User GuideTable of ContentsIntroduction1Chapter 1: The Evolving Tape Storage Market9Market Size9From Mainframe to Client/Server10New Storage Strategies11Centralized Management13Mission Critical Applications14Vertical Markets15Content is Everything16Tape Technology Trends16Range of Products19Ease of Use19Application Diversity20The Last Word21Chapter 2: What Is The DLTtape System?22Speed, Capacity, Reliability22Half-Inch Tape23Linear Recording, Versus Helical Scan23Maintaining Compatibility25Simpler Tape Path27Single Reel Design31Chapter 3: History of DLTtape Technology33No Take-Up Reel33Need For Precision35Head Guide Assembly36Write/Read/Write36Seven-Cartridge Autoloader36Quantum Enters the Picture38Potential for Success38Sales Growth39Others Playing Catch-up39DLT 8000 Drive40DLTtape System Sales Growth41The Next Generation: Super DLTtape technology41DLT1 Drive42Chapter 4: Why Customers Want DLTtape Systems43The Server Boom43The Mission-Critical Boom44A Proven Technology44Widely Available45Speed Is Critical45Bigger Is Better46More Reliable47Heavy Duty47Economy47True Cost49Scalability49Room To Grow49DLTtape System Compatibility51Chapter 5: Reliability: The Heart of the DLTtape System55You Count On Tape Backup55Head Guide Assembly56Tape Handling56Self-Cleaning Head60Error Detection61Adaptive Cache Buffering62Duty Cycle62Chapter 6: Demystifying Tape Drive Specs64Capacity and Data Compression65Performance and Compression66Load Time67Compression Algorithms67Reliability/MTBF67Reliability and Environment68Head Life68Durability: Tape Pass68Data Integrity-Error Correction70Conclusion71Chapter 7: DLTtape Media72What Makes DLTtape Cartridges Better?73Understanding The Differences75Media Availability79Limited Warranty79CompacTape80Chapter 8: Automation81The DLTtape System and Libraries: A Perfect Combination81Backup To The Future82Applications For Tape Automation83Growth of SANs and NAS84Benefits of Tape Automation86Stacker, Autoloader, or Library?87Inside Tape Libraries88Start With DLTtape Technology91Software and Centralized Backup Management92Chapter 9: Horizontal Applications94Backup and Archiving95File-by-File Vs. Image Backups96Near On-Line Storage97Hierarchical Storage Management (HSM)98Virtual Tape100RAIT101Disaster Recovery102Library Management104Chapter 10: Vertical Market Applications105DLTtape System Records Moments of Creation1058mm Couldn't Take It106Not Just For IS Anymore106Super DLTtape Technology in Vertical Applications108E-Commerce109Working In The Data Mines111Medical Imaging112Data Acquisition112Geophysical Data Collection113Disaster Recovery114Digital Publishing116Backup For "Road Warriors"117Remote Backup for Medical Information117Law Firm Backs Up Time and Billing Data118Multimedia118Some Time Travel Required119Video Editing Applications119Video On Demand120Digital Nonlinear Editing121Chapter 11: DLTtape System Technology Compared123Before You Go