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Troubleshooting Guide

Manually Removing a Cartridge

Figure 24.

LTO-1 and LTO-2 Drive Lead Screw (Tape Threaded on Take-up Reel)

Replace the drive cover to protect the gear and spooling assemblies. You do not need to
replace all the screws.

Turn the drive upside down.

Insert the 1.5-mm hex wrench through the hole in the bottom plate shown in Figure 25 on
page 81. Turn the hex wrench clockwise slowly and smoothly to rewind the tape into the car-
tridge. This may take some time.

CAUTION: If you turn the hex wrench quickly or unevenly, you may create a tape loop, which
could cause tape contamination.

Содержание LTO 1

Страница 1: ...i Online User s Guide LTO 1 LTO 2 Tape Drives C E R T A N C E ...

Страница 2: ... No part of this publi cation may be reproduced in any form without written permission from Certance LLC Certance provides this manual as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose Certance reserves the right to change without notification the specifications contained in thi...

Страница 3: ...product Power cord protection The power cord should be routed so that it is not likely to be walked on or pinched by items placed upon or against it paying particular attention to the cord at the wall receptacle and the point where the cord exits from the product To complete the disconnection of the electricity please remove the power electric cord and the SCSI cable from their connections in the ...

Страница 4: ...40 F 40 C Keep the unit away from direct sunlight strong magnetic fields excessive dust humidity and electronic electrical equipment which generate electrical noise Hold the power cord by the head when removing it from the AC outlet pulling the cord can damage the internal wires Use the unit on a firm level surface free from vibration and do not place anything on top of the unit ...

Страница 5: ...eceiver are on different branch cir cuits If necessary you should consult the dealer or an experienced radio television technician for additional sugges tions You may find the booklet How to Identify and Resolve Radio TV Interference Problems prepared by the Federal Communications Commission helpful This booklet Stock No 004 000 00345 4 is available from the U S Government Printing Office Washingt...

Страница 6: ...Installing an Internal LTO 1 Fibre Channel Drive 23 Installing a Desktop Drive 28 Chapter 3 Operation 31 Understanding the Front Panel Display 31 Blink Codes 32 Using LTO Cartridges 34 Drive Maintenance 36 Parking the Drive for Shipping 37 Chapter 4 Theory 38 Track Layout 38 Recording Method 39 Data Buffer 40 Data Integrity 40 Data Compression 42 Chapter 5 Specifications 44 Physical Specifications...

Страница 7: ...for the IBM AIX Environment AIX Version 4 1 x and later 59 Configuring for SCO Open Server 5 0 x 60 Configuring for Linux 62 Configuring for SGI Irix 63 Configuring for HP UX 11 0 64 Chapter 7 Interfaces 65 Parallel SCSI Interface 65 Fibre Channel Interface 66 Commands 66 Typical System Configurations 68 Chapter 8 Troubleshooting Guide 70 Installation Best Practices 70 Troubleshooting Suggestions ...

Страница 8: ...on the Back of the Internal LTO 1 FC Drive 27 Figure 14 Switches and Connectors on the Back of Desktop LTO 1 and LTO 2 Drives 28 Figure 15 SCSI Termination Examples for the Desktop LTO 1 and LTO 2 Tape Drives 29 Figure 16 Generic Front Panel Display 31 Figure 17 Ultrium Cartridge Showing Write protect Switch 35 Figure 18 Layout of tracks on LTO Ultrium tape 38 Figure 19 Internal LTO 1 and LTO 2 HV...

Страница 9: ...ive Blink Codes 32 Table 7 LTO 2 Tape Drive Blink Codes 33 Table 8 LTO 1 and LTO 2 Physical Specifications 44 Table 9 Voltage and Current 47 Table 10 Power Dissipation 47 Table 11 Drive Performance Specifications 48 Table 12 Environmental Requirements 49 Table 13 Reliability 50 Table 14 Environmental Tolerances 51 Table 15 Safety Compliance 52 Table 16 Electromagnetic Compatibility 53 Table 17 SCS...

Страница 10: ...apacity of 100 Gbytes 200 Gbytes assuming 2 1 data compression The LTO 2 drive has a native capacity of 200 Gbytes 400 Gbytes assuming 2 1 data compression The LTO 1 and LTO 2 drives have a 5 inch full height form factor with automatic electromechanical cartridge soft load Both drives are available as internal and desktop drives The internal LTO 1 and LTO 2 drives are designed to fit in a 5 inch f...

