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DLT4000 SCSI Interface

8-90 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem

8.4.11 PREVENT/ALLOW MEDIUM REMOVAL (1Eh)    

Bit

7

6

5

4

3

2

1

0

0

Operation Code (1Eh)

Logical Unit Number

Reserved

Reserved

Byte

Reserved

4

Prevent

5

Reserved

Flag

Figure 8 56 

 

This command enables or disables the unloading of the tape cartridge.

If this bit is set, the Unload button on the drive front panel is effectively disabled, and
the UNLOAD command will not unload the media or the cartridge. The

When the Prevent bit is set to zero, then the Prevent state corresponding to that
initiator is cleared. Only when all initiators have cleared their Prevent state are the

reset, or Bus Device Reset message, the Prevent Medium Removal function is cleared.

If a Media Loader is present, the Move Medium command will not be allowed to

Содержание DLT 4700

Страница 1: ...DLTTM 4000 DLTTM 4500 DLTTM 4700 Cartridge Tape Subsystem Product Manual...

Страница 2: ......

Страница 3: ...DLTTM 4000 DLTTM 4500 DLTTM 4700 Cartridge Tape Subsystem Product Manual March 10 1996 81 60043 01...

Страница 4: ...entative or order them directly from Quantum Publication Number 81 60043 01 SERVICE CENTERS Quantum Service Center 715 Sycamore Avenue Milpitas California 95035 Phone 408 894 4000 Fax 408 894 3218 Qua...

Страница 5: ...ed 4 Consult the dealer or an experienced radio TV technician for help The shielded interconnect cable shipped with the unit should not be altered or modified in any way The unit shipped without a shi...

Страница 6: ...nterference in which case the user at his own expense will be required to take whatever measures may be required to correct the interference The shielded interconnect cable shipped with the unit shoul...

Страница 7: ...mware Update Capability 1 3 1 9 Embedded Diagnostics 1 3 Chapter 2 Installing and Configuring the DLT4000 Tabletop 2 1 In This Chapter 2 1 2 2 Prepare for the Installation 2 1 2 2 1 Before You Start 2...

Страница 8: ...2 3 2 2 Changing the SCSI ID 3 5 3 2 3 Setting the TRM ENB Single ended only Jumper 3 6 3 2 4 Locating the SCSI Cable and Power Connectors 3 7 3 3 Selecting Density 3 8 3 4 Overview of the Front Panel...

Страница 9: ...tallation testing 4 9 4 5 1 Run POST 4 9 4 5 2 What to Do after POST 4 9 4 6 Operator Control Panel 4 12 4 6 1 Normal Mode Displays 4 14 4 6 2 Density Select Mode Displays 4 16 4 6 3 SCSI ID Select Mo...

Страница 10: ...pe Cartridge 4 33 Chapter 5 Configuring and Operating the DLT4700 Mini Library 5 1 In This Chapter 5 1 5 2 Introduction to the Mini Library 5 1 5 3 Configuring the DLT4700 Mini Library 5 2 5 3 1 Confi...

Страница 11: ...Operation Failure 6 3 6 4 Avoiding Basic Problems 6 4 6 5 DLT4500 Error Conditions 6 5 6 5 1 DLT4500 Magazine Error 6 5 6 5 1 1 DLT4500 Clearing a Magazine Error 6 5 6 5 2 DLT4500 Loader Error Descri...

Страница 12: ...SCSI Interface 8 1 Overview 8 1 8 2 General 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...

Страница 13: ...age Format Page 2 and 3 8 38 8 4 8 3 Last n Error Events Page 07h 8 41 8 4 8 4 Read Write Compression Ratio Log SENSE Page Format 8 42 8 4 9 MODE SELECT 15h 8 46 8 4 9 1 MODE SELECT Parameter List 8 4...

Страница 14: ...93 8 4 14 READ BUFFER 3Ch 8 94 8 4 14 1 Combined Header and Data Mode 8 95 8 4 14 2 Data Mode 8 95 8 4 14 3 Descriptor Mode 8 95 8 4 15 READ POSITION 34h 8 97 8 4 15 1 READ POSITION Data Format 8 98 8...

Страница 15: ...e 1Dh 8 135 8 5 2 3 Transport Geometry Parameters Page 1Eh 8 137 8 5 3 MOVE MEDIUM A5h 8 138 8 5 4 READ ELEMENT STATUS B8h 8 139 8 5 4 1 Element Status Data Header 8 140 8 5 4 2 Medium Transport Eleme...

Страница 16: ...k and Vibration A 16 A 8 2 Nonoperating Shock and Vibration A 17 A 9 Electromagnetic Interference EMI Susceptibility A 21 A 9 1 Electromagnetic Emissions A 21 A 9 2 Conducted Emissions A 22 A 9 3 Radi...

Страница 17: ...n C 1 In This Appendix C 1 Appendix D EEROM Resident Bugcheck and Event Logs D 1 EEROM Packets Last n Error Events D 1 D 2 Bugcheck Packets D 2 D 3 PO ST failure packets D 4 D 4 Event Log packets D 4...

Страница 18: ...rtridge 3 18 3 8 Loading a Cartridge 3 21 3 9 Unloading a Cartridge 3 25 4 1 Front of the DLT4500 mini library 4 3 4 2 Mini Library Rear Panel Components 4 4 4 3 Loosening the Shipping Screw 4 5 4 4 R...

Страница 19: ...ed Message Format 8 13 8 3 ERASE CDB 8 16 8 4 INQUIRY CDB 8 17 8 5 INQUIRY Response Data 8 18 8 6 INQUIRY Vendor Unique Bytes Definition 8 21 8 7 Supported Vital Product Data Pages 8 23 8 8 Unit Seria...

Страница 20: ...age Format 8 51 8 33 Disconnect Reconnect Page Format 8 53 8 34 Data Transfer Disconnect Control 8 54 8 37 Control Mode Page 0Ah 8 56 8 38 Data Compression Page 8 58 8 35 Device Configuration Page For...

Страница 21: ...1 READ BUFFER Modes Supported 8 94 8 62 READ BUFFER Data Head 8 95 8 63 READ BUFFER Descriptor 8 96 8 64 READ POSITION CDB 8 97 8 65 READ POSITION Data Format 8 98 8 66 RECEIVE DIAGNOSTICS RESULTS CDB...

Страница 22: ...READ ELEMENT STATUS CDB 8 139 8 89 Element Type Code Definitions 8 139 8 90 Element Status Data Header 8 140 8 91 Medium Transport Element Status Page 8 141 8 92 Storage Element Status Page 8 142 8 9...

Страница 23: ...he Cleaning Cartridge 3 23 4 1 DLT4500 Mini library Troubleshooting Chart 4 10 4 2 Mini Library Operator Control Panel 4 13 4 3 Normal Mode Line One Messages 4 14 4 4 Normal Mode Line Two Messages 4 1...

Страница 24: ...se Keys Used 8 106 8 7 Additional Sense Codes Qualifiers Used 8 107 8 8 Send Diagnostics Parameters 8 117 8 9 Definition of Pattern Numbers Definition of Pattern Numbers 8 118 8 10 Sense Keys Used 8 1...

Страница 25: ...ed Shock Drop Specifications Table Top and Drive A 19 A 20 Nonoperating Unpackaged Vibration Specifications A 19 A 21 Nonoperating Unpackaged Shock Specifications A 20 A 22 Conducted Emissions A 22 A...

Страница 26: ...xiv DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem D 3 Event Log Codes D 5 D 4 Directory Event Log Flags D 7 D 5 Directory Event Status D 7 D 6 68020 Code Update Status D 10 D 7 Servo Code Update St...

Страница 27: ...ue 81 108336 02 Caution added for unloading a tape cartridge 81 60043 01 10 Mar 96 Part Number 81 108336 02 disabled Manual wide trademark copyrights and verbiage upgrades Fast Data Transfer Rate corr...

Страница 28: ...page s 5 11 Table 5 2 upgraded page s 5 14 Table 7 1 added page s 7 4 Table 7 1 consolidated page s 7 8 CAUTION message added page s 7 9 Table 8 1 modified page s 8 8 Table 8 2 modified page s 8 15 F...

Страница 29: ...hrewsbury MA 01545 Purpose of This Manual This manual introduces the DLTTM 4000 DLTTM 4500 DLTTM 4700 Cartridge Tape Subsystem and describes operating procedures code update and SCSI protocol features...

Страница 30: ...loader Mode Select key the operator control panel and functions of the Slot Select Load Unload and Eject buttons Chapter 6 Troubleshooting Guide for the DLT4500 DLT4700 Mini Library gives instructions...

Страница 31: ...000 drive features a formatted capacity of 40 GB and a sustained user data transfer rate of 3 0 MB s The DLT4000 drive is a 5 1 4 inch form factor half inch tape drive The design includes a dual chann...

Страница 32: ...0 GB native or 40 0 GB of data using the compression mode The actual amount of data stored in the compression mode is dependent on the data type Compression can be selected on the drive front panel o...

Страница 33: ...20 0 GB native formatted data The DLTtape III and DLTtape IIIxt tape cartridge can be used in the DLT4000 drive Using these tapes the user may select tape densities for compatibility The user can sele...

Страница 34: ...Overview and Features of the DLT4000 DLT4500 DLT4700 Product 1 4 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...

Страница 35: ...st the Installation 2 6 DLT4000 Troubleshooting Chart 2 7 2 2 Prepare for the Installation This section describes how to prepare for the installation of the DLT4000 tabletop drive including Topic Sect...

Страница 36: ...abletop drive 3 Power off the system on which the DLT4000 tabletop drive is to be installed 2 2 3 Site Setup Place the DLT4000 tabletop drive on a flat sturdy level area such as a desk or tabletop 2 2...

