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Quantum TC-L32BX-EY tape drive

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1. on proceed to step 5 to determine whether the drive passed the Power On Self Test functions 4 Ifthe Power LED is off check the power connections to the tape drive For the internal tape drive a Shut down the system remove the cover and re seat the DC power cable connector on tape drive b Restart the system and check the Power LED LTO 3 Half Height Tape Drive User s Guide 66 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions IF the Power LEDis THEN off shut down the system replace the power connector attached to the tape drive with one from a known working device such as a CD ROM and restart the system If the Power LED Comes on then resolve the problem with the DC power cable connector e Remains off then contact Technical Support to resolve the possible problem with the tape drive on repeat step 2 of this procedure to confirm that re seating the DC power cable to the tape drive solved the problem and the tape drive is recognized during system startup If the tape drive is e Recognized during the SCSI controller scan then the problem is resolved Reinstall the computer cover Still not recognized then proceed to step 5 to determine whether the drive passed the Power On Self Test functions LTO 3 Half Height Tape Drive User s Guide 67 For the tabletop tape drive Chapter 7 Troubleshooting Guide Troubleshooting Suggestions a Set th
2. beginning of wrap Average rewind time 650 m tape 60 seconds gt 51 seconds Max rewind time 650 m tape lt 120 seconds Capacity LTO Ultrium 3 680 m Cartridge unload time 400 Gbytes native 25 seconds Error recovery Read after write Reed Solomon ECC 2 levels Flux density 10249 cells per mm LTO 3 Half Height Tape Drive User s Guide 56 Chapter 6 Specifications Drive Performance Specifications Specification Value Head configuration 2 bumps 16 thin film write heads per bump 16 MR read heads per bump 2 MR servo heads per bump Maximum data access time 120 seconds 650 m tape from BOW Maximum rewind time 650 m tape lt 115 seconds Recording density 5 120 RLL encoded ONEs per mm Recording format Ultrium 16 channel U 316 Recording method 0 13 11 RLL Recording undetectable errors Less than 1 in 102 data bits Recording unrecoverable errors Less than 1 in 10 data bits Synchronous transfer rate 160 Mbytes per sec max burst Tape drive type LTO Ultrium Tape speed Up to 4 53 meters per second Track density 70 tracks per mm Transfer rate sustained 68 Mbytes second max native LTO 3 Half Height Tape Drive User s Guide 57 Chapter 6 Specifications Environmental Requirements SaaS Environmental Requirements Table 9 lists the environmental specifications of the L
3. e Chapter 1 Introduction provides an overview of LTO and Ultrium technologies and summarizes the drive s key features e Chapter 2 Installation Procedures describes handling precautions unpacking tips and installation instructions e Chapter 3 UNIX Configuration Procedures describes the configuration settings for UNIX systems LTO 3 Half Height Tape Drive User s Guide ix Preface e Chapter 4 Operation describes the operation and maintenance of the drive e Chapter 5 Theory describes the theory of operation behind the drive including the technology used in various drive components e Chapter 6 Specifications provides drive and cartridge specifications Chapter 7 Troubleshooting Guide provides troubleshooting procedures you can follow if you encounter a problem with your drive e Appendix A Installation Checklists provides abbreviated quick start checklists for users who are already familiar with the installation procedures e Appendix B Disposal of Electrical amp Electronic Equipment provides instructions for proper disposal of unwanted electrical and electronic equipment e Appendix C Regulatory Compliances identifies drive compliance with safety and EMC regulations This guide also has an index Notational Conventions This guide uses the following conventions Note Notes emphasize important information related to the main topic Tech Tip Tech Tips prov
4. e Installing the LTO Driver Software e Registering the LTO 3 Half Height Tape Drive LTO 3 Half Height Tape Drive User s Guide 24 Chapter 2 Installation Procedures Installing the LTO Driver Software Installing the LTO Driver Software If you intend to use the LTO 3 Half Height Tape Drive with the Microsoft native backup applet on a Windows 2000 Windows Server 2003 Windows XP or Windows Vista operating system install the appropriate version of the LTO driver software See the Downloads page for LTO 3 drivers under Standalone Tape Drives on the Quantum support website at www quantum com support Note The LTO driver software is not necessary with commercial backup application software Registering the LTO 3 Half Height Tape Drive After installing the LTO 3 Half Height Tape Drive be sure to register it via the Quantum website at www quantum com registration Registering the drive ensures that you will receive the latest technical information about the drive as well as other product service and support information LTO 3 Half Height Tape Drive User s Guide 25 Do G Chapter 3 f UNIX Configuration Procedures This chapter describes how to configure various UNIX systems to recognize and obtain optimal performance from the LTO 3 Half Height Tape Drive The topics covered in this chapter are A Word About SCSI Controllers Configuring Sun UNIX Environments Configuring IB
5. on off skip to step 3 of this procedure LTO 3 Half Height Tape Drive User s Guide 74 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions 2 If other LEDs are on reset the tape drive by either e Pressing and holding the Eject button on the front panel for more than 5 seconds and releasing it both internal and tabletop drives e Cycling the drive AC power switch off and on tabletop tape drive only on the front panel 3 With the Power LED on and all other LEDs off press the Eject button IF THEN the Drive LED flashes with no other LED indicators on wait for the tape to eject normally takes from 2 to 3 minutes e If the tape ejects and the Drive LED stops flashing the problem has been resolved e If the tape does not eject and there are no other LED indications contact Technical Support to resolve the possible problem with the tape drive you see a message similar to You cannot eject the cartridge because the tape drive is in use use the mt offline command to eject the tape Wait until the operation is complete Note In UNIX Linux before ejecting the cartridge The environments the backup software may still have the message may not tape drive in prevent mode so that appear even though the cartridge cannot be ejected the operating system Use the backup software prevents the drive from commands to eject the tape ejecting the tape
6. s Guide 34 Chapter 3 UNIX Configuration Procedures Configuring HP UX UNIX Environments 5 After executing the insf and mksf commands use the following command to check the installation ioscan fn grep C tape This command produces an output that shows the hardware and device addressing and the device name assigned to the LTO 3 Half Height Tape Drive LTO 3 Half Height Tape Drive User s Guide 35 Chapter 4 D f Operation OQ This chapter describes how to operate the LTO 3 Half Height Tape Drive Topics covered in this chapter are e Understanding the Front Panel Display e Using LTO Tape Cartridges on page 38 e Cleaning the Tape Drive on page 41 e Performing an Emergency Reset and Cartridge Eject on page 42 Understanding the Front Panel Display As shown in figure 12 the LTO 3 Half Height Tape Drive front panel display has four LED indicators that reflect the operating condition of the drive The green POWER LED is on whenever power is applied to the drive The green ACTIVITY LED the orange ERROR LED and the amber STATUS LED are either on steady or blinking at different rates in various combinations to indicate the various drive conditions as shown in table 4 LTO 3 Half Height Tape Drive User s Guide 36 Figure 12 Front Panel Display Table 4 Front Panel Display LED Blink Codes In table 4 Chapter 4 Operation Understanding the Front Panel Display Quantum POWER ACTIVITY
7. ERROR STATUS This indication Signifies that the LED is On illuminated continuously in a steady state Slow blinking on and off at a rate of one cycle per second Fast blinking on and off at a rate of four cycles per second Activity LED Error LED Status LED Drive Condition Green Orange Amber Cleaning Request On Cleaning cartridge On On present Cleaning cartridge at On Fast EOT Cleaning failure or Fast Fast media error Hardware error Fast Manual intervention On required Microcode download Fast Slow Fast 37 LTO 3 Half Height Tape Drive User s Guide Loading a Tape Cartridge Chapter 4 Operation Using LTO Tape Cartridges Activity LED Error LED Status LED Drive Condition Green Orange Amber Microcode download Fast Fast Fast error Positioning loading Slow unloading rewinding spacing or locating Power On Self Test Slow Slow Slow POST in progress Power On Self Test Fast On POST failure Servo initialization Slow Slow Tape Active writing Slow reading or verifying Using LTO Tape Cartridges To load an Ultrium tape cartridge into the LTO 3 Half Height Tape Drive gently insert the cartridge into the slot and then either Push the cartridge further into the drive until the drive senses the cartridge and automatically completes the load operation e Use a library or host command to comple
8. change the configuration of either the other device or the LTO 3 Half Height Tape Drive as described in the following subsection Note You cannot disable terminator power on a tabletop parallel SCSI drive Configuring the Tabletop Drive Parallel SCSI ID Each device on the parallel SCSI bus must have its own unique SCSI ID Use the push button SCSI ID selector switch on the drive back panel to change the SCSI ID of the tabletop LTO 3 Half Height Tape Drive see figure 8 LTO 3 Half Height Tape Drive User s Guide 19 Figure 8 Tabletop Parallel SCSI ID Selector Switch Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive Parallel SCSI ID selector switch Note Parallel SCSI controllers and host adapters generally use ID 7 In some systems the boot drive uses ID 0 or ID 1 Avoid configuring the LTO 3 Half Height Tape Drive to these SCSI IDs If you are installing the tabletop LTO 3 Half Height Tape Drive ina UNIX operating system environment see Finding Existing SCSI Devices and Controllers on page 27 and refer to the appropriate subsection in chapter 3 to identify the installed parallel SCSI devices and controllers e Configuring Sun UNIX Environments on page 27 e Configuring IBM AIX UNIX Environments on page 30 Configuring Linux UNIX Environments on page 32 e Configuring HP UX UNIX Environments on page 33 After configuring the parallel SCSI ID proceed to C
9. parallel SCSI connector on the back of the drive Caution The LTO 3 Half Height Tape Drive with the parallel SCSI interface is a low voltage differential LVD SCSI device Install it only in LVD environments Plugging an LVD drive into a high voltage differential HVD bus makes the entire bus nonfunctional and may permanently damage the drive or other SCSI devices on the bus LTO 3 Half Height Tape Drive User s Guide 15 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive e See the internal parallel SCSI bus termination examples in figure 3 on page 13 to check verify the system SCSI bus configuration and install a 68 pin LVD SCSI bus terminator as required b For the SAS internal drive attach the internal SAS interface cable to the 7 pin 1x SATA style SAS connector on the back of the drive Figure 6 Internal SCSI Drive Serial library port Interface and DC Power Connectors 68 pin parallel SCSI connector Figure 7 Internal SAS Drive Serial library port Interface and DC Power Connectors DC power connector DC power connector 7 pin 1x SATA style SAS connector 3 If you are installing the internal LTO 3 Half Height Tape Drive in a tape library system connect the RS 422 serial interface cable to the serial library port on the back of the drive The serial library port is not used on workstation or server systems LTO 3 Half Height Tape Drive User s
10. scsi0 Channel 0 Id 6 Lun 00 Vendor Quantum Model ULTRIUM 3 Rev 1897 Type Sequential Access ANSI SCSI revision 04 Use the output of these two commands to determine which SCSI target ID numbers are available In this example a tape drive is attached at target ID 6 The widely available distributions of Linux automatically install the proper SCSI and tape device drivers If you executed the cat command to find existing SCSI devices you have ensured that the SCSI driver for your controller is installed LTO 3 Half Height Tape Drive User s Guide 32 Chapter 3 UNIX Configuration Procedures Configuring HP UX UNIX Environments Use the following command to view currently loaded modules execute Verify that one of the entries is st Use the following command to view the st device number for your attached tape drive dmesg grep tape This command produces output similar to Detected SCSI tape st0 and scsi0 Configuring the UNIX Procedure Environment 1 Use the mt command options to configure the UNIX environment 2 Use the stsetoptions command from within the mt command to set up a default configuration See the man page for mt for details 3 Subsequently a Do not use the erase command b Do not use commands that partition the tape Partitioning is not supported in the LTO format c For commands that use density and tape size settings the tape e Density is 124 000 bpi e Length is 1800 feet d For comm
11. 4 Operation Performing an Emergency Reset and Cartridge Eject Each time you use the LTO cleaning cartridge the cleaning media advances to a new unused section After approximately 50 cleanings all of the media will be used up and the LTO 3 Half Height Tape Drive Turns on the green Activity LED e Fast flashes the amber Status LED e Ejects the LTO cleaning cartridge Always discard used up LTO cleaning cartridges Note Ifthe amber Status LED comes on continuously within 24 hours after a cleaning cycle perform the cleaning procedure again If after three cleaning cycles in a 72 hour period the amber Status LED comes on again contact Quantum Technical Support Performing an Emergency Reset and Cartridge Eject If the LTO 3 Half Height Tape Drive stops communicating with the host computer use the following procedure to reset the drive and eject a cartridge if necessary Caution When you perform an emergency reset and cartridge eject any data in the drive or host buffers will not be written to the tape and the tape record may not be correctly terminated with an end of data mark If the end of data mark is not written to the tape you will not be able to append any data to that tape unless you overwrite the existing data on the tape LTO 3 Half Height Tape Drive User s Guide 42 Chapter 4 Operation Performing an Emergency Reset and Cartridge Eject To perform an emergency reset hold down