Страница 11: ...t loading of cartridges and stores pertinent information about the media 64 Mbyte data buffer for extra fast backups on high performance systems Tape Alert drive performance monitoring and reporting 3rd generation read channel for increased maturity and data integrity Patented head positioner for increased data integrity Shock dampened isolated chassis Managed airflow dynamics with isolated HTI ch...

Страница 12: ...cations It also provides quick start instructions for getting the drives up and running in the shortest possible time Chapter 3 Operation explains the use and operation of the drive and describes mainte nance procedures including drive parking Chapter 4 Theory describes the theory of operation behind the drives including the tech nology used in various drive components Chapter 5 Specifications con...

Страница 13: ... procedure to install internal LTO 1 and LTO 2 tape drives Print this page and check each step as you complete it If you need more information about a step turn to the section referenced in the step 1 Unpack the contents of your drive package and check for damaged items See Unpacking and Inspection on page 15 2 Review the drive s default settings and change them if necessary SCSI ID 6 Terminator P...

Страница 14: ...on page 22 1 Unpack the contents of your drive package and check for damaged items See Unpacking and Inspection on page 15 2 Review the drive s default settings and change them if necessary Loop ID 0000000 See Configuring the Internal Fibre Channel Drive on page 23 3 Turn off your computer remove its covers and power cable and select a mounting bay for the drive See Mounting the Internal FC Drive ...

Страница 15: ...he drive or damaging it during installation Internal drives contain some exposed components that are sensitive to static electricity To reduce the possibility of damage from static discharge the drives are shipped in a protective antistatic bag Do not remove the drive from the antistatic bag until you are ready to install it Before you remove the drive from the antistatic bag touch a metal or grou...

Страница 16: ...g the installation guidelines and cautions proceed to the appropriate section in this chapter for instructions on installing your LTO 1 or LTO 2 tape drive If you have an internal LTO 1 or LTO 2 tape drive go to Installing an Internal LTO 1 or LTO 2 Drive on page 16 If you have an internal LTO 1 Fibre Channel tape drive go to Installing an Internal LTO 1 Fibre Channel Drive on page 23 If you have ...

Страница 17: ...ing this ID use jumper pins 1 2 3 4 5 6 and 7 8 to change the SCSI ID of the LTO 1 or LTO 2 drive see Figure 3 on page 17 and Table 1 on page 18 or assign a unique SCSI ID to the other SCSI device Figure 3 Internal LTO 1 and LTO 2 Drive Jumper Settings Jumper Pins 1 2 3 4 5 6 7 8 Default Setting SCSI ID 6 NOTE The SCSI controller or host adapter generally uses ID 7 In some systems the boot drive u...

Страница 18: ...ed Open Open Open 2 Open Shunted Open Open 3 Shunted Shunted Open Open 4 Open Open Shunted Open 5 Shunted Open Shunted Open 6 default Open Shunted Shunted Open 8 Open Open Open Shunted 9 Shunted Open Open Shunted 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 Shunte...

Страница 19: ... 5 degrees of horizontal If you mount the drive horizontally the base of the drive must be within 15 degrees of horizon tal and the PCB side of the drive must face down Figure 4 Acceptable Mounting Orientations Mount the drive in a 5 25 inch full height drive bay and secure it using two M3 0 X 5 metric screws on each side of the drive Do not use screws longer than 5 mm or you may damage the drive ...

Страница 20: ...bus terminator or a SCSI device with termination enabled at the end of the SCSI chain Two examples of SCSI termination are shown in Figure 7 on page 21 The Internal LTO 1 and LTO 2 drives will provide terminator power if a jumper is placed on the termi nation power jumper pins see Terminator Power on page 18 CAUTION Install an HVD drive only in an HVD environment and an LVD drive only in an LVD en...

Страница 21: ...tor The pins on the LTO 1 drive connector are set on 2 millimeter centers The LTO 2 library interface uses an in line shrouded and keyed 9 pin connector Pin descriptions are detailed in Table 3 on page 22 Table 2 Serial Interface Connector Pin Assignments LTO 1 Pin Numbers Description 1 through 8 Reserved do not use 9 Lib RXD P input to drive 10 GND 11 Lib RXD N input to drive 12 GND 13 Lib TXD P ...

