QuantumメーカーLTO-2の使用説明書/サービス説明書
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Quantum LTO-2 Half-Height Tape Drive, P/N 50002763 , B01 , July 2005 Made in U SA. Quantum Corporation provides this publication “as is ” without warranty of any kind, either express or implied, including but not limited to the implied wa rran ties of merchantability or fitness for a particular purpose.
LTO-2 Half-Height Tape Drive User’s Guide iii Content s Preface xi Chapter 1 Introduction 1 Features ............ .................... ...................... .................... ....................... .............. 2 Chapter 2 Installation and Quick Start 3 Quick Start Guide .
Contents iv LTO-2 Half-Height Tape Drive User’s Guide Connecting a Serial Cable for Tape Libraries........................... ............. 14 Connecting a Power Cable ............. ....................... ...................... ............. 15 Installing the LTO Driver .
Contents LTO-2 Half-Height Tape Drive User’s Guide v Chapter 5 Specifications 35 Physical Specifications ......... ....................... .................... ...................... .......... 36 Power Specifications ................... ...........
Contents vi LTO-2 Half-Height Tape Drive User’s Guide Finding Existing SCSI Controllers and De vices ................. .................. 58 Using the LTO-2 Half-Height Tape Drive ........................ ..................... 59 Configuring for SGI Irix .
LTO-2 Half-Height Tape Drive User’s Guide vii Figures Figure 1 Drive Covered in this User’s Guide (Typical) .............. ............ 1 Figure 2 Internal LTO-2 Half-Height Tape Drive Jumper Settings ...... 9 Figure 3 Acceptable Mounting Orientation .
Figures viii LTO-2 Half-Height Tape Drive User’s Guide.
LTO-2 Half-Height Tape Drive User’s Guide ix T ables Table 1 SCSI IDs and Jumper Settings for LTO-2 Half-Height in Drive ...................... .................... ...................... .................... .... 10 Table 2 Serial Interface Connector Pi n Assignments .
T ables x LTO-2 Half-Height Tape Drive User’s Guide.
LTO-2 Half-Height Tape Drive User’s Guide xi Preface Audience This document was written for oper ators of the Quantum LTO-2 Half- Height Tape Drive. Purpose This document provides information about .
Preface xii LTO-2 Half-Height Tape Drive User’s Guide • Chapter 2, Installat ion and Quick Start describes handling precautions, unpacking tips, and in stallation instructions for the internal and desktop driv es, as we ll as a summary of cabling and connector specifications.
Preface LTO-2 Half-Height Tape Drive User’s Guide xiii Related Document s Documents related to the LTO-2 Ha lf-Height Tape Drive are shown below: SCSI-2 Spec ification 0 The SCSI-2 communications specific ation is the proposed American National Standard for information syst ems, dated March 9, 1990.
Preface xiv LTO-2 Half-Height Tape Drive User’s Guide Customer Support 0 The Quantum Customer Support Department provides a 24-hour help desk that can be reached at: North/South America: (949) 725-2.
LTO-2 Half-Height Tape Drive User’s Guide 1 Chapter 1 1 Introduction The LTO-2 Half-Height Tape Drive is a high-performance 8-channel tape drive that complies with the LTO interchange s pecifications. It is suited for mid-range to high-end servers, mainframe systems, and tape library automation systems.
Chapter 1 In troduction Features 2 LTO-2 Half-Height Tape Drive User’s Guide Features 1 The following list summarizes the key features of the LTO-2 Half-Height Tape Drives.
LTO-2 Half-Height Tape Drive User’s Guide 3 Chapter 2 2 Inst allation and Quick S tart This chapter explains how to install the internal and desktop LTO-2 Half-Height Tape Drives.
Chapter 2 In st allation a nd Quick S tart Quick S tart Guide 4 LTO-2 Half-Height Tape Drive User’s Guide Quick S t art Guide 2 Use the following quick-start instructions t o get your tape drive up and running as quickly as possible.
