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Fujitsu MBA 3073 NC

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1. 116 7 2 4 Sense data 4 44 xx 5 2x xx 5 90 00 B 44 xx 47 B 48 00 B 49 00 B 4D xx and B 4E 00 SCSI interface error 116 APPENDIX A SETTING TERMINALS ecce eren en ette ene ennt tn ense totos etate ense teens 117 1 Setting Terminals NP model only 118 APPENDIX B CONNECTOR SIGNAL ALLOCATION eere nete eene en 119 B 1 SCSI Connector Signal Allocation SCA2 type LVD 16 bit 120 B 2 SCSI Connector Signal Allocation 68 pin type LVD 16 bit 121 GLOSSAR sssccssveccotusdccsetessnseessssesetiseuescessueseteesueseckesbesstheouesotusscebeivebeesechestesetbseuescenesuesstveeesoesdsee 123 ACRONYMS AND ABBREVIATIONS cscssssssssssssscscsscsecscsscsecscssssesecssssesscessesecsessesecessesees 125 D 127 C141 E270 Figure 1 1 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 Figure 4 9 Figure 4 10 Figure 4 11 Figure 4 12 Figure 4 13 Figure 4 14 Figure 4 15 Figure 4 16 Figure 4 17 Figure 4 18 Figure 4 19 Figure 4 20 Figure 4 21 Figure 4 22 10 FIGURES page System Configuration ate dece vin os a hove cs bas te hata et v m a RR 19 Cylinder configuration sss eene
2. Figure 5 4 Checking the SCSI connection A C141 E270 85 Motor starts by START STOP command TEST UNIT READY command a lt Yes REQUEST SENSE command UNIT ATTENTION No report report mode SCSI standard No NOT READY XK o T Yes START STOP UNIT command Immed 0 b lt ae Executing time about 60 seconds GOOD status ND REQUEST SENSE command To Figure 5 4 Including executing time Abnormal end of initial self diagnostics Figure 5 5 Checking the SCSI connection B 86 2 1 Checking at abnormal end a When sense data can be obtained with the REQUEST SENSE command analyze the sense data and retry recovery for a recoverable error Refer to Chapter 5 Sense Data Error Recovery Methods of the SCSI Logical Interface Specifications for further details b Check the following items for the SCSI cable connection e All connectors including other SCSI devices are connected correctly e The terminating resistor is mounted on both ends of the cable e Power is connected to the terminating resistor c Check the setting of the terminals Note that the checking procedure of SCSI connection differs depending on the setting of the motor start mode and UNIT ATTENTION report mode Formatting Since the HDD is formatted with a specific default data format for each model part number when shipped from the factory the disk need not be formatted initi
3. 72 surface temperature check point 52 surface temperature measurement point 53 system configuration sese 19 LIUIUS 33 T oet oes eet o grec 102 test penn ethos 103 test progtam i eoe te eorr eee is 98 tool and test 102 track format hod ene 35 track Skewes iet ee 35 troubleshooting sse 105 troubleshooting at repair site 107 troubleshooting with HDD replacement in field ice tee enini 105 troubleshooting with part replacement in factory A S a 108 U unpackaging esee 72 unrecoverable error 26 USER SDaCe e A A em Oe E 33 V verify error recovery 90 write protect idee 79 write protect setting esses 79 write read test 96 99 129 This page is intentionally left blank Comment Form We would appreciate your comments and suggestions regarding this manual Manual name MBA3300NC MBA3300NP MBA3147NC MBA3147NP MBA3073NC MBA3073NP HARD DISK DRIVES PRODUCT MANUAL Please mark each item E Excellent G Good F Fair P Poor General appearance Illustration Technical level Glossary Organization Acronyms amp Abbreviations Clarity Index Accuracy Comments amp Suggestions List an
4. esee 101 maintenance 1 100 mean time between failure MTBF 27 mean time to repair 27 microcode downloading 17 MODE SELECT MODE SELECT EXTENDED 87 mode setting enne nere 80 Model d Et es 21 motor start mode sess 78 motor start mode setting 78 128 MOUNUNG 2 65 e eti AAA 50 mounting frame structure 51 mounting 81 mounting 81 mounting requirement 47 mounting SCLOW e 51 multi segment data 15 N NC connector location 58 NC model 4 101 48 note on handling HDD 71 NP connector and terminal location 60 NP model dimensions sssssse 49 online self diagnostic sss 97 operation check eee 104 Operation testeo his iets 104 order NUMBER 2 icis erede 21 outline of troubleshooting procedure 105 P packaging RR SR les 72 108 iet Rr 37 page code sss 88 90 91 92 part replacement sse 101 parts that can be replaced
5. 43 alternate block allocation during FORMAT UNIT command execution 41 alternate cylinder 34 alternate spare 33 automatic alternate block allocation 43 automatic alternate block reassignment 16 B basic operation 6 1 99 BERG 37 block address of user 39 bock 4 1 87 C cache feat re sine eus 15 caching parameter sse 92 check before mounting 81 check items at illegal operation 83 checking at abnormal 87 checking operation sess 83 checking procedure 84 checking SCSI connection 84 85 86 ON ss ce irre e Potete ee 120 121 CN2 setting terminal ses 118 command queuing feature 16 confirming initial 83 connecting cable sse 82 COMME CHON oett re i 73 connector signal allocation 119 C141 E270 continuous block processing 15 control mode 92 controller circuit eene 18 oce Recipe somete 53 c
6. SCT SCT PL sui sm DATA2 pcrc ECC el SCT Servo SCT PLO om DATAI SM2 DATA3 PLO sMi DATAI SM2 DATA4 BCRC ECC G1 Sync PAD G2 G1 Sync PAD G3 Figure 3 6 Sector format Each sector on the track consists of the following fields 36 C141 E270 1 2 3 4 5 6 7 Gaps G1 G2 G3 No pattern is written on the gap field PLO Sync In this field pattern X 00 in the specified length in bytes is written Sync Mark SM1 SM2 In this field special pattern in the specified length in bytes is written This special pattern indicates the beginning of the data field Data field DATA1 DATA4 User data is stored in the data field of the sector The length of the data field is equal to that of the logical data block which is specified with a parameter in the MODE SELECT command Any multiple of 4 between 512 and 528 bytes can be specified as the length BCRC It is a 4 byte error detection code Errors in the ID field Single burst errors with lengths of up to 32 bits for each logical block can be detected ECC This is the 400 bits code that allows detection and correction of errors in the data field which is capable of correcting the single burst error up to 200 bits max on the fly PAD In this field pattern X 00 in the specified length in bytes is written This field includes the variation by rotation and circuit delay till readin
7. N C 2 2 2 2 2 2 2 2 2 2 10 12 13 14 15 16 17 18 19 0 1 2 3 4 5 6 7 8 9 30 2 3 4 5 6 7 8 9 0 WwW nt 47 48 49 50 52 53 54 55 56 57 58 59 61 62 63 64 65 67 70 71 72 73 74 75 76 77 78 79 3 3 3 3 3 3 3 3 4 120 141 270 B 2 SCSI Connector Signal Allocation 68 pin type LVD 16 bit SCSI Table B 2 SCSI connector 68 pin type LVD 16 bit SCSI CN1 5 i GND GND GND GND GND GND C D REQ VO Power supply for the terminating resistor C141 E270 This page is intentionally left blank Glossary Additional Sense Code Bus phase CDB Command Disconnect Initiator Message Logical unit LUN Reconnect C141 E270 This is a 1 byte code displayed in the sense data and is information which specifies the type of error that was detected The name of SCSI bus state The SCSI bus can be either in the BUS FREE ARBITRATION SELECTION RESELECTION or INFORMATION TRANSFER phase The INFORMATION TRANSFER phase is divided into subphases such as DATA IN DATA OUT COMMAND STATUS MESSAGE IN and MESSAGE OUT Command Descriptor Block A series of data which describes commands related to input output operations sent from the initiator to the target This is a command to a target to perform an input output operation and it is described as the CDB Operation performed by the target to free itself from
8. 00000000000000000000000000000000 2 54mm Pin 35 Pin 68 ES 635mm Figure 4 16 68 type 16 bit SCSI interface connector 1 00mm 5 08mm b Power supply connector Figure 4 17 shows the shape and the terminal arrangement of the output connector of DC power supply 12 VDC 12 VDC RETURN GND 5 VDC RETURN GND Q 5 VDC Figure 4 17 Power supply connector 68 pin type 16 bit SCSI 3 SG terminal The HDD is not provided with an SG terminal fasten tab for DC grounding Therefore when connecting SG and FG in the system use the 5 VDC RETURN ground inside the power supply connector as the SG on the power supply side 4 Connector for external operator panel e Connector for 16 bit SCSI external operator panel CNI provides connector for the external operator panel other than the SCSI bus as shown in Figure 4 18 Also a connector for the external operator panel are provided on the HDD as shown in Figure 4 19 This allows connection of an external LED on the front panel and an SCSI ID setting switch For the recommended circuit of the external operator panel see Subsection 4 3 4 C141 E270 61 Figure 4 18 External operator panel connector CN1 pz WIFE Pin 2 Resi 2 0mm Pin 24 0 WTP al 4 1 0 0 0 0 0 DB Pin 1 2 0mm Pin23 Figure 4 19 External operator panel connect
9. C141 E270 01EN MBA3300NC MBA3300NP MBA3147NC MBA3147NP MBA3073NC MBA3073NP HARD DISK DRIVES PRODUCT MANUAL CO FUJITSU FOR SAFE OPERATION Handling of This manual This manual contains important information for using this product Read thoroughly before using the product Use this product only after thoroughly reading and understanding especially the section Important Alert Items in this manual Keep this manual handy and keep it carefully FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property Use the product according to this manual IMPORTANT NOTE TO USERS READ THE ENTIRE MANUAL CAREFULLY BEFORE USING THIS PRODUCT INCORRECT USE OF THE PRODUCT MAY RESULT IN INJURY OR DAMAGE TO USERS BYSTANDERS OR PROPERTY While FUJITSU has sought to ensure the accuracy of all information in this manual FUJITSU assumes no liability to any party for any damage caused by any error or omission contained in this manual its updates or supplements whether such errors or omissions result from negligence accident or any other cause In addition FUJITSU assumes no liability with respect to the application or use of any porduct or system in accordance with the descriptions or instructions contained herein including any liability for incidental or consequential damages arising therefrom FUJTSU DISCLAIMS ALL WARRANTIES REGARDING THE INFORMATION CONTAINED HERE
