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Viper 200 LTO Product Manual

Installing an internal Viper drive ................................................................................ 17

Guidelines and cautions ..................................................................................... 17

1. Configuring an internal Viper drive ................................................................. 17

2. Mounting an internal Viper drive ..................................................................... 18

3. Connecting the SCSI interface cable.............................................................. 19

Installing an external Viper drive ............................................................................... 21

1. Configuring an external drive.......................................................................... 21

2. Connecting the SCSI interface cable.............................................................. 21

3. Connecting the power cord............................................................................. 22

Interface, cabling and connectors ............................................................................. 23

Interface summary.............................................................................................. 23

Cabling and connectors...................................................................................... 24

Operation and maintenance

Front panel display.................................................................................................... 25

Using an LTO cartridge ............................................................................................. 27

Loading a cartridge ............................................................................................. 27

Unloading a cartridge ......................................................................................... 27

Write-protecting a cartridge ................................................................................ 27

Cartridge care and maintenance ........................................................................ 28

Drive maintenance .................................................................................................... 29

Cleaning the tape drive....................................................................................... 29

Emergency cartridge removal ................................................................................... 30

Before you start .................................................................................................. 30

Case 1: Cartridge Is loaded and seated ............................................................. 31

Case 2. Cartridge is loaded and seated and tape is threaded ........................... 32

Theory of operations

Track layout............................................................................................................... 35

Recording method..................................................................................................... 36

Data buffer ................................................................................................................ 36

Data integrity ............................................................................................................. 36

Error-correction code (ECC)............................................................................... 36

Servo-tracking faults........................................................................................... 37

Data compression ..................................................................................................... 37

Background ........................................................................................................ 37

Intelligent data compression ............................................................................... 39

SCSI interface

Introduction ............................................................................................................... 40

Содержание STU42001LW Viper

Страница 1: ...Viper 200 LTO Tape Drive STU42001LW STU42001WD STU62001LW STU62001WD Product Manual...

Страница 2: ...h...

Страница 3: ...Viper 200 LTO Tape Drive STU42001LW STU42001WD STU62001LW STU62001WD Product Manual...

Страница 4: ...le Storage Solutions LLC Linear Tape Open LTO Ultrium and the Ultrium logo are U S trademarks of HP IBM and Seagate Other product names are trademarks or registered trademarks of their owners Seagate...

Страница 5: ...r are on different branch circuits If necessary you should consult the dealer or an experienced radio television technician for additional suggestions You may find the booklet How to Identify and Reso...

Страница 6: ...zes the drive s Management Diagnostic Software Specifications Lists detailed drive and cartridge specifications as well as summarizing regulatory approvals and compatibility with various hardware and...

Страница 7: ...ations 9 Environmental requirements 10 Injected noise 10 Reliability 10 Mean time between failures 11 Mean time to repair 11 LTO cartridge specifications 11 Environmental considerations 11 Cartridge m...

Страница 8: ...4 Operation and maintenance 25 Front panel display 25 Using an LTO cartridge 27 Loading a cartridge 27 Unloading a cartridge 27 Write protecting a cartridge 27 Cartridge care and maintenance 28 Drive...

Страница 9: ...f interface 43 Typical system configurations 43 Ultrium tape format 44 Overview of LTO tape formats 44 Ultrium technology overview 44 The Ultrium cartridge 44 Customer support services 47 World wide s...

Страница 10: ...er 200 25 Figure 10 Ultrium cartridge showing write protect switch 27 Figure 11 Diagram of Viper 200 showing leader pin inside LTO cartridge 30 Figure 12 Diagram of Viper 200 showing worm gear 31 Figu...

Страница 11: ...reels Despite its ultra high capacity the Ultrium cartridge is thinner than other existing single reel cartridges It measures about 4 inches square and is a little more than 3 4 of an inch thick For m...

Страница 12: ...well as cartridge soft load The drive s native sustained user data transfer rate is 16 Mbytes per second The tape capacity and transfer rate are maximized through the use of intelligent data compress...

Страница 13: ...ated HTI chamber Increased data integrity and reliability through decreasing contaminants Hard error rate of 1 in 1017 bits Built in reliability Two levels of ECC Extra data safety and protection from...

Страница 14: ...nternal LVD STU42001LW HVD STU42001WD External LVD STU62001LW HVD STU62001WD Form Factor 5 25 Full Height internal drive Interfaces LVD HVD RS 422 Serial Port Tape Speed 4 m sec 16 Mbytes per second S...