Chapter 2 Installation and Quick S tart Quick S tart Guide LTO-2 Half-Height Tape Drive User’s Guide 5 Desktop L TO-2 Half-Height T ape Drive Quick St art 2 Use the following procedure to install desktop LTO-2 Half-Height Tape Drive. Print this page and check each s tep as you c ompl ete i t.
Chapter 2 In st allation a nd Quick S tart Unpacking and Inspection 6 LTO-2 Half-Height Tape Drive User’s Guide Unp acking and Inspection 2 Although drives are inspected and ca refully packaged at the factory, damage may occur during shipping. Follow these steps to unpack the drive.
Chapter 2 Installation and Quick S tart Drive Installation Instructions LTO-2 Half-Height Tape Drive User’s Guide 7 • Due to the speed of the LTO-2 Half-Height Tape Drive, it is recommended that a maximum of one LTO-2 drive be connected to one channel on a host SCSI adapter.
Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 8 LTO-2 Half-Height Tape Drive User’s Guide • SCSI ID: 6 • Terminator power: disabled If you need to change these settin gs, refer to the following sections.
Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 9 Figure 2 Internal L TO-2 Half-H eight T ape Drive Jumper Set.
Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 10 LTO-2 Half-Height Tape Drive User’s Guide T able 1 SCSI IDs and Jumper Settings for L TO-2 Half-Heigh t in Drive T erminator Power 2 By default, terminator power is disabl ed on the internal LTO-2 Half-Height Tape Drive.
Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 11 Mounting the Internal T ape Drive 2 You can mount the internal LTO-2 Half-Height Tape Drive either horizontally or vertically (see figure 3 ).
Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 12 LTO-2 Half-Height Tape Drive User’s Guide Figure 4 Internal L TO- 2 Half-Height T ape Drive Mounting Dimensions INCLUDING CONNECTORS THIS HOLE M3.0 x 2.
Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 13 Connecting a SCSI Cable 2 The internal LTO-2 Half-Height Tape Dr ive has an Ultra3 SCSI int erface, terminated by an LVD SCSI connector.
Chapter 2 In st allation a nd Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive 14 LTO-2 Half-Height Tape Drive User’s Guide Checking the SCSI T ermination 2 By default, the internal LTO-2 Half-Height Tape Drive does not provide SCSI terminati on.
Chapter 2 Installation and Quick S tart Installing an Internal L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 15 T able 2 Serial Interface Conne ctor Pin Assignments Connecting a Power Cable 2 Attach a four-pin power cable to the power connector on the back of the drive.
Chapter 2 In st allation a nd Quick S tart Installing a Desktop L TO-2 Half-Height T ape Drive 16 LTO-2 Half-Height Tape Drive User’s Guide Inst alling a Desktop L T O-2 Half-Height T ape Drive 2 The desktop LTO-2 Half-Height Tape Drive is a compact subsystem that connects to the host computer through a SCSI port.
Chapter 2 Installation and Quick S tart Installing a Desktop L TO-2 Half-Height T ape Drive LTO-2 Half-Height Tape Drive User’s Guide 17 Checking the SCSI T ermination 2 If the desktop LTO-2 Half -Height Tape Dr ive is the las t or only device in a SCSI chain, install a 68-pin LVD te rminating plug on the unused SCSI connector.
Chapter 2 In st allation a nd Quick S tart Installing a Desktop L TO-2 Half-Height T ape Drive 18 LTO-2 Half-Height Tape Drive User’s Guide Registering Y our Ta p e D r i v e 2 After you install the desktop tape drive, be s ure to register it.
LTO-2 Half-Height Tape Drive User’s Guide 19 Chapter 3 3 Operation This chapter describes how to operat e the LTO-2 Half-Height Tape Drive. Topics covered in this chapter are: • Understanding the .
Chapter 3 Oper a ti o n Understanding the Front Panel Display 20 LTO-2 Half-Height Tape Drive User’s Guide Underst anding the Front Panel Display 3 Figure 8 shows a generalized view of th e LTO-2 Half-Height Tape Drive front-panel display. Figure 8 Generic Front Panel Display All drives have four LEDs on the front panel.