12. Backup Failure TapeAlert Messages A number of problems can cause a backup operation to fail This TapeAlert message Signifies The operation has stopped because an error has occurred while reading or writing data which the drive cannot correct that a media error occurred during a read or write operation Proceed to step 1 of the following procedure The tape is from a faulty batch or the tape drive is faulty or The tape is damaged or the drive is faulty Call the tape drive supplier helpline that a media error occurred during a read or write operation These messages frequently appear in addition to the The operation has stopped because message In this case proceed to step 1 of the following procedure Otherwise repeat the backup operation with a known good tape and proceed to step 1 of the following procedure if the problem persists 1 Review the configuration subsections in chapter 2 Installation Procedures on page 5 and verify that the SCSI bus is properly configured and terminated 2 Retry the backup operation if you make any changes are made to the SCSI cabling or termination or if you unplug and reconnect any SCSI cables 3 Ifthe problem persists remove the data tape insert a cleaning cartridge to clean the tape drive see Cleaning the Tape Drive on page 41 4 After the tape drive ejects the cleaning cartridge reload the data tape and retry the b
13. Before installing the HBA check and record your current system Checks configuration For example Inthe operating You can find information on any currently system installed SCSI HBA by Windows 2000 1 Double clicking Administrative Tools in the Control Panel 2 Clicking Computer Management gt Device Manager 3 Clicking the SCSI host adapters listed 4 Clicking Properties to view the Resources tab UNIX Linux Viewing the boot log text file Refer to your operating system documentation for specific information on reviewing your system configuration After installing the SCSI HBA restart the system Then ensure that the operating system recognizes the HBA and that there are no conflicts with other adapters a E Troubleshooting Suggestions If the computer started and operated properly before installing a SCSI HBA and the LTO 3 Half Height Tape Drive but does not start now 1 Remove the SCSI HBA Computer Does Not Start LTO 3 Half Height Tape Drive User s Guide 64 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions 2 Restart the system IF the system THEN starts normally there is a problem with the SCSI HBA 1 Make sure that the SCSI HBA e Is compatible with system Does not have burnt components Reinstall the SCSI HBA in a different PCI slot and restart the computer still does not start contact Technical Support Computer Hardware Does
14. Height Tape Drive is inspected and carefully Inspecting the Drive packaged at the factory damage can occur e Inshipment When being unpacked Observe the handling precautions listed in Handling Precautions and Installation Guidelines and carefully unpack and inspect the LTO 3 Half Height Tape Drive as follows 1 Visually inspect the shipping container and notify your carrier immediately of any damage 2 Place the shipping container on a flat clean stable surface and carefully remove the contents 3 Visually inspect the LTO 3 Half Height Tape Drive and notify your Quantum representative immediately of any damage 4 Always save the shipping container and packing materials for any future reshipment LTO 3 Half Height Tape Drive User s Guide 8 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive Installing the Internal LTO 3 Half Height Tape Drive To install the internal LTO 3 Half Height Tape Drive complete the following procedures in the order presented 1 Depending on the interface configuration of the drive IF the drive interface is THEN parallel Small Computer proceed to Configuring the Internal System Interface SCSI Parallel SCSI Tape Drive in the following subsection to configure the parallel SCSI ID and bus terminator power serial attached SCSI SAS there is no need to configure the SCSI ID or bus termination as SAS is a point to point ar
15. Ultrium Tape Cartridge Write Protect SWitch ccceeee 39 Layout of the Tracks on LTO Ultrium Tapes ccccee 45 LTO 3 Half Height Tape Drive Dimension3S c0see 54 vii Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 LTO 3 Half Height Tape Drive User s Guide Tables Performance Features and Capabilities 00 0 eee 3 Internal SCSI ID Configuration Jumper Pin Settings 11 Recommended SCSI Controllers ccs cesses eeeeseees 27 Front Panel Display LED Blink Codes ccccsesesseseeteeees 37 Physical Specifications cece ranee nets 53 Voltage and Current Specifications 0 0 eeeeeeee teens 55 Power DISSIPAtlON s sisscssissssessssssc sssessssessacesats casts stats stzsssisces tuasstsds 55 Drive Performance Specifications 0 0 0 cceseeseeeeseeeeeeneeeees 56 Environmental Requirement 0 0 0 cece eeeeeseseseeeeeeeeeneeeeees 58 Reliability Specifications cece csceesesescseeeseseeeeeees 59 Environmental Tolerances 0 0 0 0 eseseseeeetesseseeeetesenenees 61 viii A Preface E 9D 9 Audience This guide is written for users of the Quantum LTO 3 Half Height Tape Drive Purpose This guide provides information about the LTO 3 Half Height Tape Drive including Installing the drive e Basic drive operations e Maintenance e Specifications e Troubleshooting Document Organization This guide is organized as follows
16. replacement drive The MTTR for LTO products is less than 0 5 hour 30 minutes The Quantum LTO drives are field replaceable units If a problem occurs with a subassembly or component in the drive you should replace the entire unit Return the drive to the factory in its original packaging Contact your distributor dealer your computer system company or your Quantum sales representative to arrange the return LTO Cartridge Specifications Environmental Considerations Table 11 lists the basic environmental tolerances for LTO Ultrium cartridges LTO 3 Half Height Tape Drive User s Guide 60 Table 11 Environmental Tolerances Cartridge Memory Cartridge Reliability Chapter 6 Specifications LTO Cartridge Specifications Specification Value Maximum localized temperature Greater than 52 C permanent tape damage Operating temperature 10 C to 40 C Relative humidity 10 to 80 storage 20 to 80 operating Wet bulb temperature 26 C max If during storage and or transportation a cartridge has been exposed to conditions outside the specified values it must be conditioned before use in the operating environment The conditioning shall be exposure to the operating environment for a time equal to or greater than the time away from the operating environment up to a maximum of 24 hours There shall be no deposit of moisture anywhere on or in the cartridge The stray magnetic field at any p
17. some systems the boot drive uses ID 0 or ID 1 Avoid configuring the LTO 3 Half Height Tape Drive to these SCSI IDs If you are installing the internal LTO 3 Half Height Tape Drive ina UNIX operating system environment see Finding Existing SCSI Devices and Controllers on page 28 and refer to the appropriate subsection in chapter 3 to identify the installed parallel SCSI devices and controllers e Configuring Sun UNIX Environments on page 27 Configuring IBM AIX UNIX Environments on page 30 e Configuring Linux UNIX Environments on page 32 Configuring HP UX UNIX Environments on page 33 LTO 3 Half Height Tape Drive User s Guide 10 Figure 2 Internal Parallel SCSI ID Configuration Jumper Pins SCSI ID 1 SCSI ID 2 SCSI ID 3 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive SCSI ID 0 SCSI ID 8 SCSI ID 9 SCSI ID SCSI ID 10 1 L 11 12 Terminator power SCSI ID bit 3 9 10 Reserved zaas s SCSI ID 4 SCSI ID 12 x we SCSI ID 5 SCSI ID 13 6 SCSI ID bit 2 sii 3 scsiD 6 Ise scsi w 14 ay S SIDO sass s SCSIID 7 zrs SCSIID 15 Siiii Terminator power Table 2 Internal SCSI ID J Pi Configuration Jumper Pin umper Tins Settings SCSI ID 1 2 3 4 5 6 7 8 0 Open Open Open Open 1 Shunted Open Open Open 2 Open Shunted Open Open 3 Shunted Shunted Open
18. the Eject button between 5 to 15 seconds and then release it IF there is THEN the tape drive firmware no tape in the drive restarts the drive and begins the Power On Self Test function a tape in the drive ignores all outstanding SCSI commands ejects the tape restarts the drive and begins the Power On Self Test function If the emergency reset procedure does not eject the cartridge from the drive see Drive Does Not Eject the Tape Cartridge on page 74 LTO 3 Half Height Tape Drive User s Guide 43 Chapter 5 D f Theory OQ This chapter describes operational theories used in the LTO 3 Half Height Tape Drive The topics covered in this chapter are e Track Layout e Recording Method on page 46 e Data Buffer on page 46 e Data Integrity on page 46 e Data Compression on page 48 Track Layout With the LTO 3 Half Height Tape Drive there are 704 data tracks on the LTO tape numbered 0 through 703 Data track 703 is the track closest to the bottom edge of the tape the reference edge The area between adjacent servo bands is a data band There are 4 data bands each of which includes 176 data tracks The data bands are numbered 2 0 1 3 Data band 2 is closest to the bottom edge of the tape LTO 3 Half Height Tape Drive User s Guide 44 Chapter 5 Theory Track Layout A track group is a set of tracks that is recorded concurrently The sets of 11 data tracks in a data band a
19. 0 cece eeeeesee ee ceeeeseeeeseteneeeneeeeeeeney 60 Mean Timieto Replace nenene 60 LTO Cartridge Specifications seressosoreesrorrerssrerrirerersersarerseronrerveresreseersee 60 Environmental Considerations 0 0 0 0 ccc ee eeeeeeceeeesee este seneeenenenes 60 Cartridge Memory siisiiscscss ccdscasicessebensvoccsisnesvenssiancsvenstisaistonseisosssassbenndbees 61 Cartridge Reliability 2 sicccc stsenissecsaeoesturs tuetevitacsveve stave tievedanseduede enone tueteed 61 Chapter 7 Troubleshooting Guide 62 Installation Best Practices cscsseiesrssscsessesscsevestesscsesasovebenesssevoseoesanteasevevaseees 62 Following SCSI Best Practices c cscsesssssseesesssesssnssssseeeeeesssesnsenssssees 62 Using a Parallel SCSI Host Bus Adapter HBA eee eee 62 Using a Serial attached SCSI Host Bus Adapter eee 63 HBA Preinstallation Checks ce ceeeeseseecssesesesesseececssseeesesarscseeeneeeeney 64 Troubleshooting Suggestions cece ee ceeeeseseseeteseseeeeseseseneeeeeseeneees 64 Computer Does Not Staflessecnessnsennennn cunoveuesseneeses 64 Computer Hardware Does Not Recognize the Tape Drive 65 Computer Software Does Not Recognized the Tape Drive 70 Drive Does Not Load the Tape Cartridge cece eerste 72 Drive Does Not Eject the Tape Cartridge ee eens ee eerie 74 Slow Backup Operattons is ccssccssassiesisocsssc eessiedesseracoveesicesssesestsnssSeretscuaale 76 Failed Operations TapeAle
20. 19 D data buffer 46 data buffering description 3 data compression considerations 49 description 3 intelligent 50 data integrity 46 error correction code 47 servo tracking faults 48 data transfer rate description 3 variable speed 4 drive performance specifications 56 LTO 3 Half Height Tape Drive User s Guide Index E ejecting a cartridge 39 environmental requirements 58 error correction code 47 F features 3 front panel display 36 G guidelines handling and installation 6 H handling precautions 6 head positioner description 3 HP UX 11 0 settings 33 93 IBM AIX 4 1 x and later settings 30 injected noise 59 inspecting the drive 8 installation guidelines 7 installation instructions internal drives 9 preinstallation requirements 7 tabletop drives 17 installing the LTO driver 25 intelligent data compression 50 description 3 interfaces description 3 internal drives configuring 10 guidelines and cautions 6 installation instructions 9 mounting 13 parallel SCSI ID 10 quick start checklist 86 registering 25 terminator power 12 L layout of track 44 Linux settings 32 loading a cartridge 38 LSI circuitry description 3 M mean time between failures 60 method of recording 46 mounting internal drives 13 N native data transfer rate description 3 O overview 1 P physical specifications 53 platforms supported 3 power specific
21. 7 Troubleshooting Guide Troubleshooting Suggestions This TapeAlert message Signifies The tape drive needs cleaning 1 If the operation has stopped eject the tape and clean the drive 2 If the operation has not stopped wait for it to finish and then clean the drive 3 Check the tape drive users manual for device specific cleaning instructions the tape drive has issued a message to the backup software to instruct you to clean the tape drive See Cleaning the Tape Drive on page 41 LTO 3 Half Height Tape Drive User s Guide 84 Appendix A 2 m Installation Checklists eC Use the following quick start checklists to get your tape drive up and running as quickly as possible e Internal LTO 3 Half Height Tape Drive Quick Start e Tabletop LTO 3 Half Height Tape Drive Quick Start LTO 3 Half Height Tape Drive User s Guide 85 Appendix A Internal LTO 3 Half Height Tape Drive Quick Start Internal LTO 3 Half Height Tape Drive Quick Start Use the following quick start procedure to install the internal LTO 3 Half Height Tape Drive Print this page and check each step as you complete it If you need more information about a step see the sebsection referenced in the step Q 1 Unpack the contents of your drive package and check for damaged items See Unpacking and Inspecting the Drive on page 8 Q 2 Review a parallel SCSI drive s default settings and change them if necessa
22. 9 unpacking the drive 8 V variable speed data transfer description 4 W write protecting a cartridge 39 LTO 3 Half Height Tape Drive User s Guide Index 95
23. C CISPR 22 and CISPR 24 Taiwan Bureau of Commodity Inspection BSMI EMC and Quarantine BSMI certification CNS 14338 United States Federal Communications Title 47 Code of Commission FCC Federal Regulations Part 15 Subpart B 47CFR15B LTO 3 Half Height Tape Drive User s Guide 91 Appendix C Electromagnetic Compatibility EMC Compliances Note Use the LTO 3 Half Height Tape Drive only in equipment where the combination has been determined to be suitable by an appropriate certification organization for example Underwriters Laboratories Inc or the Canadian Standards Association in North America Also consider the following safety points e Install the drive in an enclosure that limits the user s access to live parts gives adequate system stability and provides the necessary grounding for the drive e Provide the correct voltages 5 VDC and 12 VDC based on the regulation applied Extra Low Voltage SEC for UL and CSA and Safety Extra Low Voltage for BSI and VDE if applicable LTO 3 Half Height Tape Drive User s Guide 92 A AIX 4 1 settings 30 B backup restore problems 78 best practices 62 C cartridge memory description 3 cartridges care and maintenance 40 ejecting 39 loading 38 specifications 60 troubleshooting 72 unloading 39 write protecting 39 cautions internal drives 6 chassis description 3 configuring internal drives 10 tabletop drives