Страница 15: ...s Set maximum drive speed Select Power On Self Test mode on off Select data compression mode Select cartridge autoload mode Select cartridge auto unload mode Drive commands Retension tape Download fir...

Страница 16: ...al specifications of the Viper 200 drives are listed in the following table Specification Internal drive without bezel Internal drive with bezel External drive Height 3 25 inches 82 6 mm max 3 32 inch...

Страница 17: ...ensions 9 90 0 20 mm 21 80 0 20 mm M3 X 5 0 4X Near side 4X Far side 82 6 mm max Side View Bottom View 4X M3 X 5 0 146 05 0 25 mm 139 70 mm 0 20 mm 79 24 0 20 mm 79 24 0 20 mm 48 9 0 20 mm 7 mm 48 9 0...

Страница 18: ...ge 14 Volts peak 7 Volts peak Max Operating current Continuous Peak 1 0 amps RMS 3 0 amps 1 sec max 3 5 amps max RMS NA Standby current max 0 5 amps RMS 2 0 amps RMS Ripple peak to peak 100 mV 100 mV...

Страница 19: ...bits Tape drive type LTO Ultrium Head configuration 16 thin film write heads 16 MR read heads 8 MR servo heads During operation 8 write heads 8 read heads and 2 servo heads are active at the same time...

Страница 20: ...coustic level idling A wt sum 38 dBA maximum 5 0 LwA Bels Acoustic level operational A wt sum 41 dBA maximum 5 5 LwA Bels Injected noise The internal drive will operate without degradation of error ra...

Страница 21: ...s The Seagate 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...

Страница 22: ...0 bytes are available for application and OEM use The cartridge memory is powered read and written to via a radio frequency link Cartridge reliability The media life of the cartridge is expected to be...

Страница 23: ...n de Normalisation Electrotechnique the European Committee for Electrotechnical Standardization CENELEC IEC 950 EN60950 including amendments A1 A2 A3 A4 A11 Member Nations of the IECEE International E...

Страница 24: ...tification Taiwan Bureau of Commodity Inspection and Quarantine BSMI BSMI EMC certification China Chinese Commodity Import Bureau CCIB CCIB EMC certification Poland PREDOM OBR CISPR 22 Class B Russia...

Страница 25: ...OSF1 Novell NetWare 5 0 and 5 1 SGI Irix 6 6 and later HP UX 11 2 and later Red Hat Linux 6 2 SunOS 4 3 and later IBM AIX 4 3 and Later including Monterey SCO Unix 5 0 5 Sun Solaris 2 6 and Later Com...

Страница 26: ...cabling and connectors gives specific cabling requirements and connector pinouts for the drive Unpacking and inspection Although drives are inspected and carefully packaged at the factory damage may...

Страница 27: ...etal or grounded surface to discharge any static electricity buildup from your body Always lay the drive either on top of the antistatic bag or place it inside of the bag to reduce the chance of damag...

Страница 28: ...13 SCSI ID 14 SCSI ID 15 Term power Pins Function 1 2 SCSI ID bit 0 3 4 SCSI ID bit 1 5 6 SCSI ID bit 2 7 8 SCSI ID bit 3 9 10 Reserved 11 12 Termination Power Figure 3 Back view of the Viper 200 inte...

Страница 29: ...he interface cable to the 68 pin SCSI interface connector on the back of the drive see Figure 5 Do not mix LVD and HVD devices on the same SCSI bus Serial Interface connector pins on 2 mm centers Driv...

Страница 30: ...of the drive as shown in Figure 5 on the previous page The pin descriptions for the Serial Interface connector are shown in the table below The pins on this connector are set on 2 mm centers Pin numb...

Страница 31: ...k of the external drive as shown in Figure 7 The change will take effect when you turn the drive back on 68 pin wide SCSI connectors SCSI ID selector On Off switch AC Power connector Figure 7 Back of...

Страница 32: ...00 drive Figure 8 SCSI termination examples for external tape drives 3 Connecting the power cord Attach the power cord securely to the power connector on the back of the drive see Figure 7 on the prev...

Страница 33: ...oltage differential HVD with 8 and 16 bit wide transfers LVD and HVD drives can be identified by the following labels located above the SCSI connector SCSI LVD SE SCSI DIFF LVD label HVD label The dri...

Страница 34: ...cteristic impedance should be between 90 ohms and 140 ohms A cable with characteristic impedance of greater than 100 ohms is recommended To minimize noise and ensure even distribution of terminator po...