10. 5 Put the long desiccant between the cushion upper 6 Seal the conductivity bag with the packaging tape 7 Close the cardboard box with the packaging tape ging tap Attach the tape in H figure at the tape Figure 6 4 Fraction packaging C141 E270 111 This page is intentionally left blank CHAPTER 7 ERROR ANALYSIS 7 1 Sense Data Collection 7 3 Sense Data Analysis This chapter explains in detail how sense data collected from an HDD is used for troubleshooting Sense data reflects an error in the HDD and helps with troubleshooting 7 1 Sense Data Collection Sense data When HDD posts a CHECK CONDITION status or detects a fatal error in the SCSI bus the current command or queued command is cleared In such a case the HDD generates sense data about the command issuing initiator The initiator can read the sense data by issuing a REQUEST SENSE command This HDD is equipped with sense data with a byte length of 48 Accordingly Fujitsu recommends collecting all 48 byte sense data when the host unit collects sense data Even if a transfer byte length that is shorter than the sense data length of the tested device is specified the command terminates normally In this case however the initiator receives part of the sense data but the remaining part of the sense data is lost For details of the REQUEST SENSE command refer to Subsection 3 1 15 REQUEST SENSE 15 of the SCSI Logical
11. requirement 12V DC 3 5 less than 100 us Peak operating current Maximum peak DC 6 Peak operating current DC reference 6 KISA 0 75 A C141 E270 25 Power C1 2 53 44 55 6 7 1 2 26 Table 2 3 Environmental power requirements continued Specification Item MBA3300NC MBA3147NC MBA3073NC MBA3300NP MBA3147NP MBA3073NP 1 Ready ver 5 Peak operating current Maximum peak DC 5 requirement 6 5 Peak operating current DC reference 6 Uae Ripple 5 V 12 V 250 mVp p or less 7 For detail condition see Section 4 1 Vibration applied to the drive is measured at near the mounting screw hole on the frame as much as possible At random seek write read and default on retry setting with log sweep vibration At power off state after installation Vibration displacement should be less than 2 5 mm Input voltages are specified at the HDD connector side during HDD Idle state Operating currents are values under random W R operation of full partition at about 220 IOPS High frequency noise over 20 MHz is less than 100 mVp p Error rate Errors detected during initialization and replaced by alternate block assignments are not included in the error rate Data blocks to be accessed should be distributed over the disk equally Unrecoverable error rate Errors which cannot be recovered within 63 retries and ECC correction should not exceed 10 p
12. 33 3 1 3 Track formati 35 ILA Sector fotm t espe oe Re ECRIRE HOT EO RRR 36 3 153 tot oni cei ie inum iet dr 38 3 2 Logical Data Block Addressing sess 38 3 3 Defect Management nce ind aene td ee 40 3 3 ie e EDI n ED e e ied 40 3 3 2 Alternate block allocation ego tie ea e ba ec o aute 40 CHAPTER 4 INSTALLATION REQUIREMENTS e eceeee sees eene 47 4 1 Requirements m Aca ed sve e Ha E AA ee 47 AVA External dimensions iie een ine te e er Hh eR eines 47 4 1 2 Mounting 50 41 37 Notes on mounting eoo ree ete av teca O euis 50 4 2 Power Supply Requirements sese ener 53 4 3 Connection Requirements 58 4 3 1 SCA2 connector type 16 bit SCSI model NC model sss 58 C141 E270 4 3 2 68 pin connector type 16 bit SCSI model NP model sss 60 4 3 3 Cable connector 1 67 4 3 4 External operator panel on NP model drives only 68 CHAPTER 5 INSTALLATION eeeeeeeeeeee eee tenent tt tn entusiasta tata anna n Ra 71 5 1 Notes on Handling Eee ARS Aes een ae 71 5 2 Corinectlons n E tte qe caves ES HU EEA 73 5 3 Setting
13. User space The user space is a storage area for user data The data format on the user space the length of data block and the number of data blocks can be specified with the MODE SELECT or MODE SELECT EXTENDED command The user can also specify the number of logical data blocks to be placed in the user space with the MODE SELECT or MODE SELECT EXTENDED command When the number of logical data blocks is specified as many cylinders as required to place the specified data blocks are allocated in the user space A number starting with 0 is assigned to each cylinder required in the user space in ascending order If the number of cylinders does not reach the maximum the rest of the cylinders will not be used Always 10 cylinders are located at the end of the last zone in the user space as an alternate cylinder Alternate cylinders will be used for alternate blocks See Subsections 3 1 2 and 3 3 2 for details Internal test space The Internal test space is an area for diagnostic purposes only and its data block length is always 512 bytes The Internal test space consists of 8 cylinders and outer most cylinder is always assigned Cylinder 223 to 230 The user cannot change the number of cylinders in the Internal test space or their positions System space The system space is an area for exclusive use of the HDD itself and the following information are recorded Defect list P list and G list MODE SELECT parameter saved value
14. Defect Management Defect list Information of the defect location on the disk is managed by the defect list The following are defect lists which the HDD manages e list Primary defect list This list consists of defect location information available at the disk drive shipment and is recorded in a system space The defects in this list are permanent so the initiator must execute the alternate block allocation using this list when initializing the disk e Dlist Data defect list This list consists of defect location information specified in a FORMAT UNIT command by the initiator at the initialization of the disk This information is recorded in the system space of the HDD as the G list To execute the alternate block allocation the FORMAT UNIT command must be specified e G list Growth defect list This list consists of defective logical data block location information specified in a REASSIGN BLOCKS command by the initiator information on defective logical data blocks assigned alternate blocks by means of HDD automatic alternate block allocation and information specified as the D list They are recorded in the system space on the HDD The initiator can read out the contents of the P and G lists by the READ DEFECT DATA command Alternate block allocation The alternate data block is allocated to a defective data block sectors in defective sector units by means of the defect management method inside the HDD The initiator can ac
15. is connected to another system the user must pay attention to that the HDD operates according to the saved parameter value if the saving operation is not executed at installation C141 E270 89 5 The saved value of the MODE SELECT parameter is assumed as the initial value of each parameter after the power on the RESET condition or the BUS DEVICE RESET message The initiator can change the parameter value temporary actively at any timing by issuing the MODE SELECT or MODE SELECT EXTENDED command with specifying 0 to the SP bit in the CDB 1 Error recovery parameter The following parameters are used to control operations such as HDD internal error recovery a Read write error recovery parameters page code 1 AWRE ARRE TB EER PER DCR Parameter Automatic alternate block allocation at Write operation Automatic alternate block allocation at read operation Uncorrectable data transfer to the initiator Immediate correction of correctable error Report of recovered error Suppression of ECC error correction RETRY COUNT AT READ OPERATION RETRY COUNT AT WRITE OPERATION RECOVERY TIME LIMIT b Verify error recovery parameters page code 7 ERR PER DTE DCR Parameter Immediate correction of recoverable error Report of recovered error Stop of command processing at successful error recovery Suppression of ECC error correction RETRY COUNT AT VERIFICATION c A
16. is less than 100 mVp p Interface cable connection Check that the SCSI interface cable is correctly connected between the disk drive and controller Terminating resistors For a daisy chain connection check the terminating resistor on the last disk drive only For a star burst connection check that the terminating resistor is correctly mounted on all disk drives Drive selection address Check that the disk SCSI ID is set correctly Plug setup Check that the jumpers on the PCBA are set so that the disk drive and host computer operate normally See Section 5 3 System cables Check that all system cables are connected correctly System diagnostic test When possible execute the system level diagnostic routine as explained in the host computer manual This gives a detailed report of a possible fault Intermittent or nonfatal errors Check the AC voltage from the power supply Check the DC voltage level at the power connector for the HDD If the AC voltage level is abnormal or there is a lot of electrical noise notify the user of the error If the DC voltage level is unstable replace the power supply unit If possible replace the HDD If replacing the HDD does not eliminate the error the removed HDD is probably not faulty To continue error analysis refer to the hardware and software manuals supplied with the system 106 C141 E270 6 4 3 Troubleshooting at the repair site For maintenance at this level we recommend additiona
