Quantum LTO-3 manual Drive Performance Specifications, Specification Value

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Chapter 5 Specifications

Drive Performance Specifications

Drive Performance Specifications

Table 8 lists the performance specifications for the LTO-3 Tape Drive.

Table 8 Drive

Performance

Specifications

Specification

Value

 

 

Capacity

 

LTO Ultrium 3 (680 m)

400 Gbytes (native)

 

 

Recording density

5,120 RLL-encoded ONEs per mm

 

 

Flux density

10249 cells per mm

 

 

Track density

70 tracks per mm

 

 

Error recovery

Read-after-write Reed Solomon

 

ECC (2 levels)

 

 

Recording unrecoverable errors

Less than 1 in 1017 data bits

Recording undetectable errors

Less than 1 in 1027 data bits

Tape drive type

LTO (Ultrium)

 

 

Head configuration

2 bumps

 

16 thin-film write heads per bump

 

16 MR read heads per bump

 

2 MR servo heads per bump

 

 

Recording format

Ultrium 16-channel (U-38)

 

 

Recording method

0, 13/11 RLL

 

 

Transfer rate (sustained)

68 Mbytes/second (max, native)

 

 

Synchronous transfer rate

160 Mbytes per sec max

(burst)

 

 

 

Cartridge unload time

30 seconds

 

 

LTO-3 Tape Drive User’s Guide

43

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Contents 72 Copyright Statement Contents Chapter Operation Chapter Specifications Chapter Troubleshooting Guide Figures Figures Viii Tables Tables Preface AudiencePurpose Document OrganizationNotational Conventions Related SCSI-2 SpecificationDocuments ContactsTechnical Publications Quantum HomeCustomer Support Overview 1Overview, Unpacking Instructions and Quick StartFeatures Drive ConfigurationsUnpacking and Inspection Internal LTO-3 Quick Start GuideTape Drive Quick StartDesktop LTO-3 Internal Tape Drive Guidelines and CautionsLTO-3 Tape Drive User’s Guide Drive Installation Instructions 2InstallationInstalling an Internal LTO-3 Tape Drive Configuring anLVD Drive Jumpers Jumper SettingsTerminator Power Acceptable Mounting Orientations Mounting Internal LTO-3 Tape DriveInternal LTO-3 Tape Drive Mounting Dimensions ADI Fixed Board ConnectorADI Free Cable ConnectorADI Free Cable Connector Rear View of the Internal LTO-3 Tape drive Pin Number Description Connecting a Serial Cable for Tape LibrariesConnection Name Type Driven By Connection Definition Connecting a Power Cable Installing the LTO Driver Installing a Desktop LTO-3 Tape DriveInstallation Installing a Desktop LTO-3 Tape Drive Scsi Termination Examples for the Desktop LTO-3 Tape Drive Commercial backup application software Installation Installing a Desktop LTO-3 Tape Drive 3Operation Shows a view of the LTO-3 front-panel display Understanding the Front Panel DisplayEOT Blink CodesLoading a Cartridge Unloading a Cartridge Using LTO CartridgesWrite-protecting a Cartridge Drive Maintenance MaintenanceCartridge Care Operation Drive Maintenance Parking the Drive for Shipping Using the Load/ Unload Button to Park the DriveTrack Layout 4TheoryShows the layout of data on an LTO tape Recording Method Data BufferData Integrity C1 ECC Faults Data CompressionServo-tracking Data Compression Considerations Compression Intelligent DataTheory Data Compression 5Specifications Physical Specifications Shows the dimensions of the internal LTO-3 Tape Drive Specification +12 VDC + 5VDC Power SpecificationsSpecification Value Drive Performance SpecificationsEnvironmental Requirements Specification Operational Non-operationalInjected Noise ReliabilityMean Time Between Failures Specification DescriptionMean Time to LTO Cartridge SpecificationsReplace EnvironmentalReliability Regulatory ComplianceIecee Country Regulatory Organization Compliant toPREDOM-OBR Disposal of Electrical and Electronic Equipment LTO-3 Tape Drive User’s Guide 6UNIX Settings Word About Scsi Controllers Configuring for the DEC/Compaq Unix EnvironmentTargets Finding CurrentTypes ConfiguringControllers Device File st.confLTO-3 Tape Drive User’s Guide Configuring LTO-3 Tape Drives Using SmitFinding Existing This command produces output similar to Configuring for SCO Open ServerConfiguring the LTO-3 Tape Drive with mkdev Finding Existing Scsi Controllers Devices Configuring for LinuxYou may see output similar to For Irix 6.4/6.5 Configuring for SGI IrixConfiguring for HP-UX ConfigurationHardware/Driver Unix Settings Configuring for HP-UX Unix Settings Configuring for HP-UX Installation Best Practices 7Troubleshooting GuideDo Not Troubleshooting Suggestions Desktop tape drive Internal tape driveWindows Operating System Tape will not Load into Tape Drive Problems with Tape Drive and Cartridge Red Hat LinuxTroubleshooting Guide Troubleshooting Suggestions Tape will not Eject from the Drive Backup Failures OVERWRITTEN. ALL Previously Written Data on the Tape will Miscellaneous TapeAlert Messages Tape is Write ProtectedLTO-3 Tape Drive User’s Guide Slow Backups Troubleshooting Guide Troubleshooting Suggestions Index Intelligent 37 Data integrity Scsi ID Tape drive not recognized by operating system or application