Chapter 3 Operation Blink Codes LTO-2 Half-Height Tape Drive User’s Guide 21 Blink Codes 3 Table 3 below summarizes the bli nk codes for the LTO-2 Half-Height Tape Drives.
Chapter 3 Oper a ti o n Using L TO Cartridges 22 LTO-2 Half-Height Tape Drive User’s Guide Using L TO Cartridges 3 Loading a Cartridge 3 To load an Ultrium cartridge into the LTO-2 Half-H eight Tape Drive, place the cartridge in the slot an d then do one of the following: • Continue to push the cartridge the rest of the way into the drive.
Chapter 3 Operation Using L T O Cartridges LTO-2 Half-Height Tape Drive User’s Guide 23 • If you slide the switch all the way toward the cor ner (see figure 9 ), data can be read from and written to the cartridge.
Chapter 3 Oper a ti o n Drive Maintenance 24 LTO-2 Half-Height Tape Drive User’s Guide Retensioning the T ape 3 If, during storage and/or transpor tati on, a data ca rtridge has been exposed to conditions outside the ab ove range, it must be conditioned before use in the operating envir onment.
Chapter 3 Operation Drive Maintenance LTO-2 Half-Height Tape Drive User’s Guide 25 The LTO cleaning cartridge has the same dimensions as the data cartridge and contains an LTO-CM (C artridge Memory), but is loaded with cleaning media instead of re cording media.
Chapter 3 Oper a ti o n Drive Maintenance 26 LTO-2 Half-Height Tape Drive User’s Guide.
LTO-2 Half-Height Tape Drive User’s Guide 27 Chapter 4 4 Theory This chapter describes operational theories use d in the LT O-2 Half-Height Tape Drive.
Chapter 4 Theo r y T rack Layout 28 LTO-2 Half-Height Tape Drive User’s Guide • There are 4 data bands, each of which includes 128 data tracks. • The data bands are numbered 2,0,1,3. Data band 2 is closest to the bottom edge of the tape. A track group should it be: is a se t of 16 data tracks that record concurrently.
Chapter 4 Theory Recording Method LTO-2 Half-Height Tape Drive User’s Guide 29 Recording Method 4 The LTO-2 Half-H eight Tape Drive records d ata using write-equalized (1,7) Run Length Limited (RLL) code. RLL (1,7) Data bits are defined as follows: •A ONE is represented by a flux transition at the center of a bit-cell.
Chapter 4 Theo r y Data Integrity 30 LTO-2 Half-Height Tape Drive User’s Guide There are two levels of Error Correction Coding (ECC). These two levels are orthogonal — that is, an ECC code word at one level intersects ECC codewords at the other level just once , which means there will be only one common symbol between them.
Chapter 4 Theory Data Compression LTO-2 Half-Height Tape Drive User’s Guide 31 • For two or more known C1 codeword pairs in error, the matrix is computed by firmware and the corre ction is performed by hardware.
Chapter 4 Theo r y Data Compression 32 LTO-2 Half-Height Tape Drive User’s Guide • The same amount of information ca n be stored on a smaller length of tape. • More data can be stored on a given length of tape. • Performance can more closely parall el to that of high-transfer-rate computers.
Chapter 4 Theory Data Compression LTO-2 Half-Height Tape Drive User’s Guide 33 Data compression algorithms can b e tailored to provide maximum compression for specific types of data .
Chapter 4 Theo r y Data Compression 34 LTO-2 Half-Height Tape Drive User’s Guide.
LTO-2 Half-Height Tape Drive User’s Guide 35 Chapter 5 5 S pecifications This chapter provides technical specificati ons for the LTO-2 Half-Height Tape Drive.
Chapter 5 Specifications Physical S pecifications 36 LTO-2 Half-Height Tape Drive User’s Guide Physical S pecifications 5 Table 4 below lists the physical specificati ons of the LTO-2 Half-Height Tape Drive. T able 4 Physical S pecifications Figure 11 shows the dimensions of the in ternal LTO--2 half-hei ght drive.
