User's Manual

Table of Contents
viii-DLT2000/DLT2500/DLT2700 Cartridge Tape Subsystem
6.3 BACKUP OPERATION FAILURE..........................................................................................6-3
6.4 A
VOIDING BASIC PROBLEMS............................................................................................6-4
6.5 DLT2500 E
RROR CONDITIONS ........................................................................................6-5
6.5.1 DLT2500 Magazine Error ......................................................................................6-5
6.5.1.1 DLT2500 Clearing a Magazine......................................................................6-5
6.5.2 DLT2500 Loader Error Description.......................................................................6-5
6.5.3 DLT2500 Drive Error Description .........................................................................6-5
6.5.4 DLT2500 Controller Error Description..................................................................6-5
6.5.5 DLT2500 Unknown Error Description...................................................................6-6
6.5.5.1 DLT2500 Clearing a Loader, Drive, Controller, or Unknown.......................6-6
6.6 DLT2700 E
RROR CONDITIONS ........................................................................................6-6
6.6.1 DLT2700 Magazine Fault Cases ............................................................................6-6
6.6.2 DLT2700 Loader Fault Description .......................................................................6-8
6.7 P
OWER PROBLEMS...........................................................................................................6-8
. CHAPTER 7: FIRMWARE UPDATE
7.1 I
N THIS CHAPTER .............................................................................................................7-1
7.2 DLT2000 F
IRMWARE UPDATE OVERVIEW.......................................................................7-1
7.2.1 Before Doing the Procedure ...................................................................................7-2
7.3 C
REATING A FIRMWARE UPDATE TAPE ............................................................................7-4
7.3.1 On UN*X Systems..................................................................................................7-4
7.4 F
IRMWARE UPDATE PROCEDURE .....................................................................................7-5
7.4.1 Updating the Firmware on DLT2000 (Drive Only Configuration).........................7-5
7.4.2 Updating the Firmware on the DLT2500 (Drive and Loader Configuration).......7-10
7.4.3 Updating the Firmware on the DLT2700 (Drive and Loader Configuration).......7-14
. CHAPTER 8: DLT2000 SCSI INTERFACE
8.1 O
VERVIEW .......................................................................................................................8-1
8.2 G
ENERAL SCSI BUS OPERATIONS....................................................................................8-1
8.2.1 Data Transfer..........................................................................................................8-1
8.2.2 Initiator/Target Operations .....................................................................................8-2
8.2.3 SCSI IDs and Logical Unit Numbers (LUNs) ........................................................8-2
8.2.4 Unit Attention Condition ........................................................................................8-3
8.2.5 Behavior Around Power-On and SCSI Bus Reset ..................................................8-3
8.2.6 Data Cache and Tape Write Interaction..................................................................8-4
8.2.7 Other SCSI Functionality........................................................................................8-4
8.2.8 Bus Phases..............................................................................................................8-4
8.2.9 ATTENTION Signal Response ..............................................................................8-5
8.2.10 STATUS phase.....................................................................................................8-5
8.2.11 BUS FREE............................................................................................................8-7
8.2.12 BUS PARITY ERRORS.......................................................................................8-7
8.3 SCSI M
ESSAGE SYSTEM ..................................................................................................8-8
8.4 T
APE DRIVE SCSI COMMANDS......................................................................................8-14