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Chapter 6 Troubleshooting Guide
Understanding LED Sequences

LTO-4 (Model B) Half-Height Tape Drive User’s Guide

Ready is OFF,

others are ON

Firmware is being

reprogrammed.

None. Do not reset or power cycle the drive.

Clean FLASHES

The drive requires cleaning.

Load the Ultrium cleaning cartridge, see

Cleaning the Tape Drive

on page 33.

If the

Clean LED

is still flashing when you load

a new or known good data cartridge after

cleaning, call for service.

Ready FLASHES

and Clean is ON

Cleaning is in progress.

None. The cleaning cartridge will eject on

completion.
The cleaning cycle can take up to 5 minutes to

complete.

Tape FLASHES

The drive believes the current

tape or the tape just ejected is

faulty.

Unload the tape cartridge. Make sure that you

are using the correct format cartridge; an

Ultrium data cartridge or Ultrium Universal

Cleaning Cartridge.
Reload the cartridge. If the

Tape LED

still

flashes or starts flashing during the next

backup, load a new or known good cartridge.
If the

Tape LED

is now off, discard the 'suspect'

tape cartridge. If it is still on, call for service.

The tape is

ejected

immediately and

Tape FLASHES, or

Drive FLASHES on

unloading tape.

The tape cartridge memory

(CM) may be faulty.

Write protect the cartridge by sliding the

switch on the tape cartridge, see

Cleaning the

Tape Drive

on page 33. The tape can be loaded

and the data read. Once the data is recovered,

the cartridge must be discarded.

LED Sequence

(Half-Height)

Cause

Action Required

Содержание LTO-4 (Model B)

Страница 1: ...6 66846 01 Rev A User s Guide User s Guide User s Guide User s Guide User s Guide User s Guide LTO 4 Model B Half Height Tape Drive LTO 4 Model B...

Страница 2: ...oration may revise this publication from time to time without notice COPYRIGHT STATEMENT Copyright 2010 by Quantum Corporation All rights reserved Your right to copy this manual is limited by copyrigh...

Страница 3: ...rive 6 Handling Precautions and Installation Guidelines 6 Preinstallation Requirements 7 Unpacking and Inspecting the Drive 8 Installing the Internal LTO 4 Model B Half Height Tape Drive 8 Configuring...

Страница 4: ...sing LTO Tape Cartridges 30 Loading a Tape Cartridge 30 Unloading a Tape Cartridge 30 Write Protecting a Tape Cartridge 31 Tape Cartridge Care and Maintenance 32 Cleaning the Tape Drive 33 Performing...

Страница 5: ...I Host Bus Adapter 54 HBA Preinstallation Checks 54 Troubleshooting Suggestions 54 Computer Does Not Start 54 Computer Hardware Does Not Recognize the Tape Drive 55 Computer Software Does Not Recogniz...

Страница 6: ...Contents vi LTO 4 Model B Half Height Tape Drive User s Guide Index 81...

Страница 7: ...igure 7 Internal SAS Drive Interface and DC Power Connectors 14 Figure 8 Tabletop Parallel SCSI ID Selector Switch 18 Figure 9 Tabletop SCSI Interface and Power Cable Connectors 19 Figure 10 Tabletop...

Страница 8: ...Figures viii LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 9: ...isplay LED Blink Codes 28 Table 3 Physical Specifications 44 Table 4 Voltage and Current Specifications 45 Table 5 Power Dissipation 46 Table 6 Drive Performance Specifications 47 Table 7 Environmenta...

Страница 10: ...Tables x LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 11: ...on Note The LTO 4 Model B tape drive can ONLY be used with the LTO 4 Model B drivers and firmware To obtain the correct driver and firmware visit http www quantum com ServiceandSupport Index aspx Purp...

Страница 12: ...edures you can follow if you encounter a problem with your drive Appendix A Installation Checklists provides abbreviated quick start checklists for users who are already familiar with the installation...

Страница 13: ...SCSI Storage Interfaces Standards 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 Interf...

Страница 14: ...2006 Serial Attached SCSI 2 SAS 2 in development INCITS Technical Committee T11 Device Level Interfaces Standards Fibre Channel Arbitrated Loop FC AL 2 Amendment 1 INCITS 332 1999 AM1 2003Fibre Chann...

Страница 15: ...wnloads product updates and more in one convenient location Benefit today at http www quantum com ServiceandSupport Index aspx eSupport Submit online service requests update contact information add at...