24. CSI Bus Termination Examples SCSI terminator oe Tape drive no termination SCSI device termination disabled SCSI controller termination enabled Mounting the Internal Tape Drive SCSI terminator N SCSI device termination enabled Tape drive no termination SCSI controller termination enabled You can mount the internal LTO 3 Half Height Tape Drive either horizontally or vertically but not upside down see figure 4 IF you mount the drive THEN the horizontally vertically base of the drive must be within 15 degrees of horizontal side of the drive should be within 5 degrees of horizontal LTO 3 Half Height Tape Drive User s Guide 13 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive Figure 4 Acceptable Mounting Orientation eo YES YES YES NO Mount the drive in a 5 25 inch half height drive bay as follows 1 As required a Save and close your open files and terminate all running applications b Shut down the workstation or server system c Disconnect the system AC power cord from the facility AC power receptacle 2 Remove the cover from the workstation or server system Note See your computer manufacturer s instructions for the proper procedures to remove the cover 3 Select an available 5 25 inch half height bay and if required remove the bay cover 4 Position the drive in th
25. Disconnect the system AC power cord from the facility AC power receptacle 2 Depending on the interface configuration of your tabletop drive a LTO 3 Half Height Tape Drive User s Guide For the parallel SCSI tabletop drive e Attach the SCSI IN interface cable to one of the 68 pin parallel SCSI interface connectors on the back of the drive e Attach either the SCSI OUT interface cable or a SCSI terminator to the other parallel SCSI interface connector on the back of the drive If the tabletop LTO 3 Half Height Tape Drive is the last or only device in a SCSI chain you must install a 68 pin low voltage differential LVD terminating plug on the unused parallel SCSI connector 22 Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive See figure 11 for tabletop parallel SCSI bus termination examples Caution The LTO 3 Half Height Tape Drive with the parallel SCSI interface is a low voltage differential LVD SCSI device Install it only in LVD environments Plugging an LVD drive into a high voltage differential HVD bus makes the entire bus nonfunctional and may permanently damage the drive or other SCSI devices on the bus b For the SAS tabletop drive attach the external SAS interface cable to the 26 pin SFF 8088 mini SAS connector on the back of the drive 3 Verify that the tabletop LTO 3 Half Height Tape Drive AC power switch is set to the off position and connect
26. Guide 16 Restarting the Internal Tape Drive System Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive 4 Connect the internal drive DC power cable to the DC power connector on the back of the drive 5 Reinstall the system cover 6 Reconnect the system AC power cord to the facility AC power receptacle After connecting the interface and DC power cables proceed to Restarting the Internal Tape Drive System in the following subsection After connecting the internal drive interface and DC power cables 1 Restart the workstation or server system 2 Refer to the operating procedures in chapter 4 to verify that the internal LTO 3 Half Height Tape Drive comes on and completes the Power On Self Test POST functions 3 As required proceed to either e Installing the LTO Driver Software on page 25 e Registering the LTO 3 Half Height Tape Drive on page 25 Installing the Tabletop LTO 3 Half Height Tape Drive The tabletop LTO 3 Half Height Tape Drive is a compact external drive that connects to the host computer through an external parallel SCSI port or an external serial attached SCSI SAS port Do not attempt to install the LTO 3 Half Height Tape Drive until you have reviewed Handling Precautions and Installation Guidelines on page 6 LTO 3 Half Height Tape Drive User s Guide 17 Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive To install th
27. If the computer starts normally but does not recognize the tape drive hed ae aa me Tape 1 Restart the system and check whether the SCSI controller is recognized at system startup You should see messages similar to SCSI Adapter Manufacturer SCSI BOIS xxxxxxx CHA SCSIID SCSI Device Name SCSIID SCSI Device Name IF the SCSI controlleris during system startup THEN recognized proceed to step 2 to determine whether the tape drive is recognized when the SCSI controller scans for devices not recognized contact Technical Support 2 Ifthe SCSI controller is recognized during system startup restart the system to determine whether the tape drive is recognized when the SCSI controller scans for devices You should see messages similar to Bus Target Lun Device O 0 0 Quantum ULTRIUM 3 LTO 3 Half Height Tape Drive User s Guide 65 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions IF the tape drive is during system startup THEN recognized the problem has been resolved not recognized proceed to step 3 to determine whether the tape drive is receiving power 3 Ifthe tape drive is not recognized when the SCSI controller scans for devices check the Power LED on the LTO 3 Half Height Tape Drive front panel to make sure the drive is receiving power IF the Power LEDis THEN off proceed to step 4 to check the power connections to the tape drive
28. LTO 3 Half Height Tape Drive are Ultra3 SCSI capable devices with a minimum data transfer rate of 160 Mbytes per second Configuring the UNIX Procedure Environment 1 Add the following lines to the st conf file in the kernel drv directory tape config list SEAGATE ULTRIUM06242 XXxX Seagate LTO 1 SEAGATE_LTO1 CERTANCE ULTRIUM 2 Seagate LTO 2 Certance_LTO2 CERTANCE ULTRIUM 3 Seagate LTO 3 Certance_LTO3 QUANTUM ULTRIUM 3 Quantum LTO 3 Quantum_LTO3 THE LAST ENTRY IN THIS SECTION MUST END WITH A SEMICOLON LTO 3 Half Height Tape Drive User s Guide 28 Chapter 3 UNIX Configuration Procedures Configuring Sun UNIX Environments SEAGATE_LTO1 1 0x3b 0 0x1d639 4 0x00 0x00 0x00 0x00 1 Certance_LTO2 1 0x3b 0 0x1d639 4 0x00 0x00 0x00 0x00 1 Certance_LTO3 1 0x3b 0 0x1d639 4 0x00 0x00 0x00 0x00 1 Quantum_LTO3 1 0x3b 0 0x1d639 4 0x00 0x00 0x00 0x00 1 The value 0x1d639 equates to the way the LTO 3 Half Height Tape Drive is configured to operate in the Solaris environment This value enables the LTO 3 Half Height Tape Drive to support e Variable length records variable length block size not limited to 64 Kbytes Long time outs 5 times longer than normal for long erase functions Attempting to erase the entire tape is not recommended e End of data detection e Backspace over e Files same as mt bsf command to backspace over file marks e Records same as mt bsr
29. M AIX UNIX Environments on page 30 Configuring Linux UNIX Environments on page 32 Configuring HP UX UNIX Environments on page 33 A Word About SCSI Controllers The LTO 3 Half Height Tape Drive transfers data natively at 68 Mbytes per second with 2 1 compression of the data It supports the SCSI Ultra 160 specification and can transfer data at burst rates of up to 320 Mbytes per second To achieve maximum drive performance always choose high performance disk drives for your system as well as high performance SCSI controllers LTO 3 Half Height Tape Drive User s Guide 26 Chapter 3 UNIX Configuration Procedures Configuring Sun UNIX Environments Table 3 lists the recommended types of SCSI controllers in order of most preferred top to least preferred bottom l Eaa e A Controller Type Maximum Transfer Rate Ultra 320 SCSI 320 Mbytes per second most preferred Ultra 3 SCSI 160 Mbytes per second Wide Ultra2 SCSI 80 Mbytes per second compatible For definitions of the terms used above please refer to SCSI Trade Association web site www scsita org aboutscsi index01 html Finding Existing SCSI Each SCSI device attached to a host must have a unique SCSI address Devices and Controllers The first step in configuring the UNIX environment is to determine the addresses of all SCSI devices to verify that each has a unique address Note SCSI ID 7 is almost always dedicated to the SCSI controller Never config
30. Open 4 Open Open Shunted Open 5 Shunted Open Shunted Open 6 default Open Shunted Shunted Open 7 Shunted Shunted Shunted Open 8 Open Open Open Shunted 9 Shunted Open Open Shunted LTO 3 Half Height Tape Drive User s Guide 11 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive Jumper Pins SCSI ID 1 2 3 4 5 6 7 8 10 Open Shunted Open Shunted 11 Shunted Shunted Open Shunted 12 Open Open Shunted Shunted 13 Shunted Open Shunted Shunted 14 Open Shunted Shunted Shunted 15 Shunted Shunted Shunted Shunted Configuring the Internal Parallel SCSI Terminator Power By default terminator power is enabled on the internal parallel SCSI LTO 3 Half Height Tape Drive If you use this default setting then the last device at the end of the parallel SCSI bus must have either e A parallel SCSI bus terminator e Terminator power enabled See figure 3 for examples of internal parallel SCSI bus termination To disable terminator power remove the jumper across pins 11 and 12 see figure 2 Note The internal parallel SCSI LTO 3 Half Height Tape Drive does not provide SCSI termination The last device at the end of the parallel SCSI bus chain must have a SCSI bus terminator LTO 3 Half Height Tape Drive User s Guide 12 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive Figure 3 Internal Parallel S
31. Quantum e gt 9g 9 User s Guide User s Guide User s Guide User s Guide User s Guide User s Guide LTO 3 Half Height Tape Drive 81 81683 02 A01 Quantum LTO 3 Half Height Tape Drive User s Guide P N 81 81683 02 A01 May 2007 Product of USA Quantum Corporation provides this publication as is without warranty of any kind either express or implied including but not limited to the implied warranties of merchantability or fitness for a particular purpose Quantum Corporation may revise this publication from time to time without notice COPYRIGHT STATEMENT Copyright 2007 by Quantum Corporation All rights reserved Your right to copy this manual is limited by copyright law Making copies or adaptations without prior written authorization of Quantum Corporation is prohibited by law and constitutes a punishable violation of the law TRADEMARK STATEMENT Quantum and the Quantum logo are registered trademarks of Quantum Corporation Other trademarks may be mentioned herein which belong to other companies D m Contents T Preface ix Chapter 1 Introduction 1 OVEIVIEW ese dese besesss oobd caSeses oh Ene nET EA EEEE A E EE ES 1 Drive MOdEIS ss scaiciscsssi vans aa E E EN ERRE 2 iaire y oie T EEE E AEE E R E E EEEE 2 Tabletop iano areenan eiee neee beens Aaa Reactant 2 Features oenernroeseinreirneinitr nnen ia aE E aE EE AONE ERE 3 Chapter 2 Installation Procedures 5 Before Installing the LTO 3 Half H
32. TO 3 Half Height Tape Drive Table 9 Environmental Requirements Specification Operational Nonoperational Acoustic level idling A wt sum 52 dBA maximum 5 0 LwA Bels Acoustic level operational 57 dBA maximum 5 5 LWA Bels A wt sum Airflow requirements Internal 9 CFM front to back N A Altitude max 10 000 feet MSL 40 000 feet power off at 25 C Humidity gradient 10 per hour 10 per hour Relative humidity 20 to 80 non condensing 10 to 95 non condensing Shock 1 2 sine wave 10 Gs peak 11 msec 40 Gs peak 11 msec Temperature 50 to 104 F 40 to 149 F 10 to 40 C 40 to 66 C Thermal gradient 11 C per hour 10 40 C 11 C per hour 10 40 C Vibration sweep test 0 005 inches DA 5 43 Hz 0 50 G peak 43 1000 Hz sweep rate 5 1000Hz 1 0 octave per minute 0 1 inches 5 15Hz 1 0 G 15 500 Hz 1 0 octave per minute LTO 3 Half Height Tape Drive User s Guide 58 Injected Noise Specifications Chapter 6 Specifications Injected Noise Specifications The internal drive operates without degradation of error rates with 100 mV of noise injected between the chassis and 0 V at the power connector at any frequency between 45 Hz and 20 MHz Reliability Specifications The LTO 3 Half Height Tape Drive is designed for maximum reliability and data integrity Table 10 lists the reliability specifications Table 10 Reliability Specifications Sp
33. There is no need to restart the system 8 Exit SMIT 9 Subsequently a Use the AIX commands backup and restore to transfer data to and from the LTO 3 Half Height Tape Drive They transfer data much more quickly than other commands such as tar and cpio However for e cpio use a blocking factor of 128 e tar use the N option and a factor of 128 Note Some older systems with poor video controllers might experience a degradation in performance when using the v option which prints the path names on the standard console during the backup Unless there is a real need to see the filenames as they are backed up do not use the v option LTO 3 Half Height Tape Drive User s Guide 31 Chapter 3 UNIX Configuration Procedures Configuring Linux UNIX Environments b For commands that use density and tape size settings the tape e Density is 124 000 bpi Length is 1800 feet LS SS Configuring Linux UNIX Environments Finding Existing SCSI Controllers and Devices This subsection provides procedures for configuring Linux UNIX operating system environments Use the following command to list the current SCSI controllers dmesg grep SCSI This command produces output similar to scsi0 lt Adaptec AHA 294XX Ultra2 SCSI host adapter gt found at PCI 0 16 0 Use the following command to find existing SCSI devices cat proc scsi scsi This command produces output similar to Host