Страница 37: ...ty indicator 2 6 Yellow Write Protected indicator Orange Density indicator 6 0 Yellow Tape in Use indicator Yellow Density indicator 10 0 15 0 Yellow Use Cleaning Tape indicator Yellow Density indicat...

Страница 38: ...s Figure 2 2 DLT4000 Rear Panel 2 3 Install the Drive To install the DLT4000 tabletop drive Step Action 1 Note the DLT4000 tabletop drive factory settings 2 Review Section 2 4 1 3 Configure the DLT400...

Страница 39: ...p drive Follow these guidelines when configuring the DLT4000 tabletop drive for use on your system If you are installing the DLT4000 as Then The only SCSI device on the bus or one of multiple SCSI dev...

Страница 40: ...and Configuring the DLT4000 Tabletop Drive 2 6 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Figure 2 3 shows the SCSI ID pushbutton switch location Figure 2 3 Changing the SCSI ID via the Pushbut...

Страница 41: ...ect the SCSI Signal Cable 2 5 2 Terminate the SCSI Bus 2 5 3 Connect the Power Cord 2 5 4 2 5 1 Examine the DLT4000 Rear Panel Examine the components on the DLT4000 rear panel to complete the physical...

Страница 42: ...able 2 1 Adding a Terminator If the DLT4000 is Then The last or only device on the bus and you are going to terminate the cables externally 1 Connect the SCSI terminator to one of the SCSI signal conn...

Страница 43: ...me Table 2 2 POST Event Action 1 The indicators on the right front panel turn on sequentially from top to bottom All indicators stay on for a few seconds 2 All indicators on the left front panel turn...

Страница 44: ...media to become ready After a bus reset the tape drive responds within a bus selection time out period 2 6 2 What to Do after POST Table 2 3 After POST If Then All the events in Table 2 2 took place...

Страница 45: ...might be incorrect Check your SCSI adapter installation The SCSI signal cable might be loose Make sure the connector on each end of the cable is fully seated The SCSI terminator might not be present o...

Страница 46: ...er switch off All right or all left side indicators on the DLT4000 front panel blink A drive fault has occurred Try to unload the tape and reinitialize the drive by pressing the Unload button or turn...

Страница 47: ...and sections Topic Section Before You Install the DLT4000 Drive 3 2 Selecting Density 3 3 Overview of the Front Panel 3 4 Description of Controls and Indicators 3 5 Description of the Tape Cartridge 3...

Страница 48: ...checking by adding a jumper to the SCSI connector on the left side of the DLT4000 drive Figure 3 1 _________________________NOTE ____________________________ A jumper must always be placed on the Remo...

Страница 49: ...em 3 3 To disable parity 1 Use Figure 3 1 Number to locate the SCSI ID connector on the drive LKG 924 7 94 F R igh t side L e ft sid e 2 3 F ront B ez el F ront B eze l 1 SCSI P arit y Disab le TRM P...

Страница 50: ...ctor represent ID Pins LKG 9295 94F Remote ID Present Disable Parity Figure 3 2 SCSI ID Connector Pins _________________________NOTE ____________________________ A jumper must always be placed on the...

Страница 51: ...B C D H G F E 8 Bit I A SCSI ID 0 D SCSI ID 3 G SCSI ID 6 B SCSI ID 1 E SCSI ID 4 H SCSI ID 7 C SCSI ID 2 F SCSI ID 5 I Disable parity checking The jumper goes in this position with any SCSI ID you c...

Страница 52: ...3 2 3 Setting the TRM PWR Single ended Only Jumper _________________________NOTE ____________________________ The Small Computer System Interface SCSI bus must be terminated at both ends of the bus a...

Страница 53: ...3 7 Figure 3 4 Jumper Settings for TRM PWR No Term Power Term Power 3 2 4 Locating the SCSI Cable and Power Connectors To install the DLT4000 drive note the location of the rear connectors Figure 3 5...

Страница 54: ...ng DLTtape IIIxt the density defaults to 15 0 GB native or 30 0 GB compression Using DLTtape IV the user can select density by any of the following operations 1 On all read operations and all write ap...

Страница 55: ...ange the density selection Unload the tape Density Select Example If you have loaded a tape with a prerecorded 2 6 GB density and you use the Density Select button to select 10 0 GB density the follow...

Страница 56: ...Density Override light For example if the actual tape density is 10 0 GB and the selected tape density is 10 0 GB then the indicator next to 10 0 15 0 lights The Density Select button is used and if...

Страница 57: ...ators Indicators Left Side of Drive Indicators Right Side of Drive Density indicator 2 6 Yellow Write Protected indicator Orange Density indicator 6 0 Yellow Tape in Use indicator Yellow Density indic...

Страница 58: ...waits until an active write to tape is completed before beginning the unload sequence The drive then rewinds the tape back into the cartridge The tape must be completely rewound and unloaded into the...

Страница 59: ...ppens 1 The indicators on the right front panel turn on sequentially from top to bottom All indicators stay on for a few seconds 2 The indicators on the left front panel turn on at the same time for a...

Страница 60: ...is present but the handle is up not recommended The yellow Tape In Use indicator turns off The green Operate Handle indicator flashes When you lower the handle the cartridge loads d The drive detects...

Страница 61: ...ns on after you unload the cleaning tape Cleaning tape attempted to clean the drive head but the tape expired so cleaning was not done After cleaning turns on again when you reload the data cartridge...

Страница 62: ...e from BOT 10 0 15 0 Yellow On default Blinking Tape is recorded in 10 0 15 0 GB format Tape is recorded in another density You selected this density for a write from BOT 20 0 Yellow On default Blinki...

Страница 63: ...rtridge Write Protect Switch The tape cartridge has a write protect switch to prevent accidental erasure of data Before loading the tape cartridge into the drive position the write protect switch on t...

Страница 64: ...Configuring and Operating the DLT4000 Basic Tape Drive 3 18 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Figure 3 7 shows the write protect switch on the tape cartridge Figure 3 7 Tape Cartridge...

Страница 65: ...If you move the write protect switch Then To the left the tape is write protected the orange indicator on the cartridge shows You cannot write data to the tape To the right the tape is write enabled...

Страница 66: ...and wait for a steady green indication then lift handle and insert tape cartridge ___________________________________________________________ 2 Insert the cartridge 3 Push the cartridge into the drive...

Страница 67: ...Configuring and Operating the DLT4000 Basic Tape Drive DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 3 21 Figure 3 8 shows how to load a cartridge into the drive Figure 3 8 Loading a Cartridge...

Страница 68: ...is on steady A cartridge is loaded but the tape is not moving This can mean no application is communicating with the controller or that the application is communicating but is not delivering commands...

Страница 69: ...er sounds for you to remove the cleaning cartridge 2 A data cartridge causes Use Cleaning Tape to blink The data cartridge may be damaged Back up this data onto another cartridge Discard the old cartr...

Страница 70: ..._________________________________________ To unload a cartridge from the drive Figure 3 9 1 Press the Unload button or issue the appropriate system software command The yellow Tape in Use indicator bl...

Страница 71: ...Configuring and Operating the DLT4000 Basic Tape Drive DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 3 25 Figure 3 9 Unloading a Cartridge...

Страница 72: ...e life always store the cartridge in its plastic container and in room environment conditions of 72 F 7 F 22 C 4 C If the tape cartridge has been exposed to heat or cold extremes stabilize the cartrid...

Страница 73: ...lies to the mini library and its operation Chapter 4 includes these main topics and sections Topic Section Introduction to the DLT4500 Mini Library 4 2 Configure the DLT4500 Mini Library 4 3 Installat...

Страница 74: ...s enabled to the media stored in the magazine slots Sequential access is disabled to the media supported automatically in auto loading mode If the user does not issue the SCSI 2 medium changer command...

Страница 75: ...ow to configure and install the mini library including Connecting the SCSI signal cable to the mini library 4 4 Location of Controls Switches and Connectors Figures 4 1 2 4 4 4 illustrate the front an...

Страница 76: ...nfiguring and Operating the DLT4500 Mini Library 4 4 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsytem Label Power Switch Power Connector Fan SCSI Connectors Figure 4 2 Mini Library Rear Panel Component...

Страница 77: ...Configuring and Operating the DLT4500 Mini Library DLT4000 DLT4500 DLT4700 Cartridge Tape Subsytem 4 5 Shipping Screw Locking Lever Figure 4 3 Loosening the Shipping Screw Under the Mini Library...

Страница 78: ...DLT4000 DLT4500 DLT4700 Cartridge Tape Subsytem Figure 4 4 Rotate the Locking Lever Lift the locking lever on the front of the mini library Figure 4 4 to rotate the magazine locking mechanism This al...

Страница 79: ...later in this chapter The last or only device on the SCSI bus You must terminate the bus by installing a terminator 4 4 3 Setting the SCSI ID Choose an unused SCSI ID between 0 and 7 To set the SCSI I...

Страница 80: ...e SCSI signal cable 1 Ensure the mini library power is turned off 2 Connect one end of the SCSI cable to an available SCSI signal connector on the mini library rear panel 3 Snap the wire cable clamps...

Страница 81: ...y on the mini library front panel Ensure the sequence of events is the same as listed Event Action 1 The message LDR RST loader reset displays 2 The message LDR ACT loader active displays 3 A series o...

Страница 82: ...error The doors open to allow removal of the magazine s Remove the magazine s and close the doors Wait for the displayed message LDR RDY then open the doors and reinstall the magazine s Verify that c...

Страница 83: ...he user engages the Load Unload button the mini library Autoloader attempts to clear the error When the user engages the Open button the door is released to allow the user to open the door to access t...

