow of Events 527 Rebalancing After Recovery 528 Simple Failover and Recovery Example 528 Incremental versus Full Recovery 529 Recovering Recovering from Segment Failures 529 Prerequisites 530 Recovery Scenarios 530 Recover In-Place to Current Host 530 Incremental Recovery 530 Full Recovery 531 Recover to A Different Host within the Cluster