Chapter 5 S pecifications Physical S pec if ic ations LTO-2 Half-Height Tape Drive User’s Guide 37 Figure 1 1 Internal L TO-2 Half-H eight T ape Drive Dimensions 226.5 OVERALL LENGTH INCLUDING CONNECTORS THIS HOLE M3.0 x 2.5 10.0 0.5 47.4 52.9 79.2 2X M3.
Chapter 5 Specifications Power S pecifications 38 LTO-2 Half-Height Tape Drive User’s Guide Power S pecifications 5 The desktop LTO-2 Half-Height Tape Drive comes with a built-in 90- 260VAC (47-63 Hz) automatic switching power supply.
Chapter 5 S pecifications Drive Performance S pecifications LTO-2 Half-Height Tape Drive User’s Guide 39 Drive Performance S pecifications 5 Table 7 lists the perf ormance specifications for the LTO-2 Half- Height Tape Drive.
Chapter 5 Specifications Drive Performance S pecifications 40 LTO-2 Half-Height Tape Drive User’s Guide T able 7 Drive Performance S pecification Specification V alue Capacity LTO-2 (609 m) Ultrium .
Chapter 5 S pecifications Environmental Requirements LTO-2 Half-Height Tape Drive User’s Guide 41 Environmental Requirement s 5 Table 8 lists the environmental specific ations for the LTO-2 Half-Height Tape Drive. T able 8 Environmen tal Requirements Average rewind time (609-m tape) > 4.
Chapter 5 Specifications Reliability 42 LTO-2 Half-Height Tape Drive User’s Guide Injected Noise 5 The internal drive operates without degradation of error rates with 100 mV of noise injected between the ch assis and 0 V at the power connector at any frequency between 45 Hz and 20 MHz.
Chapter 5 S pecifications Mean T ime Between Fail ures LTO-2 Half-Height Tape Drive User’s Guide 43 T able 9 Reliability Mean T ime Between Failures 5 The mean time between failures (MTBF) for the int ernal drive is specified at 250,000 hours minimum.
Chapter 5 Specifications L TO Cartridge S pecifications 44 LTO-2 Half-Height Tape Drive User’s Guide Mean Ti me t o Replace 5 The mean time to replace (MTTR) is the average time required by a qualified service technician to diagnos e a defective drive and to install a replacement drive.
Chapter 5 S pecifications Regulatory Compliance LTO-2 Half-Height Tape Drive User’s Guide 45 Cartridge Memory 5 Each Ultrium cartridge ha s 4 Kbytes of nonvolatil e memory: 3 Kbytes are used to store tape-directory and hardware specific in formation.
Chapter 5 Specifications Regulatory Compliance 46 LTO-2 Half-Height Tape Drive User’s Guide * Member nations of the IECEE incl ude Austria, Austra lia, Belgium, Canada, China (PR), Czech Republ ic, .
Chapter 5 S pecifications Regulatory Compliance LTO-2 Half-Height Tape Drive User’s Guide 47 EMC Compliance 5 Country Regulatory Organizat ion Compliant to: United States Federal Communications Comm.
Chapter 5 Specifications Disposal of Electrical and Electronic Equipment 48 LTO-2 Half-Height Tape Drive User’s Guide You should also consider th e following safety points : • Install the drive in an enclosure that limits the user’s access to live parts, gives adequate system stab ility and provides the necessary grounding for the drive.
LTO-2 Half-Height Tape Drive User’s Guide 49 Chapter 6 6 UNIX Settings This chapter describes how to confi gure various UNIX systems to recognize and obtain optimal perfor mance from the LTO-2 Half-Height Tape Drive.
Chapter 6 UNIX Setting s A Word About SCSI Controllers 50 LTO-2 Half-Height Tape Drive User’s Guide A W ord About SCSI Controllers 6 The LTO-2 Half-Height Tape Drive transfers data at 40Mbytes per second, with 2:1 compression of the data.
Chapter 6 UNIX Settings Configuring for the DEC /Compaq UNIX Environment LTO-2 Half-Height Tape Drive User’s Guide 51 Configuring Digit al UNIX V ersion 4.