34. Use the mt offline command anyway the orange Error LED fast the cartridge might be flashed to indicate a hardware error physically jammed inside the drive Contact Technical Support to resolve the possible problem with the tape drive LTO 3 Half Height Tape Drive User s Guide 75 Slow Backup Operations Chapter 7 Troubleshooting Guide Troubleshooting Suggestions Many factors can make backups appear to be slow To achieve the highest possible transfer rate the LTO 3 Half Height Tape Drive MUST be attached to a Low Voltage Differential LVD SCSI controller capable of a minimum of 80 Mbytes per sec and MUST NOT share the same SCSI bus as another active SCSI device such as hard drives Verify that the tape drive is attached to an LVD SCSI controller You can do this by e Watching the system the startup process e Examining the system startup log files IF the tape drive is to an LVD SCSI controller THEN attached proceed to step 2 of this procedure to determine whether the tape drive shares the SCSI bus with another active SCSI device not attached attach the tape drive to an LVD SCSI controller to achieve the best possible hardware performance for the best possible transfer rate LTO 3 Half Height Tape Drive User s Guide 76 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions 2 If the tape drive is attached to an LVD SCSI controller verify th
35. User s Guide 62 Using a Serial attached SCSI Host Bus Adapter Chapter 7 Troubleshooting Guide Installation Best Practices the LTO 3 Half Height Tape drive would degrade the performance of the drive and your backup operations Caution Never connect the LTO 3 Half Height Tape Drive to a disk RAID controller This is not supported If you must use a SCSI host bus adapter HBA always e Use a dedicated SCSI HBA to enable the best performance and reduce the chance of installation difficulties that might be caused by duplicate SCSI IDs on the same bus channel e Use a SCSI LVD controller kit that includes a high quality SCSI cable and terminator that conforms to Ultra 2 SCSI specifications A low quality cable or a cable that does not conform to the Ultra 2 SCSI specifications can cause intermittent write read errors SCSI timeouts and corrupted data e Make sure that e Your operating system supports both the adapter and your backup software application e You have the proper drivers for the HBA if any are necessary To achieve the very best performance from your serial attached SCSI SAS LTO 3 Half Height Tape Drive and optimize your backup operations always attach the drive to a serial attached SCSI controller that supports 3 GBytes per sec per port transfer rate LTO 3 Half Height Tape Drive User s Guide 63 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions HBA Preinstallation
36. ackup operation LTO 3 Half Height Tape Drive User s Guide 79 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions 5 Ifthe problem persists use the tape diagnostic software to perform a write read test with 4 Gbytes of data Caution The write read test will overwrite any data on the tape Always use a new blank or scratch cartridge for diagnostic write read tests IF the diagnostic test THEN completes normally retry the backup operation using the same new blank or scratch tape that you used for the diagnostic write read test If the backup retry e Succeeds discard the original data tape The problem is resolved e Fails repeat steps 3 and 4 of this procedure to clean the tape drive a second time and proceed to step 6 fails repeat steps 3 and 4 of this procedure to clean the tape drive a second time and proceed to step 6 6 Retry the backup operation If the backup retry e Succeeds the problem is resolved e Fails contact Technical Support to resolve the possible problem with the tape drive LTO 3 Half Height Tape Drive User s Guide 80 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions Write Protected TapeAlert Messages Write protected TapeAlert messages can appear in response to e Actual write protected tape cartridges e Defective tape cartridges e Cartridges of a type that appear to be write protecte
37. and to identify the installed SCSI devices and controllers Note the existing SCSI device IDs and verify that the SCSI ID for the LTO 3 Half Height Tape Drive does not conflict with the other IDs shown by the Isdev command Procedure Use the Other SCSI Tape Drive option of the SMIT utility to configure AIX 1 Enter SMIT at the Tape Drive menu by typing smit tape 2 Select Add a tape Drive 3 Use the Other SCSI Tape Drive option to specify the type of tape drive you will be adding 4 Select Parent SCSI Adapter from the available list to display the Add a tape Drive Entry Fields LTO 3 Half Height Tape Drive User s Guide 30 Chapter 3 UNIX Configuration Procedures Configuring IBM AIX UNIX Environments 5 Change the following standard options to maximize drive performance and functionality a Set the Connection Address with the Drives Target and Lun always use Lun 0 In the list the target device is the first number and the Lun is the second For example if the drive is ID 5 choose 5 0 b Set the BLOCK size to 0 c Set Use DEVICE BUFFERS during writes to yes d Set RETURN error on tape change or reset to no e Set Use EXTENDED file marks to yes f Set RESERVE RELEASE support to yes g Set BLOCK SIZE for variable length support Num to 0 h Set Density 1 to 0 6 Leave the Set delay and Set timeout lines at the default value 7 Click OK to install the drive in the system database and create the devices
38. ands that use a blocking factor use a factor of 128 Configuring HP UX UNIX Environments This subsection provides procedures for configuring HP UX Version 11 0 UNIX operating system environments LTO 3 Half Height Tape Drive User s Guide 33 Finding Existing SCSI Controllers and Devices Configuring the UNIX Environment Chapter 3 UNIX Configuration Procedures Configuring HP UX UNIX Environments Use the following command to list the current SCSI controllers and devices can ioscan f Procedure 1 Log in as superuser and issue the command ioscan C tape f This command produces output similar to Class H WPath Driver S WState H Wtype Description Tape 7 8 12 6 0 stape Claimed Device QUANTUM ULTRIUM 3 2 From the root directory and as superuser issue the command sbin insf C tape 3 Issue the command sbin mksf d stape H x x x x l y c 1 n u dev rmt zcnb Where e xis the data under H WPath from the ioscan e yis the data under I from the ioscan e zis the tape device identifier number Note You can execute an Is command for the dev rmt directory to choose e An identifier number that has not already been used e A unique device name such as cnb to more easily remember which device name will enable data compression during write 4 Refer to the man pages for mksf to review settings for rewind no rewind Berkeley mode and AT amp T mode LTO 3 Half Height Tape Drive User
39. at it does not share the SCSI bus with another active SCSI device by e Checking e Windows Device Manager e Unix Linux logs e Monitoring the SCSI controller activity during system startup IF the tape drive THEN shares the SCSI bus with reconfigure the SCSI setup to other SCSI devices that are make the tape drive the only active when tape backups are active device on the SCSI bus performed is the only active device on proceed to step 3 of this the SCSI bus procedure to determine whether the method of performing tape backups is a factor 3 The method of performing tape backups can be a factor in slow backup operations Data sent to the tape drive over a network connection and delays in data transfer over a network connection can cause backups to slow down To determine whether the method of performing tape backups is a factor a Use the tape diagnostic software to perform a write read test Caution The read write test will overwrite any data on the tape Always use a new blank or scratch cartridge for diagnostic read write tests The diagnostic write read test evaluates the connection between the tape drive and the SCSI controller and removes the network data transfer and the backup software from the performance evaluation LTO 3 Half Height Tape Drive User s Guide 77 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions b When the test finishes determine th
40. ations 55 preinstallation requirements 7 Q quick start checklist internal drives 86 tabletop drives 87 R read channel description 3 recording method 46 registering tape drive 25 regulatory compliance 89 reliability 59 RISC processor description 3 LTO 3 Half Height Tape Drive User s Guide Index S SCSI controllers 26 SCSI ID parallel internal drives 10 parallel tabletop drives 19 servo tracking faults 48 slow backups 76 SmartVeirfy description 3 specifications drive performance 56 environmental requirements 58 injected noise 59 LTO cartridge 60 mean time between failures 60 physical 53 power 55 regulatory compliance 89 reliability 59 Sun Solaris 2 4 2 5 2 6 7 8 9 UNIX settings 27 supported platforms 3 T tabletop drives configuring 19 installation instructions 17 parallel SCSI ID settings 19 quick start checklist 87 tape drive registering 25 troubleshooting 72 tape picking description 4 TapeAlert description 3 94 messages 82 terminator power internal drives 12 track layout 44 troubleshooting 64 backup restore problems 78 computer boots but does not recognize tape drive 65 slow backups 76 tape drive not recognized by operating system or application 70 tape drives and cartridges 72 tape will not eject from drive 74 TapeAlert messages 82 U UNIX settings HP UX 33 IBM AIX 30 Linux 32 Sun Solaris 2 4 2 5 2 6 7 8 9 27 unloading a cartridge 3
41. bre Channel Generic Services 6 FC GS 6 in development Fibre Channel Link Services FC LS in development Note The term SCSI is used wherever it is not necessary to distinguish between the versions of SCSI Quantum company contacts are listed below Quantum Corporate Headquarters To order documentation on the LTO 3 Half Height Tape Drive or other products contact Quantum Corporation P O Box 57100 Irvine CA 92619 7100 949 856 7800 800 284 5101 LTO 3 Half Height Tape Drive User s Guide xii Preface Technical Publications To comment on existing documentation send e mail to doc comments quantum com Quantum Home Page Visit the Quantum home page at http www quantum com Customer Support Quantum Global Services provides 24 hour support that can be reached at North South America 949 725 2100 or 800 284 5101 Asia Pacific Rim International Code 61 7 3839 0988 Europe Middle East Africa International Code 44 0 1256 848748 Send faxes for Global Services to North South America 949 725 2176 Asia Pacific Rim International Code 61 7 3839 0955 Europe Middle East Africa International Code 44 0 1256 848777 Send e mail for Global Services to Asia Pacific Rim apachelp quantum com Europe Middle East Africa eurohelp quantum com Visit our website www quantum com support LTO 3 Half Height Tape Drive User s Guide xiii Preface LTO 3 Half Height Tap
42. cates for member country Electrical Equipment CB Scheme Israel SII CB Scheme Taiwan BSMI BSMI certification CNS 14336 United States Underwriters Laboratories UL UL CSA 60950 1 IECEE member nations include Argentina Austria Australia Belgium Brazil Canada China PR Czech Republic Denmark Finland France Germany Hungary India Ireland Israel Italy Japan South Korea Montenegro Netherlands Norway Poland Russian Federation Serbia Singapore Slovakia Slovenia South Africa Spain Switzerland Turkey United Kingdom and USA LTO 3 Half Height Tape Drive User s Guide 90 Appendix C Electromagnetic Compatibility EMC Compliances Electromagnetic Compatibility EMC Compliances The LTO 3 Half Height Tape Drives are EMC compliant with the following regulatory organizations and codes in the countries indicated Country Regulatory Organization Compliant to Australia Australian Communications and AS NZS 3548 same as Media Authority ACMA CISPR 22 Canada Industry Canada Digital Apparatus ICES 003 Digital Interference Causing Equipment Apparatus Standard ICES 003 EU member nations CE Emissions per CISPR 22 EN55022 and Immunity per CISPR 24 EN55024 Israel SII CISPR 22 and CISPR 24 Japan Voluntary Control Council for VCCI Interface VCCI New Zealand Australian Communications and AS NZS 3548 same as Media Authority ACMA CISPR 22 South Korea MI
43. chitecture Skip to Mounting the Internal Tape Drive on page 13 2 Connecting the Internal Drive Interface and DC Power Cables on page 15 3 Restarting the Internal Tape Drive System on page 17 4 Installing the LTO Driver Software on page 25 if required 5 Registering the LTO 3 Half Height Tape Drive on page 25 LTO 3 Half Height Tape Drive User s Guide 9 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive Configuring the Internal The factory set default configuration of the internal parallel SCSI LTO 3 Parallel SCSI Tape Drive Half Height Tape Drive is e SCSIID 6 e Terminator power enabled IF the default parallel SCSI ID configuration is THEN you can compatible with your system SCSI bus skip the following subsection and proceed to Configuring the Internal Parallel SCSI Terminator Power on page 12 already assigned to another device change the configuration of either the other device or the LTO 3 Half Height Tape Drive as described in the following subsection Configuring the Internal Drive Parallel SCSI ID Each device on the parallel SCSI bus must have its own unique SCSI ID Use SCSI configuration jumper pins 1 2 3 4 5 6 and 7 8 on the drive back panel to change the SCSI ID of the LTO 3 Half Height Tape Drive see figure 2 and table 2 Note Parallel SCSI controllers and host adapters generally use ID 7 In
44. command to backspace over individual tape blocks e Unloadable device drivers e Buffered write operations e Mode Select Page 10h operations to enable disable data compression 2 After modifying the st conf file use the boot r command to restart the system and reconfigure the kernel a If you are replacing a tape device with the same SCSI ID you might want to delete the st devices from the dev rmt directory This is recommended b When using commands that require a blocking factor such as tar or ufsdump the preferred factor is e 128 optimal e 64 minimal LTO 3 Half Height Tape Drive User s Guide 29 Chapter 3 UNIX Configuration Procedures Configuring IBM AIX UNIX Environments c When using commands that require tape density and size settings the tape e Density is 124 000 bpi e Length is 1800 feet Note however that the ufsdump and ufsrestore commands are preferred as they automatically detect end of tape without the need for tape density and length settings d When writing data to tape use the c option to enable data compression For example tar cf dev rmt 0c causes the tape drive to compress the data before writing to tape Configuring IBM AIX UNIX Environments Finding Existing SCSI Controllers and Devices Configuring the UNIX Environment This subsection provides procedures for configuring IBM AIX Version 4 1x and later UNIX operating system environments Use the Isdev Cs scsi comm
