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QoreStor 7.1.0 - User Guide

Introducing QoreStor Accessing QoreStor Configuring QoreStor settings
Licensing QoreStor Configuring an SSL Certificate for your QoreStor System Configuring Active Directory settings Understanding system operation scheduling Configuring Secure Connect Enabling MultiConnect Configuring and using Rapid NFS and Rapid CIFS Configuring and using VTL Configuring and Using Encryption at Rest Configuring email notification settings Configuring and using the Recycle Bin Configuring Cloud Reader Configuring RDA immutability
Managing containers Managing local storage Managing cloud storage Managing replications Managing Users Monitoring the QoreStor system Managing QoreStor Remotely Support, maintenance, and troubleshooting

Configuring and using VTL

This topic introduces Virtual Tape Libraries (VTLs) and related concepts and tasks. Refer to the subsequent topics and procedures in this section for more information.

Understanding VTL

A Virtual Tape Library (VTL) is an emulation of a physical tape library on a disk-based deduplication and compression system such as QoreStor. The tape library is exposed to a Data Management Application (DMA) as if it is a physical library with tape drives and cartridges, which the application uses for backup. Because a VTL completely emulates a standard library, the introduction of virtual tape is seamless and transparent to existing tape backup/recovery applications. The management of the library, including the drives and tapes, is done by the DMA using SCSI commands. For details on the applications supported, see the QoreStor Interoperability Guide.

Terminology

This topic introduces and briefly defines some basic VTL terminology used throughout the QoreStor documentation.

Term Description
Library A library is an emulation of a physical tape library and shares the same characteristics such as media changer, tape drives, and slots (cartridge slots).
Tape Drive A Tape drive is a logical unit which is part of the emulated library. The media or cartridge is loaded in the Tape drives to be accessed by the Data Management application.
Tapes/Media/Cartridges Tapes are represented as files and are units within the VTL where data is actually written. Tapes are loaded into a Tape Drive before being accessed.
Slots Tapes are parked in Slots before they are retrieved by the data management application for access.

Supported virtual tape library access protocols

QoreStor supports the following virtual tape library (VTL) tape access protocols.

  • Network Data Management Protocol (NDMP)
  • Internet Small Computer System Interface (iSCSI)
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