Страница 22: ...ial backup application software Registering Your Tape Drive After you install the internal tape drive be sure to register it Registering your drive ensures that you will receive the latest information about your drive as well as other product service and support information For your convenience you can register your drive either through our Web site or by fax If you have an Internet connection ple...

Страница 23: ...for Tape Libraries on page 26 5 Connecting a Power Cable on page 27 6 Registering Your Tape Drive on page 27 Configuring the Internal Fibre Channel Drive Before you install the tape drive in your computer you may need to configure the drive s hard assigned loop identifier Jumpers located on the back of the drive see Figure 8 on page 23 are used to configure the ID Figure 8 Connectors and Jumpers o...

Страница 24: ...M3 0 X 5 metric screws on each side of the drive Do not use screws longer than 5 mm or you may damage the drive Figure 10 on page 25 shows the locations of the mounting screw holes on the side and bottom of the drive respectively Table 4 Loop IDs and Corresponding Jumper Settings Loop ID Jumpers 13 14 11 12 9 10 7 8 5 6 3 4 1 2 0 default Open Open Open Open Open Open Open 1 Shunted Open Open Open ...

Страница 25: ...ve if one connection fails The internal LTO 1 FC drive is 100 M5 SN I compliant and uses LC style connectors Either 50 or 62 5µm multimode optical fiber cables can be used 1 Turn off all power to the drive and the computer 2 Attach the interface cable to either of the two LC optical interface connectors on the back of the drive labeled A and B in Figure 11 on page 26 3 In systems that support fail...

Страница 26: ...ns for the serial interface connector The pins on this connector are set on 2 millimeter centers The drive uses pin 1 to detect the presence of a tape library The serial interface cable must connect this pin to the adjacent pin 3 Figure 12 FC Serial Connector on the Back of the Internal LTO 1 FC Drive Table 5 Serial Interface Connector Pin Assignments Pin Numbers Description 1 Library detect cable...

Страница 27: ...his driver is not necessary with commercial backup application software Registering Your Tape Drive After you install the internal FC tape drive be sure to register it Registering your drive ensures that you will receive the latest information about your drive as well as other product service and sup port information For your convenience you can register your drive either through our Web site or b...

Страница 28: ...ue SCSI ID The desktop tape drive is shipped with a default SCSI ID of 6 Avoid setting drive ID to 7 If another SCSI device in the SCSI chain is already using this ID either use the push button switch on the back of the drive to change the drive s SCSI ID see Figure 14 on page 28 or assign a unique SCSI ID to the other SCSI device If you change the SCSI ID on the tape drive turn off the tape drive...

Страница 29: ...14 on page 28 Checking the SCSI Termination If the desktop LTO 1 or LTO 2 drive is the last or only device in a SCSI chain install a terminating plug on the unused SCSI connector See Figure 15 on page 29 for two SCSI termination examples You can purchase appropriate terminating plugs on the Internet at http shop certance com U S only Figure 15 SCSI Termination Examples for the Desktop LTO 1 and LT...

Страница 30: ...ommercial backup application software Registering Your Tape Drive After you install the desktop tape drive be sure to register it Registering your drive ensures that you will receive the latest information about your drive as well as other product service and support information For your convenience you can register your drive either through our Web site or by fax If you have an Internet connectio...

Страница 31: ...dges on page 34 Drive Maintenance on page 36 Parking the Drive for Shipping on page 37 Emergency Reset and Emergency Cartridge Eject on page 75 Manually Removing a Cartridge on page 76 Understanding the Front Panel Display The LTO 1 and LTO 2 drives have different front panels Figure 16 on page 31 shows a generalized view of the LTO 1 and LTO 2 front panel display Figure 16 Generic Front Panel Dis...

Страница 32: ...mber Error LED Orange Activity LED Green Cleaning Request ON Write protected 1 2 sec ON 1 2 sec OFF Prevent media removal mode active 1 2 sec ON 1 8 sec OFF Hardware or firmware error 1 8 sec ON 1 8 sec OFF Positioning loading unloading rewinding spacing or locating ON continuously Tape Active writing reading or verifying 1 2 sec ON 1 8 sec OFF SCSI active 1 4 sec ON 1 8 sec OFF Manual interventio...