17. ssssssssssseeeeeeeeen eene 61 Power supply connector 68 pin type 16 bit 50 61 External operator panel connector CN1 sse 62 External operator panel connector CN2 sse enne 62 16 bit SCSLID external input eco od du Renee ate AG e ets ae 63 Output signal for external LED eee eee eee eei 65 SCSIcabl s connectiOn ri Ua atit p 66 C141 E270 Figure 4 23 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 7 1 C141 E270 External operator panel circuit example sese 68 SCSLDbus connectionss enint tel aot 74 Setting terminals location on NP models only sese 75 CN2 setting terminal on NP models only 76 Checking the SCSI connection 85 Checking the SCSI connection B sse nnns 86 Test 103 Singl HDD packaging het cen AA 108 Multi box packaging ese deett dee te e eie e ee ie epe ined 110 Fractionpackaging ood didt wei Ut adeb init b 111 Sense data format san p OR UE eB OO RE e e aee Dad 114 Table 2 1 Table 2 2 Table 2 2 Table 2 3 Table 2 3 Table 2 4 Table 3 1 Table 4 1 Table 4 2 Table 5 1 Table 5 2 Table 5 3 Table 5
18. 1 2 Function specifications Table 2 2 shows the function specifications of the HDD Table 2 2 Function specifications Specification Item MBA3300NC MBA3147NC MBA3073NC MBA3300NP MBA3147NP MBA3073NP 5080 Nunberofheads 82 604 cyl typ standard format including the alternate cylinder Track to Seek time Track 0 2 ms 0 4 ms tu DEI Average 3 4 ms 3 9 ms Full stroke 8 0 ms 9 0 ms ready up time 30 s typ 60 s max Start stop time 4 ue P yp Stop time 30 s typ 26 1 mm max External dimensions 101 6 mm 0 25 mm 147 0 mm max 13 06 Wor Cable length 6 m max Single Cable length 3 m max ended Cable length 3 6 Interface Fast 20 oer Cable length 1 5 m max 7 Pico de Cable length 25 m max 8 Cable length 12 m max 9 188 MB s standard format most outer 320 MB s max Logical data block length 512 to 528 byte fixed length 11 22 C141 E270 Table 2 2 Function specifications continued Item MBA3300NC MBA3147NC MBA3073NC MBA3300NP MBA3147NP MBA3073NP SPI 4 T10 1365D Rev 10 SAM 2 T10 1157D Rev 24 Related standards SPC 2 T10 1236D Rev 20 SBC T10 996D Rev 8c Data buffer 8 MB FIFO ring buffer 12 Acoustic noise Idle 3 6 Bels typ C1 2 53 44 53 6 7 8 9 Seek time ms The formatted capacity can be changed by changing the logical block length and using spare sector spac
19. 120 121 SCSI connector signal allocation 120 121 SCSI function 29 SCSI ID setting ceteri 76 77 SCSI interface error esses 116 SCSI standard sss 14 sector 36 96 self diagnostic sse 95 self diagnostic function sss 95 SEND DIAGNOSTIC command 97 sense data sisse te ertt Ee 113 116 sense data analysis 115 sense data 113 sense data format sss 114 senseXey i E odes 113 100 service 1 101 setting bus width of SCSI interface 79 setting check list NP model only 81 setting of SCSI interface operation mode 79 setting parameter 89 setting SCSI terminator power supply 78 setting terminal sse 75 117 setting terminal on NP model only 118 setting terminal location esses 75 setting terminator power supply 78 single HDD packaging 108 Spindle Motor cere 18 C141 E270 START STOP 83 start stop of spindle 17 dort
20. 3 2 The internal test space is used by Read write test of self diagnostics test but user can t use direct access The system space is accessed inside the HDD at power on or during the execution of a specific command but the user cannot directly access the system space Cylinder configuration The HDD allocates cylinders to the user space Internal test space and system space Figure 3 1 is the cylinder configuration Spare areas alternate areas for defective sectors are provided in the user space Several sectors in the last track of each cell and the last 10 cylinders of the last zone are allocated as alternate areas according to the user s assignment MODE SELECT command See Subsection 3 1 2 for details C141 E270 31 Physics cylinder Z System space inis Cell Head mS CylinderO Head 1 Head Zoned a 1 User space Cell n 1 Spare sectors for each cell Zone X 1 Change for cell Alternate cell 10 Spare Last cylinder cylinder Note Spare sectors on the last track in each cell are not necessarily placed at the end of the track because of a track skew or a cylinder skew Details are explained in Subsection 3 1 3 Figure 3 1 Cylinder configuration Apart from the above logical configuration the HDD intends to increase the storage capacity by dividing all cylinders into several zones and changing a recording density of each zone 32 C141 E270 1 Q 3 3 1 2
21. 4 Table 5 5 Table 5 6 Table 5 7 Table 5 8 Table 6 1 Table 6 2 Table 6 3 Table 7 1 Table A 1 Table B 1 Table B 2 12 TABLES page Model names and order a a ae aak i a iE 21 Function specifications esee eee EE EE EEE E EE eee de ees 22 Function specifications continued sse 23 Environmental power requirements enne 25 Environmental power requirements 26 SCSL function specifications ee teet esterne eG 29 Format Capacity ie RR he eee SAG BE RUBRO BO ee eas 38 Surface temperature check point sse nennen eene 52 Recommended components for connection 67 SCSLID3settig eoe eee me BA iE eet 77 Setting SCSI terminator power supply NP model 78 Motor start mode setting sse E ener enr e R enne nennen 78 Write protect setting NP model ene nnns 79 Setting of the SCSI interface operation mode NP model sss 79 Setting the bus width of SCSI interface NP model sss 79 Default mode settings by CHANGE DEFINITION command eee 80 Setting check list NP m del only retten te ete orto eerste 81 Self diagnostie functions eee e ORE ege eee qe Anode 95 System level field troubleshooting sss enne 106 HDD troubleshooting 5 dein eie e TUS D e Ua i p ase 107 D
22. Interface Specifications A sense key additional sense code and additional sense code qualifier taken from various sense data are repeated Also in this chapter troubleshooting is performed using these three codes Unless otherwise specified sense data means the above three codes When sense data is represented as x xx xx the leftmost x is a sense key the middle xx is an additional sense code and the rightmost x is an additional sense code qualifier Sense data format Figure 7 1 shows the sense data format C141 E270 113 114 Information Basic information Command specific information Sense key specific information Additional information Detail information MSB Most significant byte LSB Least significant byte LUN Logical unit number SKSV Sense key specific valid SCSIID SCSI identifier Figure 7 1 Sense data format E Additional sense code qualifier NEN 20 X 70 or X 71 error code 3 X 28 additional sense data length Additional sense code SKSV ef m CDB operation code C141 E270 7 2 Sense Data Analysis 7 2 1 Error information indicated with sense data Table 7 1 lists the definition of sense data For details of sense data refer to Chapter 5 Sense Data Error Recovery Methods of the SCSI Logical Interface Specifications Subsection 7 2 2 onwards explain troubleshooting using sense data Table 7 1 Definition of sense
23. SCSI interface NP model 1 Pin pair 13 14 of CN2 GNDIS 16 SW 16 bit bus Open 1 Set at factory shipment For NC model the function of the bus width setting for the SCSI interface 1s not supported C141 E270 79 5 3 3 Mode settings In addition to the previously described settings using setting terminals the HDD is provided with several mode settings The mode settings are enabled by specifying the CHANGE DEFINITION command Table 5 7 lists the mode settings and their settings at factory shipment Refer to Subsection 3 1 4 CHANGE DEFINITION 40 of the SCSI Logical Interface Specifications for details of the CHANGE DEFINITION command Table 5 7 Default mode settings by CHANGE DEFINITION command SCSI level SCSI 3 mE DATA TRANSFER REQUEST message Not sent from HDD WIDE DATA TRANSFER REQUEST message sending Not sent from HDD EE 0 sec NP Spindle motor start delay time 12 sec x SCSI ID NC 80 C141 E270 5 4 5 4 1 Mounting HDDs Check before mounting Reconfirm if the CN2 setting terminal is set correctly according to Table 5 8 before mounting the NP model drives in the system cabinet For the CN2 setting terminal location see Section 5 3 The NC model drives do not require the following check Table 5 8 Setting check list NP model only contents SCSI ID NEN SCSIID __ Upper bus DB 8 to 15 PI not connected ton Bos 5 4 2 6 Terminator pow
24. This chapter also describes diagnostic methods for operation check and the basics of troubleshooting the disk drives CHAPTER7 ERROR ANALYSIS This chapter describes in details how collect the information for error analysis and how analyze collected error information APPENDIX A The appendixes give supplementary information including a list of setting items and the signal assignments of interface connector C141 E270 1 CONVENTIONS USED IN THIS MANUAL The MBA3300NC MBA3300NP MBA3147NC MBA3147NP MBA3073NC and MBA3073NP disk drives are described as the hard disk drive HDD the disk drive or the device in this manual Decimal number is represented normally Hexadecimal number is represented as 17 9 17B9h or 17B9H Binary number is represented as 010 CONVENTIONS FOR ALERT MESSAGES This manual uses the following conventions to show the alert messages An alert message consists of an alert signal and alert statements The alert signal consists of an alert symbol and a signal word or just a signal word The following are the alert signals and their meanings ACAUTION This indicates that either minor or moderate personal injury may occur if the user does not perform the procedure correctly IMPORTANT This indicates information that the helps the user use the product more effectively In the text the alert signal is centered followed below by the indented message A wider line space precedes and