Страница 35: ...rary or as a stand alone drive A generalized view of the front panel display is shown in Figure 9 Status LED Amber Error LED Orange Drive LED Green Power LED Green Tape Load Unload Button Tape Cartrid...

Страница 36: ...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 Inter...

Страница 37: ...or Use a library or host command to unload the tape Several seconds may elapse between the time you press the eject button and the time the cartridge is ejected Do not power down the tape drive or the...

Страница 38: ...sioned Keep the cartridge away from direct sunlight and heat sources such as radiators heaters or warm air ducts Keep the cartridge away from sources of electromagnetic fields such as telephones compu...

Страница 39: ...d automatically or you may need to press the Eject button to remove the cartridge Each time you use the cleaning cartridge write the date on the label for future reference Note If the Status LED comes...

Страница 40: ...g all connectors to the drive 4 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 w...

Страница 41: ...to the left Figure 12 shows the location of the worm gear This will gradually raise the cartridge elevator and cause the cartridge to slide partially out of the drive Note Do not touch any other part...

Страница 42: ...mechanism except for the components specified in the instructions Worm gear Head assembly Tape grabber Lead screw Load arm Take up reel and hub Slot in drive chassis Figure 13 Diagram of Viper 200 sh...

Страница 43: ...rside of Viper 200 showing supply motor access hole 5 When all of the tape has been spooled off of the take up reel turn the drive right side up 6 Align the slot in the hub with the slot on the drive...

Страница 44: ...of Viper 200 showing worm gear 10 Continue turning the worm gear until the cartridge is sticking out of the unit approximately 17 mm 0 66 Then carefully pull the cartridge out by hand 11 After you ha...

Страница 45: ...Sub band 0 DATA BAND Servo band Servo band Even wrap Odd wrap Even wrap Odd wrap Sub band 7 Beginning of tape BOT End of tape EOT 0 5 0 5 Figure 18 Layout of tracks on LTO Ultrium tape There are 384 d...

Страница 46: ...0 Mbytes sec and utilizes bank switching to achieve a maximum average bandwidth of nearly 240 Mbytes sec This is needed to support data compression in the case of compressible data being transferred f...

Страница 47: ...med by ECC co processor hardware 3 Correction Generating corrected data from syndromes Correction is performed differently depending on the number and types of errors involved For one known C1 codewor...

Страница 48: ...same time interval Data compression considerations In an effective data compression method several factors are important The amount of compression measured by the compression ratio which is a ratio th...

Страница 49: ...d to pass uncompressible data through with minimal expansion There are three specific requirements for compliance with the LTO specification First the output data stream must be decompressible followi...

Страница 50: ...1 1994 The drive also supports some SCSI 3 command extensions SCSI 2 interface The SCSI 2 interface for the Viper 200 drive conforms with the ANSI X3 131 1994 standard The following three tables list...

Страница 51: ...03h Request Sense 05h Read Block Limits 08h Read 0Ah Write 0Bh Set Capacity 10h Write Filemarks 11h Space 12h Inquiry 13h Verify 15h Mode Select 6 byte version 16h Reserve Unit 6 byte version 17h Rele...

Страница 52: ...e supported by the drive 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 Irr...

Страница 53: ...Sense and Log Select for managing soft error reporting Mode Sense Select page to control and report operation of data compression in sequential access devices and to read from and write to the configu...

Страница 54: ...frequency interface More recording channels per tape Most existing linear tape formats use 4 recording channels First generation LTO tapes will have 8 channels allowing native data transfer rates of 1...

Страница 55: ...llow dust to enter the cartridge which could result in loss of data Door open Pin Figure 19 LTO cartridge with door open to show leader pin Cartridge memory To maximize data access speed and efficienc...

Страница 56: ...idge has been loaded A count of the total number of data sets written to this tape A count of the total number of write errors recovered and unrecovered A count of the total number of read errors reco...

Страница 57: ...Before calling note your system configuration and drive model number Seagate Technical Support FAX You can FAX questions or comments to technical support specialists Responses are sent during local bu...

Страница 58: ...or send a FAX to 31 20 653 3513 Support services for Africa and the Middle East For support services in Africa and the Middle East dial our European call center in Amsterdam at 31 20 316 7222 between...

Страница 59: ...Seagate Removable Storage Solutions LLC 1650 Sunflower Avenue Costa Mesa California 92626 USA Part Number 100125702 Rev B Printed in USA...

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