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DLT™2000XT Tape Drive andDLT™2500XT Stacker Owner’s GuideDocument Number 007-2266-002

xList of FiguresFigure 3-6 DLT2000XT Desktop Front Panel 38Figure 4-1 DLT2500XT Stacker Parts 44Figure 4-2 SCSI Connection to Deskside Onyx or C

84Appendix A: Hardware SpecificationsDLT2500XT Stacker SpecificationsTable A-2 lists physical, electrical, environmental, and power specifications for t

Timing Characteristics85Timing CharacteristicsTable A-3 summarizes timing characteristics for the DLT2000XT tape drive.AC power requirements 100 W max

86Appendix A: Hardware SpecificationsTable A-4 summarizes timing characteristics for the DLT2500XT stacker.Tape SpecificationsTable A-5 summarizes the

Pinouts87PinoutsThis section summarizes pinouts for these connectors:• single-ended high-density SCSI (68-pin)• single-ended high-density SCSI (50-pin

88Appendix A: Hardware Specifications3 Ground (Open for DLT2000XT drive/DLT2500XTstacker)37 -DB(14) (Open for DLT2000XT drive/DLT2500XTstacker)4 Groun

Pinouts89Single-Ended High-Density SCSI Pinouts (50-Pin)Figure A-2 shows the 50-pin connector.Figure A-2 50-Pin Connector25 Ground 59 -RST26 Ground 60

90Appendix A: Hardware SpecificationsTable A-7 gives the pinouts.Table A-7 Fifty-Pin Single-Ended, High-Density SCSI PinoutsPin Number Signal Name Pin

Pinouts91Differential High-Density SCSI PinoutsFigure A-3 shows the 68-pin connector.Figure A-3 68-Pin ConnectorIn Table A-8, the hyphen preceding a s

92Appendix A: Hardware Specifications5 +DB(P1) 39 -DB(P1)6 Ground 40 Ground7 +DB(0) 41 -DB(0)8 +DB(1) 42 -DB(1)9 +DB(2) 43 -DB(2)10 +DB(3) 44 -DB(3)11

Pinouts9329 +I/O 63 -I/O30 Ground 64 Ground31 +DB(8) 65 -DB(8)32 +DB(9) 66 -DB(9)33 +DB(10) 67 -DB(10)34 +DB(11) 68 -DB(11)Table A-8 (continued) Host

xiList of TablesTable 1-1 DLT2000XT Tape Drive and DLT2500XT Stacker Versions in SiliconGraphics Chassis 2Table 3-1 Drive States 39Table 5-1 DLT

95IndexBbeginning-of-tape (BOT) marker, 59block size and performance, 60Ccartridge, 53-55care, 54cleaning, 71-72compatilibity, 53jammed, removin

96Indexloading and unloading magazine, 68-69selecting and loading, 65cleaning, 71-72commands, 70-71connecting to host, 45-48front panel. See OCPi

97IndexRrejumpering, 14, 19SSCSIadditional devices, 6daisy-chaining desktop, 30buslimit, 30sharing and performance, 7, 14, 45, 50termination, 30

Tell Us About This ManualAs a user of Silicon Graphics products, you can help us to better understand your needsand to improve the quality of our docu

xiiiAbout This GuideThis guide is designed to help you install, manage, and troubleshoot your sled-mounted,desktop, or stacker DLT™ digital tape drive

xivAbout This GuideConnecting the desktop DLT tape drive or stacker to a deskside or rackmount systemmay require some setup by a qualified service prov

About This GuidexvAudienceThe primary audience for this guide is presumed to be end users or administrators whohave some basic computer hardware and s

1Chapter 11. Introducing the DLT2000XT Tape Drive andDLT2500XT StackerThe DLT2000XT single-ended tape drive is a high-performance, high-capacity, 1/2-

2Chapter 1: Introducing the DLT2000XT Tape Drive and DLT2500XT StackerTable 1-1 summarizes DLT2000XT tape drive and DLT2500XT stacker versions forvari

DLT2000XT Tape Drive and DLT2500XT Stacker Operation3DLT2000XT Tape Drive and DLT2500XT Stacker OperationAs shown in Figure 1-1, the DLT2000XT drive u

CONTRIBUTORSWritten by Carolyn Curtis and M. SchwendenIllustrated by Dan Young and Cheri BrownEdited by Christina CaryProduction by Mike DixonEngineer

4Chapter 1: Introducing the DLT2000XT Tape Drive and DLT2500XT StackerFigure 1-2 DLT2000XT Desktop Tape DriveThe back of the desktop DLT2000XT drive h