Shopping...123DLTtape System Technology Details124DLT1127Super DLTtape Technology Details127Helical Scan Systems129Sony AIT-2130Exabyte Mammoth-2130DDS-4130Ultrium130Quarter-Inch Tape (QIC)131Optical Options132Chapter 12: Evaluating the Cost of a DLTtape Backup Solution135What Does DLTtape System Backup Cost?135What's It Worth To You?136Look At All The Pieces136What Does Media Cost?137Compatibility Can Save Money138Labor Costs139What Does Downtime Cost?140Chapter 13: Platform Connectivity and Software Compatibility142Getting Along With Others142Host Attachment144Native Tools144platform and Software Qualification Programs145Reliability Qualification Testing (RQT)145Qualification Process Ensures Satisfaction146Software Support146DLTtape Tools Available on Web Site147Seeking Software147Chapter 14: Storage Management Software149Evolving Storage Needs149What's In The Mix?150DLTtpe System Technology and Storage Management152Chapter 15: Firmware154Firmware and Your DLTtape System155SCSI Interface156Firmware Speeds Vendor Qualification156Different Firmware For Libraries157Field Upgrades Offer New Features/Fixes157Two Ways To Upgrade158Looking Back While Moving Forward159Chapter 16: Using the DLTtape System161Read The Directions161DLTtape Media Do's and Don'ts162DLTtape Drives Do's and Don'ts164Resources For You167Chapter 17: Super DLTtape: The Future of DLTtape Technology169Current Trends169Big Iron In Server Clothing170Library Trends170DLTtape System Products For Every Market171Raising The Bar172Super DLTtape Technology172Why Super DLTtape Will Win: Business Reasons173Seamless Transition174Ubiquity174Why Super DLTtape Technology Will Win: Innovation175LGMR Technology176Pivoting Optical Servo (POS)177Magneto-Resistive Cluster Heads (MRC)178New High-Efficiency PRML Channel179Advanced Metal Powder Media (AMP)179Positive Engagement Tape Leader Buckling Mechanism180New, Rugged Media Cartridge181Modular Design181Managing Technology Risk182Appendix A184Glossary189Index209Size: 1.35 MBPages: 219Language: EnglishOpen manual
User GuideTable of Contents1.1 IN THIS CHAPTER11.2 PRODUCT OVERVIEW11.3 FAST DATA TRANSFER RATE11.4 HIGH-CAPACITY11.5 COMPACTION11.6 STRONG MEDIA11.7 COMPATIBILITY11.8 FIRMWARE UPDATE CAPABILITY11.9 EMBEDDED DIAGNOSTICS12.1 IN THIS CHAPTER22.2 PREPARE FOR THE INSTALLATION22.2.1 Before You Start22.2.2 Installation Setup22.2.3 Site Setup22.2.4 Site Guidelines22.3 INSTALL THE SUBSYSTEM22.4 CONFIGURE THE DLT2000 TABLETOP22.4.1 Configuration Guidelines22.4.2 DISABLE PARITY Checking22.4.3 Changing the SCSI ID22.5 CONNECT THE CABLES22.5.1 Examine the DLT2000 Rear Panel22.5.2 Connect the SCSI Signal Cable22.5.3 Terminate the SCSI Bus22.5.4 Connect the Power Cord22.6 TEST THE INSTALLATION22.6.1 Run POST22.6.2 What to Do after POST22.7 DLT2000 TROUBLESHOOTING CHART23.1 IN THIS CHAPTER33.2 BEFORE YOU INSTALL THE DLT2000 DRIVE33.2.1 Disabling Parity Checking33.2.2 Changing