Страница 33: ...ng loading unloading rewinding spacing or locating Slow Tape Active writing reading or verifying Slow Manual intervention required ON Power On Self Test POST failure ON Fast Cleaning cartridge present ON ON Cleaning cartridge at EOT Fast ON Servo initialization Slow Slow Power On Self Test POST in progress Slow Slow Slow Cleaning failure or media error Fast Fast Microcode download Fast Slow Fast M...

Страница 34: ... drive to seat the cartridge or Use a library or host command to finish loading the tape Unloading a Cartridge To unload an Ultrium cartridge from LTO 1 and LTO 2 drives either Use a library or host command to unload the tape or Push the load unload button on the front of the drive CAUTION Several seconds may elapse between the time you press the load unload button and the time the cartridge is ej...

Страница 35: ...o not expose cartridges to dirt dust or moisture Do not touch the tape media within a cartridge Do not use data cartridges outside the specified operating conditions 10o C to 45o C 10 to 80 relative humidity If a data cartridge has been exposed to temperature or humidity changes within the limits listed above allow the tape cartridge to acclimate to its surroundings for at least one hour before us...

Страница 36: ...ensions as the data cartridge and contains an LTO CM Cartridge Memory but is loaded with cleaning media instead of recording media Always keep the cleaning cartridge in its protective case when not in use To clean the drive insert a Certance approved cleaning cartridge During the cleaning process both the Status and Drive LEDs remain lit After the cleaning process is completed the cartridge may be...

Страница 37: ... and the parking process begins Dur ing the parking process the picker arm moves into the take up reel When the process is complete the Drive LED goes off indicating that the drive has been successfully parked After parking the drive you can turn off the drive and pack it for shipping When you turn the drive on again it automatically returns to normal operating mode If you need to unpark the drive...

Страница 38: ...s The topics covered in this chapter are Track Layout on page 38 Recording Method on page 39 Data Buffer on page 40 Data Integrity on page 40 Data Compression on page 42 Track Layout Figure 18 on page 38 shows the layout of data on an LTO tape Figure 18 Layout of tracks on LTO Ultrium tape ...

Страница 39: ... drive there are 512 data tracks on the LTO tape numbered 0 through 511 Data track 511 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 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 is a set of tracks that...

Страница 40: ...ow probability of encountering a hard error During the read process ECC correc tion 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 codeword 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 cal...

Страница 41: ...set C2 codeword the operation is performed by the ECC co processor hardware For two or more known C1 codeword pairs in error the matrix is computed by firmware and the correction is performed by hardware 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 ...

Страница 42: ...s 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 ...

Страница 43: ... written in its native form The intelligent data compression utilizes two compression schemes Scheme 1 is a LZ1 based compression scheme using a history buffer to achieve data compres sion 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 First the output ...

Страница 44: ...f the LTO 1 and LTO 2 drives Table 8 LTO 1 and LTO 2 Physical Specifications Specification Internal SCSI Drive without Bezel Internal Fibre Channel Drive without Bezel Internal SCSI Drive with Bezel Desktop SSCI Drive Height 3 25 inches 82 6 mm max 3 25 inches 82 6 mm max 3 32 inches 84 26 mm 6 8 inches1 172 7 mm Width 5 75 inches 146 05 0 25 5 75 inches 146 05 0 25 mm 5 82 inches 147 75 mm 7 61 i...

Страница 45: ...Specifications Physical Specifications 45 Figure 19 shows the dimensions of the internal LTO 1 and LTO 2 HVD LVD drives Figure 19 Internal LTO 1 and LTO 2 HVD LVD Drive Dimensions ...

Страница 46: ...Specifications Physical Specifications 46 Figure 20 shows the dimensions of the LTO 1 Fibre Channel drive Figure 20 Internal LTO 1 Fibre Channel Drive Dimensions ...