Страница 16: ...r Product Warranty For more information on the Quantum Worldwide End User Standard Limited Product Warranty http www quantum com pdf QuantumWarranty pdf United States 800 284 5101 toll free 949 725 21...

Страница 17: ...ies 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 4 Model B Half Height Tape Drive uses Ul...

Страница 18: ...ee figure 1 is a 5 inch drive that you can install inside the drive bay of a Computer workstation or server system Quantum rackmount drive enclosure Tabletop The tabletop model is a 5 inch drive that...

Страница 19: ...ata compression Analyzes compression factors before recording to maximize performance and capacity Interface Serial attached SCSI SAS Parallel SCSI Speed Formatter ASIC Custom designed for fast effici...

Страница 20: ...Chapter 1 Introduction Features 4 LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 21: ...the Drive on page 8 Detailed procedures for Installing the Internal LTO 4 Model B Half Height Tape Drive on page 8 Installing the Tabletop LTO 4 Model B Half Height Tape Drive on page 16 Installing th...

Страница 22: ...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...

Страница 23: ...drive 26 pin SFF 8088 mini SAS style interface cable for a tabletop drive Backup application software that supports the tape drive For a list of the backup software applications that have been tested...

Страница 24: ...ely of any damage 2 Place the shipping container on a flat clean stable surface and carefully remove the contents 3 Visually inspect the LTO 4 Model B Half Height Tape Drive and notify your Quantum re...

Страница 25: ...enabled 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 serial...

Страница 26: ...Tape Drive to these SCSI IDs Figure 2 Internal Parallel SCSI ID Configuration Jumper Pins Configuring the Internal Parallel SCSI Terminator Power By default terminator power is enabled on the internal...

Страница 27: ...allel SCSI LTO 4 Model B 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 Figure 3 Internal Parallel S...

Страница 28: ...uired 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...

Страница 29: ...3 mm to secure the internal LTO 4 Model B Half Height Tape Drive After mounting the internal LTO 4 Model B Half Height Tape Drive proceed to Connecting the Internal Drive Interface and DC Power Cable...

Страница 30: ...al SAS Drive Interface and DC Power Connectors 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 fr...

Страница 31: ...internal SAS interface cable to the 29 pin SFF 8482 SAS connector on the back of the drive 3 If you are installing the internal LTO 4 Model B Half Height Tape Drive in a tape library system connect t...

Страница 32: ...iewed Handling Precautions and Installation Guidelines on page 6 To install the tabletop LTO 4 Model B Half Height Tape Drive complete the following procedures in the order presented 1 Depending on th...

Страница 33: ...mpatible with your system SCSI bus skip the following subsection and proceed to Connecting the Tabletop Drive Interface and AC Power Cables on page 18 already assigned to another device change the con...

Страница 34: ...necting the Tabletop Drive Interface and AC Power Cables in the following subsection Connecting the Tabletop Drive Interface and AC Power Cables As shown in figure 9 and figure 10 the rear panels of t...

Страница 35: ...talling the Tabletop LTO 4 Model B Half Height Tape Drive LTO 4 Model B Half Height Tape Drive User s Guide 19 Figure 9 Tabletop SCSI Interface and Power Cable Connectors 68 pin parallel SCSI connecto...

Страница 36: ...quired 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...

Страница 37: ...ferential Ultra320 SCSI 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...

Страница 38: ...operating procedures in chapter 3 to verify that the tabletop LTO 4 Model B Half Height Tape Drive comes on and completes the Power On Self Test POST functions As required proceed to either Installin...

Страница 39: ...2003 Windows XP or Windows Vista operating system install the appropriate version of the LTO driver software See the Downloads page for LTO 4 Model B drivers under Standalone Tape Drives on the Quant...

Страница 40: ...Chapter 2 Installation Procedures Registering the LTO 4 Model B Half Height Tape Drive 24 LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 41: ...ridges on page 30 Cleaning the Tape Drive on page 33 Performing an Emergency Cartridge Eject on page 34 Understanding the Front Panel Display As shown in figure 12 the LTO 4 Model B Half Height Tape D...

Страница 42: ...On Cleaning cartridge being used The Ready LED flashes Flashing Cleaning needed The LED continues to flash if the drive is power cycled and will only go out after a supported cleaning tape has been u...

Страница 43: ...successful tape load will turn the LED off but the LED will start flashing again if the same operation is performed and the hardware fault is still present Ready Fourth LED Green indicates power and a...

