Quantum LTO-3 manual Reliability, Injected Noise

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Chapter 5 Specifications

 

 

 

 

 

Reliability

 

 

 

 

 

 

Specification

 

Operational

Non-operational

 

 

 

 

 

 

Humidity gradient

 

10% per hour

10% per hour

 

 

 

 

 

 

Altitude

 

max 10,000 feet MSL

40,000 feet (power off)

 

 

 

 

(at 25°C)

 

 

 

 

 

 

 

Shock (1/2 sine wave)

 

10 Gs peak, 11 msec

40 Gs peak, 11 msec

 

 

 

 

 

 

Vibration (sweep test)

 

0.005 inches DA (5-43 Hz)

0.1 inches (5-–15Hz)

 

 

 

 

0.50 G peak (43–1000 Hz)

1.0 G (15–500 Hz)

 

 

 

 

sweep rate 5-1000Hz;

1.0 octave per minute

 

 

 

 

1.0 octave per minute

 

 

 

 

 

 

 

Acoustic level idling

 

52 dBA maximum 5.0 LwA Bels

 

(A-wt sum)

 

 

 

 

 

 

 

 

Acoustic level operational

57 dBA maximum 5.5 LwA Bels

 

(A-wt sum)

 

 

 

 

 

 

 

 

 

 

The internal drive operates without degradation of error rates with 100

 

Injected Noise

 

 

 

 

mV of noise injected between the chassis and 0 V at the power connector

 

 

 

at any frequency between 45 Hz and 20 MHz.

Reliability

The LTO-3 Tape Drive is designed for maximum reliability and data integrity. Table 10 summarizes the reliability specifications.

LTO-3 Tape Drive User’s Guide

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Contents 72 Copyright Statement Contents Chapter Operation Chapter Specifications Chapter Troubleshooting Guide Figures Figures Viii Tables Tables Purpose PrefaceAudience Notational Conventions DocumentOrganization Contacts SCSI-2 SpecificationRelated DocumentsCustomer Support Technical PublicationsQuantum Home Overview 1Overview, Unpacking Instructions and Quick StartFeatures Drive ConfigurationsUnpacking and Inspection Start Quick Start GuideInternal LTO-3 Tape Drive QuickDesktop LTO-3 Internal Tape Drive Guidelines and CautionsLTO-3 Tape Drive User’s Guide Drive Installation Instructions 2InstallationLVD Drive Installing an Internal LTO-3 Tape DriveConfiguring an 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 Cartridge Care Drive MaintenanceMaintenance 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 Data Integrity Recording MethodData Buffer C1 ECC Servo-tracking FaultsData Compression 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 DescriptionEnvironmental LTO Cartridge SpecificationsMean Time to ReplaceReliability 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 CurrentDevice File st.conf ConfiguringTypes ControllersLTO-3 Tape Drive User’s Guide Finding Existing Configuring LTO-3 Tape DrivesUsing Smit 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 IrixHardware/Driver Configuring for HP-UXConfiguration 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