Страница 84: ...4 2 Figure 4 5 Mini Library Operator Control Panel Display Mode Select Load Unload Open The LCD Display features two lines of characters Message content of either line can contain a mixture of message...

Страница 85: ...ni library reset Select Selects SCSI ID and density Moves in increments the current slot number on the display to the next slot number Load Unload Loads the currently selected cartridge into the tape...

Страница 86: ...uring Normal Mode operation Table 4 3 Normal Mode Line One Display Message Tells you DRV ACT Tape is reading or writing DRV RDY A cartridge is in the drive and the tape is not moving DRV REW Tape is r...

Страница 87: ...e to show the type of error DENSITY Displays Cartridge Density 2 6 On steady indicates the tape is recorded in 2 6 format 6 On steady indicates the tape is recorded in 6 GB format 10 15 On steady indi...

Страница 88: ...Density Select Mode operation Table 4 5 Density Select Mode Messages Display Message Tells you DNS SEL The mini library is in Density Select mode CURRENT DENSITY Displays current tape density 2 6 6 1...

Страница 89: ...ape is recorded in another density You selected this density for a write from BOT 10 15 On steady indicates the tape is recorded in 10 GB format Flashing indicates the tape is recorded in another dens...

Страница 90: ...y Message Display Message Tells you SCSI ID SEL Mini library is in SCSI ID Select mode SCSI ID 0 SCSI ID is set to 0 SCSI ID 1 SCSI ID is set to 1 SCSI ID 2 SCSI ID is set to 2 SCSI ID 3 SCSI ID is se...

Страница 91: ...the two line display is defined in figure 4 9 Firmware Update Mode Figure 4 9 Firmware Update Mode Field Definition Table 4 8 lists displayed messages during operation Table 4 8 Firmware Update Mode...

Страница 92: ...d lock icon next to the key lock To lock or disable the OCP turn the key toward the locked icon next to the key lock _________________________CAUTION _________________________ Do not force open the ma...

Страница 93: ...e the Select mode or the host selection 2 On all read operations and all write append operations the recorded density is the density to be used _________________________ CAUTION_______________________...

Страница 94: ...4 9 shows results Table 4 9 Results of not Using or Using Density Select Mode If Then You did not use Density Select mode The display shows the actual density when the tape is reading and writing You...

Страница 95: ...LECT with the density you want For more details see the chapter on SCSI Interface 2 Write data to the tape from BOT 4 9 3 2 Default Density 20 GB 30 GB 40 GB at Compression If you did not use the fron...

Страница 96: ...cartridge has a write protect switch to prevent accidental erasure of data Before you load the tape cartridge into the drive position the write protect switch on the front of the cartridge Figure 4 1...

Страница 97: ...cartridge write protect switch to the left and then load the tape the WP write protect message displays Table 4 10 describes what happens to data protection when you move the write protect switch befo...

Страница 98: ...agazine The front of the magazine has numbers 0 through 4 to indicate each slot number _________________________NOTE ____________________________ Insert and remove all cartridges at the front of the m...

Страница 99: ...zine Before cartridge insertion 1 Grasp the cartridge with the write protect switch on the right side facing you 2 Set the cartridge s write protect switch to the desired position If you want to Then...

Страница 100: ...to the magazine Figure 4 12 Place the magazine on a flat surface with the slots facing you Each slot is numbered to ensure you are inserting the cartridge correctly in the front of the magazine Usuall...

Страница 101: ...a Cartridge from the Magazine 4 11 2 Removing a Cartridge from the Magazine To remove a cartridge from the magazine Figure 4 13 At the front of the magazine where you can see the metal tab next to the...

Страница 102: ...en the door of the mini library Pressing just the Open button also returns the tape to the magazine and opens the door 2 Slide the door all the way to the left 3 Grasp the magazine s handle and pull t...

Страница 103: ...into the Drive To load the cartridge from the magazine into the drive press the Load Unload button Table 4 11 explains what happens after you press the button Table 4 11 After Loading the Cartridge St...

Страница 104: ...he display reads LDR RDY The ERR LDR message displays showing a malfunction Press the Load Unload button to reset the mini library and try to clear the error 4 11 8 Opening the Magazine Door The Open...

Страница 105: ...rive and returns to the magazine The LDR RDY message displays 2 A data cartridge causes the HC message to display frequently The data cartridge may be damaged Back up this data onto another cartridge...

Страница 106: ...Configuring and Operating the DLT4500 Mini Library 4 34 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsytem...

Страница 107: ...5 7 Slot Select Load Unload and Eject Button Functions 5 8 Magazine 5 9 5 2 Introduction to the Mini Library The mini library option includes a DLT4000 tape drive a media loader and a 7 cartridge rem...

Страница 108: ...ext slot is moved from the magazine into the drive and made ready The next slot is empty or the cartridge unloaded was for the last slot in the magazine No cartridge is loaded into the drive 5 3 Confi...

Страница 109: ...I devices on the bus Be sure to use a SCSI ID that is unique from any other device or system ID on the SCSI bus The last or only device on the SCSI bus You must terminate the bus by installing a termi...

Страница 110: ...DLT4500 DLT4700 Cartridge Tape Subsystem Figure 5 1 shows the SCSI ID pushbutton switch location Figure 5 1 Changing the SCSI ID via the Pushbutton Switch SCSI Connector Wire Cable Clamps Pushbutton S...

Страница 111: ...e in the magazine automatically loads into the drive When you copy data to the tape operations stop if one of the following happens Storage capacity of the last tape cartridge is exceeded No tape cart...

Страница 112: ...Configuring and Operating the DLT4700 Mini Library 5 6 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Figure 5 2 DLT4700 Operator Control Panel Error Bookmark not defined...

Страница 113: ...osition in the enclosure but leave the receiver unlocked set the Mode Select key to Automatic mode The following results of setting the Mode Select key to Automatic mode are The OCP pushbuttons are en...

Страница 114: ...__ During Manual mode the cartridge returns to the magazine but the current Slot Select indicator does not advance forward to the next available cartridge _____________________________________________...

Страница 115: ...a DLTtape IV and the Density Select button or the host selection was not used ____________________ CAUTION_________________________ Doing any Write from BOT destroys data on tape ____________________...

Страница 116: ...nsity Select button to select 10 0 15 0 GB density the following should happen The 2 6 indicator remains lit density has not changed yet and the steady indicator indicates recorded tape density The 10...

Страница 117: ...Density Override indicator is on For example if the actual tape density is 10 0 GB and the selected tape density is 10 0 GB then the indicator next to 10 0 15 0 is on You select the Density Select bu...

Страница 118: ...om the drive to the magazine if a tape is inserted Eject indicator Green Indicates the user can press the Eject button to unload cartridges from the drive to the magazine and open the receiver Is on w...

Страница 119: ...Rapid blinking indicates tape is reading or writing When on steadily indicates a cartridge is in the drive and the tape is not moving When off indicates no cartridge is in the drive Use Cleaning Tape...

Страница 120: ...cted this density for a write from BOT only in DLTtape III 6 0 Yellow Indicates tape drive activity as follows On steady tape is recorded in 6 0 GB format Blinking tape is recorded in another density...

Страница 121: ...ridge Tape Subsystem 5 15 Table 5 2 DLT4700 Operator Control Panel Cont d Button Indicator Color Function Compress Yellow Indicates tape drive activity as follows On Compression mode enabled Compressi...

Страница 122: ...e Subsystem 5 7 Power On Process _________________________CAUTION _________________________ Before applying power verify the DLT4700 mini library is set see the label on the mini library rear panel fo...

Страница 123: ...ay on loader POST failed 3 A few seconds later the drive controller resets the loader 4 Loader POST starts again If Then POST The Magazine Fault and Loader Fault indicators turn off and shortly after...

Страница 124: ...available slot After a successful initialization the DLT4700 mini library automatically selects slot 0 and the Slot Select button becomes active The Load Unload and Eject indicators remain on during...

Страница 125: ...icator must be on before you press the Load Unload button to load or unload a cartridge ___________________________________________________________ If Then You want to unload the cartridge from the dr...

Страница 126: ...Select Load Unload and Eject indicators are on before any operation begins Press the Eject button to turn off all indicators The elevator then returns to its home position and the receiver opens A ca...

Страница 127: ...face with the slots facing you Figure 5 4 Each slot is numbered to ensure you are inserting the cartridge correctly in the front of the magazine Usually cartridges are inserted into consecutive slots...

Страница 128: ...700 Mini Library 5 22 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Figure 5 3 shows the operation of the Write Protect switch Figure 5 3 Write Protect Switch on a Cartridge Figure 5 4 shows insert...

Страница 129: ...Configuring and Operating the DLT4700 Mini Library DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 5 23 Figure 5 4 Inserting a Cartridge into the Magazine...

Страница 130: ...o remove the magazine from the receiver first ensure 1 The Power On indicator is on Figure 5 2 2 The Eject indicator is on It must be on before you can press the Eject button Then 1 Press the Eject bu...

Страница 131: ...Operating the DLT4700 Mini Library DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 5 25 Figure 5 5 shows the removal of a cartridge from the magazine Figure 5 5 Removing a Cartridge from the Front o...

Страница 132: ...Configuring and Operating the DLT4700 Mini Library 5 26 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Figure 5 6 shows the open receiver Figure 5 6 Receiver Opened...

Страница 133: ...Mini Library DLT4700 Mini Library 6 5 6 6 Power Problems 6 7 6 2 Conditions Necessary for Button Operation Be sure to review information in the previous chapters to ensure you are correctly operating...

Страница 134: ...CP buttons Table 6 1 DLT4500 OCP Button Conditions If you want to First ensure the Then you can press this button Select another slot in the magazine Magazine contains at least two cartridges LDR RDY...