25. a possibly faulty part is found by troubleshooting return the complete HDD to Fujitsu for repair A media defect list must be included with the HDD returned to Fujitsu If the possibly faulty part is the HDD return the whole HDD to Fujitsu for repair Also if a clear error erroneous servo track information or noisy HDD is detected in the DE return the whole HDD to Fujitsu A media defect list must be included with the HDD returned to Fujitsu ACAUTION Damage Never remove any labels from the HDD or deface them in any way Never open the DE for any reson Doing so will void any warranties C141 E270 107 6 4 4 Troubleshooting with parts replacement in the factory This manual does not cover troubleshooting at the factory level 6 4 5 Finding possibly faulty parts Finding possibly faulty parts in the field was explained in Subsection 6 4 2 This manual does not cover finding possibly faulty parts at the factory level 6 5 Packaging When the HDD is returned to Fujitsu the following methods are recommended 6 5 1 Single HDD packaging Cover side Connector E qd k FCELL PSs h Cushion Desicant Conductivity bag lt Tape sealing method gt Tape sealing Box Conductivity bag is folded and the seal is done with the pakaging tape Figure 6 2 Single HDD packaging 108 C141 E270 1 2 3 4 5 6 Put the HDD into FCELL e At this time the connector of the HDD is directed
26. alternate side When an error occurs in the alternate processing this WRITE command terminates with error When the alternate processing normally terminates the WRITE command is executed Type 2 Reassignment t of write fail sector 1 Commands to be applied WRITE WRITE EXTENDED FORMAT UNIT WRITE at executing WRITE AND VERIFY C141 E270 2 Application requirements processing When WRITE WRITE EXTENDED command detects any Servo error e g Write offtrack error and cannot be recovered within pre determined retry number specified in Mode Parameter For the sectors around defective Servo alternate blocks are allocated and the data of this WRITE commands are re written Sectors to be made AWRE shall be following the sector where the error occurs and the latter sectors and the sectors whose data are logically continual and stored in Cache sectors which will be processed in this Write command and sectors which locate between erroneous Servo 1 and 1 including Split sector This function is also applied for the sector that has already been re assigned Remark When a write protection 1s prohibited through the setting terminal the auto alternate block allocation processing specification is disabled IMPORTANT Automatic alternate block allocation is made up to the following quantities during the execution of one command ARRE Twice AWRE Type 1 16 times AWRE Type 2 Maximum number wh
27. are assigned to sectors other than spare sectors in ascending order of sector number 5 After blocks have been assigned in the same cell according to steps 1 to 4 subsequent logical data blocks are assigned in ascending order of cell number in the same way as in steps 1 to 4 Logical data blocks are assigned starting from track 0 in the next cell until the last cylinder immediately preceding the alternate cylinder n 1 shown in Figure 3 1 of the zone except alternate cylinders in cells in the user space When the logical data block is allocated some sectors track skew and head skew shown in Figure 3 5 are provided to avoid waiting for one turn involving head and cylinder switching at the location where the track or the head is physically switched See Subsection 3 3 2 for defective alternate block treatment and the logical data block allocation method in case of defective sectors exist on the disk 2 Alternate area Alternate areas in the user space spare sectors in the cell and alternate cylinders are not included in the above logical data block addresses Access to sectors which are allocated as an alternate block in the alternate area is made automatically by means of the HDD sector slip treatment or alternate block treatment explained in Subsection 3 3 2 so the user does not have to worry about accessing the alternate area The user cannot access with specifying the data block on the alternate area explicitly C141 E270 39
28. bus e Average amount of processing data specified with a command Refer to Chapter 2 Data Buffer Management of the SCSI Logical Interface Specifications for how to obtain the rough calculation values for the parameter values to be set It is recommended to evaluate the validity of the specified values by measuring performance in an operation status under the average system load requirements C141 E270 91 3 Caching parameters page code 8 The following parameters are used to optimize HDD Read Ahead caching operations under the system environments Refer to Chapter 2 Data Buffer Management of the SCSI Logical Interface Specifications for further details Parameter Default value 1 Initiator control 0 HDD specific control page cache RCD Disabling Read Ahead caching operations 0 enabled WCE Write Cache Enable 1 enabled MF Specifying the multipliers of MINIMUM 0 Specifying PRE FETCH and MAXIMUM PRE absolute value FETCH parameters DISC Prefetch operation after track switching during 1 enable prefetching DISABLE PRE FETCH TRANSFER LENGTH X FFFF MINIMUM PRE FETCH X 0000 MAXIMUM PRE FETCH X 0000 MAXIMUM PRE FETCH CEILING X FFFF NUMBER OF CACHE SEGMENTS X 08 Notes 1 When Read Ahead caching operations are disabled by the caching parameter these parameter settings have no meaning except write cache feature 2 Determine the parameters in consideration of how the system accesses t
29. by transferring the data from the data buffer without reaccessing the disk in case the subsequent command requests the prefetched data blocks The write cache feature is supported When this feature is enabled the status report is issued without waiting for completion of write processing to disk media thereby enabling high speed write processing C141 E270 15 9 10 11 12 13 16 IMPORTANT When Write cache is enabled you should ensure that the cached data is surely flushed to the disk media before you turn off the HDD s power To ensure it you should issue either the SYNCHRONIZE CACHE command or the STOP UNIT command with specifying 0 to the Immediate bit and then confirm that the command is surely terminated with the GOOD STATUS Command queuing feature The HDD can queue maximum 128 commands and optimizes the issuing order of queued commands by the reordering function This feature realizes the high speed processing Reserve and release functions The HDD can be accessed exclusively in the multi host or multi initiator environment by using the reserve and release functions Error recovery The HDD can try to recover from errors in SCSI bus or the HDD using its powerful retry processing If a recoverable data check occurs error free data can be transferred to the initiator after being corrected in the data buffer The initiator software is released from the complicated error recover processing by thes
30. data Additional Additional Definition sense code sense code qualifier aE wee A write to a disk terminated abnormally Failed to allocate the alternate block in the alternate processing An error occurred in power on self diagnosis An HDD error occurred 1x A disk read error occurred 1x A disk read error occurred ROSE RR M Data discrepancy found by VERIFY command byte check 2x XX An SCSI error such as an invalid operation code occurred 90 00 The RESERVE or RELEASE command cannot be executed because the SCSI ID of the initiator was not posted in the SELECTION phase ae A hardware error occurred inside the HDD A parity error occurred in the SCSI data bus Initiator Detected Error message was received An uncounted or inappropriate message was received Before completion of a command a command with the same tag number was issued An overlap command was issued C141 E270 115 7 2 2 7 2 3 7 2 4 116 Sense data 3 0C 03 4 32 00 4 40 xx and 4 C4 xx Sense data 3 0C 03 4 32 00 4 40 xx and 4 C4 xx indicate one of the following e target sector could not be detected using the sector counter e seek process overran the specified time e A write to a disk terminated abnormally e Failed to allocate the alternate block in the alternate processing e Anerror occurred in power on self diagnosis e An HDD error occurred The symptoms above are generally caused by an error in
31. describes the MBA3300NC MBA3300NP MBA3147NC MBA3147NP MBA3073NC and MBA3073NP 3 5 inch SCSI hard disk drives This manual details the specifications and functions of the above disk drives and gives the requirements and procedures for installing it into a host computer system This manual is written for users who have a basic understanding of SCSI disk drives and their use in computer systems The MANUAL ORGANIZATION section describes organization and scope of this manual The need arises use the other manuals OVERVIEW OF MANUAL This manual consists of the following seven chapters and two appendixes CHAPTER1 GENERAL DESCRIPTION This chapter introduces the standard features hardware and system configuration of the HDD CHAPTER2 SPECIFICATIONS This chapter gives detailed specifications of the HDD and the installation environment CHAPTER3 DATA FORMAT This chapter describes the data structure the addressing method and the defect management CHAPTER4 INSTALLATION REQUIREMENTS This chapter describes the basic physical and electrical requirements for installing the disk drives CHAPTERS INSTALLATION This chapter explains how to install the disk drives It includes the notice and procedures for setting device number and operation modes mounting the disk drive connecting the cables and confirming drive operation CHAPTER6 DIAGNOSTICS AND MAINTENANCE This chapter describes the automatic diagnosis and maintenance of the disk drive