Страница 44: ...are upgrade Return it to the factory for repair or reprogramming If power is present and all LEDs remain off try performing an interface operations SCSI or ADI If the drive does not respond perform an...

Страница 45: ...cycle can take up to 3 minutes Tape Error FLASHING Other LEDs may be flashing The drive believes the current tape or the tape just ejected is faulty Unload the tape cartridge Make sure that it is a va...

Страница 46: ...a library or host command to unload the tape 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 cart...

Страница 47: ...as shown in figure 13 Figure 13 Ultrium Tape Cartridge Write Protect Switch Sliding the write protect switch toward the Enables data to be center of the cartridge the Locked position read from the car...

Страница 48: ...lectromagnetic 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 moi...

Страница 49: ...To clean the LTO 4 Model B Half Height Tape Drive 1 Load an Ultrium Universal Cleaning cartridge into the tape drive 2 The drive will carry out its cleaning cycle and eject the cartridge on completio...

Страница 50: ...ing procedure eject a cartridge if necessary Caution When you perform an emergency cartridge eject any data in the drive or host buffers will not be written to the tape and the tape record may not be...

Страница 51: ...Method on page 37 Data Buffer on page 37 Data Integrity on page 37 Data Compression on page 39 Track Layout With the LTO 4 Model B Half Height Tape Drive there are 896 data tracks on the LTO tape num...

Страница 52: ...are recorded in a serpentine fashion starting in data band 0 The tape contains 56 track groups 28 written in the forward direction and 28 written in the reverse direction Even numbered wraps are recor...

Страница 53: ...e 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 the SCSI Data Integri...

Страница 54: ...emory 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 st...

Страница 55: ...operation will not continue until the correct servo tracking is re established Data Compression Typical data streams of text graphics software code or other forms of data contain repeated information...

Страница 56: ...be transferred in the same time interval Data Compression Considerations In an effective data compression method several factors are important The amount of compression which is measured by the compr...

Страница 57: ...he size of the record is larger after a compression attempt than the native uncompressed size then the record is written in its native form The intelligent data compression utilizes two compression sc...

Страница 58: ...ession 42 LTO 4 Model B Half Height Tape Drive User s Guide The LTO 4 Model B Half Height Tape Drive uses a derivative of ALDC 2 lossless data compression that includes additional control codes for in...

Страница 59: ...er are Physical Specifications Power Specifications on page 45 Drive Performance Specifications on page 47 Environmental Requirements on page 48 Injected Noise Specifications on page 49 Reliability Sp...

Страница 60: ...e Without Bezel With Bezel Height 1 63 inches 41 65 mm 1 70 inches 42 87 mm 2 60 inches 66 2 mm Width 5 75 inches 146 05 5 87 inches 149 30 mm 8 35 inches 212 13 mm Length 8 10 inches 205 98 mm Max to...

Страница 61: ...uilt in 90 260 VAC 47 63 Hz automatic switching power supply Maximum voltage and power specifications for the internal LTO 4 Model B Half Height Tape Drive are listed in table 4 and table 5 Specificat...

Страница 62: ...s rolling average SCSI 1 6 amps typical 3 7 amps max 1 ms rolling average SAS 3 1 amps typical 3 2 amps max 1 ms rolling average Standby current max 0 20 amps 1 88 amps Ripple peak to peak 100 mV 100...

Страница 63: ...e rewind time 820 m tape 88 seconds Maximum rewind time 820 m tape 171 seconds Capacity LTO Ultrium 4 820 m 800 Gbytes native Cartridge unload time 22 seconds Half Height drive Error recovery Read aft...

Страница 64: ...ng unrecoverable errors Less than 1 in 1017 data bits Synchronous transfer rate burst SCSI 320 Mbytes per sec max shared bandwidth SAS 300 Mbytes per sec max dedicated bandwidth Tape drive type LTO Ul...

Страница 65: ...egrity Table 8 lists the reliability specifications Airflow requirements Internal 5 CFM front to back Altitude Maximum 13 000 feet MSL at 25 C 50 000 feet power off Humidity gradient 30 per hour 30 pe...

Страница 66: ...does not represent any particular drive but is derived from a large database of test samples Actual rates may vary from unit to unit Mean Time to Replace The mean time to replace MTTR is the average...

Страница 67: ...sic environmental tolerances for LTO Ultrium cartridges Table 9 Environmental Tolerances If during storage and or transportation a cartridge has been exposed to conditions outside the specified values...