Страница 135: ...artridge Load Unload indicator is on Load Unload Return the selected cartridge to its original slot in the magazine Load Unload indicator is on Load Unload Clear a magazine or loader fault Load Unload...

Страница 136: ...pose the leader Be sure the leader is in the same position as the one shown in Figure 6 1 _________________________CAUTION _________________________ Do not touch the exposed magnetic tape If the tape...

Страница 137: ...magazine and the magazine is not defective If you still cannot clear the error call your service representative 6 5 2 DLT4500 Loader Error Description The ERR LDR message displays the mini library det...

Страница 138: ...ou cannot resolve the fault call your service representative Loader Fault This condition most likely requires service from a service representative It is indicated when the Loader Fault indicator is o...

Страница 139: ...___ To clear a magazine fault caused by cases 1 2 and 3 1 Press the Eject button to open the receiver 2 Remove the magazine and check for a metal tab over an open slot This is the slot from which the...

Страница 140: ...dge _________________________NOTE ____________________________ Slot 0 indicator is lit in all error conditions to indicate an error occurred It is not a Slot Select indicator in this case ____________...

Страница 141: ...___________________ 6 6 2 1 Clearing a DLT4700 Loader Fault When a loader fault occurs the Load Unload and Eject indicators are on Pressing the Load Unload button the DLT4700 loader attempts to clear...

Страница 142: ...Troubleshooting Guide for the DLT4500 DLT4700 Mini Library 6 10 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...

Страница 143: ...d then simply load a tape that includes the DLT4000 firmware image file The subsystem automatically reads and verifies the tape information as a valid DLT4000 firmware image If the image data passes a...

Страница 144: ...not attached to a SCSI bus that is a standalone system However to perform an update the Power On Self Test POST must pass first and to pass POST needs a properly terminated bus The single ended DLT400...

Страница 145: ...one system 1 Find the TRM PWR connector on the right side of the DLT4000 drive Figure 7 1 number LK G 924 7 94 F R igh t side L e ft sid e 2 3 F ro n t B z e F ro n t B e ze l 1 S CS I P arit y Disab...

Страница 146: ...IIIxt or DLTtape IV cartridge with a copy of the firmware image Table 7 1 Table 7 1 Block Size used for Firmware Update Tape Tape Format Density Upgrade Tape Block DLTtape III 2 6 GB 4 Kbytes Multiple...

Страница 147: ...e DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 7 5 When making the update tape copy the image file to the tape media using a block size as defined in Table 7 1 that is dd ltf and so forth The tape...

Страница 148: ...T4700 Drive and Loader Configuration _________________________CAUTION _________________________ Never turn off power if you think the firmware is being updated This can damage the controller _________...

Страница 149: ...Temporarily turns off the Tape in Use and Write Protect indicators _________________________ NOTE ____________________________ Calibration and directory processing cause the tape to move for a few mi...

Страница 150: ...n Operate Handle indicator is turned on The firmware update cartridge is NOT unloaded this means the update was unsuccessful The subsystem should still be usable but this depends on why the update fai...

Страница 151: ...n level copied to it 2 Put the mini library into code update mode To do this a With the LDR RDY message displaying press the OCP Open button to open the door and remove the magazine Then close the doo...

Страница 152: ...ing about 5 minutes 4 During a DLT4500 code update the drive a Automatically reads the tape _________________________NOTE ____________________________ Calibration and directory processing cause the ta...

Страница 153: ...om the drive and loads into the magazine slot from which it came The update succeeded The controller s flash EEPROM memory is updated with the new firmware image Begin operating the mini library The c...

Страница 154: ...artridge from the drive 2 Press the Open button to open the magazine door 3 Remove the magazine and close the door The mini library does an elevator scan 4 Open the door again The message LDR RDY disp...

Страница 155: ...move the magazine and close the door The mini library does an elevator scan 4 Open the door again The message LDR RDY displays 5 Rebuild the valid image on a good cartridge 6 Try the code update proce...

Страница 156: ...Update Mode To do this a Remove any magazine in the DLT4700 loader receiver and close the receiver b Put the Mode Select key in Service Mode wrench icon c Press the Load Unload button on the operator...

Страница 157: ...update procedure goes faster if the magazine contains only the firmware update cartridge But the procedure still works if other cartridges are present 5 Press the Load Unload button to load the Firmw...

Страница 158: ...te cartridge was the only tape cartridge in the magazine If six other cartridges are present the scan takes an extra minute or more 7 4 3 1 Interpreting the Results DLT4700 Code Update Two possible re...

Страница 159: ...age so you can remove the cartridge This shows a successful firmware update The tape is NOT a valid firmware update tape No update is attempted Write Protect and Tape In Use do not blink The tape cont...

Страница 160: ...Firmware Update From Tape 7 18 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...

Страница 161: ...ed during all information transfer phases where the device writes data to the SCSI bus and checked during all information transfer phases where data is read from the bus Parity checking can be disable...

Страница 162: ...via the MODE SELECT command to any LUN from 0 to 7 Refer to MODE SELECT section in this chapter Unsupported LUNs will be treated as follows If the LUN specified in the IDENTIFY message is invalid the...

Страница 163: ...ft queued A LOAD command will not generate a Unit Attention for the initiator that issued the 8 5 All device SCSI lines go to high impedance when the DLT4000 drive is powered The DLT4000 drive will no...

Страница 164: ...to the media under the following circumstances When two or more WRITE FILEMARKS commands are issued without intervening tape motion commands the immediate bit is set When a WRITE 0 FILEMARKS command i...

Страница 165: ...CONFLICT 18h This status is returned by the drive whenever initiator with a RESERVE UNIT command COMMAND TERMINATED 22h This is the status returned for a command indicates that a contingent allegiance...

Страница 166: ...here are several situations when the device might or will go to BUS FREE unexpectedly as defined in the SCSI 2 standard See sections 6 1 1 and 6 3 An internal hardware or firmware fault that makes it...

Страница 167: ...Bus parity errors cause the drive to either retry the operation go to STATUS phase or Retrying of parity errors during Data Out Phase when writing is normally not done but can be enabled by changing t...

Страница 168: ...ABORT TAG ABORT TAG 0Dh 0C Out BUS DEVICE RESET BUS DEVICE RESET 0Ch 0E Out CLEAR QUEUE CLEAR QUEUE 0Eh 00 In COMMAND COMPLETE COMMAND COMPLETE 00h 04 In DISCONNECT DISCONNECT 04h 01 Both EXTENDED ME...

Страница 169: ...s the cache to tape and proceeds to the BUS FREE state The drive then executes a hard reset which leaves it as if a Bus Reset had occurred CLEAR QUEUE 0Eh This message clears all I O processes for all...

Страница 170: ...llowing format Byte 0 Extended Message Identifier 01h Byte 1 Extended Message Length Byte 2 Extended Message Code Byte 3 Extended Message Additional Parameters Figure 8 1 Extended Message Format The E...

Страница 171: ...a or status bytes by using the RESTORE POINTERS message mechanism LINKED COMMAND COMPLETE 0Ah This message is sent from a target to an initiator to indicate that the execution of a linked command with...

Страница 172: ...it is an initiator If NO OP is received during a selection the drive proceeds to the COMMAND phase provided ATN does not continue being asserted The NO OP message is ignored by the tape drive RESTORE...

Страница 173: ...o so The SDTR message has the following format Byte 0 Extended Message Identifier 01h Byte 1 Length 3 Byte 2 Message Code 1 SDTR msg Byte 3 Transfer Period min 50 32h Byte 4 Transfer Req Ack Offset ma...

Страница 174: ...te of the Command Descriptor Block contains the Flag and Link bits Use of these bits is entirely initiator dependent Setting the Link bit provides an automatic link to the next command bypassing the u...

Страница 175: ...4 1B LOAD UNLOAD 8 4 5 2B LOCATE 8 4 6 4C LOG SELECT 8 4 7 4D LOG SENSE 8 4 8 15 MODE SELECT 8 4 9 1A 5A MODE SENSE 8 4 10 1E PREVENT ALLOW MEDIUM REMOVAL 8 4 11 08 READ 8 4 12 05 READ BLOCK LIMITS 8...

Страница 176: ...ed If the Immediate bit is set to zero the target will not return status until the selected operation has completed If the bit is set to one status will be returned as soon as the operation has been i...

Страница 177: ...ill perform the INQUIRY and will not clear the UNIT ATTENTION condition EVPD The DLT4000 drive implements the Vital Product Data pages option on LUNs 0 and the optional medium loader LUN Page Code The...

Страница 178: ...ies to code version V25 and future updates but does not apply to code version V20 or earlier code versions Figure 8 5 INQUIRY Response Data Peripheral Qualifier The tape drive returns one of the follo...

Страница 179: ...nous Event Notification not supported TrmIOP Set to 1 TERMINATE I O PROCESS message supported Response Data Format Set to 2 Inquiry Data in SCSI 2 format Byte 4 Additional Length The tape drive sets t...

Страница 180: ...00 instead of DLT4000 for 5 and 7 cartridges loader respectively ___________________________________________________________ Product Revision Level This field contains four bytes of ASCII data which d...

Страница 181: ...at Minor Version 41 Firmware Personality 42 Firmware Sub personality 43 Tape Directory Format Version Byte 44 Controller Hardware Version 45 Drive EEPROM Version 46 Drive Hardware Version 47 Media Loa...

Страница 182: ...ates released code Vxxx or field test code Txxx Released code has no Minor FW Version number byte 38 is 0 Field Test and engineering versions of code have non zero Minor FW Version numbers for trackin...