45. d This TapeAlert message Signifies You are trying to write to a write protected cartridge Remove the write protection or use another tape that you are trying to write toa tape cartridge that is actually write protected 1 Eject the tape cartridge from the drive 2 Set the cartridge write protect switch to the unlocked read enabled position see figure 13 on page 39 3 Retry the backup operation The memory in the tape cartridge has failed which reduces performance Do not use the cartridge for further backup operations and or You have loaded a cartridge of a type that is read only in this drive The cartridge will appear as write protected you are trying to write to a tape cartridge that is either defective failed Cartridge Memory chip or the wrong type Retry the backup operation using a known good cartridge of the proper type If the problem persists contact Technical Support to resolve the possible problem with the tape drive Overwrite protection is set to lt setting gt Click OK to overwrite the media or insert new media that can be overwritten a software related problem Refer to the documentation for your backup software for information on the overwrite and append settings LTO 3 Half Height Tape Drive User s Guide 81 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions Hardware Failure TapeAlert Messages Hardware failu
46. d and decompressed relative to the host transfer rate The types of data to be compressed The data integrity of the compressed data The amount of compression possible in a data stream depends on factors such as Data pattern Compression algorithm Pattern repetition length Pattern repetition frequency Object size block of information to be compressed Starting pattern chosen LTO 3 Half Height Tape Drive User s Guide 49 Intelligent Data Compression Chapter 5 Theory Data Compression The transfer rate depends on factors such as e Compression ratio e Drive buffer size e Host computer input output I O speed e Effective disc speeds of the host computer Record lengths that the host computer transmits Data compression algorithms can be tailored to provide maximum compression for specific types of data Because varying types of data are encountered in normal day to day operating circumstances however an effective data compression method for a tape drive must serve various data types Additionally the data compression method must adapt to different data types automatically providing optimum handling for all types of data The compressed capacity of the tape is maximized through the use of intelligent data compression The intelligent data compression hardware determines the compressibility of each record If the size of the record is larger after a compression attempt than the native uncompressed size then th
47. determine whether the other LED activity is normal or abnormal Then proceed to step 2 of this procedure If the amber Status LED is on and the orange Error LED is flashing fast to indicate a Power On Self Test error contact Technical Support to resolve the possible problem with the tape drive on off skip to step 3 of this procedure LTO 3 Half Height Tape Drive User s Guide 72 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions 2 If other LEDs are on reset the tape drive by either e Pressing and holding the Eject button on the front panel for more than 5 seconds and releasing it both internal and tabletop drives Or by cycling the drive AC power switch off and on tabletop tape drive only 3 Verify that the tape drive passes the Power On Self Test by viewing LED activity All LEDs should be off for approximately 20 to 30 seconds after the tape drive resets If the amber Status LED is on and the orange Error LED is flashing fast to indicate a Power On Self Test error contact Technical Support to resolve the possible problem with the tape drive 4 Ifthe Power LED is on all the other LEDs are off and you still cannot load a tape cartridge into the tape drive examine the tape and the inside of the tape drive e Verify that e There are no tape labels interfering with tape insertion e Tape labels are only on proper tape surfaces and that labels are flat and not curled
48. e 2 Chapter 1 Introduction Features Features Table 1 Performance Features and Capabilities Table 1 describes the key performance features and capabilities of the LTO 3 Half Height Tape Drive Feature Description Cartridge memory Stores pertinent information about the media to enable fast cartridge loading Chassis Shock damped and isolated Data buffering 128 Mbytes for high performance Head positioner Patented proprietary mechanism for increased data integrity Intelligent data Analyzes compression factors before compression recording to maximize performance and capacity Interfaces Either parallel Small Computer System Interface SCSI or serial attached SCSI SAS LSI circuitry Custom designed for fast efficient data processing Native data transfer rate Up to 68 Mbytes per second Read channel Third generation for increased maturity and data integrity RISC processors Provide fast efficient data processing SmartVerify Includes two levels of ECC for extra data safety and error protection Supported platforms A wide variety of Windows and UNIX systems TapeAlert Monitors and reports drive performance LTO 3 Half Height Tape Drive User s Guide Chapter 1 Introduction Features Feature Description Tape picking Enhanced implementation for increased reliability Variable speed transfer Variable speeds for matching
49. e 7 Power Dissipation The tabletop LTO 3 Half Height Tape Drive has a built in 90 260 VAC 47 63 Hz automatic switching power supply Maximum voltage and power specifications for the internal LTO 3 Half Height Tape Drive is listed in table 6 Specifications are the same as those for other SCSI drives unless otherwise noted Specification 12 VDC 5 VDC DC Voltage Tolerance 12 00 10 5 00 5 Non operating max 14 Volts peak 7 Volts peak voltage Max operating current Continuous 0 8 amps RMS 4 1 amps max RMS Peak 2 3 amps RMS 4 1 amps max RMS 1 sec max Standby current max 0 45 amps RMS 1 50 amps RMS Ripple peak to peak lt 100 mV lt 100 mV RMS parameters measured at the power connector using a true RMS digital meter Power Specification Dissipation Max Standby Power 12 5 watts RMS Max Continuous Operating Power 31 watts RMS LTO 3 Half Height Tape Drive User s Guide 55 Chapter 6 Specifications Drive Performance Specifications Power Specification Dissipation Max Peak Operating Power 36 watts RMS 1 sec max RMS parameters measured at the power connector using a true RMS digital meter Drive Performance Specifications Table 8 Drive Performance Specifications Table 8 lists the performance specifications of the LTO 3 Half Height Tape Drive Specification Value Average data access time 650 m tape from BOW
50. e Drive User s Guide xiv Chapter 1 0 m Introduction m This chapter provides an introductory overview of the Quantum LTO 3 Half Height Tape Drive Topics include e Overview e Drive Models e Features Sq Overview The Quantum LTO 3 Half Height Tape Drive is a high performance 16 channel tape drive that complies with the LTO interchange specifications The drive is suited for mid range to high end servers mainframe systems and tape library automation systems The LTO 3 Half Height Tape Drive uses Ultrium data cartridges Its capacity is maximized using intelligent data compression The drive has a native capacity of 400 Gbytes 800 Gbytes assuming 2 1 data compression LTO 3 Half Height Tape Drive User s Guide 1 Chapter 1 Introduction Drive Models The LTO 3 Half Height Tape Drive has a 5 4 inch half height form factor with automatic electromechanical cartridge soft load It is available in two models e Internal e Tabletop Drive Models Internal Tabletop Figure 1 Internal LTO 3 Half Height Tape Drive The internal model see figure 1 is a 5 4 inch drive that you can install inside the drive bay of a e Computer workstation or server system Quantum rackmount drive enclosure The tabletop model is a 54 inch drive that is already mounted inside a stand alone external drive enclosure with a built in power supply POWER T Quantum LTO 3 Half Height Tape Drive User s Guid
51. e LTO 3 Half Height Tape Drive has a 128 Mbyte buffer The buffer controller has a burst transfer rate of 320 Mbytes sec and utilizes bank switching to achieve a maximum average bandwidth of nearly 240 Mbytes sec The high bandwidth is needed to support look aside data compression in the case of compressible data being transferred from SCSI at 160 Mbytes sec A Data Integrity The mechanical and electrical design of the drive ensures that drive performance does not degrade over time Changes in head alignment head wear component drift and other factors are minimized to ensure that data integrity and interchange capability are not compromised The drive also incorporates adaptive Finite Impulse Response FIR filters that modify the equalization of each read channel dynamically to compensate for many of those changes The error rate of the LTO 3 Half Height Tape Drive is less than 1 hard error in 10 bits The undetectable error rate is 1 in 107 bits read LTO 3 Half Height Tape Drive User s Guide 46 Error correction Code ECC Chapter 5 Theory Data Integrity The use of Cyclic Redundancy Checking CRC two level orthogonal Error Correction Coding ECC provides a very low probability of encountering a hard error During the read process ECC correction is performed on the fly without affecting tape streaming There are two levels of Error Correction Coding ECC These two levels are orthogonal that is an ECC code
52. e The tape drive opening is free of debris and tape labels e The tape pin and tape are fully within the cartridge e If you are inserting a cleaning cartridge verify that the cleaning tape e Is valid The tape drive ejects unsupported cleaning tapes e Has not expired See table 4 on page 37 for Cleaning Cartridge at EOT 5 Attempt to insert a different tape cartridge 6 Ifa tape still cannot be inserted into the tape drive contact Technical Support to resolve the possible problem with the tape drive LTO 3 Half Height Tape Drive User s Guide 73 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions Drive Does Not Eject the If you cannot eject a tape cartridge from the LTO 3 Half Height Tape Tape Cartridge Drive 1 Verify that the tape drive Power LED is on and that all other LEDs are off IF the Power LEDis AND other LEDs are THEN off off refer to the procedures for troubleshooting power problems under Computer Hardware Does Not Recognize the Tape Drive on page 65 to determine why the Power LED is not on on on or flashing see table 4 on page 37 to determine whether the other LED activity is normal or abnormal Then proceed to step 2 of this procedure If the amber Status LED is on and the orange Error LED is flashing fast to indicate a Power On Self Test error contact Technical Support to resolve the possible problem with the tape drive
53. e bay and align either the upper or lower mounting holes whichever is appropriate with the holes in the chassis see figure 5 5 Secure the drive using two M3 0 X 4 metric screws on each side Caution Using screws longer than 4 mm can damage the drive Do not use screws longer than 4 mm to secure the internal LTO 3 Half Height Tape Drive After mounting the internal LTO 3 Half Height Tape Drive proceed to Connecting the Internal Drive Interface and DC Power Cables in the following subsection LTO 3 Half Height Tape Drive User s Guide 14 Chapter 2 Installation Procedures Installing the Internal LTO 3 Half Height Tape Drive Figure 5 Internal Tape Drive Upper mounting holes Mounting Holes Lower mounting holes Connecting the Internal As shown in figure 6 and figure 7 the rear panels of the internal LTO 3 Drive Interface and DC Half Height Tape Drives have connectors for power Cabiks e Either a 68 pin parallel SCSI or a 7 pin 1x SATA style interface cable e A serial library interface cable e The internal drive DC power cable Connect the interface and DC power cables to the internal drive as follows 1 Verify that the system is shut down and the AC power cord is disconnected from the facility AC power receptacle 2 Depending on the interface configuration of your internal drive a For the parallel SCSI internal drive e Attach the internal parallel SCSI interface cable to the 68 pin
54. e drive AC power switch to the off position and re seat the AC power cord connector b Set the drive AC power switch to the on position and check the Power LED IF the Power LEDis THEN off set the drive AC power switch to the off position replace the AC power cable with one from a known working device and reset the AC power switch to the on position If the Power LED Comes on then resolve the problem with the AC power cable connector e Remains off then contact Technical Support to resolve the possible problem with the tape drive on repeat step 2 of this procedure to confirm that re seating or replacing the AC power cable solved the problem and the tape drive is recognized during system startup If the tape drive is e Recognized during the SCSI controller scan then the problem is resolved e Still not recognized then proceed to step 5 to determine whether the drive passed the Power On Self Test functions LTO 3 Half Height Tape Drive User s Guide 68 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions 5 Ifthe Power LED is on but the tape drive is not recognized during the SCSI controller scan use the front panel LEDs to determine whether the drive passes the Power on Self Test POST functions See table 4 on page 37 IF the LEDs show that the tape drive the POST functions THEN fails contact Technical Support to resolve
55. e megabytes per second data transfer rate to verify that the tape drive is performing at an acceptable rate IF you believe that the read write transfer rate is THEN too slow use the tape diagnostic software to perform a trace buffer retrieval Send the diagnostic output file to Technical Support for evaluation of the SCSI bus condition acceptable but backups still it might be attributed to the seem to be slow number of files and the average size of the backup files These factors can have a significant effect on the backup performance Backups where the average file size is less than 200 Kbytes for example are slower than backups where the average file size is greater than 200 Kbytes Obtain backup log files to determine number of files and average file size Failed Operations The LTO 3 Half Height Tape Drive supports the TapeAlert standard and TapeAlert Messages issues the appropriate alert messages in response to operational error conditions You can view TapeAlert messages either directly on the system screen or in the log file of your backup application Note however that some operational error conditions can cause more than one TapeAlert message LTO 3 Half Height Tape Drive User s Guide 78 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions The following subsections provide troubleshooting guidelines for dealing with the most common TapeAlert error conditions