Страница 68: ...c information 1 Kbyte is available for application and OEM use Each Ultrium 4 cartridge has 8 Kbytes of nonvolatile memory 4 Kbytes are used to store tape directory and hardware specific information 1...

Страница 69: ...oubleshooting information you can use to identify and resolve tape drive problems Topics covered in this chapter are Installation Best Practices Troubleshooting Suggestions on page 54 Understanding LE...

Страница 70: ...c 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 othe...

Страница 71: ...ized 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 0 0...

Страница 72: ...g 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...

Страница 73: ...RIUM 4 Rev 1897 Type Sequential Access ANSI SCSI revision 04 You can also use a text editor to view the messages in the file var log and look for tape drive entries Sometimes a system can have multipl...

Страница 74: ...troller activity during system startup IF the tape drive is to an Ultra320 SCSI controller THEN attached proceed to step 2 of this procedure to determine whether the tape drive shares the SCSI bus wit...

Страница 75: ...d 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 dr...

Страница 76: ...or conditions can cause more than one TapeAlert message The following subsections provide troubleshooting guidelines for dealing with the most common TapeAlert error conditions acceptable but backups...

Страница 77: ...d the data tape and retry the backup operation 5 If the problem persists use StorageCare Sage xTalk to perform a write read test with 4 Gbytes of data This TapeAlert message Signifies The operation ha...

Страница 78: ...Write Protected TapeAlert Messages Write protected TapeAlert messages can appear in response to Actual write protected tape cartridges Defective tape cartridges IF the diagnostic test THEN completes n...

Страница 79: ...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 cartrid...

Страница 80: ...Restart the system For the tabletop LTO 4 Model B 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 Tape Cleaning TapeAlert...

Страница 81: ...e 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 cle...

Страница 82: ...4 Model B Half Height Tape Drive front panel display has four LED indicators that reflect the operating condition of the drive The LEDs are either on steady or blinking at different rates in various c...

Страница 83: ...you can use the power cord from your monitor or another device to check that the connection is working If the power supply is present and all LEDs remain off power cycle or reset the drive If it still...

Страница 84: ...drive believes the current tape or the tape just ejected is faulty Unload the tape cartridge Make sure that you are using the correct format cartridge an Ultrium data cartridge or Ultrium Universal Cl...

Страница 85: ...ive If the Drive LED remains on call for service Drive Tape and Ready FLASH There is a firmware download problem Insert a cartridge to clear the LED sequence If the condition persists call for service...

Страница 86: ...Chapter 6 Troubleshooting Guide Understanding LED Sequences 70 LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 87: ...ht Tape Drive Quick Start Use the following quick start procedure to install the internal LTO 4 Model B Half Height Tape Drive Print this page and check each step as you complete it If you need more i...

Страница 88: ...drive in a tape library system See Connecting the Internal Drive Interface and DC Power Cables on page 13 q 5 Connect a DC power cable to the drive See Connecting the Internal Drive Interface and DC P...

Страница 89: ...ive Quick Start LTO 4 Model B Half Height Tape Drive User s Guide 73 q 4 Turn on the computer Turn on the tabletop tape drive Verify that the tabletop tape drive is operating properly q 5 Register you...

Страница 90: ...Appendix A Installation Checklists Tabletop LTO 4 Model B Half Height Tape Drive Quick Start 74 LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 91: ...the recycling of electrical and electronic equipment The separate collection and recycling of your waste equipment at the time of disposal helps conserve natural resources and ensures that the equipm...

Страница 92: ...76 LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 93: ...ibility EMC Compliances on page 78 Safety Compliances The LTO 4 Model B Half Height Tape Drives are safety compliant with the following regulatory codes in the countries indicated Country Regulatory O...

Страница 94: ...ountry 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 C...

Страница 95: ...e necessary grounding for the drive 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 a...

Страница 96: ...Appendix C Regulatory Compliances Electromagnetic Compatibility EMC Compliances 80 LTO 4 Model B Half Height Tape Drive User s Guide...

Страница 97: ...tion 3 intelligent 41 data integrity 37 error correction code 38 servo tracking faults 39 data transfer rate description 3 drive performance specifications 47 E ejecting a cartridge 30 environmental r...

Страница 98: ...internal drives 9 parallel tabletop drives 17 servo tracking faults 39 slow backups 57 SmartVeirfy description 3 specifications drive performance 47 environmental requirements 48 injected noise 49 LTO...

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