32. enabled SCSI ID 15 Figure 5 3 2 setting terminal NP models only 5 31 8 5 ID setting Table 5 1 shows the SCSI ID setting For the terminal location and allocation of NC model see Figure 4 13 and Table B 1 For NP model see Figure 5 2 and 5 3 IMPORTANT When the SCSI ID is set using the external operator panel connector of NP model all pins listed in Table 5 1 should be open If any of pins are shorted unexpected SCSI ID is set 76 C141 E270 Table 5 1 SCSI ID setting NC model CN1 NP model CN2 SCSI m Pin39 Pin79 40 Pingo Es d 2 xu d 0 Open Open Open Open Open Open Open Open 1 Short Open Open Open Short Open Open Open 2 Open Short Open Open Open Short Open Open 3 Short Short Open Open Short Short Open Open 4 Open Open Short Open Open Open Short Open 5 Short Open Short Open Short Open Short Open 6 Open Short Short Open Open Short Short Open 7 Short Short Short Open Short Short Short Open 8 Open Open Open Short Open Open Open Short 9 Short Open Open Short Short Open Open Short 10 Open Short Open Short Open Short Open Short 11 Short Short Open Short Short Short Open Short 12 Open Open Short Short Open Open Short Short 13 Short Open Short Short Short Open Short Short 14 Open Short Short Short Open Short Short Short 15 1 Short Short Short Short Short Short Short Shor
33. ener enne eren enn ennt 32 Spare area in n ARRA Re eA AAA 34 Altern te cylinder osi sese ieri e eere e 34 Track Son R E 35 Track skew head Skew scheint t TORT RO ER TR RR E o t 36 Sector formats sod iei uu oe vod eai otio m voe edat 36 Alternate block allocation by FORMAT UNIT command eene 42 Alternate block allocation by REASSIGN BLOCKS 43 NC model drmensions tet ee pte DO ee RB 48 NP model dimensions earainn ea ede dette 49 HIDD orientations e ote eo RE e e e etes 50 Mounting frame structure ooi a sii eb meti vetera tel ede e arte 51 Limitation of side mounting essen enne ener ennt nenne 52 Surface temperature measurement points sse eren nennen 53 Current waveform Spin u p eerie iere e ee ees 54 Current waveform Max seek ener enne nnns 55 Power on off sequence tan fet I IURE 55 Power onoff sequence 2 5 eter nre bra p iei n is Ove itus 56 Power on off sequence 3 s Seen e OR NI ee D ei b edt 56 AC noise filter recommended eene nennen 58 NG Connectors LOCATON PRO e be eee eR 58 SCA2 type 16 bit SCSI connettori nennen nennen enne enne 59 NP connectors and terminals location 60 68 pin type 16 bit SCSI interface connector
34. follows the alert message to show where the alert message begins and ends The following is an example ACAUTION Damage Never remove any labels from the HDD or deface them in any way Example The main alert messages in the text are also listed in the Important Alert Items ATTENTION Please forward any comments you may have regarding this manual To make this manual easier for users to understand opinions from readers are needed Please write your opinions or requests on the Comment at the back of this manual and forward it to the address described in the sheet 2 C141 E270 Important Alert Items Important Alert Messages The important alert messages in this manual are as follows A hazardous situation could result in minor or moderate personal injury if the user does not perform the procedure correctly This alert signal also indicates CAUTI that damages to the product or other property may occur if the user does not perform the procedure correctly Installation Damage Never remove any labels from the HDD or deface them in any way High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power Data loss 1 The user must not change the setting of terminals not described in this section Do not change setting status set at factory shipment Do not change the setting of terminals except following s
35. good space efficiency Start Stop of spindle motor Using the SCSI command the host system can start and stop the spindle motor Diagnosis The HDD has a diagnostic capability which checks internal controller functions and HDD operations Also for early detection of and recovery from the errors on the disk the HDD has a function for periodically implementing a full scan of the disk Low power consumption By using highly integrated LSI components the power consumption of the HDD is very low and this enables the unit to be used in wide range of environmental conditions Low acoustic noise The acoustic noise level is low approx 3 6 Bels at Idle This makes it ideal for office use Microcode downloading The HDD implements the microcode download feature This feature achieves easy maintainability of the HDD and function enhancing C141 E270 17 1 2 1 Q 3 4 5 6 7 18 Hardware Structure The HDDs have a disk enclosure DE and a printed circuit board assembly PCBA The DE includes the heads on an actuator and the disks on a spindle motor mounted on the DE The PCBA includes a read write circuit and a controller circuit Disks The disks have an outer diameter of 70 mm 2 8 inch Heads The heads have MR Magnet Resistive read element Ramp Load type slider Spindle motor The disks are rotated by a direct drive hall less DC motor The motor speed is controlled by a feedback circuit us
36. in field 100 physical sector 35 PLO 37 positioning error rate sss 27 power consumption 17 power on off 55 56 power supply connector sese 61 power supply 53 precaution een eee mee is 99 preventive maintenance 100 programmable data block length 16 R random sequential read 99 read write circuit 18 read write error recovery parameter 90 51 44 recommended component for connection 67 reliability iu ROC ete 27 annie eyes 72 TEPME iode eee eet eei 101 teplacemient 72 reporting result of self diagnostic and error eats fans ena Gas 98 reserve and release function 16 C141 E270 S SCA2 type LVD 16 bit 120 SCA2 type SCSI connector 59 SCSI bus configuration 20 SCSI bus connection sssseeeee 74 SCSI cable 66 SCSI
37. on it is possible to set up the SCSI ID by short circuiting CN1 A7 and CNI AG C141 E270 5 VDC 74LS06 or equivalent LED IDD front LED V 150 L 0 to 0 4 VDC 15mA 2 5 to 5 25 VDC LED off Figure 4 21 Output signal for external LED e WTP Input signal CN1 A12 and CN2 9 10 pin By connecting the CN1 A12 and CN2 10 pins to the GND writing operations into the HDD disk media are set to disable C141 E270 65 6 Cable connection requirements The requirements for cable connection between the HDD host system and power supply unit are given in Figure 4 22 Recommended components for connection are listed in Table 4 2 External operator panel example SCSI cable To next SCSI device 51 3 or 84 CNI CNI or CN2 IDD Power cable Figure 4 22 SCSI cables connection 66 C141 E270 4 3 3 Cable connector requirements Table 4 2 lists the recommended components cable connection Table 4 2 Recommended components for connection Part number Reference Type Size Manufacturer 1 Tyco Electronics SCSI connector 787311 4 Connector 71743 1085 DHJ PAC68 2AN Cable socket FG losed end SCSI cable COSE 5796090 7 UL20528 FRX 2s Tyco Electronics Cable socket housing 1 480424 0 ower supply 7 cable Contact 170148 1 ree Cab
38. reliability and uses a high speed microprocessing unit MPU to increase the performance of the SCSI controller C141 E270 1 3 System Configuration Figure 1 1 shows the system configuration The HDDs are connected to the SCSI bus of host systems and are always operated as target The HDDs perform input output operation as specified by SCSI devices which operate as initiator LUN 0 fixed Host SCSI bus Host System HDD K gt A JG 80 Controller Controller 3 Controller 4 14 Host Host System adapter Controller B 4 5 15 n SCSI ID for 8 bit SCSI n SCSI ID for 16 bit SCSI Figure 1 1 System configuration C141 E270 19 1 2 20 SCSI bus configuration Up to eight SCSI devices operating as an initiator or a target can be connected to the SCSI bus for the 8 bit SCSI and up to 16 SCSI devices operating as an initiator or a target can be connected to the SCSI bus for the 16 bit SCSI in any combination For example the system can be configured as multi host system on which multiple host computers that operate as initiator or connected through the SCSI bus Using disconnect reconnect function concurrent input output processing is possible on multi SCSI devices Addressing of peripheral device Each SCSI device on the bus has its own unique address SCSI ID n in Figure 1 1 For input output operation a peripheral device attached to the SCSI bus that operates as target
39. remove the cable If it is difficult to access the connector position the cable may be removed after step e d Remove the DC ground cable e Remove the four mounting screws securing the HDD then remove the HDD from the system cabinet f When storing or transporting the HDD put it the antistatic case Fcell see Section 5 1 and 6 5 C141 E270 93 This page is intentionally left blank CHAPTER 6 DIAGNOSTICS AND MAINTENANCE Diagnostics Maintenance Operation Check Troubleshooting Packaging This chapter describes diagnostics and maintenance 6 1 6 1 1 Diagnostics Self diagnostics The HDD has the following self diagnostic function This function checks the basic operations of the HDD e Initial self diagnostics e Online self diagnostics SEND DIAGNOSTIC command Table 6 1 lists the contents of the tests performed with the self diagnostics For a general check of the HDD including the operations of the host system and interface use a test program that runs on the host system see Subsection 6 1 2 Table 6 1 Self diagnostic functions SEND DIAGNOSTIC command Initial Test contents self Self Test 1 Self Test 1 diagnostics cb Offline 0 Unit Offline 1 Hardware function test O C Seek test Write read test Cylinder for internal test Note O indicates the tests to be executed and arrows show the sequence of execution C141 E270 95 1 96 Brief te
40. that the DE surface temperature never exceed 60 C e Cool the PCBA side especially with air circulation inside the cabinet Confirm the cooling effect by measuring the surface temperature of specific ICs and the DE These measurement results must satisfy the temperature condition listed in Table 4 1 e Keep the DE surface temperature at 50 C or below to meet the condition for assuring an MTBF of 1 400 000 hours An air flow of 0 9 m s or more is required at ambient temperature 30 Table 4 1 Surface temperature check point VCM SPM Driver 100 C HDC 100 C 52 C141 E270 6 7 4 2 1 2 Figure 4 6 Surface temperature measurement points External magnetic field Do not install the HDDs in the vicinity of equipment giving off strong magnetic fields such as monitors televisions or loudspeakers Leak magnetic flux Do not mount the HDDs near the devices that the leakage magnetic flux influence easily Power Supply Requirements Allowable input voltage and current The power supply input voltage measured at the power supply connector pin of the HDD receiving end must satisfy the requirement given in Subsection 2 1 3 For other requirements see Items 4 and 5 below Current waveform reference Figure 4 7 shows the spin up current waveform of 5V DC and 12V DC C141 E270 53 t5VDC MBA3300NC MBA3147NC MBA3