Chapter 6 UNIX Setting s Configuring for the Sun Environment (Sol aris 2.4, 2.5, 2.6, 7, 8, and 9) 52 LTO-2 Half-Height Tape Drive User’s Guide To enable th e tape driver to turn on data compress ion when writing d ata to tape use the .
Chapter 6 UNIX Settings Configuring for the Sun Environment (Sol aris 2.4, 2.5, 2. 6, 7, 8, a nd 9) LTO-2 Half-Height Tape Drive User’s Guide 53 We recommend that the LTO-2 Half-Height Tape Drive not be attached to esp controllers. This controller is not fast enough to work with the LTO-2 Half-Height Tape Drive.
Chapter 6 UNIX Setting s Configurin g for the IBM AIX Enviro nment (AIX V ersion 4.1.x and later) 54 LTO-2 Half-Height Tape Drive User’s Guide • Uses Mode Sel ect Page 10h to enable/disable compression Once st.conf has been modified, the kerne l must be reconfigured by booting the system using the boot-r command.
Chapter 6 UNIX Settings Configuring for the IBM AIX Environment (AIX V e rsion 4.1.x and later) LTO-2 Half-Height Tape Drive User’s Guide 55 1 Enter SMIT at the Tape Drive menu by typing smit t ape 2 Select Add a tape Drive . 3 Select the type of tape drive you will be adding.
Chapter 6 UNIX Setting s Configuring for SCO Open Server 5.0.x 56 LTO-2 Half-Height Tape Drive User’s Guide 8 Exit SMIT . Configuring for SCO Open Server 5.0.x 6 Finding Existing SCSI Controllers and Devices 6 The files /usr/adm/h wcon fig and /var/ad m/message s list the devices found during boot up of Open Server.
Chapter 6 UNIX Settings Configuring for SCO Ope n Server 5.0.x LTO-2 Half-Height Tape Drive User’s Guide 57 This command produces output similar to: %tape type=S ha=0 id=6 lun=0 bus=0 ht=alad The information above shows that an Ad aptec SCSI controller is installed ( alad ) and a SCSI tape drive ( type=S ) is installed as target id 6.
Chapter 6 UNIX Setting s Configuring for Linux 58 LTO-2 Half-Height Tape Drive User’s Guide 13 When the process takes you back to the two Main Menu screens, press q . 14 When asked to create a new kernel, enter yes . 15 When asked if you want the new kernel to boot by default pr ess y .
Chapter 6 UNIX Settings Configuring fo r Li nux LTO-2 Half-Height Tape Drive User’s Guide 59 You may see output similar to: (scsi0)<Adaptec AHA-294XX Ultra2 SCSI host adapter> found at PCI 0/1.
Chapter 6 UNIX Setting s Configuring for SGI Irix 60 LTO-2 Half-Height Tape Drive User’s Guide Configuring for SGI Irix 6 Finding Current SCSI Controllers and T arget s 6 To properly attach SCSI devices to hosts it is necessary to ensure that each target device has a unique SCSI address.
Chapter 6 UNIX Settings Configuring for HP-UX 1 1.0 LTO-2 Half-Height Tape Drive User’s Guide 61 M TCAN_COMPRESS, 40, 5*60, 10*60, 10*60, 3*3600, 512, 256*512, tpsc_default_dens_count, tpsc_defalt_h.
Chapter 6 UNIX Setting s Configuring for HP-UX 1 1.0 62 LTO-2 Half-Height Tape Drive User’s Guide Where: • x is the data under H/WPath fro m the ioscan .
LTO-2 Half-Height Tape Drive User’s Guide 63 Chapter 7 7 T roubleshooting Guide This chapter contains best practice s for getting the most out of your LTO-2 Half-Height Tape Drive.
Chapter 7 T roublesh oo t in g Gui d e Installation Best Practices 64 LTO-2 Half-Height Tape Drive User’s Guide In addition, do not • Attach the tape drives to a non-LVD SCSI controller, as this will degrade the performance of the tape d rive and the performance of your backups.
Chapter 7 T roubleshootin g Guide T roubleshoo ting Suggestions LTO-2 Half-Height Tape Drive User’s Guide 65 En sur e th at the SCS I ca bl e is of h igh quality and conforms to Ultra 2 SCSI specifications.