Страница 183: ...more bytes 4 00h this page 5 80h Unit Serial Number page 6 C0h Firmware Build Info page VU Figure 8 7 Supported Vital Product Data Pages Bit 7 6 5 4 3 2 1 0 0 Peripheral Qualifier Peripheral Device T...

Страница 184: ...Data Figure 8 9 Firmware Build Information page VU The checksums are binary and are for positive Firmware and EEPROM identification Firmware Build Date is an ASCII string in the DD Mmm YYYY HH MM SS f...

Страница 185: ...will operate in the sequential mode of operation Once a media loader specific command has been issued the sequential mode of operation is disabled and the UNLOAD command becomes a no op If the device...

Страница 186: ...e will be positioned at the beginning of Partition 0 If the Load bit is set and the media is already loaded no action is taken If the media was unloaded but the cartridge was not removed a Load will c...

Страница 187: ...d can be used to position back to the same logical position for high performance restore operations of particular blocks of data BT The Block Type bit indicates how the Block Address field is interpre...

Страница 188: ...reader with information about log page format parameters and supported pages The command specific bits are used as follows PCR If Parameter Code Reset bit is set to 1 and parameter list length is 0 a...

Страница 189: ...be modified When the PC field is set to 11b and the Parameter List Length field is 0 then all Current Cumulative Values will be reset to the Default Cumulative Values This is equivalent to clearing al...

Страница 190: ...e parameter value as the log parameters The following pages can be cleared in this manner Page Code Page Description 02b Write Error Counter Page 03b Read Error Counter Page 32b Compression ratio page...

Страница 191: ...1 0 0 Reserved Page Code Byte 1 Reserved 2 MSB Page Code 3 LSB Log Parameters 0 MSB Parameter Code 1 LSB 2 DU DS TSD ETC TMC Rsvd LP 3 Parameter Length Byte 4 MSB 5 Parameter Value 6 7 LSB Figure 8 1...

Страница 192: ...the cumulative value is updated Comparison criteria is defined in TMC If the comparison is met and the RLEC bit of MODE SELECT SENSE Control Page is set to 1 then a UNIT ATTENTION is generated for all...

Страница 193: ...________________________________________________ Error Detection Summary in Log Select Pages The host should issue a LOG SENSE command to initialize host software which allows Correct determination of...

Страница 194: ...ointer field and return the number of bytes specified in the Allocation Length field in ascending order of parameter codes from the specified log page A PPC bit of zero and a Parameter Point field of...

Страница 195: ...Current Cumulative Values are the values computed since the last reset of the device either by power cycling BUS DEVICE RESET or SCSI RESET The Default Cumulative Values are the values to which each p...

Страница 196: ...field contains 2 then only parameters 3 and 6 are returned to the initiator If Parameter Pointer is larger than the highest numbered parameter on the page then the target will terminate the command wi...

Страница 197: ...ted If the parameter pointer is larger than the highest numbered parameter on the page If SP bit is set to 1 If the Allocation Length is smaller than the data being returned by target 8 4 8 1 Supporte...

Страница 198: ...2 DU DS TSD ETC TMC Rsvd LP 3 Parameter Length Byte 4 MSB Parameter Value 11 LSB Figure 8 21 Read Write Error Log SENSE Page Format Page Code The Page Code echoes the page code that was specific in th...

Страница 199: ...is set by the drive when accumulated values reach maximum This is also returned set if the host set the bit in the last LOG SELECT command The default is zero _________________________ NOTE _________...

Страница 200: ...______________________________________________________ Parameter Code Basis of Comparison 00b Every update of the cumulative value 01b Cumulative value equal to threshold value 10b Cumulative value no...

Страница 201: ...t one greater than the Parameter Number specified in the CDB Parameter Code Parameter code values are assigned from 0 to 27 where 0 would be the oldest event stored and the highest parameter code retu...

Страница 202: ...escription 00h Read Compression Ratio 100 01h Write Compression Ratio 100 02h MBytes Transferred to Host 03h Bytes Transferred to Host 04h MBytes Read from Tape 05h Bytes Read from Tape 06h MBytes Tra...

Страница 203: ...te This bit is always zero DS Disable Save Saving parameters is not supported this bit will always be set to 1 TSD Target Save Disable Saving parameters is not supported this bit will always be set to...

Страница 204: ...this bit is always a zero TMC Threshold Met Criteria Always a zero LP List Parameter This bit will always be set to zero as we treat the parameter codes as data counter Counter Value These parameter...

Страница 205: ...tiator to the buffer Parameter code 06 reports the number of full megabytes transferred Parameter code 07 reports the number of bytes less than a full megabyte that has been transferred Multiplying th...

Страница 206: ...drive to the host s preferred configuration The drive always powers up with its default configurations set This is also true if the drive receives a BUS DEVICE RESET message or a hard reset through th...

Страница 207: ...Vendor Unique Parameter List Figure 8 30 MODE SELECT Parameter List Media Type This field is ignored by MODE SELECT command Buffered Mode The drive will implement Immediate Reporting on WRITE command...

Страница 208: ...mode enabled will cause some capacity loss depending on compression ratios This is because the block packing feature is essentially disabled by turning off buffered mode If this field is greater than...

Страница 209: ...hout compression 81h 62500 bpi 64 track pairs serial cart tape 20 30 GB with compression 82h 81633 bpi 64 track pairs serial cart tape 20 GB without compression 83h 81633 bpi 64 track pairs serial car...

Страница 210: ...it is reserved For the MODE SENSE command a Parameters Savable PS bit of one indicates that the page can be saved in nonvolatile memory by the drive If the PS bit is zero the supported parameters cann...

Страница 211: ...created with Sense Key of Recovered Error and VU Sense Data detailing the cause Normally these events should be rare and only occur if the recovered write or read retry rates reach excessive levels Op...

Страница 212: ...SCSI Interface 8 52 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Write Retry Count This field reports the maximum number of overwrite retries that will be performed before declaring an unrecoverab...

Страница 213: ...ze LSB 12 Reserved DTDC 13 Reserved 14 Reserved 15 Reserved Figure 8 33 Disconnect Reconnect Page Format In this page only the Maximum Burst Size parameter is changeable The following parameters in th...

Страница 214: ...mand has started until all data the command is to transfer has been transferred 10b Reserved 11b A target does not attempt to disconnect once the data transfer of a command has started until the comma...

Страница 215: ...DLT4000 SCSI Interface DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 8 55...

Страница 216: ...35 Control Mode Page 0Ah A report log exception condition RLEC bit of one specifies the target reports log exception conditions An RLEC bit of zero specifies the target is not reporting log exception...

Страница 217: ...ention when a threshold condition is met Queue Algorithm Modifier This field must be 0 QErr Queue Error This bit must be 0 DQue Disable Queuing This bit must be 0 EECA Enable Extended Contingent Alleg...

Страница 218: ...mpression Algorithm LSB 12 MSB 15 Reserved LSB Figure 8 36 Data Compression Page 0Fh Page Code The Page Code identifies the type of MODE SELECT page being transferred This is the Data Compression Page...

Страница 219: ...d for this field is 10h _________________________ NOTE ____________________________ Specifying a value other than 10h for this field causes the DLT4000 drive to return Check Condition status with the...

Страница 220: ...ition 4 Write Buffer Full Ratio 5 Read Buffer Full Ratio 6 MSB 7 Write Delay Time LSB 8 DBR BIS RSmk AVC SOCF RBO REW 9 Gap Size 10 EOD Defined EEG SEW Reserved 11 MSB 12 Buffer Size at Early Warning...

Страница 221: ...mic can cause data to be written sooner than the Write Delay time would indicate The Write Delay Time defaults to 200 C8h This causes the buffer to be flushed in 20 seconds Maximum value is 6500 1964h...

Страница 222: ...ze at EW is not supported and must be zero Select Data Compression Algorithm One enables data compression a zero disables it The front panel setting will override what is specified in the MODE SELECT...

Страница 223: ...partitions are supported this field must be zero Additional Partitions Defined The field specifies the number of additional partitions to be defined for the tape based on the settings of the SDP and...

Страница 224: ...t command It has the following format 0 PS 0 0 Page Code 1 Additional Page Length 2 ASCII String of parameter name and value Figure 8 39 EEROM Vendor Unique Page Format The ASCII string has a paramete...

Страница 225: ...ger bit 1 enable media changer bit in byte 6 of inquiry data LOADERLUN ASCII Decimal 1 1 1 7 LUN to report media loader device on REWINDONRESET ASCII Binary 1 1 0 Do not rewind on Bus Reset or BDR msg...

Страница 226: ...TSYNCNEG ASCII Binary 0 0 To enable target initiated synchronous negotiation if set REPORTRCVDPERRS ASCII Binary 1 0 To report recovered error if parity error has been retried successfully if set ENAT...

Страница 227: ...is set to infinite SCSIRESELRETRIES ASCII Decimal 10 1 The number of reselection retries the drive made before giving u Each reselection retry occurred every 1 second When set to 0 the drive does infi...

Страница 228: ...f an EEROM vendor unique page that will modify the VENDORID parameter to XXXYY 0 0 0 Page Code 3EH 1 Page Length 0FH 2 v 76H 3 e 65H 4 n 6EH 5 d 64H 6 o 6FH 7 r 72H 8 i 69H 9 d 64H 10 20H 11 X 58H 12...

Страница 229: ...f an EEROM vendor unique page that will modify the FORCEDENSITY parameter to 1 0 0 0 Page Code 3EH 1 Page Length 0FH 2 F 46H 3 O 4FH 4 R 52H 5 C 43H 6 E 45H 7 D 44H 8 E 45H 9 N 4EH 10 S 53H 11 I 49H 1...

