During installation my Seagate or Archive DDS4 tape drive is not recognized.

edge BackupEDGE edge.tape Seagate Archive Scorpion 40 DDS4 autodetect edge.autodetect

Release

BackupEDGE 01.01.0x for SCO UNIX ver 3.2.4.x and above / UnixWare 7 / Linux

Problem

BackupEDGE cannot detect or manipulate Seagate Scorpion 40 DDS4 Tape Drives

During installation of BackupEDGE my Seagate or Archive DDS4 tape drive is not recognized.

Cause

Wrong Tape Drive DIP Settings

Solution

The Seagate Drive by default powers up in a "SCSI 3" mode which is not properly supported by SCO Unix, OpenServer, UnixWare or Linux. In this mode the operating systems can perform basic reads and writes but cannot handle inquiries and more sophisticated low level SCSI commands. As shipped, the drive has a DIP with 10 switch settings. Usually these are all ON.

(When switch 10 is ON the drive reporst itself as a Seagate. When OFF it reports itself as an Archive.)

To work properly under SCO OpenServer, UnixWare or Linux, switches 5 and 8 must be set to the OFF position, which tells the drive to identify itself as a SCSI 2 devices. The DIP is located on the bottom of the drive, near the front.

The information on switch settings is listed in an Addendum which comes with the Scorpion 40 Installation Manual.

The installation addendum is CORRECT for SCO OpenServer, but INCORRECT for UnixWare and Linux.

Switch 5 and 8 MUST BE OFF for full operation with these operating systems.

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Last Modified Friday, January 02, 2009
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