DLT2000XT Tape Drive and DLT2500XT Stacker Operation5The DLT2500XT stacker unit houses a robotic stacking unit that selects and inserts orremoves tape

6Chapter 1: Introducing the DLT2000XT Tape Drive and DLT2500XT StackerConnection and Termination GuidelinesEach desktop DLT2000XT drive or DLT2500XT s

Special SCSI Requirements for Deskside Systems7Special SCSI Requirements for Deskside SystemsThe external SCSI connector on the Challenge L or Onyx de

9Chapter 22. Installing the Sled-Mounted DLT2000XT Tape DriveThis chapter tells you how to configure and install your sled-mounted DLT2000XT tapedrive

10Chapter 2: Installing the Sled-Mounted DLT2000XT Tape DriveFigure 2-1 Sled-Mounted DLT2000XT Tape Drive Standard PartsTape cartridgeCleaning cartrid

Checking and Setting the Drive’s SCSI ID11Checking and Setting the Drive’s SCSI IDEach sled-mounted DLT2000XT tape drive is assigned a default SCSI ID

12Chapter 2: Installing the Sled-Mounted DLT2000XT Tape DriveFigure 2-2 SCSI ID Selection Cable and ConnectorsThe SCSI ID selection connector is close

Inserting the Sled-Mounted DLT2000XT Tape Drive13Figure 2-4 shows jumpering for SCSI IDs.Figure 2-4 Setting the SCSI ID on the Sled-Mounted Tape Drive

You may find the following booklet, prepared by the Federal CommunicationsCommission, helpful: Interference Handbook 1993 Edition. This booklet is avai

14Chapter 2: Installing the Sled-Mounted DLT2000XT Tape DriveFollow these guidelines:• The system must be shut down and power must be off before you i

Inserting the Sled-Mounted DLT2000XT Tape Drive15Be sure you read and understand the information in “Checking and Setting the Drive’sSCSI ID” and “In

16Chapter 2: Installing the Sled-Mounted DLT2000XT Tape Drive2. Identify the retaining screw that holds the drive shelf directly above the chosendrive

Inserting the Sled-Mounted DLT2000XT Tape Drive174. After removing the drive shelf, replace the plastic side panel by aligning the ballconnectors with

18Chapter 2: Installing the Sled-Mounted DLT2000XT Tape Drive6. Carefully insert the DLT2000XT tape drive into the drive bay until it seats firmlyinto

Inserting the Sled-Mounted DLT2000XT Tape Drive19Installing the DLT2000XT Tape Drive in Challenge XL and OnyxRackmount SystemsThe two standard SCSI ch

20Chapter 2: Installing the Sled-Mounted DLT2000XT Tape Drive4. Place two of the jumpers on the H2 middle pins (as seen from the top), as shown inFigu

Inserting the Sled-Mounted DLT2000XT Tape Drive21Figure 2-10 Accessing the Rackmount SCSIBox 23. Identify the drive bay in which you want to install t

22Chapter 2: Installing the Sled-Mounted DLT2000XT Tape DriveNote: A DLT2000XT tape drive occupies two SCSIBox 2 drive bays. Therefore,wherever you de

Inserting the Sled-Mounted DLT2000XT Tape Drive235. Remove the drive shelf from the front of the SCSIBox 2 (note that the rear corners ofthe drive she

DLT™2000XT Tape Drive and DLT™2500XT Stacker Owner’s GuideDocument Number 007-2266-002This equipment has been tested to and is in compliance with the

24Chapter 2: Installing the Sled-Mounted DLT2000XT Tape Drive7. Select a vacant drive bay and carefully align the rails on the drive sled with thecorr

Inserting the Sled-Mounted DLT2000XT Tape Drive25DLT2000XT tape drives require two half-height drive slots. To install the sled-mountedDLT2000XT tape

26Chapter 2: Installing the Sled-Mounted DLT2000XT Tape Drive4. Orient the drive and sled assembly so that the connectors on the back are on thebottom

Configuring the Host System to Recognize the Sled-Mounted DLT2000XT Tape Drive27After you have installed the DLT2000XT tape drive, you can power on th

29Chapter 33. Installing the Desktop DLT2000XT Tape DriveThis chapter tells you how to set up your desktop DLT2000XT tape drive. It includesinstructio

30Chapter 3: Installing the Desktop DLT2000XT Tape DriveSelecting a SiteThe desktop DLT2000XT tape drive is designed to sit on your desk, on top of yo