Страница 47: ... amps max RMS 4 0 amps max RMS N A Max operating current LTO 2 Continuous Ultra2 SCSI LVD Ultra SCSI HVD Peak 1 2 amps RMS 1 0 amps RMS 4 0 amps 1 sec max 4 0 amps max RMS 4 0 amps max RMS N A Standby current max LTO 1 Ultra2 SCSI LVD Ultra SCSI HVD Fibre Channel 0 5 amps RMS 0 5 amps RMS 2 0 amps RMS 2 5 amps RMS Standby current max LTO 2 Ultra2 SCSI LVD Ultra SCSI HVD Fibre Channel 0 5 amps RMS ...

Страница 48: ...ording density LTO 1 3 660 RLL encoded ONEs per mm LTO 2 3 930 RLL encoded ONEs per mm Flux density 3 660 flux transitions per mm Track density 3 tracks per mm Error recovery Read after write Reed Solomon ECC 2 levels Recording unrecoverable errors 1 in 1017 data bits Recording undetectable errors 1 in 1027 data bits Tape drive type LTO Ultrium Head configuration 16 thin film write heads 16 MR rea...

Страница 49: ... 5 9 meters per second Table 12 Environmental Requirements Specification Operational Non operational Temperature 50 to 104 F 10 to 40 C 40 to 149 F 40 to 66 C Airflow requirements Internal 9 CFM front to back N A Thermal gradient 11 C per hour 10 40 C 11 C per hour 10 40 C Relative humidity 20 to 80 non condensing 10 to 95 non condensing Humidity gradient 10 per hour 10 per hour Altitude max 10 00...

Страница 50: ...ly is 50 000 hours with the unit operated at full load and 25 C Mean Time to Replace 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 replacement drive The MTTR for LTO products is less than 0 5 hour 30 minutes Table 13 Reliability Specification Description Non recoverable error rate 1 in 1017 bits Error rec...

Страница 51: ... 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 any where on or in the cartridge The stray magnetic field at any point on the tape shall not exceed 4000 A m Cartridge Memory Each Ultrium 1 cartridge has 4 Kbytes of nonvolatile memory 3 Kbytes are used to store tape directory and hardware specific information 1 Kbyte...

Страница 52: ...o Argentino de Racionaliza tion de Materiales IRAM IRAM safety certification China China Chinese Commodity Import Bureau CCIB CCIB safety certification EU member nations Comité Europèen de Normalisa tion Electrotechnique the European Committee for Electro technical Standardization CENELEC IEC 950 EN60950 including amendments A1 A2 A3 A4 A11 Member nations of IECEE IECEE International Electrotechni...

Страница 53: ...tus EU member nations CE Emissions per CISPR 22 1997 EN55022 1998 and Immunity per CISPR 24 1997 EN55024 1998 Australia and New Zealand Standards Australia Spectrum Management C Tick AS NZS 3548 1995 same as CISPR 22 Japan Voluntary Control Council for Interface VCCI This is a voluntary compliance standard the drives meet it via CE compliance South Korea Radio Research Lab of Korea RRL RRL EMC cer...

Страница 54: ... an enclosure that limits the user s access to live parts gives adequate system stability and provides the 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 applicable ...

Страница 55: ...ansfers date at 68 Mbytes per second with 2 1 compression of the data Both drives support the SCSI Ultra2 specification and can transfer data at burst rates of up to 80 Mbytes per second To achieve maximum drive performance it is important to choose high performance disk drives for your system as well as high performance SCSI controllers The table below lists the types of SCSI controllers that Cer...

Страница 56: ...fffff 16MB 1 ReadyTimeSeconds 180 seconds CMD_PreventAllow supported CMD_ExtReserveRelease supported BlockSize 0 PwrMgmt_capable 0 DENSITY DensityNumber 0 2 3 4 5 6 7 DensityCode default CompressionCode 0x0 Buffered 0x1 DENSITY DensityNumber 1 DensityCode default CompressionCode 0x1 Buffered 0x1 Save the file Then run the following command ddr_config c ddr_config takes the default input file ddr d...

Страница 57: ...in use and the SCSI target devices installed For example the command dmesg egrep target sort uniq can find all SCSI controllers and SCSI targets The output may look similar to sd32 at ithps0 target2 lun0 sd34 at ithps0 target4 lun0 st21 at ithps1 target0 lun0 st22 at ithps1 target1 lun0 In this case the LTO 1 and LTO 2 drives can be set for SCSI ID address 2 through 6 and attached to controller it...

