Sun Microsystems Virtual Tape Library - Manual (Page 5)

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Contents
About this book xi
1. Introduction: VTL appliances and enterprise data‐protection 1
Features 2
Advantages of VTL tape virtualization 4
Shorter runtimes and reduced dependency on backup windows 4
Shorter run times for non‐sequential backup jobs 5
Improved reliability 5
Better utilization of tape subsystems 5
Improved utilization of backup media 6
Larger, more flexible libraries 6
Compatibility with ACSLS management software 6
True tape virtualization with dynamically allocated disk space 7
Key VTL features and options 8
NDMP migration 8
VTL high‐availability option 9
Automated Tape Caching 12
Virtual tape replication 12
VTL Secure Tape encryption option 14