Quantum LTO-2 manual Reliability, Injected Noise, At any frequency between 45 Hz and 20 MHz

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Chapter 5 Specifications

Reliability

	Specification			Operational	Non-operational

	Altitude			max 10,000 feet MSL (at 25°C)	40,000 feet (power off)

	Shock (1/2 sine wave)			10 Gs peak, 11 msec	25 Gs peak, 11 msec

	Vibration (sweep test)			0.005 inches DA (5-43 Hz) 0.20 G	0.1 inches DA (5-15 Hz)
				peak (43–1000 Hz) sweep rate 5-	1.0 G peak (15–500 Hz)
				1000Hz;	1.0 G peak (15–500 Hz)
				1000Hz;	sweep rate 5-500Hz;
				(1.0 octave per minute)	sweep rate 5-500Hz;
				(1.0 octave per minute)	(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-2 Half-Height Tape Drive is designed for maximum reliability and data integrity. Table 9 summarizes the reliability specifications.

42	LTO-2 Half-Height Tape Drive User’s Guide

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Contents 72 Copyright Statement Contents Chapter Operation Mean Time to Replace Safety Compliance EMC ComplianceInjected Noise Reliability Chapter Troubleshooting Guide Figures Figures Viii Tables Tables Preface Audience Purpose Document OrganizationTech Tip NotationalConventions SCSI-2 Specification RelatedDocuments ContactsCustomer Support Send faxes for the Customer Support Department toSend e-mail for the Customer Support Department to Visit our web site1Introduction Features 2Installation and Quick Start Drive Quick Start Quick Start GuideInternal LTO-2 Half-Height Tape Desktop LTO-2 Unpacking and Inspection Internal Tape Drive Guidelines and CautionsDrive Installation Instructions Installing an Internal LTO-2 Half-Height Tape DriveJumper Pins Scsi IDScsi ID=8 Jumpers Open Shunted DefaultTerminator Power Within 5 degrees of horizontal MountingHorizontally or vertically see figure Internal LTO Half-Height Tape Drive Mounting Dimensions Rear View Internal LTO-2 Half-Height Tape Drive Connecting a Checking the Scsi TerminationSerial Cable for Tape LibrariesConnecting a Power Installing the LTO DriverPin Numbers Description CableInstalling a Desktop LTO-2 Half-Height Tape Drive Cord Desktop LTO-2 Half-Height Tape DriveLTO-2 Half-Height Tape Drive User’s Guide 3Operation Understanding the Front Panel Display Generic Front Panel DisplayBlink Codes EOTUsing LTO Cartridges Loading a Cartridge Unloading a CartridgeWrite-protecting a CartridgeMaintenance Cartridge CareDrive Maintenance Retensioning the TapeOperation Drive Maintenance Operation Drive Maintenance 4Theory Track LayoutShows the layout of data on an LTO tape Data Integrity Recording MethodData Buffer C1 ECC Faults Data CompressionServo-tracking Tracking is re-establishedData Compression Considerations Intelligent Data CompressionPage 5Specifications Physical Specifications Internal Scsi Drive Specification Without Bezel With BezelInternal LTO-2 Half-Height Tape Drive Dimensions Idle Power Watts RMS Standby Power Typical Operating Power Power SpecificationsSpecification +12 VDC + 5VDC Drive Performance Specifications Specification LTO-2Specification Value Specification Operational Non-operational Environmental RequirementsAt any frequency between 45 Hz and 20 MHz ReliabilityInjected Noise Specification Description Mean Time Between FailuresLTO Cartridge Specifications Mean Time toReplace Environmental ConsiderationsReliability Regulatory ComplianceCartridge Memory Country Regulatory Organization Compliant to EMC Compliance Country Regulatory Organization Compliant to Disposal of Electrical and Electronic Equipment 6UNIX Settings Configuring for the DEC/Compaq Unix Environment Word About Scsi ControllersSave the file. Then run the following command ParametersFinding Current TargetsTypes ControllersSt.conf ConfiguringDevice File Smit Enter Smit at the Tape Drive menu by typing smit tape Set the Block size toConfiguring for SCO Open Server Using the commandThis command produces output similar to Current tape drives can be found using the commandConfiguring the LTO-2 Half-Height Tape Drive with mkdev Configuring for Linux Finding Existing Scsi Controllers DevicesYou should see output similar to To find existing Scsi devices execute the commandYou may see output similar to Output of the command will be similar to the following Configuring for SGI IrixScsi controllers and devices use the command Hardware/Driver Configuring for HP-UXConfiguration Unix Settings Configuring for HP-UX 7Troubleshooting Guide Installation Best PracticesClicking on Computer Management Device Manager Troubleshooting Suggestions Troubleshooting Guide Troubleshooting Suggestions Windows Operating System Red Hat LinuxProblems with Tape Drive and Cartridge Tape will not Load into Tape DriveTape will not Eject from the Drive LTO-2 Half-Height Tape Drive User’s Guide Emergency Reset and Emergency Cartridge Eject Problems During Backup/Restore OperationsPreviously Written Data on the Tape will be Destroyed Tape is Write Protected Miscellaneous TapeAlert Messages If either of the following messages appearsLTO-2 Half-Height Tape Drive User’s Guide Slow Backups LTO-2 Half-Height Tape Drive User’s Guide Index Index Scsi ID Tape drive