56. e record is written in its native form The intelligent data compression utilizes two compression schemes e Scheme 1 is a LZ1 based compression scheme using a history buffer to achieve data compression e Scheme 2 is a pass through compression scheme designed to pass uncompressible data through with minimal expansion There are three specific requirements for compliance with the LTO specification e The output data stream must be decompressible following LTO rules to create the input sequence of records and file marks perfectly e An LTO compressed data stream may not contain any of the eight reserved control symbols e While control symbols allow switching to Scheme 2 this should never be used by operational software because this capability is only for diagnostic and testing purposes LTO 3 Half Height Tape Drive User s Guide 50 Chapter 5 Theory Data Compression Software data compression should never be used because the built in intelligent data compression of the LTO 3 Half Height Tape Drive is much more efficient than software data compression The LTO 3 Half Height Tape Drive uses a derivative of ALDC 2 lossless data compression that includes additional control codes for intelligent data compression LTO 3 Half Height Tape Drive User s Guide 51 Chapter 6 Specifications This chapter provides technical specifications for the LTO 3 Half Height Tape Drive The topics covered in this chapter are Physical S
57. e tabletop LTO 3 Half Height Tape Drive complete the following procedures in the order presented 1 Depending on the interface configuration of the drive IF the drive interface is THEN parallel Small Computer System Interface SCSI proceed to Configuring the Tabletop Parallel SCSI Tape Drive in the following subsection to configure the SCSI ID serial attached SCSI SAS there is no need to configure the SCSI ID as SAS is a point to point architecture Skip to Connecting the Tabletop Drive Interface and AC Power Cables on page 21 2 Connecting the Tabletop Drive Interface and AC Power Cables on page 21 3 Restarting the Tabletop Drive System on page 24 4 Installing the LTO Driver Software on page 25 if required 5 Registering the LTO 3 Half Height Tape Drive on page 25 LTO 3 Half Height Tape Drive User s Guide 18 Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive Configuring the Tabletop The factory set default configuration of the tabletop parallel SCSI LTO 3 Parallel SCSI Tape Drive Half Height Tape Drive is e SCSIID 6 e Terminator power enabled IF the default parallel SCSI ID configuration is THEN you can compatible with your system SCSI bus skip the following subsection and proceed to Connecting the Tabletop Drive Interface and AC Power Cables on page 21 already assigned to another device
58. ecification Description Cartridge load eject 100 000 cartridge load eject cycles no thread Error recovery and control Mean time between failures MTBF e Error correction code techniques C1 and C2 ECC e Read after write RAW e Error monitoring and reporting error log e Retry on 250 000 hours MTBF at 100 duty cycle power applied and tape moving continuously tabletop drive 50 000 hours at full load and 25 C Mean time to replace MTTR Less than 30 minutes Nonrecoverable error rate LTO 3 Half Height Tape Drive User s Guide Less than 1 in 10 bits Mean Time Between Failures Mean Time to Replace Chapter 6 Specifications LTO Cartridge Specifications The mean time between failures MTBF for the internal drive is specified at 250 000 hours minimum This specification includes all power on and operational time but excludes maintenance periods Operational time is assumed to be 100 of the power on time Operational time is the time the tape is loaded The MTBF for the tabletop drive power supply is 50 000 hours with the unit operated at full load and 25 C Note The MTBF rating does not represent any particular drive but is derived from a large database of test samples Actual rates may vary from unit to unit The mean time to replace MTTR is the average time required by a qualified service technician to diagnose a defective drive and to install a
59. eight Tape Drive ccceeceseeeeeeeeee 6 Handling Precautions and Installation Guidelines 0 0 0 eee 6 Preinstallation Requirements ccecseceeeseeeeseseeseeseesecseeeeeseneceeneeeees 7 Unpacking and Inspecting the Drive eee ees ee ee ceeeeeeeteeeneeees 8 Installing the Internal LTO 3 Half Height Tape Drive cceseeeneee 9 Configuring the Internal Parallel SCSI Tape Drive uu 10 Mounting the Internal Tape Drive cece cette reeeeeeeeetetenenees 13 Connecting the Internal Drive Interface and DC Power Cables 15 Restarting the Internal Tape Drive System cccecceseseeseseeeeteeeeees 17 Installing the Tabletop LTO 3 Half Height Tape Drive 17 LTO 3 Half Height Tape Drive User s Guide iii Contents Configuring the Tabletop Parallel SCSI Tape Drive 19 Connecting the Tabletop Drive Interface and AC Power Cables 21 Restarting the Tabletop Drive System uu eee eee eeeeneeeeeeeneeees 24 Installing the LTO Driver Software ss sssssssesersssresstssstestessrtestnssntreesneen tes 25 Registering the LTO 3 Half Height Tape Drive ee eee eres 25 Chapter 3 UNIX Configuration Procedures 26 A Word About SCSI Controllers cccccccccsessesseseseeeeseseseesenessseseeesneeseseeees 26 Finding Existing SCSI Devices and Controllers ccccccscsseesteteeseees 27 Configuring Sun UNIX Environments cccccccsesesesseseeeeeeeseseseeneeseseeeess 27 Finding Existing SCSI Devices and C
60. es redundancies in data before recording the information to tape This increases the amount of data that can be stored on a finite medium and increases the overall storage efficiency of the system With data compression the redundant information in a data stream is identified and represented by codewords or symbols that allow the same LTO 3 Half Height Tape Drive User s Guide 48 Chapter 5 Theory Data Compression data to be recorded in a fewer number of bits These codewords or symbols point back to the original data string using fewer characters to represent the strings Because these smaller symbols are substituted for the longer strings of data more data can be stored in the same physical space Some important benefits result from data compression in tape drives The same amount of information can be stored on a smaller length of tape More data can be stored on a given length of tape Performance can more closely parallel to that of high transfer rate computers More information can be transferred in the same time interval Data Compression In an effective data compression method several factors are important Considerations The amount of compression which is measured by the compression ratio This ratio compares the amount of uncompressed data to the amount of compressed data It is obtained by dividing the size of the uncompressed data by the size of the compressed data The speed with which data is compresse
61. g corrected data from syndromes The correction depends on the number and types of errors involved e For one known C1 codeword pair in error in a subdata set C2 codeword the operation is performed by the ECC coprocessor hardware e For two or more known C1 codeword pairs in error the matrix is computed by firmware and the correction is performed by hardware e For one or more unknown C1 codeword pairs syndromes are generated by hardware error location is computed by firmware the matrix is computed by firmware and the correction is performed by hardware During a write operation if the servo system detects an error that may result in adjacent data tracks being overwritten the write operation is aborted The write operation will not continue until the correct servo tracking is re established a a es Data Compression Typical data streams of text graphics software code or other forms of data contain repeated information of some sort whether it is at the text level where you can readily recognize regular repetitions of a single word or at the binary level where the repetitions are in bits or bytes Although most data is unique and random the binary level data exhibits patterns of various sizes that repeat with varying degrees of regularity Storage efficiency is increased if the redundancies or repetition in the data are removed before the data is recorded to tape Data compression technology significantly reduces or eliminat
62. ide technical information which may be helpful in performing the procedure Caution Cautions indicate potential hazards to equipment and are included to prevent damage to equipment Warning Warnings indicate potential hazards to personal safety and are included to prevent injury Related Documents The following subsection identifies the primary documents that are related to the LTO 3 Half Height Tape Drive LTO 3 Half Height Tape Drive User s Guide x Preface Standards Conformance The Small Computer System Interface is described in standards that include several versions and a number of individual documents The original Small Computer System Interface Standard X3 131 1986 is referred to as SCSI 1 SCSI 1 was revised resulting in the Small Computer System Interface 2 X3 131 1994 referred to as SCSI 2 The set of SCSI 3 standards are collectively referred to as SCSI 3 The applicable ANSI standards are as follows e INCITS Technical Committee T10 SCSI Storage Interfaces Standards LTO 3 Half Height Tape Drive User s Guide SCSI Architecture Model 2 SAM 2 INCITS 366 2003 SCSI Architecture Model 3 SAM 3 INCITS 402 2005 SCSI Architecture Model 4 SAM 4 in development Automation Drive Interface Commands ADC INCITS 403 2005 Automation Drive Interface Commands ADC 2 in development Automation Drive Interface Transport Protocol ADT INCITS 406 2005 Aut
63. m environment refer to the following subsections for troubleshooting guidelines if the LTO Half Height Tape drive is recognized by the system hardware at startup but not by the operating system or applications Windows Operating System Environments When a tape drive is installed in a Windows operating system environment Windows displays a message on the screen if it does not have a driver in place for the tape drive IF the tape drive is for use in THEN you an ISV application can click the Cancel button to clear the message When the ISV backup software application is running the application invokes its own drivers to run the tape drive a native Windows operating must install the proper driver for system backup utility the tape drive Red Hat Linux Operating System Environments The tape driver for Red Hat Linux called st is included as part of the Red Hat Linux operating system When Red Hat Linux starts the operating system recognizes the tape drive and automatically configures it as a device in the dev directory If it is the first tape device in the dev directory the tape drive is known as dev st0 or dev nsto0 LTO 3 Half Height Tape Drive User s Guide 70 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions There are various ways to view the log files to see whether Linux recognizes the tape drive e One method is to open a terminal window and issue the following comma
64. ment at the time of disposal helps conserve natural resources and ensures that the equipment is recycled in a manner that protects human health and the environment For more information about properly disposing of your waste equipment for recycling please visit our website at qcare quantum com or contact your local government authority your household waste disposal service or the business from which you purchased the product LTO 3 Half Height Tape Drive User s Guide 88 Appendix C D f Regulatory Compliances a O This appendix identifies the he LTO 3 Half Height Tape Drive regulatory compliances The topics include e Safety Compliances e Electromagnetic Compatibility EMC Compliances on page 91 LTO 3 Half Height Tape Drive User s Guide 89 Appendix C Safety Compliances Safety Compliances The LTO 3 Half Height Tape Drives are safety compliant with the following regulatory codes in the countries indicated Country Regulatory Organization Compliant to Canada EU member nations Canadian Standards Association CSA Comit Europ en de Normalisation Electrotechnique the European Committee for Electrotechnical Standardization CENELEC UL CSA 60950 1 EN 60950 1 1st edition IECEE member International Electrotechnical CB Scheme per IEC nations Commission on Electrical 60950 1 with details Equipment IECEE for Mutual and exceptions for each Recognition of Test Certifi
65. nd from the root directory dmesg grep SCSI This command produces an output similar to scsi0 lt Adaptec AHA 294XX Ultra2 SCSI host adapter gt found at PCI 0 16 0 e Another method might be to use the command cat proc scsi scsi This command produces an output similar to Host scsi0 Channel 0 Id 6 Lun 00 Vendor Quantum Model ULTRIUM 3 Rev 1897 Type Sequential Access ANSI SCSI revision 04 e You can also use a text editor to view the messages in the file var log and look for tape drive entries e Sometimes a system can have multiple tape device names in the dev directory and will not know which st number to use To view the st device number for your attached tape drive use the command dmesg grep tape This command produces an output similar to Detected SCSI tape st0 and scsi0 LTO 3 Half Height Tape Drive User s Guide 71 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions Drive Does Not Load the If you cannot load a tape cartridge into the LTO 3 Half Height Tape Tape Cartridge Drive 1 Verify that the tape drive Power LED is on and that all other LEDs are off IF the Power LEDis AND other LEDs are THEN off off refer to the procedures for troubleshooting power problems under Computer Hardware Does Not Recognize the Tape Drive on page 65 to determine why the Power LED is not on on on or flashing see table 4 on page 37 to