the SCSI ID33.2.3 Setting the TRM ENB (Single-ended only)/TRM PWR Jumpers33.2.4 Locating the SCSI Cable and Power Connectors33.3 SELECTING DENSITY33.4 OVERVIEW OF THE FRONT PANEL33.5 DESCRIPTION OF CONTROLS AND INDICATORS33.5.1 Beeper33.5.2 Unload Button33.5.3 Cartridge Insert/Release Handle33.5.4 Indicator Action during Power-On Self Test and Operation33.6 DESCRIPTION OF THE TAPE CARTRIDGE33.6.1 Cartridge Write-Protect Switch33.6.2 Data Protection33.7 LOADING A CARTRIDGE33.7.1 Tape in Use33.8 USING THE CLEANING TAPE CARTRIDGE33.9 UNLOADING A CARTRIDGE33.10 PRESERVING CARTRIDGES34.1 IN THIS CHAPTER44.2 INTRODUCTION TO THE MINI-LIBRARY44.3 CONFIGURE THE DLT250044.3.1 Configuration guidelines44.3.2 Connecting the SCSI Signal Cable44.4 INSTALLATION TESTING44.4.1 Run POST44.4.2 What to Do after POST44.5 OPERATOR CONTROL PANEL44.6 KEY LOCK44.6.1 OCP, locked or OCP, Disabled44.6.2 OCP, Unlocked or Enabled44.6.3 SCSI ID, setting44.7 SELECTING DENSITY44.7.1 Front panel, density select44.7.2 Host selection, density44.7.3 Native default, density44.8 DEFAULT OPERATING MODES44.8.1 Mode, normal44.8.2 Density Select Mode44.8.3 SCSI ID Select Mode44.8.4 Code update mode44.9 DESCRIPTION OF THE TAPE CARTRIDGE44.9.1 Tape Cartridge, positioning the write-protect switch44.9.2 Data protection44.10 DESCRIPTION OF THE MAGAZINE44.10.1 Insert cartridge, magazine44.10.2 Removing cartridge44.10.3 Magazine, removing from mini-library44.10.4 Magazine, installing44.10.5 Selecting a Cartridge from the Magazine44.10.6 Loading cartridge into the Drive44.10.7 Unloading cartridge from the drive44.10.8 Opening the Magazine Door44.11 WHEN TO USE THE CLEANING TAPE CARTRIDGE45.1 IN THIS CHAPTER55.2 INTRODUCTION TO THE MINI-LIBRARY55.3 CONFIGURING THE DLT270055.3.1 Configuration Guidelines55.3.2 Disable Parity Checking55.3.3 Change the SCSI ID55.4 MODE SELECT KEY55.4.1 OCP Disabled Mode55.4.2 Automatic Mode55.4.3 Manual Mode55.4.4 Service Mode55.5 SELECTING DENSITY55.6 OPERATOR CONTROL PANEL55.7 POWER-ON PROCESS55.8 SLOT SELECT, LOAD/UNLOAD55.8.1 Selecting a Cartridge55.8.2 Loading the Cartridge55.8.3 Unloading the Cartridge55.8.4 Opening the Receiver55.9 MAGAZINE55.9.1 Inserting a Cartridge55.9.2 Removing a Cartridge from the Magazine55.9.3 Removing the Magazine from the Receiver55.9.4 Installing the Magazine into the Receiver56.1 IN THIS CHAPTER66.2 CONDITIONS NECESSARY FOR BUTTON OPERATION66.3 BACKUP OPERATION FAILURE66.4 AVOIDING BASIC PROBLEMS66.5 DLT2500 ERROR CONDITIONS66.5.1 DLT2500 Magazine Error66.5.1.1 DLT2500 Clearing a Magazine66.5.2 DLT2500 Loader Error Description66.5.3 DLT2500 Drive Error Description66.5.4 DLT2500 Controller Error Description66.5.5 DLT2500 Unknown Error Description66.5.5.1 DLT2500 Clearing a Loader, Drive, Controller, or Unknown66.6 DLT2700 ERROR CONDITIONS66.6.1 DLT2700 Magazine Fault Cases66.6.2 DLT2700 Loader Fault Description66.7 POWER PROBLEMS67.1 IN THIS CHAPTER77.2 