Virtual TapeServer 8.2 Configuration Guide
Table Of Contents
- Virtual TapeServer for NonStop Servers Configuration Guide
- Preface
- Introduction
- Overview of Tasks
- Reconfiguring Vaults
- Enabling Licensed Features
- Configuring Ports
- Creating and Managing VTLs and VTDs
- Enabling and Performing Tape-to-tape Exports
- Enabling and Performing Stacked Exports
- Enabling and Configuring Data Replication
- Enabling and Configuring Role Swapping
- Configuring EMS Communication
- Enabling and Configuring Data Encryption
- Creating and Managing Virtual Media
- Enabling and Configuring Scan/Cleanup
- Configuring User Accounts
- Configuring Web Interface Preferences
- Managing the VTS Server
- Troubleshooting
- Maintaining GFS for VTS
- Reinstalling and Restoring VTS
- Attaching External Devices after Initial Deployment
- TCP/IP Ports and Protocols
- Index
2 | Introduction
VTS delivers reliable, scalable, and high performance virtual tape for backup, restore,
Transaction Management Facility (TMF), archive, and data recovery operations. You can
deploy VTS to simplify and streamline traditional tape operations, reduce costs for storage
hardware and tape media, automate backup and restore operations, and increase flexibility in
managing backed-up data.
The virtual environment
The basic building blocks of VTS are vaults, pools, virtual tape drives, and virtual tapes. VTS
can support multiple virtual tape drives that respond to tape commands just as a physical
tape drive would.
Virtual pools are organized into vaults, which correspond to areas of the file system that are
configured according to user needs. Defining several vaults is a convenient way to separate
data for different applications or users.
Note Vaults are used for storing pools only; VTS uses vaults for virtual tapes and VTD
components exclusively. Files and applications should be installed in other storage
locations, such as the root partition.
Virtual tapes are “stored” in pools, which are the equivalent to magazines of cartridges used
in tape drive libraries. A pool can contain as many virtual tapes as necessary for a given
application, which provides a great advantage over cartridge magazines that have physical
limits to the number of cartridges they can contain. A pool is synonymous with a directory on
a file system.
Note The VTS web interface refers to virtual tapes as “cartridges.” Note that these terms
are synonymous in VTS.
Virtual tape drives respond to mount, write, rewind, read, and unload commands from
standard backup management applications. Virtual tape drives require virtual tape media,
and VTS enables you to create an unlimited number of virtual tapes. A virtual tape is the
logical equivalent to a physical tape. However, unlike physical tape media, virtual tapes can
be created in any size because the data is pooled on low-cost disk storage. A virtual tape
contains only the data written to it, with no wasted space. When a virtual tape is no longer