Страница 58: ... longer than normal Buffered writes supported Variable record size not limited to 64k Uses Mode Select Page 10h to enable disable compression Once st conf has been modified the kernel must be reconfigured by booting the system using the boot r command If you are replacing a tape device with the same SCSI ID you may want to delete the st devices from the dev rmt directory recommended When using com...

Страница 59: ...ng procedure 1 Enter SMIT at the Tape Drive menu by typing smit tape 2 Select Add a tape Drive 3 Select the type of tape drive you will be adding Use the Other SCSI Tape Drive option 4 Select the Parent SCSI Adapter from the available list The Add a tape Drive Entry Fields appears 5 Some of the standard options can be changed to maximize drive performance and functionality Set the Connection Addre...

Страница 60: ...numeric based menu appears If you are replacing an existing SCSI tape drive use option 3 to remove the existing tape drive from the configuration files Then follow the instructions below to add an LTO 1 or LTO 2 drive 1 From the menu choose Configure a SCSI or Enhanced IDE tape drive 2 From the next menu choose Install a SCSI tape drive 3 When prompted enter the SCSI adapter string To view the lis...

Страница 61: ...l to boot by default press y 16 When asked if you want the kernel environment to be rebuilt press y 17 Reboot the system NOTES Not all of the SCO tape commands will operate or be applicable to the Seagate LTO 1 and LTO 2 drives drive execute the command man tape for the specifics on how the tape command works The following tape commands are not available for use with the LTO 1 and LTO 2 drives get...

Страница 62: ...lutely sure that the control ler is not addressed for ID 7 The widely available distributions of Linux automatically install the proper SCSI and tape device driv ers If you executed the cat command above you have ensured that the SCSI driver for your con troller is installed To view currently loaded modules execute the lsmod command Ensure that one of the entries is st To view the st device number...

Страница 63: ...to be modified by a text editor The file can be found in var sysgen master d Open the file and use the text editor to add the following at the end of the tape device entries For IRIX 6 4 6 5 DATTAPE TPDAT 8 7 CERTANCE ULTRIUM 2 0 0 0 MTCAN_BSF MTCAN_BSR MTCAN_APPEND MTCAN_SETMK MTCAN_PREV MTCAN_SYNC MTCAN_SPEOD MTCAN_CHKRDY MTCAN_VAR MTCAN_SETSZ MTCAN_SILI MTCAN_SEEK M TCAN_COMPRESS 40 5 60 10 60 ...

Страница 64: ...Description Tape 7 8 12 6 0 stape Claimed Device SEAGATE ULTRIUM From the root directory and as superuser issue the command sbin insf C tape Then issue the command sbin mksf d stape H x x x x I y c 1 n u dev rmt zcnb Where x is the data under H WPath from the ioscan y is the data under I from the ioscan z is the tape device identifier number You can execute an ls command for the dev rmt directory ...

Страница 65: ...pport some SCSI 3 command extensions The Parallel SCSI interface for the LTO 1 and LTO 2 drives conforms with the ANSI X3 131 1994 standard Table 18 on page 65 lists the message codes for this interface Table 18 SCSI Message Codes Code Description Direction1 00h Command Complete In 02h Save Data Pointer In 04h Disconnect In 05h Initiator Detected Error Out 06h Abort Out 07h Message Reject In Out 0...

Страница 66: ...cables Logically these are Fibre Channel NL_Ports Either or both may be used They should be attached to a hub to another NL_Port on a host or to an FL_Port on a fabric Commands General Features Fixed and variable block transfer lengths Space blocks filemarks and EOD Supports third party reservation Log Sense and Log Select for managing soft error reporting Mode Sense Select page to control and rep...

Страница 67: ...lease Unit 6 byte version 19h Erase 1Ah Mode Sense 6 byte version 1Bh Load Unload 1Ch Receive Diagnostic Results 1Dh Send Diagnostic 1Eh Prevent Allow Medium Removal 2Bh Locate 34h Read Position 3Bh Write Data Buffer 3Ch Read Data Buffer 44h Report Density Support 4Ch Log Select 4Dh Log Sense 55h Mode Select 10 byte version 56h Reserve Unit 10 byte version 57h Release Unit 10 byte version 5Ah Mode...