Checking Your Shipment31Checking Your ShipmentThe desktop DLT2000XT tape drive is shipped in a single box. Inside, you should find• the DLT2000XT deskt

32Chapter 3: Installing the Desktop DLT2000XT Tape DriveFigure 3-1 Desktop DLT2000XT Tape Drive PartsSCSI cableOwner's guidePower cordDLT2000XTLa

Checking and Setting the DLT2000XT Tape Drive’s SCSI ID33Checking and Setting the DLT2000XT Tape Drive’s SCSI IDEach desktop DLT2000XT tape drive must

vContentsList of Figures ixList of Tables xiAbout This Guide xiiiStructure of This Guide xivAudience xvConventions xv1. Introducing

34Chapter 3: Installing the Desktop DLT2000XT Tape DriveConnecting the Desktop DLT2000XT Tape Drive to the HostTo connect your desktop DLT2000XT tape

Connecting the Desktop DLT2000XT Tape Drive to the Host354. Snap the wire cable clamps into place to secure the cable.5. If you are connecting one mor

36Chapter 3: Installing the Desktop DLT2000XT Tape DriveAttaching the Power Cord and Turning On the Desktop DLT2000XT Tape DriveTo attach the power co

Attaching the Power Cord and Turning On the Desktop DLT2000XT Tape Drive373. At the rear of the unit, turn on the DLT2000XT tape drive by pressing the

38Chapter 3: Installing the Desktop DLT2000XT Tape DriveUsing the Power-On Self TestThe power-on self test starts automatically on power-on. Observe t

Configuring the Host System to Recognize the Desktop DLT2000XT Tape Drive39After initialization, the drive is in one of the states shown in Table 3-1.

40Chapter 3: Installing the Desktop DLT2000XT Tape DriveInstalling the SCSI PatchOnce you have installed the DLT2000XT tape drive in the chassis, load

41Chapter 44. Installing the DLT2500XT StackerThe differential SCSI-2 DLT2500XT stacker is a tape mini-library that can performautomatic tape backup o

42Chapter 4: Installing the DLT2500XT StackerSelecting a Site for the DLT2500XT StackerThe desktop DLT2500XT stacker is designed to sit on a desk or t

Checking Your Shipment43• a power cord• a differential terminatorNote: This terminator is not interchangeable with the active single-ended terminatoru

viContentsPlacing the Desktop DLT2000XT Tape Drive 33Connecting the Desktop DLT2000XT Tape Drive to the Host 34Attaching the Power Cord and Turn

44Chapter 4: Installing the DLT2500XT StackerFigure 4-1 DLT2500XT Stacker PartsSCSI cablesPower cordDLT StackerLabelsTape cartridgesTerminatorCleaning

Placing the DLT2500XT Stacker45Placing the DLT2500XT StackerAfter you have set the stacker’s SCSI ID, you are ready to install the desktop DLT2500XTst

46Chapter 4: Installing the DLT2500XT StackerFigure 4-2 SCSI Connection to Deskside Onyx or Challenge SystemDLT2500XTChallenge L orOnyx desksidesystem

Connecting the DLT2500XT Stacker to the Host47Figure 4-3 SCSI Connection to Rackmount Onyx or Challenge SystemChallenge orOnyx rackmountsystemDLT2500X

48Chapter 4: Installing the DLT2500XT Stacker3. Plug the other end of the SCSI cable into the bottom SCSI connector on the back ofthe desktop DLT2500X

Attaching the Power Cord and Turning On the Stacker49Attaching the Power Cord and Turning On the StackerTo attach the power cord, follow these steps:1

50Chapter 4: Installing the DLT2500XT StackerUsing the Power-On Self TestThe power-on self test (POST) starts automatically on power-on. Observe the d

Configuring the Host System to Recognize the DLT2500XT Stacker51To set the SCSI ID, follow these steps:1. Press and hold the Display Mode button on th

52Chapter 4: Installing the DLT2500XT StackerPowering Off Your DLT2500XT StackerTo power off the tape drive, follow these steps:Caution: Do not shut d

53Chapter 55. OperationThis chapter explains• tape cartridges• drive operation• stacker operation• cleaningTape CartridgesThis section explains• tape

ContentsviiStacker Operation 61Stacker Displays and Controls 61Stacker Modes 64Selecting and Loading a Cartridge 65Tape Magazine Operation

54Chapter 5: OperationTape Cartridge CareTo make tape cartridges last as long as possible, store them in a clean environment.Follow these guidelines f