66. oint on the tape shall not exceed 4000 A m Each Ultrium cartridge has 4 Kbytes of nonvolatile memory e 3 Kbytes are used to store tape directory and hardware specific information e 1 Kbyte is available for application and OEM use The cartridge memory is powered read and written to via a radio frequency link After 5 000 load eject cycles replace the cartridge to insure data integrity LTO 3 Half Height Tape Drive User s Guide 61 m Troubleshooting Guide f Chapter 7 OQ This chapter provides best practice installation guidelines for getting the most out of your LTO 3 Half Height Tape Drive and troubleshooting information you can use to identify and resolve tape drive problems Topics covered in this chapter are e Installation Best Practices e Troubleshooting Suggestions on page 64 Installation Best Practices Following SCSI Best Always follow SCSI best practices when installing an LTO 3 Half Height Practices Tape Drive to ensure trouble free installation and operation Using a Parallel SCSI To achieve the very best performance from your parallel SCSI LTO 3 Host Bus Adapter HBA Half Height Tape Drive and optimize your backup operations always attach the dive to a SCSI controller that supports the SCSI Ultra 3 LVD interface with 160 MBytes per sec transfer rate Attaching the drive toa non LVD controller or attaching non LVD devices to the same bus with LTO 3 Half Height Tape Drive
67. omation Drive Interface Transport Protocol 2 ADT 2 in development Fibre Channel Protocol for SCSI FCP INCITS 269 1996 Fibre Channel Protocol for SCSI Second Version 2 FCP 2 INCITS 350 2003 Fibre Channel Protocol for SCSI Third Version 3 FCP 3 INCITS 416 2006 Fibre Channel Protocol for SCSI Fourth Version 4 FCP 3 in development SCSI 3 Medium Changer Commands SMC INCITS 314 1998 SCSI Media Changer Commands 2 GMC 2 INCITS 382 2004 SCSI Media Changer Commands 3 GMC 3 in development SCSI Parallel Interface 3 SPI 3 INCITS 336 2000 SCSI Parallel Interface 4 SPI 4 INCITS 362 2002 Xi Contacts Preface SCSI Parallel Interface 5 SPI 5 INCITS 367 2003 SCSI 3 Primary Commands SPC INCITS 301 1997 SCSI Primary Commands 2 SPC 2 INCITS 351 2001 SCSI Primary Commands 3 SPC 3 INCITS 408 2005 SCSI Primary Commands 4 SPC 4 in development SCSI 3 Stream Commands SSC INCITS 335 2000 SCSI Stream Commands 2 SSC 2 INCITS 380 2003 SCSI Stream Commands 3 SSC 3 in development Serial Attached SCSI SAS INCITS 376 2003 Serial Attached SCSI 1 1 SAS 1 1 INCITS 417 2006 Serial Attached SCSI 2 SAS 2 in development e INCITS Technical Committee T11 Device Level Interfaces Standards Fibre Channel Arbitrated Loop FC AL 2 Amendment 1 INCITS 332 1999 AM1 2003Fibre Channel Generic Services 4 FC GS 4 INCITS 387 2004 Fibre Channel Generic Services 5 FC GS 5 in development Fi
68. onnecting the Tabletop Drive Interface and AC Power Cables in the following subsection LTO 3 Half Height Tape Drive User s Guide 20 Connecting the Tabletop Drive Interface and AC Power Cables Figure 9 Tabletop SCSI Interface and Power Cable Connectors Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive As shown in figure 9 and figure 10 the rear panels of the tabletop LTO 3 Half Height Tape Drives have connectors for e Either a 68 pin parallel SCSI cable two connectors or a 26 pin SFF 8088 mini SAS style interface cable e The AC power cable For the tabletop parallel SCSI drive either SCSI connector can be used as a SCSI IN or SCSI OUT connection This means you can use either connector to attach the drive to a host computer or to another parallel SCSI device 68 pin parallel SCSI connectors AC power switch AC power connector LTO 3 Half Height Tape Drive User s Guide 21 Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive Figure 10 Tabletop SAS 26 pin SFF 8088 mini SAS connector AC power switch Interface and Power Cable Connectors AC power connector Connect the interface and AC power cables to the tabletop drive as follows 1 As required a Save and close your open files and terminate all running applications Shut down the workstation or server system
69. ontrollers ccccesceeesseteeseees 28 Configuring the UNIX Environment cccccseesseeeeeeeseeeeneeseseeneseeees 28 Configuring IBM AIX UNIX Environments cccccccseseseseeseeeseeseeesnenenes 30 Finding Existing SCSI Controllers and Devices c cccssssesesesteteeseees 30 Configuring the UNIX Environment ccccceseceeseeseseseeeeteteeeeeenesees 30 Configuring Linux UNIX Environment cccsceesesseseseeseeseseeteteeeeeeeenes 32 Finding Existing SCSI Controllers and Device ccccsscsseseseteeseees 32 Configuring the UNIX Environment ccccceseeeeneseseseeeseeteeeeeenenees 33 Configuring HP UX UNIX Environment ccccecsseeeeseeseseseeteeseeeees 33 Finding Existing SCSI Controllers and Devices c cccssesesesesteseeseees 34 Configuring the UNIX Environment ccccceeeeseeeseseseeeeteteeeeeenenens 34 Chapter 4 Operation 36 Understanding the Front Panel Display ccccsesesseessesereseseeseteeseeeeees 36 Using LTO Tape Cartridges ssncasininiesnsiiiniiiin ini 38 Loading a Tape Cartridge scivscssssesseasssctaveenssiendisiesieanstoensoensgscenssenasteee 38 Unloading a Tape Cartridge oo ceeeeceesceeseseeceneesneneeeceneneneneey 39 Write Protecting a Tape Cartridge oo ieee eeeeeeee eens reneneeeeeeeneenes 39 Tape Cartridge Care and Maintenance ccc eects ee ee eeeeeene teens 40 Cleaning the Tape Drive sss sssisssscevesssassvevenssdacesvasssesbisvorses qousns
70. p see the subsection referenced in the step Q 1 Unpack the contents of your drive package and check for damaged items See Unpacking and Inspecting the Drive on page 8 Q 2 Review the parallel SCSI drive s default settings and change them if necessary e SCSI ID 6 e Terminator Power Enabled See Configuring the Tabletop Parallel SCSI Tape Drive on page 19 0 3 Connect a parallel SCSI or serial attached SCSI SAS interface cable to the drive See Connecting the Internal Drive Interface and DC Power Cables on page 15 0 4 Check SCSI bus termination for a parallel SCSI drive See figure 8 on page 20 Q 5 Connect a power cable to the drive See Connecting the Tabletop Drive Interface and AC Power Cables on page 21 0 6 Turn on the computer Turn on the tabletop tape drive e Verify that the tabletop tape drive is operating properly Q 7 Register your tape drive Registering the LTO 3 Half Height Tape Drive on page 25 LTO 3 Half Height Tape Drive User s Guide 87 DD G E Appendix B Disposal of Electrical amp Electronic f Equipment a This symbol on the LTO 3 Half Height Tape Drive or on its packaging indicates that the tape drive should not be disposed of with your other waste materials Instead it should be submitted to a designated collection point for the recycling of electrical and electronic equipment The separate collection and recycling of your waste equip
71. pecifications Power Specifications on page 55 Drive Performance Specifications on page 56 Environmental Requirements on page 58 Injected Noise Specifications on page 59 Reliability Specifications on page 59 LTO Cartridge Specifications on page 60 LTO 3 Half Height Tape Drive User s Guide 52 Physical Specifications Table 5 Physical Specifications Chapter 6 Specifications Physical Specifications Table 5 lists the physical specifications of the LTO 3 Half Height Tape Drive which is shown in figure 15 Internal Drive Specification Without Bezel With Bezel Tabletop Drive Height 1 63 inches 1 70 inches 2 60 inches 41 3 mm 43 1 mm 66 2 mm Width 5 76 inches 5 87 inches 8 35 inches 146 30 149 10 mm 212 13 mm Length 8 56 inches 8 76 inches 10 73 inches 217 50 mm 222 57 mm 272 49 mm Max to end of connector Max to end of connector Weight 3 66 lbs 3 72 Ibs 8 00 Ib 1 66 kg 1 69 kg 3 63 kg LTO 3 Half Height Tape Drive User s Guide 53 Chapter 6 Specifications Physical Specifications Figure 15 LTO 3 Half Height Tape Drive Dimensions TO CARTRIDGE CENTER 26 1 FROM SIDE MOUNTING SURFACE TO CARTRIDGE CENTER FROM BOTTOM MOUNTING SURFACE 18 50 LTO 3 Half Height Tape Drive User s Guide Chapter 6 Specifications Power Specifications Power Specifications Table 6 Voltage and Current Specifications Tabl
72. re TapeAlert messages are descriptive and straightforward This TapeAlert message Signifies The tape drive has a hardware fault 1 Eject the tape or magazine 2 Reset the drive 3 Restart the operation Or The tape drive has a hardware fault 1 Turn the tape drive off and then on again 2 Restart the operation 3 If the problem persists call the tape drive supplier helpline a tape drive hardware failure 1 Press the Eject button on the front panel to eject the tape cartridge 2 Cycle the tape drive power to the off then on position For the internal LTO 3 Half Height Tape Drive a Terminate all running applications b Shut down the workstation or server system c Restart the system For the tabletop LTO 3 Half Height Tape Drive use the AC power on off switch on the back panel to cycle the drive power to the off then on positions 3 Check the tape drive front panel LED indicators to determine the operational condition of the drive see table 4 on page 37 This LED indication Signifies e Amber Power LED on steady and e All others off the normal operational configuration The problem is resolved LTO 3 Half Height Tape Drive User s Guide 82 Chapter 7 Troubleshooting Guide Troubleshooting Suggestions This LED indication Signifies e Orange Error LED fast flashing a hardware failure condition Contact Technical S
73. re data sub bands There are 16 data sub bands per data band The data tracks are accessed in a serpentine manner A wrap is a track group recorded in the physical forward or physical reverse direction The wraps are recorded in a serpentine fashion starting in data band 0 The tape contains 44 track groups 22 written in the forward direction and 22 written in the reverse direction Even numbered wraps are recorded in the forward direction BOT to EOT and odd numbered wraps are recorded in the reverse direction EOT to BOT Figure 14 shows the layout of data on an LTO tape Figure 14 Layout of the Tracks on LTO Ultrium Tapes Oe an aa Se aa Tape edge 0 ee S D D a Servo band 5 y Even wrap Sub band 0 Odd wrap A Sub bands 1 through 14 4 not shown Data Band Beginning of tape BOT End of tape EOT Y Even wrap _ eu Sub band 15 wrap 0 gt Servo band 5 m a a a a a a a a a a a a e oo Tape edge LTO 3 Half Height Tape Drive User s Guide 45 Chapter 5 Theory Recording Method Recording Method The LTO 3 Half Height Tape Drive records data using write equalized 0 13 11 Run Length Limited RLL code RLL 0 13 11 Data bits are defined as follows e ONE is represented by a flux transition at the center of a bit cell e ZERO is represented by no flux transition in the bit cell R Data Buffer In its default configuration th
74. rseceonseonsbenntones 41 Performing an Emergency Reset and Cartridge Eject 0 eee 42 Chapter 5 Theory 44 Track LAY OUUssasescs cas cossescesexsvenecctaresecsntearecut s cnet sessotuseecscdesqstesses aipa aiei gaitik 44 Recording Methodiaernereornirenni n a E NNS 46 Data Buster sirove ar ENE E S 46 LTO 3 Half Height Tape Drive User s Guide iv Contents Datta Inte Stity vice ecstatic dibasic aa aided enact ceeded 46 Error correction Code ECC cecesesesssceecseseeseeseessenseeseeateeeenenaneenes 47 Serv tracking Faults sesioan iiini iiias 48 Data COMPTeSSION si ci sasci tases cuisisstenenssons iaseucdesntaseacdsasiaandssaasiasentenastaaenesaasianieee 48 Data Compression Considerations ceceesesesseseecseeseeseeseeeeeseeaeeenes 49 Intelligent Data Compression c cece eeeseeeeeeeseseeeeteceeeeeeneteteeey 50 Chapter 6 Specifications 52 Physical SPeciiicatiOMs evissncissvecssveieseveberchaayetpevenedsedborsiporstvevevenssteedstensstens 53 POWer SPCCHICATONS e renereceraneciaie nnii 55 Drive Performance Specifications s ssesssserissisreereerirrsrrsrrssrerierrssrenresees 56 Environmental Requirements 0 0 c ccc eceeseseecsceeseseeseeeeaneceseseeenanenees 58 Injected Noise Specifications c ccccccsessesessesesseseseeeesessseensnensseseeesseeseneneess 59 Reliability Specifications civccs cscsecsssrscss yovetsdveenssvsuedsedbutevossenseagtecbesesterseseteeies 59 Mean Time Between Failures 00 0
75. rt Messages cccccseeeeeseseeceeseeee teens 78 LTO 3 Half Height Tape Drive User s Guide V Contents Appendix A Installation Checklists 85 Internal LTO 3 Half Height Tape Drive Quick Start cccsseeee eee 86 Tabletop LTO 3 Half Height Tape Drive Quick Start 0 0 87 Appendix B Disposal of Electrical amp Electronic Equipment 88 Appendix C Regulatory Compliances 89 Safety Complansa E EEE S 90 Electromagnetic Compatibility EMC Compliance eee 91 Index 93 LTO 3 Half Height Tape Drive User s Guide vi Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 LTO 3 Half Height Tape Drive User s Guide Figures Internal LTO 3 Half Height Tape Drive 0 0 eee 2 Internal Parallel SCSI ID Configuration Jumper Pins 11 Internal Parallel SCSI Bus Termination Examples 13 Acceptable Mounting Orientation 0 0 0 eee eeseeeeeeees 14 Internal Tape Drive Mounting Holes eens 15 Internal SCSI Drive Interface and DC Power Connectors 16 Internal SAS Drive Interface and DC Power Connectors 16 Tabletop Parallel SCSI ID Selector Switch eee 20 Tabletop SCSI Interface and Power Cable Connectors 21 Tabletop SAS Interface and Power Cable Connectors 22 Tabletop Parallel SCSI Bus Termination Examples 24 Front Panel Display sriermiccnueniinnnisnie iis 37
76. ry e SCSI ID 6 e Terminator Power Enabled See Configuring the Internal Parallel SCSI Tape Drive on page 10 UL 3 Turn off your computer remove its covers and power cable and select a mounting bay for the drive See Mounting the Internal Tape Drive on page 13 0 4 Connect a parallel SCSI or serial attached SCSI SAS interface cable to the drive See Connecting the Internal Drive Interface and DC Power Cables on page 15 u 5 Terminate the parallel SCSI bus if the internal tape drive is the last device on the SCSI bus See figure 3 on page 13 Q 6 Connect a serial cable if installing the tape drive in a tape library system See Connecting the Internal Drive Interface and DC Power Cables on page 15 0 7 Connect a DC power cable to the drive See Connecting the Internal Drive Interface and DC Power Cables on page 15 n 8 Replace the computer covers and AC power cable turn on the computer and verify that the internal tape drive is operating properly L 9 Register your tape drive See Registering the LTO 3 Half Height Tape Drive on page 25 LTO 3 Half Height Tape Drive User s Guide 86 Appendix A Tabletop LTO 3 Half Height Tape Drive Quick Start Tabletop LTO 3 Half Height Tape Drive Quick Start Use the following quick start procedure to install tabletop LTO 3 Half Height Tape Drive Print this page and check each step as you complete it If you need more information about a ste