Страница 230: ...age Parameter Default Minimum Maximum Header Buffered Mode Device Specific Byte 1 0 1 Block Descriptor Length 08h 00h 08h Block Descriptor Block Length 2 6 GB and 6 0 GB mode 10 0 GB 15 0 GB 20 0 GB 3...

Страница 231: ...Operation Code 1Ah 1 Logical Unit Number Rsvd DBD Reserved Byte 2 PC Page Code 3 Reserved 4 Allocation Length 5 Unused Reserved Flag Link Figure 8 42 MODE SENSE CDB 6 The DLT4000 products also support...

Страница 232: ...It is a complementary command to MODE SELECT DBD If the Disable Block Descriptors bit is zero the device returns the Block Descriptor Data If set then the Block Descriptor information is not returned...

Страница 233: ...cific page or all the pages supported by the drive Allocation Length The Allocation Length field specifies the number of bytes that the host has allocated for returned MODE SENSE data An Allocation Le...

Страница 234: ...Byte 0 Sense Data Length 1 Media Type 2 WP Buffered Mode Speed 0 3 Block Descriptor Length 08h Figure 8 45 MODE SENSE 6 Data Header The MODE SENSE 10 data contains an 8 byte header followed by one 8...

Страница 235: ...age Length 2 Page Defined or Vendor Unique Parameter Bytes Figure 8 48 MODE SENSE Page Descriptor Data Length The Sense Data Length specifies the length in bytes of the following MODE SENSE data that...

Страница 236: ...ity Speed The tape drive supports only one speed the default speed Block Descriptor Length This specifies the length in bytes of all the block descriptors Since the drive only allows one block descrip...

Страница 237: ...ium characteristics specified by the block descriptor Block Length This specifies the length in bytes of each logical block transferred over the SCSI bus A block length of zero indicates that the leng...

Страница 238: ...11h Medium Partition Both 3Eh EEPROM parameter Both 3Fh All Pages Except EEPROM Sense Figure 8 49 MODE SENSE Pages Supported PS Bit A Parameters Savable PS bit of one indicates that the page can be s...

Страница 239: ...50 Error Recovery Page Format Option Flags TB The Transfer Block when not fully recovered function is not supported EER The Enable Early Recovery function is always enabled PER The Post Error bit turn...

Страница 240: ...SCSI Interface 8 80 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Write Retry Count This field reports the maximum number of overwrite retries that will be performed before declaring an unrecoverab...

Страница 241: ...it LSB 10 MSB 11 Maximum Burst Size LSB 12 Reserved DTDC 13 Reserved 14 Reserved 15 Reserved Figure 8 51 Disconnect Reconnect Page Format The following parameters in this page are supported Maximum Bu...

Страница 242: ...e being transferred The value returned for the Page Code is 0Ah Control Mode Page Page Length The Page Length indicates the number of bytes in the Control Mode Page that follow this byte The value ret...

Страница 243: ...xtended Contingent Allegiance returned for this field is 0 RAENP Ready AEN Permission value returned for this field is 0 UAAENP Unit Attention AEN Permission returned for this field is 0 Ready AEN Hol...

Страница 244: ...ed LSB Figure 8 53 Data Compression Page 0Fh PS Parameters Savable The Parameters Savable bit indicates if the MODE SENSE parameter data contained in this page is savable The DLT4000 drive does not su...

Страница 245: ...ta Decompression Enable or disabled as follows 0 Data decompression is disabled When the DLT4000 drive reads compressed data from tape it automatically decompresses the data before sending it to the i...

Страница 246: ...e 3 Active Partition 4 Write Buffer Full Ratio 5 Read Buffer Full Ratio 6 MSB 7 Write Delay Time LSB 8 DBR BIS RSmk AVC SOCF RBO REW 9 Gap Size 10 EOD Defined EEG SEW Reserved 11 MSB 12 Buffer Size at...

Страница 247: ...tten sooner than the Write Delay time be flushed in 20 seconds Maximum value is 6500 1964h and the minimum is 15 Fh This represents delays from almost 11 minutes down to 1 5 seconds DBR set to 0 Data...

Страница 248: ...ditional partitions are supported this field will be zero Additional Partitions Defined The field specifies the number of additional partitions to be defined for the tape based on the settings of the...

Страница 249: ...SENSE command is required to retrieve the parameters If a 6 byte MODE SENSE command is used to Send a 10 byte MODE SENSE command to get the Parameter List The data returned by the 10 byte MODE SENSE...

Страница 250: ...he tape cartridge If this bit is set the Unload button on the drive front panel is effectively disabled and the UNLOAD command will not unload the media or the cartridge The When the Prevent bit is se...

Страница 251: ...nsfer Length specifies the number of blocks to be in Fixed Block mode When the Transfer Length is zero no data is transferred and the current position on A successful READ with the Fixed bit set to on...

Страница 252: ...mark EOM side If the drive detects EOD during the READ the drive will return a CHECK CONDITION status Within the Sense data the Valid bit is set and the Sense Key field is set to BLANK CHECK The EOM b...

Страница 253: ...not reflect the currently selected block size only the available limits MODE SENSE returns the current block size Bit 7 6 5 4 3 2 1 0 0 Reserved 1 MSB 2 Maximum Block Length Byte 3 LSB 4 MSB 5 Minimum...

Страница 254: ...buffer and the SCSI bus integrity Mode The drive supports the following values within the field If any nonsupported value is set the drive terminates the command with a CHECK CONDITION status and an...

Страница 255: ...igure 8 62 READ BUFFER Data Head Available Length The Available Length field specifies the total number of data bytes available in the target s buffer This number is not reduced to reflect the allocat...

Страница 256: ...DLT4000 SCSI Interface 8 96 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem Bit 7 6 5 4 3 2 1 0 0 Offset Boundary 0Ch 1 MSB Buffer Capacity 3 LSB Figure 63 READ BUFFER Descriptor...

Страница 257: ...d uses this identifier to position back to this same logical position in a high performance fashion The Block Type bit indicates how the position is interpreted Since this device uses the same logical...

Страница 258: ...t 7 6 5 4 3 2 1 0 BOP EOP BPU Reserved Partition Number 2 Byte 3 4 MSB 6 First Block Location LSB 8 9 10 11 LSB Reserved 13 14 Number of Block in Buffer LSB 16 17 18 19 LSB 8 READ POSITION Data Format...

Страница 259: ...ck address associated with the current physical position the next block to be transferred to the media and from the target s buffer If the buffer is empty or has only a partial block the same value as...

Страница 260: ...r after completion of a SEND DIAGNOSTIC command The following data will be returned by this command A REQUEST SENSE command should be issued to obtain more detailed information following a check condi...

Страница 261: ...LEASE UNIT allows an initiator to release a logical unit that was previously reserved using the third party reservation option If the third party 3rdPty bit is zero then the third party release option...

Страница 262: ...m the same initiator the appropriate values in the EOM Sense Key Additional Sense Code and Additional Sense Code Qualifier The positional information provided reflects the nondiagnostic data still in...

Страница 263: ...ment Number 2 mark EOM RSVD Sense Key MSB 4 Information Bytes 6 Byte 7 8 MSB Command Specific Information Bytes 10 LSB 12 13 Additional Sense Code Qualifier Sub Assembly Code 15 C D Reserved Bit Count...

Страница 264: ...on which occurs after detection of the Early Warning EOP marker The EOM and Additional Sense Code fields will be set For read type operations the drive does not return a CHECK CONDITION until the driv...

Страница 265: ...Assembly Code Unused at present returned as 0 C D When set indicates that the illegal parameter is in the CDB A C D of zero indicates that the illegal parameter is in the Parameter List from the initi...

Страница 266: ...a might not be present in the drive or may be in the process of loading or calibrating Medium Error An unrecoverable write read or positioning error has occurred Detailed device specific information m...

Страница 267: ...e error occurred during reading by the self tests invoked during execution of a Send Diagnostic Table 8 7 Additional Sense Codes Qualifiers Used ASC ASCQ Description 00h 00h 01h 02h 03h 04h 05h No Add...

Страница 268: ...arameter List Length Error 20h 00h Illegal opcode 21h 01h Invalid Element Address 24h 00h 81h 82h 84h 86h 87h 89h 8Bh 8Ch 8Dh 8Eh 8Fh Invalid CDB field Invalid mode on write buffer Media in drive Insu...

Страница 269: ...29h 2Ah 00h 01h 02h Reset occurred Mode parameters changed Log parameters changed 2Fh 00h Commands Cleared by another Initiator 30h 00h Cannot read medium 37h 00h Rounded Parameter 39h 00h Saving Par...

Страница 270: ...83h 84h 85h 86h 87h 88h C1h C2h C3h Internal Target Failure Unexpected Selection Interrupt Command complete sequence failure SCSI chip Gross Error Unexplained Residue in TC Registers Immediate data tr...

Страница 271: ...C ASCQ Description 53h 00h 01h 02h Media Load Eject failure Unload Tape failure Media Removal Prevented 5Ah 01h Operator Media Removal Request 5Bh 01h 02h Threshold Condition Met Log Counter at Maximu...

Страница 272: ...a CHECK CONDITION status with a sense key of UNIT ATTENTION on the next command following the condition It is not an error to issue RESERVE UNIT to a drive that is currently reserved to the requestin...

Страница 273: ...ing another RESERVE UNIT to the drive 8 4 19 1 Medium Changer Considerations The optional Element reservation feature defined for Medium Changer devices in SCSI 2 is not supported so the RESERVE comma...

Страница 274: ...the drive to position the tape at the beginning of the currently active partition Before rewinding the drive writes any write data that is buffered to the tape and appends an EOD marker Immed If the...

