1.1 Introduction1.2 Geographic Logical Volume Manager concepts1.2.1 Summary1.2.2 Remote physical volume1.2.3 AIX LVM Mirror Pools1.2.4 Replication modes1.2.5 I/O paths for GLVM replication1.2.6 GLVM operation1.2.7 GLVM standalone1.2.8 GLVM resource requirements1.2.9 Planning for GLVM1.2.10 Recommendations1.2.11 Resource monitoring for planning purposes1.3 GLVM monitoring and tuning recommendations1.3.1 Tuning the environment1.3.2 Tuning GLVM by using the rpvutil command1.4 Performance analysis1.4.1 AIX disk subsystem and network tunables1.4.2 AIX GLVM RPV tunables1.4.3 Analyzing I/O rates for different configurations1.5 Initial setup1.5.1 Network-based disk seeding1.5.2 Lift and shift method1.5.3 Example GLVM setup: Two sites and one PV at each site1.5.4 Setup guidance1.5.5 Changing GLVM mirroring modes1.5.6 Useful lsglvm command options1.6 Maintenance tasks1.6.1 Changing sites1.6.2 Data divergence1.6.3 Site divergence or split brain1.6.4 Setting preferred read to local disks for standalone1.6.5 Starting the GMVG and mounting the file systems1.6.6 Unmounting the file systems and deactivating the GMVG1.6.7 Recovering from a failed cache LV1.6.8 Replacing a failed cache-logical volume1.6.9 Recovering on the same site (asynchronous mode)1.6.10 Changing the size of the cache1.6.11 Troubleshooting
