HP StorageWorks 12000 - Virtual Library System EVA Gateway Manual page 6

Echo Copy Concepts ........................................................................................................ 141
Implementation ................................................................................................................ 141
Echo Copy Pools ........................................................................................................ 141
Automigration Policy .................................................................................................. 142
Automigration Setup ................................................................................................... 143
Design Considerations ...................................................................................................... 145
Automigration Use Models .......................................................................................... 145
Sizing the Tape Library ............................................................................................... 147
Restoring from Automigration Media ................................................................................... 148
VLS Accelerated Deduplication ................................................................................................. 148
How it Works .................................................................................................................. 149
Accelerated Deduplication Implementation .......................................................................... 152
Supported Backup Applications and Data Types ............................................................ 153
Deduplication Preparation ........................................................................................... 153
Licensing .................................................................................................................. 154
Migrating your Existing Backup Data ............................................................................ 155
Configuration and Reporting ....................................................................................... 155
Handling the Device Out of Capacity Condition ............................................................ 156
Design Considerations ...................................................................................................... 157
Performance .............................................................................................................. 157
Capacity Sizing ......................................................................................................... 158
Node Oversubscription .............................................................................................. 158
Optimum Record Sizing .............................................................................................. 159
Optimizing File Server Deduplication ........................................................................... 159
Media Management .................................................................................................. 160
Client and Backup Job Naming ................................................................................... 160
Disabling Deduplication on Specific Backup Policies ....................................................... 161
VLS Replication ....................................................................................................................... 161
How it Works .................................................................................................................. 161
Replication of Incremental Backups ............................................................................... 163
Multi-node Replication Scaling .................................................................................... 164
VLS Replication Implementation .......................................................................................... 164
Licensing .................................................................................................................. 164
Replication Preparation ............................................................................................... 165
Replication Setup ....................................................................................................... 166
Implementing the Initialization Process .......................................................................... 172
Reporting ................................................................................................................. 176
Design Considerations ...................................................................................................... 180
Advanced Replication Job Control ................................................................................ 180
Link Sizing ................................................................................................................ 182
Device Sizing ............................................................................................................ 187
VLS Replication Data Recovery Options ............................................................................... 187
Restore Directly from the VLS Target Device .................................................................... 187
Restore the VLS over the LAN/WAN ............................................................................ 189
Rebuilding Source Device and Re-establishing Replication ............................................... 190
Creating Archive Tapes from the Target ......................................................................... 190
VLS Non-deduplicated Replication ............................................................................................ 192
Replicating a Subset of Virtual Cartridges - a Use Case ......................................................... 193
Detailed Backup Application Guidelines for VLS ......................................................................... 194
HP Data Protector ............................................................................................................. 194
Data Protector General Guidelines ............................................................................... 194
Data Protector Deduplication Guidelines ....................................................................... 195
Data Protector Import Example Script ............................................................................ 196
Symantec NetBackup ........................................................................................................ 197
NetBackup General Guidelines ................................................................................... 197
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