Страница 275: ...1 test To invoke the diagnostic a good portion of the controller hardware and software must be functioning properly This is the premise this test is based on that full power up testing is not necessar...

Страница 276: ...e beginning of track 1 Reads the records Rewinds the tape The execution time for the test is 6 minutes if calibration is not required This test is specified by setting the Self Test and UnitOfL bits a...

Страница 277: ...Illegal combination 0 1 1 Self Test 2 with default parameters 1 0 0 Self Test 1 with default parameters 1 0 1 Self Test 2 with default parameters 1 1 0 Self Test 1 with default parameters 1 1 1 Self T...

Страница 278: ...ld specifies how many blocks to write read starting first on track 0 then again on track 1 So if the Block Size and Count fields result in 3 tracks worth of data the test will Write tracks 0 1 2 Rewin...

Страница 279: ...ide more specific information 5h ILLEGAL REQUEST Illegal bit settings in the SEND DIAGNOSTIC command Eh Miscompare A compare error occurred during a read Table 8 11 Additional Sense Codes Additional S...

Страница 280: ...ing functions that are determined by Code and Count fields in the Command Descriptor Block Both forward toward EOM P and reverse toward BOM P positioning are provided Code The code is defined as follo...

Страница 281: ...spacing to EOD the Count field is ignored Forward movement occurs until the drive encounters EOD The position is such that a subsequent WRITE command would append data after the last object that has b...

Страница 282: ...ment If the drive has a tape loaded the command returns a GOOD status Otherwise CHECK CONDITION is reported It is possible to get multiple check conditions on a TEST UNIT READY command because of powe...

Страница 283: ...blocks beginning with the next block on the tape Both CRC and EDCs are validated Immed If this bit is set the Verify command will complete before any media movement is done that is when processing has...

Страница 284: ...uffer The drive flushes the write buffer to tape under the following conditions The write hold off time limit is exceeded See MODE SELECT command Receipt of the following nonwrite commands LOAD UNLOAD...

Страница 285: ...h defined in the MODE SELECT command Upon termination the tape is logically positioned after these blocks Transfer Length This field contains the length of the data transfer in bytes or blocks dependi...

Страница 286: ...e and SCSI bus integrity It is also used for downloading and updating controller microcode firmware Mode The drive supports the following values within the field If any other value is set the drive te...

Страница 287: ...an image This is to safeguard against accidentally starting a firmware update If a cartridge is loaded when all or part of a firmware image has been downloaded another WRITE BUFFER with Download mode...

Страница 288: ...of powerfail occurs or if the reprogramming fails part way through the subsystem will be unusable and the controller board will need to be replaced ___________________________________________________...

Страница 289: ...buffer to be flushed to media An Immed bit of zero indicates the status will not be returned until the operation is complete Number of Filemarks This is the number of consecutive marks to be written...

Страница 290: ...CSI Interface 8 130 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem CONDITION status in each case If the drive encounters the physical EOM when attempting a WRITE FILEMARKS CHECK CONDITION status is...

Страница 291: ...MODE SELECT 8 5 2 1A MODE SENSE 8 5 2 A5 MOVE MEDIUM 8 5 3 3C READ BUFFER 8 4 14 B8 READ ELEMENT STATUS 8 5 4 1C RECEIVE DIAG RESULTS 8 4 16 17 RELEASE 8 4 17 03 REQUEST SENSE 8 4 18 16 RESERVE 8 4 19...

Страница 292: ...INITIALIZE ELEMENT STATUS 07h Bit 7 6 5 4 3 2 1 0 0 Operation Code 07h 1 Logical Unit Number Reserved 2 Reserved Byte 3 Reserved 4 Reserved 5 Unused Reserved Flag Link Figure 8 83 Initialize Element...

Страница 293: ...IE ST IE MT 7 Reserved DT DT DT I E DT ST DT MT 8 Reserved 9 Reserved 10 Reserved 11 Reserved 12 Reserved MT DT MT I E MT ST MT MT 13 Reserved ST DT ST I E ST ST ST MT 14 Reserved IE DT IE I E IE T I...

Страница 294: ...DLT4000 SCSI Interface 8 134 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem The medium changer does not support ST ST or DT DT...

Страница 295: ...2 MSB 1st Medium Transport Element Address 01h 3 LSB 4 MSB Number of Medium Transport Elements 1 5 LSB 6 MSB 1st Storage Element Address 100h 7 LSB 8 MSB Number of Storage Elements 9 LSB Byte 10 MSB...

Страница 296: ...t 1 Medium Transport Element 2 0Fh Reserved 10h Data Transfer Element tape drive 11h 0FFh Reserved 100h Medium Storage Element Magazine slot 0 101h Medium Storage Element Magazine slot 1 102h Medium S...

Страница 297: ...h has the following format Bit 7 6 5 4 3 2 1 0 0 PS 0 Page Code 1Eh Byte 1 Additional Page Length 02h 2 Reserved Rotate 3 Member Number in Transport Element Set 0 Figure 8 86 Transport Geometry Page F...

Страница 298: ...rt element Address 3 LSB Byte 4 MSB Source Address 5 LSB 6 MSB Destination Address 7 LSB 8 Reserved 9 Reserved 10 Reserved 11 Unused Reserved Flag Link Figure 8 87 MOVE MEDIUM CDB The Move Medium comm...

Страница 299: ...t supported 4h Data Transfer Element tape drive 5 Fh reserved Figure 8 89 Element Type Code Definitions The format of Element Status data is defined in the SCSI 2 specification The following sections...

Страница 300: ...idge Tape Subsystem 8 5 4 1 Element Status Data Header Bit 7 6 5 4 3 2 1 0 0 MSB First Element Address Reported 1 LSB 2 MSB Number of Elements Reported Byte 3 LSB 4 Reserved 5 MSB 6 Byte Count of Repo...

Страница 301: ...ransport Element Address 01h LSB 10 Reserved Except Rsv d Full 11 Reserved 12 Additional Sense Code 13 Additional Sense Code Qualifier 14 Reserved Byte 15 Reserved 16 Reserved 17 SValid Invert Reserve...

Страница 302: ...erved 16 Reserved 17 SValid Invert Reserved 18 MSB 19 Source Element Address LSB 20 Reserved 21 Reserved 22 Reserved 23 Reserved 24 Density Code of Media 0 if empty VU 25 Unused VU 26 to n Descriptors...

Страница 303: ...ier 14 NotBus Rsvd IDValid LUValid Rsvd Logical Unit Number Byte 15 SCSI Bus Address same as tape drive s 16 Reserved 17 SValid Invert Reserved 18 MSB Source Element Address 19 LSB 20 Reserved 21 Rese...

Страница 304: ...DLT4000 SCSI Interface 8 144 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...

Страница 305: ...ni library Physical Descriptions A 2 DLT4000 Drive Table Top DLT4500 Mini library DLT4700 Mini library A 2 1 A 2 2 A 2 3 Functional Specifications A 3 DLT4000 Drive A 3 1 Identifying the Correct AC Po...

Страница 306: ...ht 2 9 kg 6 lb 6 63 kg 14 lb 9 oz Shipping Weight 3 86 kg 8 lb 8 oz depending on configuration 10 01 kg 22 lb 0 4 oz depending on configuration Environmental temperature Operating 10 C to 40 C 50 F to...

Страница 307: ...y state 27 W maximum 50W maximum Power Consumption 5 5 Volt Bus 2 0 A steady state 2 5 A maximum N A 12 5 Volt Bus 0 8 A steady state 1 5 A maximum N A Communication interface SCSI 2 bus 8 bits single...

Страница 308: ...midity Operating 20 to 80 noncondensing 20 to 80 noncondensing Nonoperating 10 to 95 10 to 95 Certifications EMI Meets CEmark Class A VCCi Class 1 CISPR 22 Class A FCC Class A devices Meets CEmark Cla...

Страница 309: ...o 150 8 F Humidity Operating 20 to 80 noncondensing 20 to 80 noncondensing Nonoperating 10 to 95 10 to 95 Certifications EMI Meets CEmark Class A VCCi Class 1 CISPR 22 Class A FCC Class A devices Meet...

Страница 310: ...ata DLTtape III Capacity formatted native 10 0 GB user data Capacity formatted compressed 2 11 20 0 GB user data Interface 8 bit SCSI 2 single ended or differential Drive Type DLT streaming 10 0 15 0...

Страница 311: ...Functional Specifications Error Rate Unrecoverable Read interchange recoverable error rate Read unrecoverable error rate Tracks 128 tracks 64 pairs Linear Bit Density 81 600 bpi per track 1 Nominal c...

Страница 312: ...ot correct contact your authorized Quantum service representative The AC power cord used with this equipment must meet the following criteria 1 UL and CSA Certified cordage rated for use at 250 VAC wi...

Страница 313: ...Technical Specifications DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem A 9 Figure A 1 shows the different AC power cord plug configurations for 115V and 220V 240V usage Figure A 1 Power Cords...

Страница 314: ...ptions Figure A 2 shows the mounting holes and dimensions in a top view of the DLT4000 drive Figure A 2 Mounting Hole Dimensions Top View Tape drive width and height are standard 5 1 4 inch disk drive...

Страница 315: ...cal Specifications DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem A 11 Figure A 3 shows the mounting holes and dimensions in a side view of the DLT4000 drive Figure A 3 Mounting Hole Dimensions Side...

Страница 316: ...pe Tension Nominal tape tension is 3 0 1 oz when stationary 4 7 1 oz at operating speed A 6 2 DLT4000 Timing Characteristics Table A 5 lists timing characteristics of the DLT4000 tape drive Table A 5...

Страница 317: ...2 sec Error recovery 51 sec Load media on to drive ready for I O processing 48 0 sec Unload media from drive to cartridge from BOT 17 0 sec A 6 4 DLT4700 Media Loader Timing Characteristics Table A 7...