41. the PCBA or the DE Sense data 1 1x xx 3 1x xx and E 1D 00 Disk read error If sense data 1 1x xx 3 1x xx or E 1D 00 occurs frequently in a specific block of a disk there 1s disk damage that was not recorded in the media defect list In this case assign an alternate block to the error detected block using a REASSIGN BLOCKS command For an explanation of the REASSIGN BLOCKS command refer to Subsection 3 3 2 REASSIGN BLOCKS 07 of the SCSI Logical Interface Specifications If this error occurs in different blocks the PCBA or the DE is faulty Sense data 4 44 xx 5 2x xx 5 90 00 B 44 xx B 47 xx B 48 00 B 49 00 B 4D xx and B 4E 00 SCSI interface error Sense data 5 2x xx 5 90 00 B 44 xx B 47 xx B 48 xx B 49 00 B 4D xx and B 4E 00 indicates one of the following symptoms e An invalid or unsupported command was issued or invalid or unsupported parameters were specified e ASCSI interface error occurred e hardware error occurred inside the HDD e parity error occurred in the SCSI bus If this error occurs the PCBA or the SCSI interface cable is faulty C141 E270 APPENDIX SETTING TERMINALS A 1 Setting Terminals on NP model only This appendix describes setting terminals C141 E270 117 1 Setting Terminals on NP model only Table A 1 CN2 setting terminal on NP model drives only Pin pair S SCSI ID Open SCSIID 40 Common to 8 b
42. the PCBAs except setting terminal CN1 and CN2 CAUTION High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power C141 E270 71 2 3 4 5 6 72 Unpackaging a b c d Use a flat work area Check that the This Side Up sign side is up Handle the package on soft material such as a rubber mat not on hard material such as a wooden desk Be careful not to give excess pressure to the internal unit when removing cushions Be careful not to give excess pressure to the PCBA and interface connector when removing the HDD from the Fcell See Figure 6 2 Never remove any labels from the HDD Never open the DE for any reason Installation removal replacement a Do not attempt to connect or disconnect connections when power is on The only pin settings that may be altered are pins 9 10 Write Protect in CN2 NP model b Do not move the HDD when power is turned on or until the HDD completely stops for 30 seconds after power is turned off c Place and keep removed screws and other parts where they will not get lost or damaged d Keep a record of all maintenance work for replacing Packaging a Store the HDD in an antistatic case Fcell b Itis recommended to use the same cushions and packages as those at delivery for details see Section 6 5 If those at delivery cann
43. the SCSI bus and the initiator temporarily when SCSI bus operation becomes unnecessary during command processing This is an SCSI device which initiates input and output operations on the SCSI bus Information that controls a series of bus phases and I O sequence between the initiator and the target on the SCSI bus Simple unit of equipment that can be directed to perform one I O operation on the SCSI bus Logical unit number used to identify a logical unit Operation performed by the target to reconnect itself with the initiator when operation on the SCSI bus becomes necessary after disconnection 123 SCSI SCSI Device SCSI ID Sense Data Sense Key Status Target 124 Small Computer System Interface The standardized input output interface of the American National Standards Institute ANSI Standard No ANSI X3 131 1986 The general name given to a device which is connected to the SCSI bus input output device I O controller host adapter expander etc A physical device address which identifies an SCSI device on the SCSI bus Each SCSI device must have a unique ID The SCSI IDs can be 0 to 7 which corresponds to one bit of the data bus When several items of error information are included in a command s completion status this is information generated by the target for reporting detailed information on that status This is a 4 bit code displayed in the sense data It contains information for classif
44. to the hinge side of FCELL e The PCBA is put in the side with the material mark of FCELL Push from two corners of FCELL on the hinge side previously push two corners of the opening next and lock FCELL surely Put the above unitary packaging packed in FCELL into the conductivity bag by securing the cushion Put the HDD with conductivity bag into the cardboard box Put the desiccant 10g into the conductivity bag Seal the conductivity bag with the packaging tape then close the cardboard box C141 E270 109 6 5 2 Multi box packaging Cushion upper Long desiccant Cushion lower Fujitsu logo Conductivity bag Opening side Material mark 2 Desiccant 1 100g lt Tape sealing method gt Tape sealing Box Conductivity bag is folded and the seal is done with the packaging tape Figure 6 3 Multi box packaging 1 Put the conductivity bag into the milti box in addition put the cushion lower into the bag 2 Put unitary packaging FCELL in the cushion lower e At this time FCELL is put in the cushion lower so that the FCELL opening may become downward The I F connector may become upward e For less than 20 HDDs insert the HDDs starting from the slot with the smallest number in Figure 6 4 Then place the empty FCELL in the empty slot 3 Hold the HDD with the cushion upper 4 Put the desiccant 100g into the conductivity bag 110 C141 E270
45. 300NP MBA3147NP c i 3 lt lt lt E E E cca cx BOO NE a d 3 8 3 m Sod 2 005 Chit 1 47 som 2005 Chi 7 146A Time 2 sec div Time 2 sec div 12VDC MBA3300NC MBA3147NC MBA3300NP MBA3147NP gt 3 5 5 lt lt lt z z 3 3 3 O O BI 500mA 2 00s Chi 1 47 Time 2 sec div 500mA 2 005 Chi 1 36 Time 2 sec div Figure 4 7 Current waveform Spin up 54 MBA3073NC MBA3073NP 00 VOR 2 005 750mA Time 2 sec div MBA3073NC MBA3073NP S00mA 2 008 Chi 760mA Time 2 sec div C141 E270 Figure 4 8 shows the max seek current waveform of 5V DC and 12V DC 5VDC MBA3300NC MBA3147NC MBA3073NC MBA3300NP MBA3147NP MBA3073NP e gt 5 E E amp z 2 2 10 075 Chi 7 1 47 M10 0ms Chi 1 464 TSOA Time 10 msec div Time 10 msec div Time 10 msec div 12VDC MBA3300NC MBA3147NC MBA3073NC MBA3300NP MBA3147NP MBA3073NP gt gt gt 5 5 5 E E E E E t i 9 ch ooma CHT STs this S00mA i M10 0ms Chis T 46 A S00mA Ta Ch 7 750A Time 10 msec div Time 10 msec div Time 10 msec div Figure 4 8 Current waveform Max seek 3 Power on off
46. 90 25 95 25 0 25 The value marked with indicates the dimension between mounting holes the bottom face Unit mm Figure 4 1 NC model dimensions 48 C141 E270 Sa ESO AS 6 352032 5 95 25 0 25 The value marked with indicates the dimension between mounting holes on the bottom face Unit mm Figure 4 2 NP model dimensions C141 E270 49 4 4 2 Mounting orientations As shown in Figure 4 3 the HDD can be installed flat on any of its six sides Inclination from a vertical or horizontal plane should not exceed 5 d Vertical 2 e Upright mounting 1 f Upright mounting 2 Direction of gravity Figure 4 3 HDD orientations 4 1 3 Notes on mounting A CAUTION Damage Never remove any labels from the HDD or deface them in any way 50 C141 E270 1 Mounting screw Use No 6 32UNC 2 Mounting frame structure Special attention must be given to mount the HDD as follows a Use the frame with an embossed structure or the like Mount the HDD with making a gap of 2 5 mm or more between the HDD and the frame of the system b As shown in Figure 4 4 the inward projection of the screw from the HDD frame wall at the corner must be 4 5 mm 0 8 mm c Tightening torque of screw must be secured with 0 59N m 6kgf cm 41295 d Impact caused by the electric screwdrive
47. D 5VDC Ti 20 T220 Figure 4 11 Power on off sequence 3 C141 E270 4 5 6 Sequential starting of spindle motors After power is turned on to the HDD a large amount of current flows in the 12 VDC line when the spindle motor rotation starts Therefore if more than one HDD is used the spindle motors should be started by the following procedures to prevent overload of the power supply unit Regarding how to set a spindle motor start control mode see Subsection 5 3 2 For the NP model drives the spindle motors should be started sequentially using of the following procedures a Issue START STOP commands at more than 12 second intervals to start the spindle motors For details of this command specification refer to Subsection 3 1 10 START STOP UNIT 1B of the SCSI Logical Interface Specifications b Turn on the 12V DC power in the power supply unit at 12 second intervals or more to start the spindle motors sequentially For the NC model drives the spindle motors should be started after a delay of 12 seconds times SCSI ID by setting CN1 38 pin to open and CN1 78 pin to short SCSI ID Delay time of spindle motor starting 0 0 1 12s 2 24s 15 180 s Power supply to SCSI terminating resistor If power for the terminating resistor is supplied from the HDD to other SCSI devices through the SCSI bus the current carrying capacity of the 5 VDC power supply line to the HDD must be designed with co