Страница 68: ...le Due to the speed of the LTO 1 and LTO 2 drives it is recommended that a maximum of one LTO 1 or LTO 2 drive be connected to one host SCSI adapter Table 20 Tape Alert Flags Parameter Description Type 3 Hard Error Warning 4 Media Critical 5 Read Failure Critical 6 Write Failure Critical 9 Write Protect Critical 11 Cleaning Media Information 14 Irrecoverable Snapped Tape Critical 15 Memory in Cart...

Страница 69: ...LTO 1 drive supports 128 arbitrated loop physical addresses Up to 126 hosts and targets and one switch can be attached to a single loop Due to the speed of the Fibre Channel LTO 1 drive it is recommended that a maximum of two Fibre Channel LTO 1 drives be connected on one arbitrated loop ...

Страница 70: ... addition do not Attach the tape drives to a non LVD SCSI controller as this will degrade the performance of the tape drive and the performance of your backups Attach non LVD SCSI devices on the same bus cable as this will degrade the performance of the tape drive and your backups Connect the tape drive to a disk RAID controller as this is not supported If you are installing an adapter we recommen...

Страница 71: ... HBA reduces the chances of installation difficulties arising from duplicate SCSI IDs on the same bus channel Ensure that the SCSI cable is of high quality and conforms to Ultra 2 SCSI specifications A lesser quality cable or a cable that does not conform to the Ultra 2 SCSI specification may cause intermit tent write read errors SCSI timeouts and corrupted data Troubleshooting Suggestions Compute...

Страница 72: ... known working device such as a CD ROM If the Power LED is illuminated the problem was with the power connector Otherwise the tape drive may be bad and Technical Support should be contacted Desktop tape drive 1 Turn power off to the tape drive and reseat the AC power cord 2 Power on the tape drive and check the Power LED 3 If the Power LED is not illuminated use an AC power cord from a known worki...

Страница 73: ...native Windows operating system backup utility you must install the proper tape driver for the tape drive Red Hat Linux The tape driver for Red Hat Linux is called st This driver is automatically installed when Red Hat Linux is installed on your system When Red Hat Linux boots the operating system recognizes the tape drive and installs the tape drive as a device in the dev directory If this is the...

Страница 74: ...sure tape labels are only on proper tape surfaces and that labels are flat and not curled Ensure that tape drive opening is free of debris and tape labels Ensure that tape pin and tape are fully within the cartridge Attempt to insert a second tape if available 8 If a tape still cannot be inserted into the tape drive If you are inserting a cleaning cartridge be sure the cleaning tape is valid The t...

Страница 75: ...tape to eject 7 If the Hardware or Firmware Error or Manual Intervention LED is flashing after the tape drive is rebooted the tape may be stuck Contact Technical Support Emergency Reset and Emergency Cartridge Eject In the unlikely event the LTO 1 or LTO 2 drive stops communicating with the host computer use the following procedure to reset the drive and eject a cartridge if necessary To perform a...

Страница 76: ... Remove the drive from its operating environment 5 Place the drive on a workbench with proper ESD grounding attach a wrist strap to the bench and the other end to your wrist 6 Remove the top cover of the drive by removing eight screws You will need a 1 5 mm hex driver 7 Inspect the drive to determine which procedure you should follow If the cartridge is loaded and the leader pin is still in the ca...

Страница 77: ...ewdriver 1 Verify that the leader pin is still inside the cartridge as shown in Figure 21 on page 77 If the leader pin has been pulled out of the cartridge and is still in the tape path follow the steps in Cartridge is Loaded and Seated with Tape Threaded on page 79 2 Use a flat blade screwdriver to turn the worm gear counter clockwise to the left Figure 22 on page 78 shows the location of the wor...

Страница 78: ...ly 17 mm 0 66 Then carefully pull the cartridge out by hand 4 After you have removed the cartridge put the top cover back on the drive then replace and tighten the screws 5 Return the drive to Certance If you have any questions about this procedure contact Technical Support CAUTION Do NOT use the drive after you have removed a cartridge The drive must be returned to Certance for servicing ...

