HP Cassette Player DDS-3 manual Cleaning the Tape Heads

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Using Your DDS Drive

The relative humidity in your operating environment is consistently less than 50%.

You know that the backup software you are using makes multiple passes over sections of the tape during backups or restores.

You notice that when you do backups and restores the tape stops and starts fre- quently.

Cleaning the Tape Heads

Clean the heads of your tape drive after every 25 hours of tape drive use or if the Media Wear (Caution) signal is displayed on the LED.

NOTICE: Only use HP Cleaning Cassettes (HP92283K) to clean the tape heads. Do not use swabs or other means of cleaning the tape heads.

Follow this procedure to clean the tape heads:

1.Insert the cleaning cassette into the drive. The tape automatically loads the cassette and cleans the heads. At the end of the cleaning cycle, the drive ejects the cassette.

2.Write the current date on the cleaning cassette label so that you know how many times you have used it. Discard the cleaning cassette after you have used it 50 times.

Media Restrictions

If you interchange media between other HP workstation DDS tape drives, note that data cassettes with compressed data can only be read by tape drives that have data compression capabilities. This includes data cassettes that contain both compressed and noncompressed data.

Setting the Write-Protect Tab on a Data Cassette

You can only store or change information on a data cassette when the write-protect tab is in the write position. So, before trying to write to the data cassette, make sure that the write-protect tab is in the write position, as shown in Figure 2±2.

2±4

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Contents HP DDS-3 Tape Drive Users Guide 10 9 8 7 6 5 4 3 2 Contents Using the DDS-DC Drive Troubleshooting and Removal/Replacement ProceduresAppendix a Scsi Connector Pinouts Figures TablesPreface AudienceSafety and Regulatory Statements Federal Communications Commission FCCCanadian Department of Communications CDC Electrostatic Discharge ESD Precautions Emissions Regulations ComplianceInstallation Notice Related ManualsQuestions, Suggestions, or Problems Documentation ConventionsLiteral values Chapter General Description ±1. HP DDS-3 DriveHumidity Ambient TemperatureDDS-3 Drive Environmental Requirements VibrationTransportation ShockAltitude Suspended ParticlesDDS-3 Drive Physical Specifications ±2 describes the physical specifications of the DDS-3 driveTools Required Preparing to Install a New DDS-3 DriveVerifying Kit Contents Operating System SupportSetting the SCSI-2 Address Address Jumpers PWR ±4. Switch Settings for Data Compression Operation Mode Preparing the System Usr/sbin/ioscan ReturnSCSI-2 Connection and Termination # /etc/shutdown -h ReturnPowering Off the Workstation and Any Peripherals ±5. Adding a Bezel to the DDS-3 Drive ±6. Removing a Bezel from the DDS-3 Drive ±7. Adding or Removing Expansion Brackets Using the DDS-3 Drive Your DDS-3 Drive Configuration Controls and Features of the DDS-3 DriveLEDs Data CassettesCleaning the Tape Heads ±2. Setting the Write-Protect Tab on a DDS Tape Using the DDS-3 Drive Loading and Unloading a Data CassetteVerifying the DDS-3 Tape Drive Operation Media Interchangeability RestrictionsUsr/sbin/ioscan -d stape Return Tape Length Full Height 5 1/4 DDS-DC DDS-2 DDS-3Ordering Information Troubleshooting and Removal/Replacement Procedures Troubleshooting Checking the Address Settings for Single-Ended DrivesChecking the Hardware Installation # /etc/shutdown -h Return Rechecking the Address Settings Man cstm Return Man mstm Return Man xstm ReturnFollowing screen appears Cstm verify all Return Messages similar to the following appearField Replaceable Units Removal/Replacement ProceduresPowering Off the System DescriptionRemoving and Replacing the DDS-3 Drive ±1. Adding a Bezel to the DDS-3 Drive ±3. Adding or Removing Expansion Brackets Appendix a Index Index-2 HP DDS-3 Tape Drive Users Guide Order Number A1658±90702 Edition