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HP 12000 HP VLS Solutions Guide Design Guidelines for Virtual Library Systems - Page 154

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10 Support and Other Resources Related Information Documents • HP 9000-series Virtual Library System User Guide • HP 9200 Virtual Library System User Guide • HP 12000 Gateway Virtual Library System User Guide • HP 12200 Gateway Virtual Library System User Guide • HP StorageWorks 6000-series Virtual Library System User Guide • HP Enterprise Backup Solution Design Guide Websites • HP website: http://www.hp.com • HP Enterprise Backup Solutions Overview and Features: http://www.hp.com/go/ebs • HP Sizer: http://www.hp.com/go/storageworks/sizer • HP Data Storage: http://www.hp.com/go/storage • HP Library and Tape Tools: http://www.hp.com/support/tapetools • HP Technical Documentation: http://www.docs.hp.com • HP Partner Locator: http://www.hp.com/service_locator Contacting HP Before you contact HP Be sure to have the following information available before calling HP: • Technical support registration number (if applicable) • Product serial numbers • Product model names and numbers • Applicable error messages • Operating system type and revision level • Detailed, specific questions 154 Support and Other Resources

Section	Page
HP VLS Solutions Guide	1
Contents	3
1 Introduction	8
2 Concepts	9
Disk-based Backup and Virtual Tape Libraries	9
Problems Addressed by Virtual Tape Libraries	9
Integration of Disk in Data Protection Processes	9
Where Virtual Tape Fits in the Big Picture	9
HP VLS and D2D Portfolio	10
Typical VLS Environments	11
Typical D2D Environments	11
What are the Alternatives?	12
Physical Tape	12
NAS	12
Application-based Disk Backup	12
Business Copy	13
Deduplication	14
Introduction	14
HP Deduplication Solutions	14
Deduplication Ratios	15
Target-based Deduplication	16
Tape Oversubscription	16
Replication	17
Introduction to Replication	17
HP Replication Solutions	17
Replication Deployment Options	20
Backup Application Interaction with Replication	22
Replication Limitations	23
3 Backup Solution Design Considerations	24
Analyze the Existing Environment	24
Consider How you Want to Back Up your Data to the VLS	24
Consider How you Want to Copy the Backup Data to an Off-site Location	26
Consider Speed and Ease of the Restore as well as the Backup	26
Single Library vs. Multiple Libraries	26
Single Library	26
Benefits of Single Library Systems	27
Considerations for Single Library Systems	27
Multiple Library	28
Benefits of Multiple Library Systems	28
Multiplexing, Multistreaming, and Multipathing	29
Multiplexing	29
Multistreaming	29
Multipathing	29
Blocksize and Transfer Size	30
LAN-free Backups	30
Retention Planning	30
Future Data Growth	31
Considerations for Copies	31
Copy to Physical Tape through the Backup Application	31
Media Server Considerations	32
Benefits of Copying to Physical Tape through the Backup Application	33
Considerations for Copying to Physical Tape through the Backup Application	33
Copy to Tape using VLS Automigration	33
Benefits of Echo Copy	34
Considerations of Echo Copy	34
Copy to Remote Disk Backup Device using Replication	35
Benefits of Replication	35
Considerations of Replication	35
Creating Archive Tapes from the Replication Target	35
Considerations for Restores	36
Restoring from Disk Backup Device	36
Restoring from Backup Application-created Tape Copy	36
Restoring from the Replication Target	36
Performance Bottleneck Identification	37
Backup SAN Design Guidelines	37
General SAN Design Considerations	37
SAN Zoning	37
Operating System Tape Configuration	38
LUN Masking and Mapping	40
4 VLS Devices	42
VLS Defined	42
Prime Environments	43
VLS Benefits	43
VLS9000–series and VLS9200 Configurations	44
VLS Technical Specifications	45
How it Works	52
VLS Scalability	52
VLS Automatic Performance Load Balancing	54
VLS Warm Failover	55
Implementation	55
Capacity Licensing	55
Virtual Libraries/drives/cartridge Configuration	56
EVA Preparation	57
Storage Pooling	59
VLS9000 Storage Pooling	60
VLS Gateway Storage Pooling	61
VLS Sizing	61
Outlining the Steps	61
Considerations	62
EVA Performance Sizing (VLS12X00 Gateway)	62
Sizing/implementation Examples	63
Example 1 VLS Sizing for Performance and Capacity	63
Example 2 Testing Backup to Tape vs. Backup to VLS	63
Example 3: VLS12000 EVA Sizing Without Deduplication	64
Example 4: VLS12000 EVA Sizing With Deduplication	64
VLS Blueprints	64
Reduce Backup Window (No Deduplication)	65
Large Scale Backup Consolidation (No Deduplication)	66
Managing Data Retention and Reducing Backup Storage Costs	67
Full Enterprise Backup and Disaster Recovery Capability	68
Multi-data Center Replication to a Common Disaster Recovery Site	69
VMWare Backup Environment with ESXi.	71
VMWare Backup Environment with ESX4 and VCB-based Backups	72
Larger VMWare Environment with ESX4 and HP Data Protector ZDB IR Integration with VMWare Consolidated Backup	74
Large Enterprise Cross-site Backup with Deduplication and Inbuilt Disaster Recovery	76
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
Device Sizing	120
VLS Replication Data Recovery Options	120
Restore Directly from the VLS Target Device	120
Restore the VLS over the LAN/WAN	122
Rebuilding Source Device and Re-establishing Replication	123
Rebuilding Target Device and Re-establishing Replication	123
Creating Archive Tapes from the Target	124
ISV Import Email Format	125
Email Processing Example Script	125
8 Non-deduplicated Replication	127
Replicating a Subset of Virtual Cartridges - a Use Case	128
9 VLS Configuration and Backup Application Guidelines	129
SAN Configuration Guidelines	129
Device Configuration Preparation	129
Basic VLS Device Configuration	130
Basic Backup Application Configuration	131
Deduplication Preparation	132
Replication Preparation	133
HP Data Protector	135
HP Data Protector Application Overview	135
Data Protector General Guidelines	136
Data Protector Deduplication Guidelines	137
Data Protector Import Example Script	138
Symantec NetBackup	139
Symantec NetBackup Application Overview	139
NetBackup General Guidelines	140
NetBackup Deduplication Guidelines	140
NetBackup Import Example Script	141
IBM TSM	141
IBM TSM Application Overview	141
TSM General Guidelines	143
TSM Deduplication Guidelines	144
All Firmware Versions	144
Firmware Version 3.4	146
Firmware Version 6.0	147
TSM Useful Queries	147
EMC NetWorker	148
EMC NetWorker Application Overview	148
Networker General Guidelines	149
Networker Deduplication Guidelines	150
Oracle RMAN Scripting	151
Generic RMAN Configuration Optimization	151
Fully-optimized RMAN Configuration for Data Protector	152
Fully-optimized RMAN Configuration for NetBackup and Networker	152
Fully-optimized RMAN Configuration for TSM	153
10 Support and Other Resources	154
Related Information	154
Documents	154
Websites	154
Contacting HP	154
Before you contact HP	154
HP contact information	155
Subscription Service	155
Document Conventions and Symbols	155
Glossary	157