DLT2000 FIRMWARE UPDATE OVERVIEW77.2.1 Before Doing the Procedure77.3 CREATING A FIRMWARE UPDATE TAPE77.3.1 On UN*X Systems77.4 FIRMWARE UPDATE PROCEDURE77.4.1 Updating the Firmware on DLT2000 (Drive Only Configuration)77.4.2 Updating the Firmware on the DLT2500 (Drive and Loader Configuration)77.4.3 Updating the Firmware on the DLT2700 (Drive and Loader Configuration)78.1 OVERVIEW88.2 GENERAL SCSI BUS OPERATIONS88.2.1 Data Transfer88.2.2 Initiator/Target Operations88.2.3 SCSI IDs and Logical Unit Numbers (LUNs)88.2.4 Unit Attention Condition88.2.5 Behavior Around Power-On and SCSI Bus Reset88.2.6 Data Cache and Tape Write Interaction88.2.7 Other SCSI Functionality88.2.8 Bus Phases88.2.9 ATTENTION Signal Response88.2.10 STATUS phase88.2.11 BUS FREE88.2.12 BUS PARITY ERRORS88.3 SCSI MESSAGE SYSTEM88.4 TAPE DRIVE SCSI COMMANDS88.4.1 Control Byte - Flag and Link Bits88.4.2 Summary of Supported Sequential-Access Device Commands88.4.3 ERASE (19h)88.4.4 INQUIRY (12h)88.4.4.1 Drive Inquiry Response88.4.4 2 Vendor Unique Inquiry88.4.4.3 Vital Product Data Pages88.4.4.4 Media Loader Inquiry Response88.4.5 LOAD-UNLOAD (1Bh)88.4.6 LOCATE (2Bh)88.4.7 LOG SELECT (4Ch)88.4.7.1 Operation of LOG SELECT88.4.8 LOG SENSE (4Dh)88.4.8.1 Supported Pages Page Format88.4.8.2 Read/Write Error Log SENSE Page Format (Page 2 and 3)88.4.8.3 Last n Error Events Page (07h)88.4.8.4 Read/Write Compression Ratio Page Format (32h)88.4.9 MODE SELECT (15h)88.4.9.1 MODE SELECT Parameter List88.4.9.2 MODE SELECT Pages88.4.9.3 Control Mode Page (0Ah)88.4.9.4 Data Compression Page (0Fh)88.4.9.5 Device Configuration Page (10h)88.4.9.6 Disconnect/Reconnect Page88.4.9.7 Medium Partition Page (11h)88.4.9.8 Read/Write Error Recovery Page (01h)88.4.9.9 EEROM Vendor Unique Page (3Eh)88.4.9.10 MODE SELECT Changeable Parameters88.4.10 MODE SENSE (1Ah /5Ah)88.4.10.1 MODE SENSE Parameter List88.4.10.2 MODE SENSE Pages88.4.10.3 Control Mode Page (0Ah)88.4.10 4 Device Configuration Page (10h)88.4.10 5 Data Compression Page (0Fh)88.4.10 6 Disconnect/Reconnect Page88.4.10 7 Medium Partition Page (11h)88.4.10 8 Read/Write Error Recovery Page88.4.10 9 EEROM Vendor Unique Page (3Eh)88.4.11 PREVENT/ALLOW MEDIUM REMOVAL (1Eh)88.4.12 READ (08h)88.4.13 READ BLOCK LIMITS (05h)88.4.14 READ BUFFER (3Ch)88.4.14.1 Combined Header and Data Mode88.4.14.2 Data Mode88.4.14.3 Descriptor Mode88.4.15 READ POSITION (34h)88.4.15.1 READ POSITION Data Format88.4.16 RECEIVE DIAGNOSTICS RESULTS (1Ch)88.4.17 RELEASE UNIT (17h)88.4.17.1 Medium Changer Considerations88.4.18 REQUEST SENSE (03h)88.4.18 1 Sense Information Format88.4.19 RESERVE UNIT (16h)88.4.19.1 Medium Changer Considerations88.4.20 REWIND (01h)88.4.21 SEND DIAGNOSTIC (1Dh)88.4.22 SPACE (11h)88.4.23 TEST UNIT READY (00h)88.4.23.1 Medium Changer Considerations88.4.24 VERIFY (13h)88.4.25 WRITE (0Ah)88.4.26 WRITE BUFFER (3Bh)88.4.26.1 Header and Data Mode88.4.26.2 Write