Chapter 7 T roublesh oo t in g Gui d e T roublesho oti ng Suggestions 66 LTO-2 Half-Height Tape Drive User’s Guide •I f t h e Power LED is not illuminated, check the power connections to the tape drive Internal tape drive: 1 Power down the system and rese at the power connector on tape drive.
Chapter 7 T roubleshootin g Guide T roubleshoo ting Suggestions LTO-2 Half-Height Tape Drive User’s Guide 67 6 If these suggestions do not help, the tape drive may be bad and Technical Support should be contacted. Desktop tape drive: 1 Power down system.
Chapter 7 T roublesh oo t in g Gui d e T roublesho oti ng Suggestions 68 LTO-2 Half-Height Tape Drive User’s Guide You may see output similar to: (scsi0)<Adaptec AHA-294XX Ultra2 SCSI host adapte.
Chapter 7 T roubleshootin g Guide T roubleshoo ting Suggestions LTO-2 Half-Height Tape Drive User’s Guide 69 7 If all the LEDs are off, except po wer, a nd a tape cannot be inserted into the tape drive, examine the tape and the inside of the tape drive.
Chapter 7 T roublesh oo t in g Gui d e T roublesho oti ng Suggestions 70 LTO-2 Half-Height Tape Drive User’s Guide Y ou cannot eject the cartrid ge because the tape drive is in use. Wait until the operation is complete before ejecting the cartridge.
Chapter 7 T roubleshootin g Guide Emergency Reset and Emergency Cartridge Eje ct LTO-2 Half-Height Tape Drive User’s Guide 71 Emergency Reset and Emer gency Cartridge Eject 7 In the unlikely event t.
Chapter 7 T roublesh oo t in g Gui d e Problems During Backup/ Restore Operations 72 LTO-2 Half-Height Tape Drive User’s Guide 1 The Ta p e A l e r t message or backup log shows, “The operation has stopped because an error has occurred while reading or writing data which the drive cannot correct.
Chapter 7 T roubleshootin g Guide Problems During Backup/Resto re Operations LTO-2 Half-Height Tape Drive User’s Guide 73 7 If the backup fails, use the diag nostic software to perform a write/ read test of 4GB of data. The current data on the tape WILL B E OVERWRITTEN.
Chapter 7 T roublesh oo t in g Gui d e Problems During Backup/ Restore Operations 74 LTO-2 Half-Height Tape Drive User’s Guide c Restart the operation. Or “The tape drive has a hardware fault”: a T urn the tape drive off and then on again. b Restart the operation.
Chapter 7 T roubleshootin g Guide Problems During Backup/Resto re Operations LTO-2 Half-Height Tape Drive User’s Guide 75 This message means the tape drive does not recognize the cleaning tape as being of a valid type. Yo u may have purchased a cleaning tape that is not supported by the tape drive.
Chapter 7 T roublesh oo t in g Gui d e Problems During Backup/ Restore Operations 76 LTO-2 Half-Height Tape Drive User’s Guide The method of performing the backup s can also be a factor in “slow” backups.
LTO-2 Half-Height Tape Drive User’s Guide 77 Index A AIX 4.1 settings 54 B Backup/restore problems 71 Best practices 63 blink codes 21 C Cartridges care and maintenance 23 ejecting 71 loading 22 spe.
Index 78 LTO-2 Half-Height Tape Drive User’s Guide considerations 32 intelligen t 33 data compression 31 Data integrity 29 error-correction code 29 servo-tracking faults 31 DEC/Comp aq Unix setting .
Index LTO-2 Half-Height Tape Drive User’s Guide 79 L Layout of track 27 Linux setti ngs 58 Loading a cartridge 22 M Mean time between failure s 43 Method of recording 29 Mounting internal drive 11 O.
Index 80 LTO-2 Half-Height Tape Drive User’s Guide T Tape drive cleaning 24 registering 15 , 18 Tape drive not recognized by operating system or application 67 Tape drive troubleshooting 68 Tape wil.
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