Страница 79: ... 1 and LTO 2 Drive Key Components 1 Be sure the head assembly is in the lowered position by turning the lead screw see Figure 24 on page 80 clockwise with the flat blade screwdriver This is necessary to allow the load arm to clear the head assembly when it is moved back toward the cartridge NOTE Do not touch any part of the drive mechanism except for the components specified in the instructions Be...

Страница 80: ...You do not need to replace all the screws 3 Turn the drive upside down 4 Insert the 1 5 mm hex wrench through the hole in the bottom plate shown in Figure 25 on page 81 Turn the hex wrench clockwise slowly and smoothly to rewind the tape into the car tridge This may take some time CAUTION If you turn the hex wrench quickly or unevenly you may create a tape loop which could cause tape contamination...

Страница 81: ...with the slot on the drive chassis see Figure 23 on page 79 7 Set the drive on its left side Rotate the load arm until the tape grabber clears the hub 8 Take up the slack tape again using the 1 5 mm hex wrench as described in step 4 9 Carefully push the grabber in toward the cartridge as shown in Figure 26 on page 82 CAUTION Be especially careful not to touch the tape head assembly The MR elements...

Страница 82: ...e car tridge until it seats in place you should hear a click 11 Using a flat blade screwdriver pivot the white lower track toward the drive bezel to disen gage the leader pin 12 After the grabber has released the leader pin pull the loader arm out of the way 13 Use a flat blade screwdriver to turn the worm gear counter clockwise to the left Figure 27 on page 83 shows the location of the worm gear ...

Страница 83: ...5 After you have removed the cartridge put the top cover back on the drive then replace and tighten the screws 16 Return the drive to Certance If you have any questions about this procedure contact Technical Support CAUTION Do NOT use the drive after you have removed a cartridge The drive must be returned to Certance for servicing NOTE Any tape cartridge removed using this procedure should be rete...

Страница 84: ... backup fails try to isolate the tape media vs tape drive Use diagnostic software to per form a write read test of 4GB of data The current data on the tape WILL BE OVERWRITTEN AND ALL PREVIOUSLY WRITTEN DATA ON THE TAPE WILL BE DESTROYED Use a second tape for the diagnostic test If the diagnostic test passes on the second tape use the tape for the backup process and remove the first tape from the ...

Страница 85: ...essful The first tape cannot be used for further backups If you insert a second tape for a backup and other tape alert messages appear in the backup software again the tape drive may be bad 4 If you start a backup and the software displays a message on the console a message similar to Overwrite protection is set to ______ Click OK to overwrite the media or insert new media that can be overwritten ...

Страница 86: ... expired but the tape is being ejected by the tape drive without performing the cleaning you may see the message 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 This message means the tape drive does not recognize the cleaning tape as being of a...

Страница 87: ...ape drive as the only device on the SCSI cable to achieve the best possible backup performance The method of performing the backups can also be a factor in slow backups 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 1 Perform write read test with diagnostic software This ensures a test of the connection bet...

Страница 88: ...ination 29 connecting a power cable 30 connecting a SCSI cable 29 installation instructions 28 installing the LTO driver 30 quick start 15 SCSI ID 28 Drive maintenance cleaning a tape drive 36 oarking a tape drive 37 Drive performance specifications Specifications drive performance 48 E Ejecting a cartridge 75 Electromagnetic compatibility 53 Emergency cartridge eject 75 Emergency reset 75 Environ...

Страница 89: ... drive 24 P Parallel SCSI interface 65 parallel SCSI interface 68 Parking a tape drive 37 Physical specifications 44 Power cable connection desktop drives 30 internal drives 22 internal Fibre Channel LTO 1 drive 27 Power specifications 47 Q Quick start desktop drives 15 external drives 15 Fibre Channel drive 14 internal drives 13 14 R Recording method 39 Registering tape drive 22 27 30 Registering...

Страница 90: ...ot recognized by operating system or application 73 tape drives and cartridges 74 tape will not eject from drive 74 tapeAlert messages 85 Typical system configurations 68 Fibre Channel interface 69 parallel SCSI interface 68 U Unix settings DEC Compaq Unix 56 SCO Open Server 5 0 x 60 Sun Solaris 2 4 2 5 2 6 7 8 9 57 Unloading a cartridge 34 Unpacking 15 W Write protecting a cartridge 35 85 ...

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