Data88.4.26.3 Download Microcode88.4.26.4 Download Microcode and Save88.4.27 WRITE FILEMARKS (10h)88.5 SUPPORTED SCSI-2 MEDIUM CHANGER DEVICE COMMANDS88.5.1 INITIALIZE ELEMENT STATUS (07h)88.5.2 READ ELEMENT STATUS (B8h)88.5.2.1 Element Status Data Header88.5.2.2 MEDIUM TRANSPORT ELEMENT STATUS PAGE88.5.2.3 Storage Element Status Page88.5.2.4 Data Transfer Element Status Page88.5.3 MODE SENSE/SELECT (1Ah/15h)88.5.3.1 Device Capabilities Page (1Fh)88.5.3.2 Element Address Assignment Page (1Dh)88.5.3.3 Transport Geometry Parameters Page (1Eh)88.5.4 MOVE MEDIUM (A5h)82-1 DRIVE FRONT PANEL22-2 CHANGING THE SCSI ID VIA THE PUSHBUTTON SWITCHPACK (LATER MODEL)22-3 REAR PANEL COMPONENTS23-1 DLT2000 DRIVE CONNECTORS33-2 SCSI ID CONNECTOR PINS33-3 JUMPER POSITIONS33-4 JUMPER SETTINGS FOR TRM PWR/TRM ENB CONNECTOR33-5 DLT2000 REAR CONNECTORS33-6 DLT2000 INDICATORS33-7 TAPE CARTRIDGE33-8 LOADING A CARTRIDGE33-9 UNLOADING A CARTRIDGE34-1 LOOSENING THE SHIPPING SCREW44-2 ROTATE THE LOCKING LEVER44-3 MINI-LIBRARY REAR PANEL COMPONENTS44-4 FRONT OF THE DLT250044-5 MINI-LIBRARY OPERATOR CONTROL PANEL44-6 WRITE-PROTECT SWITCH ON A CARTRIDGE44-7 DLT2500 MAGAZINE44-8 INSERTING A CARTRIDGE INTO THE MAGAZINE44-9 REMOVING A CARTRIDGE FROM THE MAGAZINE45-1 CHANGING THE SCSI ID VIA THE PUSHBUTTON SWITCH55-2 DLT2700 OPERATOR CONTROL PANEL55-3 WRITE-PROTECT SWITCH ON A CARTRIDGE55-4 INSERTING A CARTRIDGE INTO THE MAGAZINE55-5 REMOVING A CARTRIDGE FROM THE FRONT OF THE MAGAZINE55-6 RECEIVER OPENED56-1 OPENING THE CARTRIDGE DOOR TO CHECK THE TAPE LEADER67-1 DLT2700 SUBSYSTEM CONNECTORS77-2 JUMPER SETTINGS FOR TRM PWR/TRM ENB CONNECTOR78-1 EXTENDED MESSAGE FORMAT88-2 SDTR EXTENDED MESSAGE FORMAT88-3 ERASE CDB88-4 INQUIRY CDB88-5 INQUIRY RESPONSE DATA88-6 INQUIRY VENDOR UNIQUE BYTES DEFINITION88-7 SUPPORTED VITAL PRODUCT DATA PAGES88-8 UNIT SERIAL NUMBER PAGE88-9 FIRMWARE BUILD INFORMATION PAGE88-10 LOAD-UNLOAD CDB88-11 LOCATE CDB88-12 LOG SELECT CDB88-13 LOG PAGE CONTROL DEFINITIONS88-14 CLEARABLE LOG PAGES88-15 READ/WRITE ERRROR LOG SELECT PAGE FORMAT88-16 PARAMETER CODES SUPPORTED88-17 LOG SENSED CDB88-18 LOG PAGE CONTROL DEFINITIONS88-19 LOG SENSE PAGES SUPPORTED88-20 SUPPORTED PAGES PAGE FORMAT88-21 READ/WRITE ERROR LOG SENSE PAGE FORMAT88-22 PARAMETER CODES SUPPORTED88-23 THRESHOLD MET CRITERIA88-24 LAST N ERROR EVENTS PAGE88-25 PARAMETER CODES SUPPORTED88-26 READ/WRITE COMPRESSION RATIO PAGE HEADER88-27 READ/WRITE COMPRESSION RATIO LOG SENSE PAGE FORMAT88-28 READ/WRITE BYTES TRANSFERRED LOG SENSE PAGE FORMAT88-29 MODE SELECT CDB88-30 MODE SELECT PARAMETER LIST88-31 MODE SELECT PAGES SUPPORTED88-32 CONTROL MODE PAGE (0AH)88-33 DATA COMPRESSION PAGE88-34 DEVICE CONFIGURATION PAGE FORMAT88-35 DISCONNECT/RECONNECT PAGE FORMAT88-36 DATA TRANSFER DISCONNECT CONTROL88-37 MEDIUM PARTITION PAGE FORMAT88-38 ERROR RECOVERY PAGE FORMAT88-39 EEROM VENDOR UNIQUE PAGE FORMAT88-40 EEROM VENDOR UNIQUE PAGE