48. IN WHETHER EXPRESSED IMPLIED OR STATUTORY FUJITSU reserves the right to make changes to any products described herein without further notice and without obligation This product is designed and manufactured for use in standard applications such as office work personal devices and household appliances This product is not intended for special uses atomic controls aeronautic or space systems mass transport vehicle operating controls medical devices for life support or weapons firing controls where particularly high reliability requirements exist where the pertinent levels of safety are not guaranteed or where a failure or operational error could threaten a life or cause a physical injury hereafter referred to as mission critical use Customers considering the use of these products for mission critical applications must have safety assurance measures in place beforehand Moreover they are requested to consult our sales representative before embarking on such specialized use The contents of this manual may be revised without prior notice The contents of this manual shall not be disclosed in any way or reproduced in any media without the express written permission of Fujitsu Limited All Right Reserved Copyright FUJITSU LIMITED 2007 C141 E270 REVISION RECORD Specification No C141 E270 EN C141 E270 Related Standards Product specifications and functions described in this manual comply with the follo
49. LTS command cannot read out the error information detected in the self diagnostics Data loss Save data stored on the HDD to other media before requesting repair Fujitsu does not assume responsibility if data is corrupted during servicing or repair High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power Electrical shock To avoid shocks turn off the power before connecting or disconnecting a cable connector or plug Never touch the HDDs while power feeding Damage Always ground yourself with a wrist strap connected to ground before handling ESD Electrostatics Discharge may cause the damage to the device To prevent electrical damage to the HDD turn the power off before connecting or disconnecting a cable connector or plug Never remove a PCBA Never use a conductive cleaner to clean the HDDs Ribbon cables are marked with a colored line Connect the ribbon cable to a cable connector with the colored wire connected to pin 1 Never open the HDD for any reason Damage Never remove any labels from the HDD or deface them in any way Never open the DE for any reason Doing so will void any warranties 4 C141 E270 MANUAL ORGANIZATION PRODUCT MANUAL This manual SCSI PHYSICAL INTERFACE SPECIFICATIONS SCSI LOGICAL INTERFACE SPECIFICATIONS C141 E270 G
50. Statistical information log data Controller control information The above information is duplicated in several different locations for safety Note The system space is also called SA space Alternate spare area The alternate spare area consists of the last track of each cell in the user space and an alternate cylinder allocated to the last 10 cylinders of the last zone in the user space The spare area in each cell is placed at the end of the last track as shown in Figure 3 2 These spare sectors are located in the end of the track logically not necessarily located at the end physically because of track skew or cylinder skew Details are explained on Subsection 3 1 3 Size can be specified by the MODE SELECT command C141 E270 33 The number of spare sectors per cell is fixed at 300 This number cannot be changed by users Track 0 Sector 0 1 n m 1 n m n 2 n 1 Track 1 n 1 2 1 2n m 2n 2 2 1 Cell E Last track SPRI SPR299 SPR300 Spare sectors 300 sectors Note This HDD manages alternate spare areas for each cell which is a set of cylinders One cell consists of 32 to 40 cylinders Figure3 2 Spare area in cell The alternate cylinder 1s used for replacement action via the REASSIGN BLOCKS command or automatic replacement processing The alternate cylinder 1s allocated to 10 cylinders at the end of the last zon
51. Terminals SRM 75 roast beraten osi Sea 76 5 3 2 Each m de sete ten eie t e E 78 5 3 3 Mode settings iss cR eae ret bee RR e he HE de 80 5 4 Mounting eate n E Gu ERE 81 5b Check before mountings Eee eR e REL ene eo 81 5 42 Mounting procedures eee e 81 5 5 Connecting a tete repere ede ce a ees teases 82 5 6 Checking Operation after Installation and Preparing HDDs for Use 83 5 6 1 Confirming initial operations sssssesesseeeeeeeeeeneene ener nre 83 5 6 2 Checking SESI connection oce DROP Doe oi ege ede ub e eiiis 84 5 6 3 Formattifig ase Se Gee pe el ent ede OUR Nd dt e eo tire 87 5 6 4 Setting paramieters isse eie bee e ee Re ee eie duced 89 5 7 Dismounting HDDSs esses E entere nnne nnne 93 CHAPTER 6 DIAGNOSTICS AND MAINTENANCE eeeeeeeeee ttt tntn enses netten tatu snun 95 6 1 Diagnostics cuo ERR RN END REI OE 95 6 11 Self diagnostics e eom te RU tied RR As hee eee tel 95 6 2 T st programs nece nee Ete oerte nie uie o ete PT e Er ede Pe eei ERN 98 6 2 Mamtenance ien tne e see te RE Re Er 99 6 2 Precautionssauiscgosfouetogeatitieeao bod 99 6 2 2 Maintenance requirements eere 100 62 39 Maintenance levelss i RODEO 101 6 2 4 Tools and test quipment sisisi ennemis 102 6 2 3 ter ree tete e ele en
52. When all specified self diagnostics terminate normally the HDD posts the GOOD status for the SEND DIAGNOSTIC command When an error is detected in the self diagnostics the HDD terminates the SEND DIAGNOSTIC command with the CHECK CONDITION status The initiator should issue the REQUEST SENSE command when the CHECK CONDITION status is posted The sense data collected by the REQUEST SENSE command indicates the detail information of the error detected in the self diagnostics The HDD status after the CHECK CONDITION status is posted differs according to the type of the detected error a When an error is detected in the seek or write read test the subsequent command can be accepted correctly When the command other than the REQUEST SENSE is issued from the same initiator the error information sense data is cleared b When an error is detected in the hardware function test the HDD posts the CHECK CONDITION status for all I O operation request except the REQUEST SENSE command The error status is not cleared even if the error information sense data is read Only when the power is turned off or re turned on the status can be cleared When this status is cleared the HDD executes the initial self diagnostics again see item 1 Refer to Subsection 3 4 1 SEND DIAGNOSTIC 1D of the SCSI Logical Interface Specifications for further details of the command specifications ACAUTION Data loss When the SEND DIAGNOSTIC command terminat
53. alized when it is installed in the system However when the system needs data attributes different from the default format all recording surface of the disk must be formatted initialized according to the procedures below The user can change the following data attributes at initialization e Logical data block length e Number of logical data blocks in the user space This section outlines the formatting at installation Refer to Subsection 3 1 5 MODE SELECT 15 3 1 6 MODE SELECT EXTENDED 55 3 3 1 FORMAT UNIT 04 and Chapter 6 Disk Media Management of the SCSI Logical Interface Specifications for further details MODE SELECT MODE SELECT EXTENDED command Specify the format attributes on the disk with the MODE SELECT or MODE SELECT EXTENDED command The parameters are as follows a Block descriptor Specify the size byte length of the logical data block in the data block length field To explicitly specify the number of logical data blocks specify the number in the number of data blocks field Otherwise specify 0 in number of data blocks field In this case the currently set value is used C141 E270 87 2 88 b Format parameter page code 3 Specify the number of spare sectors for each cell in the alternate sectors zone field cannot be changed FORMAT UNIT command Initialize entire recording surface of the disk with the FORMAT UNIT command The FORMAT UNIT command initializes entire s
54. cess all logical data blocks in the user space as long as there is no error Spare sectors to which alternate blocks are allocated can be provided in alternate cylinders See Subsection 3 1 2 for details Both of the following are applicable to the alternate block allocation e Sector slip treatment Defective sectors are skipped and the logical data block corresponding to those sectors is allocated to the next physical sectors This treatment is made on the same cell as the defective sector s and is effective until all spare sectors in that cell are used up e Alternate sector treatment The logical data block corresponding to defective sectors is allocated to unused spare sectors in the alternate cylinder C141 E270 The alternate block allocation is executed by the FORMAT UNIT command the REASSIGN BLOCKS command or the automatic alternate block allocation Refer to Subsection 5 3 2 Auto alternate block allocation processing of the SCSI Logical Interface Specifications for details of specifications on these commands The logical data block is allocated to the next physically continued sectors after the above sector slip treatment is made On the other hand the logical data block is allocated to spare sectors which are not physically consecutive to the adjacent logical data blocks If a command which processes several logical data blocks is specified the HDD processes those blocks in ascending order of logical data block 1 Al
55. command alternate sector treatment C141 E270 43 e Automatic alternate block allocation at write operation If AWRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the HDD executes two kinds of automatic alternate processing during WRITE command processing as described below Type 1 Reassignment of uncorrectable read error sector 1 Commands to be applied WRITE WRITE EXTEND WRITE at executing WRITE AND VERIFY 2 Application requirements When any of the above commands is issued to LBA registered in the uncorrectable error log of the READ command LBA log of uncorrectable error while the READ command is executed the AWRE processing is applied 3 AWRE processing The following processings are performed when the LBA matches the one in the uncorrectable error log a Primary media check Creates an uncorrectable error pattern invalid LBA pattern in the position of the error LBA repeats the primary media check up to three times If the error still occurs after the check repeated three times it is judged to be defective Then it performs the alternate processing b Alternate processing Alternate media check Writes the data that causes an unrecoverable error into the alternate block and performs the media check If the alternate block is a defective sector the block is registered to the G list another alternate block is allocated SA and defect data update processing on
