HP 12000 HP VLS Solutions Guide Design Guidelines for Virtual Library Systems - Page 5

Combining D2D and VLS in an End-to-end Solution for ROBO/Regional DCs and Main Data Center using HP Data Protector 77 5 Automigration 79 Echo Copy Concepts...79 Implementation...79 Echo Copy Pools...79 Automigration Policy...80 Automigration Setup...81 Design Considerations...83 Automigration Use Models 83 Backup to Non-shared Virtual Libraries 83 Backup to a Shared Virtual Library 84 Sizing the Tape Library...85 Restoring from Automigration Media 85 6 Accelerated Deduplication 87 How it Works...87 Accelerated Deduplication Implementation 91 Supported Backup Applications and Data Types 92 Licensing...92 Migrating your Existing Backup Data 92 Configuration and Reporting 93 Handling the Device Out of Capacity Condition 93 Design Considerations...94 Performance...94 Capacity Sizing...95 Optimum Record Sizing...95 Optimizing File Server Deduplication 95 Media Management...95 Client and Backup Job Naming 96 Disabling Deduplication on Specific Backup Policies 97 Separate Database Full Backups from Incremental Backups 97 7 Replication 98 How it Works...98 Replication of Incremental Backups 99 Multi-node Replication Scaling 100 VLS Replication Implementation 100 Licensing...100 Replication Setup...101 Implementing the Initialization Process 105 Physical Tape Initialization 106 WAN Initialization...107 Co-location Initialization 108 Continuing Role for Physical Tape 109 Reporting...109 Status of LAN/WAN Replication Connection 110 Source Device Replication Status 110 Target Device Replication Status 112 Replication Job Status 112 Replication Job History 112 Design Considerations...113 Advanced Replication Job Control 113 Link Sizing...115 Basic Calculations...116 Contents 5