EXAMPLE 188-41 EEROM VENDOR UNIQUE PAGE EXAMPLE 288-42 MODE SENSE CDB (6)88-43 MODE SENSE CDB (10)88-44 MODE SENSE PAGE CONTROL DEFINITION88-45 MODE SENSE (6) DATA HEADER88-46 MODE SENSE (10) DATA HEADER88-47 MODE SENSE BLOCK DESCRIPTOR88-48 MODE SENSE PAGE DESCRIPTOR88-49 MODE SENSE PAGES SUPPORTED88-50 CONTROL MODE PAGE (0AH)88-51 DEVICE CONFIGURATION PAGE FORMAT88-52 DATA COMPRESSION PAGE)88-53 DISCONNECT/RECONNECT PAGE FORMAT88-54 MEDIUM PARTITION PAGE FORMAT88-55 ERROR RECOVERY PAGE FORMAT88-56 PREVENT/ALLOW MEDIUM REMOVAL CDB88-57 READ CDB88-58 READ BLOCK LIMITS CDB88-59 READ BLOCK LIMITS88-60 READ BUFFER CDB88-61 READ BUFFER MODES SUPPORTED88-62 READ BUFFER DATA HEAD88-63 READ BUFFER DESCRIPTOR88-64 READ POSITION CDB88-65 READ POSITION DATA FORMAT88-66 RECEIVE DIAGNOSTICS RESULTS CDB88-67 RECEIVE DIAGNOSTIC RESULT DATA FORMAT88-68 RELEASE UNIT CDB88-69 REQUEST SENSE CDB88-70 REQUEST SENSE DATA88-71 RESERVE UNIT CDB88-72 RESERVE UNIT CDB88-73 SEND DIAGNOSTIC CDB88-74 SEND DIAGNOSTIC PARAMETER LIST FORMAT88-75 SPACE CDB88-76 SPACE CODE DEFINITION88-77 TEST UNIT READY CDB88-78 VERIFY CDB88-79 WRITE CDB88-80 WRITE BUFFER CDB88-81 WRITE BUFFER MODES SUPPORTED88-82 WRITE FILEMARKS CDB88-83 INITIALIZE ELEMENT STATUS88-84 READ ELEMENT STATUS CDB88-85 ELEMENT TYPE CODE DEFINITIONS88-86 ELEMENT STATUS DATA HEADER88-87 MEDIUM TRANSPORT ELEMENT STATUS PAGE88-88 STORAGE ELEMENT STATUS PAGE88-89 DATA TRANSFER ELEMENT STATUS PAGE88-90 DEVICE CAPABILITIES PAGE FORMAT88-91 ELEMENT ADDRESS ASSIGNMENT PAGE FORMAT88-92 TRANSPORT GEOMETRY PAGE FORMAT88-93 MOVE MEDIUM CDB82-1 ADDING A TERMINATOR22-3 AFTER POST22-4 DLT2000 TROUBLESHOOTING CHART23-1 RESULTS OF DENSITY SELECTION33-2 POST SEQUENCE OF EVENTS33-3 DETERMINING THE DRIVE'S OPERATING CONDITION33-4 BEFORE LOADING THE CARTRIDGE33-4 AFTER LOADING THE CARTRIDGE AND OPERATING33-5 WHAT IS HAPPENING DURING CARTRIDGE USE (RIGHT SIDE LIGHTS33-6 WHEN TO USE THE CLEANING CARTRIDGE34-1 MINI-LIBRARY OPERATOR CONTROL PANEL44-2 DISPLAY MESSAGES44-3 DENSITY SELECT MODE44-4 CARTRIDGE, BEFORE LOADING44-5 AFTER LOADING THE CARTRIDGE44-6 WHEN TO USE THE CLEANING CARTRIDGE45-1 RESULTS OF DENSITY SELECTION USING A COMPACTAPE III TAPE55-2 DLT2700 OPERATOR CONTROL PANEL55-3 LOADER POWER-ON SHELF-TEST55-4 LOAD/UNLOAD FUNCTIONS56-1 DLT2500 OCP BUTTON CONDITIONS66-2 DLT2700 OCP BUTTON CONDITIONS67-1 RESULTS (DLT2000 CODE UPDATE)77-2 RESULTS (DLT2500 CODE UPDATE)77-3 RESULTS (DLT2700 CODE UPDATE)78-1 SUPPORTED SCSI MESSAGES88-2 DLT2000 SUPPORTED SCSI COMMANDS88-3 EEROM VENDOR UNIQUE PAGE PARAMETERS88-4 CHANGEABLE MODE PARAMETERS88-5 SENSE KEYS USED88-6 ADDITIONAL SENSE CODES/QUALIFIERS USED88-7 SEND DIAGNOSTICS PARAMETERS88-8 DEFINITION OF PATTERN NUMBERS DEFINITION OF PATTERN NUMBERS88-9 SENSE KEYS USED88-10 ADDITIONAL SENSE CODES88-11 MEDIUM CHANGER COMMANDS88-12 MEDIUM CHANGER ELEMENT ADDRESSES8Size: 1.23 MBPages: 345Language: EnglishOpen manual