77. s when handling and Installation and installing LTO 3 Half Height Tape Drives Guidelines e Internal at all times e Tabletop when removed from its free standing enclosure Handling Precautions e Internal drives have exposed components that are sensitive to static electricity To reduce the possibility of damage from static discharge the drives are packaged in a protective antistatic bag Do not remove the drive from the antistatic bag until you are ready to install it Wear an ESD preventive grounding wrist strap or observe similar ESD precautions when working with the drive Be sure the wrist strap makes good skin contact Do not remove the wrist strap until you finish working with the drive Also avoid contact between the drive other equipment and clothing The wrist strap only protects the equipment from ESD voltages on the body ESD voltages on clothing can still cause damage Before removing the drive from the antistatic bag touch a grounded metal surface to discharge any static electricity buildup from your body LTO 3 Half Height Tape Drive User s Guide continued Chapter 2 Installation Procedures Before Installing the LTO 3 Half Height Tape Drive Handling Precautions continued Handle the drive by its sides rather than by the top cover to reduce the risk of dropping the drive or damaging it during installation Either lay the drive on a nonconductive surface or put it back in
78. side the protective antistatic bag to reduce the chance of damage from static discharge Installation Guidelines LTO 3 Half Height Tape Drives with the parallel SCSI interface are low voltage differential LVD SCSI devices Install LVD drives only in LVD environments Do not mix LVD and HVD devices on the same parallel SCSI bus Due to the high speed of the LTO 3 Half Height Tape Drive do not connect more than one LTO 3 drive to the same channel on a host SCSI adapter Preinstallation Before installing the LTO 3 Half Height Tape Drive make sure you have Requirements host computer e A host bus adapter HBA installed and properly configured in the e Parallel SCSI HBA for a parallel SCSI drive e Serial SCSI HBA for a SAS drive e Interface components e For a parallel SCSI drive either internal or tabletop a 68 pin parallel SCSI cable and terminator e For a SAS drive either 7 pin 1x SATA style interface cable for an internal drive e 26 pin SFF 8088 mini SAS style interface cable for a tabletop drive LTO 3 Half Height Tape Drive User s Guide Chapter 2 Installation Procedures Before Installing the LTO 3 Half Height Tape Drive e Backup application software that supports the tape drive For a list of the backup software applications that have been tested with the LTO 3 Half Height Tape Drive please visit our website at www quantum com support Unpacking and Although each LTO 3 Half
79. t Tape Drive User s Guide 40 Chapter 4 Operation Cleaning the Tape Drive Cleaning the Tape Drive Excessive tape debris or other material can accumulate on the tape heads if the drive is e Used with non approved media e Operated in a hot dusty environment When this happens the drive can experience excessive errors while reading or writing and illuminate the amber Status LED continuously during operation This means that the drive needs to be cleaned The LTO cleaning cartridge has the same dimensions as the tape cartridge and contains an LTO Cartridge Memory LTO CM but is loaded with cleaning media instead of recording media Always keep the LTO cleaning cartridge in its protective case when not in use Procedure To clean the LTO 3 Half Height Tape Drive 1 Load an LTO cleaning cartridge into the tape drive 2 Observe that both the Status and Activity LEDs are on steady during the cleaning process Note If the LTO 3 Half Height Tape Drive does not recognize the cartridge as an LTO cleaning cartridge the drive stops the cleaning process and ejects the cartridge 3 After the cleaning process completes depending on the drive configuration either a The drive automatically ejects the LTO cleaning cartridge or b You must press the Eject button to eject the LTO cleaning cartridge 4 Write the date on the cartridge label for future reference LTO 3 Half Height Tape Drive User s Guide 41 Chapter
80. te the load operation LTO 3 Half Height Tape Drive User s Guide 38 Chapter 4 Operation Using LTO Tape Cartridges Unloading a Tape To unload an Ultrium tape cartridge from the LTO 3 Half Height Tape Cartridge Drive either e Use a library or host command to unload the tape e Press the Eject button on the front panel of the drive Caution After you press the Eject button several minutes can elapse before the drive ejects the cartridge Do not power down the tape drive or the host computer until the drive has completely ejected the cartridge Write Protecting a Tape Ultrium tape cartridges have a sliding write protect switch at the right Cartridge rear corner as shown in figure 13 Sliding the write protect switch toward the Enables data to be center of the cartridge read from the cartridge but not written to the Locked position it This is the write protected position corner of the cartridge both read from and written to the the Unlocked position cartridge This is the write enabled position Figure 13 Ultrium Tape Cartridge Write Protect Switch fe Front fi rocked Unlocked Write protect switch unlocked LTO 3 Half Height Tape Drive User s Guide 39 Chapter 4 Operation Using LTO Tape Cartridges Tape Cartridge Care and Observe the following precautions to protect the data on your Ultrium Maintenance tape cartridges Always Remove
81. the AC power cord to the power connector on the back of the drive 4 Connect the drive AC power cord to the facility AC power receptacle 5 Reconnect the workstation or server system AC power cord to the facility AC power receptacle After connecting the tabletop drive interface and AC power cables proceed to Restarting the Tabletop Drive System in the following subsection LTO 3 Half Height Tape Drive User s Guide 23 Chapter 2 Installation Procedures Installing the Tabletop LTO 3 Half Height Tape Drive Figure 11 Tabletop Parallel SCSI Bus Termination Examples SCSI terminators External SCSI device External tape drive External tape drive f jo 7 N ff External SCSI M device S Gar SCSI controller WA termination disabled bar Internal SCSI SCSI controller device termination termination enabled enabled Example 1 SCSI termination in a system Example 2 SCSI termination in a system that that has only external SCSI devices has both internal and external SCSI devices Restarting the Tabletop After connecting the tabletop drive interface and AC power cables Drive System 1 Set the tabletop LTO 3 Half Height Tape Drive power switch to the on position 2 Restart the workstation or server system 3 Refer to the operating procedures in chapter 3 to verify that the tabletop LTO 3 Half Height Tape Drive comes on and completes the Power On Self Test POST functions As required proceed to either
82. the cartridge from the drive when not in use and store it in its protective case Avoid dropping the cartridge This can damage components inside the cartridge possibly rendering the tape unusable If you drop a tape cartridge open the cartridge door and make sure that the leader pin is in the correct position Re tension a dropped cartridge before using Keep the cartridge away from e Direct sunlight and heat sources such as radiators heaters or warm air ducts e Sources of electromagnetic fields such as telephones computer monitors dictation equipment mechanical or printing calculators motors magnetic tools and bulk erasers Do not Expose the cartridge to dirt dust or moisture Touch the tape media within the cartridge Bulk erase Ultrium tape cartridges LTO tape cartridges have prewritten servo patterns that cannot be reformatted by the tape drive A bulk erase operation would make them unusable Use tape cartridges outside the specified operating conditions 10 C to 40 C 20 to 80 relative humidity If a tape cartridge has been exposed to conditions outside the specified range recondition the tape before using in the operating environment by exposing it to the operating environment for a time equal to or greater than the time it was outside the operating environment up to a maximum of 24 hours Then re tension the tape to stabilize the tape pack for better performance LTO 3 Half Heigh
83. the possible problem with the tape drive passes proceed to step 6 to check for possible SCSI problems 6 If the tape drive LEDs indicate that the drive has passed the POST functions check the SCSI bus connections For the internal tape drive a b Shut down the system Verify that there are no SCSI ID conflicts between the tape drive and other SCSI devices Make sure you are using a proper SCSI cable and proper bus termination Check the SCSI cable for bent pins If possible replace the SCSI cable with one from another SCSI controller bus chain If checks a through e do not reveal a problem contact Technical Support to resolve the possible problem with the tape drive For the tabletop tape drive a LTO 3 Half Height Tape Drive User s Guide Shut down the system and cycle the tape drive AC power switch through its Off On positions Verify that there are no SCSI ID conflict between the tape drive and other SCSI devices Make sure you are using a proper SCSI cable and proper bus termination Check the SCSI cable for bent pins 69 Computer Software Does Not Recognized the Tape Drive Chapter 7 Troubleshooting Guide Troubleshooting Suggestions e If possible replace the SCSI cable with one from another SCSI controller bus chain f If checks a through e do not reveal a problem contact Technical Support to resolve the possible problem with the tape drive Depending on your operating syste
84. upport to resolve the possible problem with the tape drive e Orange Error LED fast flashing and e Amber Status LED on steady a failed Power On Self Test function Contact Technical Support to resolve the possible problem with the tape drive Tape Cleaning TapeAlert Messages Tape cleaning TapeAlert messages indicate problems when you insert a cleaning cartridge into the LTO 3 Half Height Tape Drive Like hardware failure TapeAlert messages tape cleaning TapeAlert messages are descriptive and straightforward This TapeAlert message Signifies The last cleaning cartridge used in the tape drive has worn out 1 Discard the worn out cleaning cartridge 2 Wait for the current operation to finish 3 Then use a new cleaning cartridge that the cleaning cartridge is used up Discard it See Cleaning the Tape Drive on page 41 and use a new or still functional LTO cleaning cartridge to clean the tape drive The last cleaning cartridge used in the tape drive was an invalid type 1 Do not use this cleaning cartridge in this drive 2 Wait for the current operation to finish 3 Then use a valid cleaning cartridge the tape drive does not recognize the cleaning tape as being of a valid type See Cleaning the Tape Drive on page 41 and use a valid LTO type cleaning cartridge to clean the tape drive LTO 3 Half Height Tape Drive User s Guide 83 Chapter
85. ure the LTO 3 Half Height Tape Drive for ID 7 unless you are absolutely sure that the controller is not assigned ID 7 Lh ee ne sy Configuring Sun UNIX Environments This subsection provides procedures for configuring the following Sun UNIX operating system environments e Solaris 2 4 2 5 and 2 6 e Solaris 7 8 9 and 10 LTO 3 Half Height Tape Drive User s Guide 27 Chapter 3 UNIX Configuration Procedures Configuring Sun UNIX Environments Finding Existing SCSI Use the modinfo and dmesg commands to identify the installed SCSI Devices and Controllers devices and controllers For example the command dmesg egrep target sort uniq can find all SCSI controllers and devices The output may look similar to sd32 at sd34 at st21 at st22 at ithps0 target2 lun0 ithps0 target4 lun0d ithps1 target0 lund ithps1 target4 lunO In this example the LTO 3 Half Height Tape Drive can be set for SCSI ID 2 through 6 and attached to controller ithps1 This particular controller also supports SCSI addresses 8 through 15 Note You might be able to view the main pages of three types of SCSI controllers for Sun Sparc systems esp glm e isp Do not attach the LTO 3 Half Height Tape Drive to esp type controllers They are not fast enough and will produce very slow backup operations In this case the Ultra Wide glm type controller would be the minimum acceptable device The best controllers for the
86. with the host to e Optimize data transfers e Shorten backup times e Increase reliability LTO 3 Half Height Tape Drive User s Guide m Installation Procedures f Chapter 2 OQ This chapter provides detailed installation instructions for both the internal and tabletop models of the Quantum LTO 3 Half Height Tape Drive including Before Installing the LTO 3 Half Height Tape Drive which includes e Handling Precautions and Installation Guidelines e Preinstallation Requirements on page 7 e Unpacking and Inspecting the Drive on page 8 e Detailed procedures for e Installing the Internal LTO 3 Half Height Tape Drive on page 9 e Installing the Tabletop LTO 3 Half Height Tape Drive on page 17 e Installing the LTO Driver Software on page 25 optional when required e Registering the LTO 3 Half Height Tape Drive on page 25 Optionally experienced users who are familiar with installing the LTO 3 Half Height Tape Drive can refer to the quick start checklists in appendix A on page 85 of this guide Each checklist provides abbreviated installation instructions with references to the corresponding detailed procedures in this chapter LTO 3 Half Height Tape Drive User s Guide 5 Chapter 2 Installation Procedures Before Installing the LTO 3 Half Height Tape Drive Before Installing the LTO 3 Half Height Tape Drive Handling Precautions Always observe the following precautions and guideline
87. word at one level intersects ECC codewords at the other level just once which means there will be only one common symbol between them The two levels are called C1 and C2 C1 ECC As data is written to memory from the data processing unit the DMA ECC interface generates C1 ECC bytes and writes them to memory As data is written to tape the C1 ECC is checked and an interrupt generated if there is an error The C1 ECC read from memory is the ECC that is written to tape When data is read from tape and stored into memory C1 ECC is checked and Ifthe C1 ECC is good the Valid bit for the codeword pair is set e Otherwise a pointer to the invalid codeword pair is passed to the C1 ECC correction engine e Ifthe C1 ECC correction engine can correct the error then the corrected bytes are written to memory and the Valid bit is set e Otherwise the Valid bit is left cleared As data is read from memory to the data processor for decompression the C1 ECC is again checked and an interrupt generated if it is not correct C2 ECC C2 ECC involves three distinct operations 1 Encoding Generating C2 ECC bytes from data bytes performed by ECC coprocessor hardware 2 Decoding Generating ECC syndromes from data and ECC bytes testing for all zeroes performed by ECC coprocessor hardware LTO 3 Half Height Tape Drive User s Guide 47 Servo tracking Faults Chapter 5 Theory Data Compression 3 Correction Generatin

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