DLT2000XT Tape Drive Operation55Figure 5-1 Tape Cartridge Write-Protect SwitchNote: Do not move the write-protect switch during tape operation.DLT2000

56Chapter 5: OperationDrive LEDs and ControlsThe DLT2000XT tape drive has four LEDs (one green, one orange, and two yellow) thatindicate the status of

DLT2000XT Tape Drive Operation57Table 5-2 summarizes middle front panel LEDs.Note: For information on the power-on self test, see “Using the Power-On

58Chapter 5: OperationAfter initialization, the drive is in one of the states shown in Table 5-3.Table 5-3 Drive StatesDrive State Indicator Displays

DLT2000XT Tape Drive Operation59Loading and Removing a Tape CartridgeLoad the tape cartridge as follows:1. When the DLT2000XT beeps and the green Oper

60Chapter 5: OperationRemove a tape cartridge as follows:1. When the yellow Tape in Use LED glows steadily, press the Unload button; the LEDstarts to

Stacker Operation61The addition of the v can also provide variable block size transfers for use with otherbackup commands such as cpio, dd, dump, or r

62Chapter 5: OperationThe OCP features are these:• the magazine door• the display, showing messages describing stacker activity (summarized in Table 5

Stacker Operation63SLOT 0SLOT 1SLOT 2SLOT 3SLOT 4Current slot containing the cartridge. Each current slot number flashes in thedisplay when its corresp

64Chapter 5: OperationStacker ModesThe stacker operates in four modes:• normal• density select (not used with Silicon Graphics systems, where it is co

Stacker Operation65Selecting and Loading a CartridgeAfter the stacker initializes successfully, it automatically selects the first slot containing acar

66Chapter 5: OperationTape Magazine OperationThis section explains• opening and closing the magazine door• removing the magazine• loading and unloadin

Stacker Operation67Figure 5-5 Rotating the Locking LeverLockingleverLockinglever

68Chapter 5: Operation5. Grasp the magazine’s handle and slide the magazine straight out of the stacker, asshown in Figure 5-6.Figure 5-6 Removing the

Stacker Operation69Figure 5-7 Removing a Tape Cartridge From the MagazineNote: Do not apply labels to the top or bottom of tape cartridges, particular

70Chapter 5: OperationReplacing the Magazine in the StackerTo replace the magazine in the stacker, follow these steps:1. Press the Open button.2. Make

Cleaning71This command moves the tape from slot 0 in the magazine to the drive. In this example,the argument sc3d6l0 tells the system that the drive i

72Chapter 5: OperationEvery time you use the cleaning cartridge, the drive uses a new, unused portion of thetape. After approximately 20 cleanings, th

73Chapter 66. Troubleshooting and MaintenanceThis chapter tells you how to identify and troubleshoot simple problems with theDLT2000XT tape drive or D

ixList of FiguresFigure 1-1 Sled-Mounted DLT2000XT Tape Drive 3Figure 1-2 DLT2000XT Desktop Tape Drive 4Figure 1-3 External Connectors on the De

74Chapter 6: Troubleshooting and Maintenance• The sled-mounted DLT2000XT tape drive may be plugged into the wrong SCSIchannel.• The power supply for t

Solving Basic Problems on the DLT2000XT Tape Drive or DLT25000XT Stacker75Integral Ethernet controller: et0, Ebus slot 3Integral SCSI controller 2: Ve

76Chapter 6: Troubleshooting and MaintenanceIf you cannot read or write tapes in the DLT2000XT tape drive even though it is listed inhinv, it is possi

Solving Basic Problems on the DLT2000XT Tape Drive or DLT25000XT Stacker77Table 6-2 provides a list of potential problems and possible solutions for t

78Chapter 6: Troubleshooting and MaintenanceRemoving a Jammed Tape CartridgeThe following instructions are intended to help you if a tape cartridge be

Updating Firmware From a Tape Cartridge79Updating Firmware on Sled-Mounted and Desktop DLT2000XT TapeDrivesFollow these steps:1. Make sure tape operat

80Chapter 6: Troubleshooting and MaintenanceIf the firmware is already at the same level as the code on the tape, the DLT2000XTtape drive does not go t

Updating Firmware From a Tape Cartridge814. Press and hold the Display Mode button for about five seconds until the SCSI ID SELmessage displays.5. Pres

82Chapter 6: Troubleshooting and MaintenanceIn the third case, follow these steps:1. Press the Load/Unload button to unload the tape cartridge from th

83Appendix AA. Hardware SpecificationsThis appendix contains• DLT2000XT tape drive specifications• DLT2500XT stacker specifications• timing characteristi