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arcserve-KB : How does the Tape Engine communicate with a tape device?

Last Update: 2015-12-15 22:08:55 UTC

CA ARCSERVE BACKUP FOR WINDOWS COMMON: 12.5

Last Modified Date:    06/23/2009
Document ID:    TEC491393
Tech Document
Title:  How does the Tape Engine communicate with a tape device?

Description:

This document explains the communication path between the Tape Engine and a tape device.

Solution:

The ARCserve Tape Engine uses SCSI Pass Through to communicate with a tape device utilizing standard SCSI commands to control the tape device. The Tape Engine sends the command to a mini port provided by the controller driver via a Windows OS API. The controller driver then sends the command down the bus and the intended device accepts the command.

Example:

Tape Engine > Windows OS > Controller Driver > Physical Controller > Cable > Tape Device

Example SAN:

Tape Engine > Windows OS > Controller Driver > Physical Controller > Cable > Switch > Cable > Tape Device

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