Страница 318: ...ols Moderate control tolerances Systems capable of maintaining comfort levels for example typical offices and general work areas Marginal heating or cooling apparatus No humidity conditioning Uncontro...

Страница 319: ...ed or Packed Dry Bulb Temperature Range 40 to 66 C Wet Bulb Temperature 46 C Temperature gradient 20 C h with 5 margin across the range Temperature shock 15 C with 5 margin over two minutes Relative h...

Страница 320: ...fications Vibration type Sine Sweep Frequency range 5 500 5 Hz Upward and downward sweep Acceleration level 0 25 G 0 010 DA Between 22 and 500 Hz Between 5 and 22 Hz crossover Application X Y and Z ax...

Страница 321: ...each axis 35 sec between shocks 60 shocks total A 8 2 Nonoperating Shock and Vibration Table A 15 lists Nonoperating shock bench handling specifications for the tabletop product without its shipping...

Страница 322: ...RMS overall in horizontal x and y axes PSD envelope vertical 5 to 10 Hz 10 to 50 Hz 50 to 300 Hz 0 003 G2 Hz 5 to 0 020 10 Flat 0 020 G2 Hz 0 020 G2 Hz 50 w 8 db oct rolloff PSD envelope horizontal 5...

Страница 323: ...Shock Drop Specifications Table Top and Drive Test type Drop shock Drop height 42 in items 20 0 lbs 36 in 20 0 items 40 0 lbs Application 16 drops total Table A 20 Nonoperating Unpackaged Vibration Sp...

Страница 324: ...pecifications Nonoperating Unpackaged Pulse shape Square wave Peak acceleration 40 G 180 in sec velocity changing Duration 10 ms Application X Y and Z axes twice in each axis total of 6 shocks Pulse s...

Страница 325: ...ons A 9 2 Radiated Emissions A 9 3 Magnetic Radiated Susceptibility A 9 4 Radiated Susceptibility A 9 5 Conducted Susceptibility A 9 6 ESD Failure Level Limits A 9 7 Acoustic Noise Emissions A 9 8 A 9...

Страница 326: ...o 5 56 46 5 to 30 60 50 The limit decreases with the logarithm of the frequency A 9 3 Radiated Emissions Limits of radiated interference field strength in the frequency range from 30 MHz to 30 GHz at...

Страница 327: ...e above the normal ac voltage from the power source Table A 26 lists the voltage limits for power and data cables Table A 26 Fast Transient Bursts for Power and Data Cables 2 kV S W recoverable errors...

Страница 328: ...owable Errors Hard Office 1 to 12 kV No operator intervention soft recoverable allowed Hardware Office Up to 15 kV No component damage operator intervention allowed soft hard errors allowed A 9 8 Acou...

Страница 329: ...l LwAd B LpAm dBA Zuschauerpositionen Ger t Leerlauf Betrieb Leerlauf Betrieb TH5xx 5 5 45 TH5Bx 5 2 5 3 39 40 TH5Ex 5 5 5 6 33 33 TH5Fx 5 5 5 6 33 33 TH5Hx 4 8 5 3 35 40 Table A 30 Acoustic Noise Dec...

Страница 330: ...L1950 Information Technology Including Electrical Business Equipment CSA C22 2 220 Information Technology Including Electrical Business Equipment TUV EN60950 IEC 950 Information Technology Including E...

Страница 331: ...ife statistics provide the point at which statistical failure rate begins to rise Head life 10 000 tape motion hours Continuous operation MTBF 80 000 hours Quantum Corporation does not warrant that pr...

Страница 332: ...Dimensions 4 1 in x 4 1 in x 1 0 in Shelf Life 30 years min 20 C 40 RH non condensing Usage 500 000 passes DLTtape IIIxt Media Description Quantity Width 0 5 in metal particle Length 1800 ft Cartridg...

Страница 333: ...____ This byte has two formats a byte code and a bit flags format The bit flags format is used when there is no internal status code to report and can be distinguished by bit 7 being set _____________...

Страница 334: ...1 15 Data synchronization error read after write not happening 22 16 Missing block s in current entity 23 17 Drive hardware write protected 24 18 Reposition target not found 25 19 Long gap encountered...

Страница 335: ...0 Medium changer hardware error 49 31 Medium changer controller error 50 32 Unrecognized medium changer subcommand 51 33 Medium changer fatal error 52 34 Medium changer is in manual mode 53 35 68020 d...

Страница 336: ...Definition of Vendor Unique Sense Data Information B 4 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...

Страница 337: ...g Overflow 37 00 Rounded Parameter 3B 08 Repositioning error 44 C1 Internal Target failure EEROM copy 1 area bad 44 C2 Internal Target failure EEROM copy 2 area bad 44 C3 Internal Target failure EEROM...

Страница 338: ...ock read 14 00 Recorded Entity Not Found 15 02 Position error detected by read of medium 30 00 Can t Read Medium 3B 00 Sequential positioning error 3B 08 Repositioning error 51 00 Erase Failure 80 00...

Страница 339: ...ransfer timeout 44 86 Insufficient CDB bytes 44 87 Disconnect SDP sequence failed 44 88 Bus DMA transfer timeout 48 00 IDE Message received 47 00 SCSI Parity Error 51 00 Erase Failure 53 00 Media Load...

Страница 340: ...D Media Destination Element Full 3B 0E Media Source Element Empty 3D 00 Invalid Bits in ID Message 53 02 Media Removal Prevented 82 00 Not allowed if not at BOT Unit Attention 6 28 00 Not Ready To Rea...

Страница 341: ..._______________ The Filemark EOM ILI bits may be set even though ASC ASCQ 00 00 ___________________________________________________________ 1 FM EOM ILI bit may be set with no sense key 0 and ASC ASCQ...

Страница 342: ...Sense Key Information C 6 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...

Страница 343: ...conform to the standard EEROM LOG packet envelope as shown in Figure D 1 The information logs are maintained as a circular buffer a new entry will overwrite the oldest existing entry At any point in t...

Страница 344: ...le a hardware failure or an internal system consistancy failure might cause a bugcheck These events cause Bugcheck packets to be written into EEROM Refer to Figure D 2 for the detailed packet layout T...

Страница 345: ...r Interrupt possible ECM fault EE03 Spurious Level 5 interrupt GPSP possible ECM fault EE04 Spurious Drive Comm Interrupt possible ECM fault EE05 Spurious Loader Comm Interrupt possible ECM fault EE06...

Страница 346: ...s encoded as a 4 byte vector In some cases multiple vectors may be stored as shown in Figure D 3 Figure D 3 POST LOG Packet Layout D 4 Event Log packets Event logs are non fatal and can occur to log e...

Страница 347: ...Event Log Code Meaning 0xA400 Hard Read Error Log 0xA401 Hard Write Error Log 0xA402 Drive Error Log 0xA403 Loader Error Log 0xA407 Directory Read Fail 0xA408 Directory Write Fail D 4 1 Directory Fail...

Страница 348: ...r Called Mode A code which specifies the original reason for the directory call A value of 1 indicates a directory READ on load a value of 2 indicates a directory WRITE on UNLOAD a value of 3 indicate...

Страница 349: ...x80 Reserved D 5 Primary Status Secondary Status Table D 5 Directory Event Status Primary Secondary Meaning 0 0 Status Unknown 1 1 No Directory 50 70 Format 1 10 Inconsistent Formats 1 11 Wrong Format...

Страница 350: ...S D 6 Code Update CUP Status Packet The CUP status packet is written after every code update attempt regardless of its status Refer to Figure D 6 for the overall packet layout The Old 68020 and Old Se...

Страница 351: ...EEROM Resident Bugcheck and Event Logs DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem D 9 Figure D 6 Code Update CUP LOG Packet Layout...

Страница 352: ...54 Erase of FLASH Memory Failed 55 FLASH Memory Clear zero Failed 56 Invalid Image Compressed Table D 7 Servo Code Update Status Status Meaning 0 No Update Operation Performed 1 Code Update Operation...

Страница 353: ...ch 3 17 preserving 3 26 removing 4 29 removing from the magazine 5 24 storage 3 26 unloading 3 24 4 32 5 19 using a 3 22 using cleaning tape cartridge 3 23 write protect switch 4 25 5 21 Cartridge ins...

Страница 354: ...s clearing for magazine 6 5 DLT4500 Loader error description 6 5 DLT4500 Loader timing characteristics Loader performance specifications A 13 DLT4500 Magazine status of 6 5 DLT4500 Magazine error 6 5...

Страница 355: ...ration 5 3 H Header and data mode 8 127 High energy transient voltage power cables A 23 Host selection density 4 23 Humidity Environmental specifications A 14 I Indicators beeper 3 12 description 3 12...

Страница 356: ...8 71 pages 8 78 parameter list 8 74 MODE SENSE SELECT 8 133 MOVE MEDIUM 8 138 N Native default density 4 23 Nominal tape tension performance specifications A 12 Nonoperating Shock A 17 Nonoperating Vi...

Страница 357: ...3 Performance specification DLT4000 tape drive A 12 PO ST failure packets D 4 POST 5 16 POST drive 3 13 POST events 4 9 Power connectors 3 7 Power cord connection 2 8 Power problems 6 9 Power on 8 3...

Страница 358: ...nctions SCSI ID Select 4 18 T tabletop 2 9 Tape Cartridge 3 17 4 24 Tape Cartridge positioning the write protect switch 4 24 Tape drive SCSI commands 8 14 Tape leader 6 4 Tape writing to 8 4 Technical...

Страница 359: ...Index DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 7...

Страница 360: ...Index 8 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...

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