56. dapter 1 HDD C N 1 HDD Host adapter Za Other SCSI device Figure 5 1 SCSI bus connections 2 of 2 74 C141 E270 5 3 Setting Terminals A user sets up the following terminals and SCSI terminating resistor before installing the HDD in the system as required e Setting terminal CN1 NC model CN2 NP model Figure 5 2 shows the location of the setting terminal for NP model and Figure 5 3 shows the allocation and the default settings for NP model See Figure 4 13 and Table B for NC model because the setting terminal is included in SCSI connector 1 ACAUTION Data loss 1 The user must not change the setting of terminals not described in this section Do not change setting status set at factory shipment 2 Do not change the setting of terminals except following setting pins during the power is turned on Write protect Pin pair 9 10 of the CN2 setting terminal NP model only 3 short the setting terminal use the short plug attached when the device is shipped from the factory Pin 1 Figure 5 2 Setting terminals location on NP models only C141 E270 75 10 12 14 16 18 20 22 24 1 3 5 7 9 11 13 15 17 19 21 23 Terminator power supply Supply LED signal HDD Reset signal Force Single Ended LVD mode Force Narrow 16 bit SCSI Motor start mode Write protect
57. dditional error recovery parameters page code 21 Parameter Retry count at seek error 90 Default value 1 enabled 1 enabled 1 enabled 1 enabled 0 disabled 0 Correction is enabled 63 63 30 sec Default value 1 enabled 0 disabled 0 Processing is continued 0 Correction is enabled 63 Default value 15 C141 E270 Notes 1 The user can arbitrarily specify the following parameters according to the system requirements e ARRE AWRE e TB e PER 2 The user also can arbitrarily specify parameters other than the above However it is recommended to use the default setting in normal operations 2 Disconnection reconnection parameters page code 2 The following parameters are used to optimize the start timing of reconnection processing to transfer data on the SCSI bus at a read READ or READ EXTENDED command or write operation WRITE WRITE EXTENDED or WRITE AND VERIFY command of the disk Refer to Chapter 2 Data Buffer Management of the SCSI Logical Interface Specifications for further details Parameter Default value Buffer full ratio 00 HEX Buffer empty ratio 00 HEX Notes 1 In a system without the disconnection function these parameters need not be specified 2 Determine the parameter values in consideration of the following performance factors of the system e Time required for reconnection processing e Average data transfer rate of SCSI
58. e surface temperature from 46 C to 50 4 years e DE surface temperature from 51 C to 55 C 3 5 years e DE surface temperature from 56 C to 60 C 3 years e DE surface temperature more than 60 C less than 5 C guarantee Keep the DE surface temperature from 5 C to 60 C Even if the HDD is used intermittently the longest service life is 5 years The maximum storage period without turning the power on is six months C141 E270 27 Note The average DE surface temperature means the average temperature at the DE surface throughout the year when the HDD is operating T2 C 1 gt lt gt tl Average DE surface temperature 4 Data security at power failure t2 T1xt1 T2xt2 t1 t2 Integrity of the data on the disk is guaranteed against all forms of DC power failure except on blocks where a write operation is being performed The above does not applied to formatting disks or assigning alternate blocks 28 C141 E270 2 2 SCSI Function Specifications Table 2 4 shows the SCSI functions provided with the HDD Table 2 4 SCSI function specifications Item Specification x x x Single ended type HVD type High Voltage Differential requirements incedo done Position where the terminating 1 5 resistor is mounted the PCA Position where the terminating TERMPWR signal send function O NP model 68 pin P cable connector O NP model Con
59. e See Chapter 3 for the further information The formatted capacity listed in the table is an estimate for 512 bytes per sector One gigabyte GB one billion bytes accessible capacity will be less and actual capacity depends on the operating environment and formatting The seek time is as follows 0 16384 32768 49152 65536 81920 Seek difference 4096 Cyl div The start time is the time from power on or start command to when the HDD is ready and the stop time is the time for disks to completely stop from power off or stop command This value indicates during idle mode Power supply at nominal voltage 1 25 C ambient Up to 4 SCSI devices having capacitance of 25pF or less can use cable length of up to 3 0 m 5 to 8 SCSI devices having capacitance of 25pF or less can use cable length of up to 1 5 m 1 on 1 connection case 1 host 15 devices case C141 E270 23 10 The maximum data transfer rate may be restricted to the response speed of initiator and by transmission characteristics 1MB s 1 000 000 bytes s 11 Refer to 1 1 13 12 1MB 71 048 576 bytes 24 C141 E270 21 3 Environmental specifications Table 2 3 lists environmental and power requirements Table 2 3 Environmental power requirements Item MBA3300NC MBA3147NC MBA3073NC MBA3300NP MBA3147NP MBA3073NP pm d 305 to 43 048 m 1 000 to 10 000 feet Altitude 305 to 12 192 m 1 000 to 40 000 feet Ready average 0 88 A 0 60 A 0 45 A
60. e cable C141 E270 5 6 Checking Operation after Installation and Preparing the HDDs for Use 5 6 1 Confirming initial operations This section describes the operation check procedures after power is turned on Since the initial operation of the HDD depends on the setting of the motor start mode check the initial operation by either of the following procedures 1 Initial operation in the case of setting so that motor starts at powering on a b c When power is turned on the LED blinks an instant and the HDD executes initial self diagnosis If an error is detected in the initial self diagnosis the LED blinks periodically Remark The spindle motor may or may not start rotating in this stage When the HDD status is idle the LED remains off when the initiator accesses the HDD via the SCSI bus the LED lights 2 Initial operation in the case of setting so that motor starts with START STOP command a b c d e When power is turned on the LED blinks an instant and the HDD executes initial self diagnosis If an error is detected in the initial self diagnosis the LED blinks The spindle motor does not start rotating until the START STOP UNIT command for the start is issued The initiator needs to issue the START STOP UNIT command to start the spindle motor by the procedure in Subsection 5 6 2 The disk drive enters the READY status in 60 seconds after the START STOP UNIT command is issued At t
61. e error recovery functions of the HDD Automatic alternate block reassignment If a defective data block is detected during read or write the HDD can automatically reassign its alternate data block Programmable data block length Data can be accessed in fixed block length units The data block length is programmable and can be specified at initializing with a multiple of four within the range of 512 to 528 bytes IMPORTANT Error rate increase 1 The HDD format at factory shipment is generally 512 byte 2 The Recoverable Error of the drive might increase when the format would be modified from 512 bytes to the following values 516 bytes 520 bytes 524 bytes and 528 bytes 3 The Recoverable Error referred in 2 is sense data 1 13 xx C141 E270 14 15 16 17 18 19 20 21 Defective block slipping A logical data block can be reallocated in a physical sequence by slipping the defective data block at formatting This results in high speed contiguous data block processing without a revolution delay due to defective data block High speed positioning A rotary voice coil motor achieves fast positioning with high performance access control Large capacity A large capacity can be obtained from the HDDs by dividing all cylinders into several partitions and changing the recording density on each partition constant density recording The disk subsystem with large capacity can be constructed in the
62. e in the user space The user space and the system space share the alternate cylinders Zone 0 gt Zonen gt Cyl 0 USRCYLO 1 p USRCYLO p ALTCELL USRCYL User area ALTCYL Alternate area Change for cell 10 Cyl Note The number of alternate cylinders cannot be changed Figure 3 3 Alternate cylinder 34 C141 E270 1 2 Track format Physical sector allocation Figure 3 4 shows the allocation of the physical sectors in a track The length in bytes of each physical sector and the number of sectors per track vary depending on the logical data block length The unused area G4 exists at the end of the track in formats with most logical data block lengths The interval of the sector pulse length of the physical sector is decided by the HDD internal free running clock frequency This clock is not equal to the interval of the byte clock for each zone Therefore the physical sector length cannot be described with a byte length INDEX ucc ip pulse Sector ez pulse Track Sector 0 n n n r Clock Clock Clock Clock Clock unused Figure 3 4 Track format Track skew and head skew To avoid waiting for one turn involved in head and cylinder switching the first logical data block in each track is shifted by the number of sectors track skew and head skew corresponding to the switching time Figure 3 5 shows how the data block is allocated in each track At the cylinder switchin
63. eerte ke 102 6 3 Operation Checks Jon ree D etti 104 6 3 1 Initial seek operation check nennen ener 104 6 3 2 Operation testen Eni tta inn 104 6 3 3 DiagnostiCtest ROC Do pui iens 104 6 4 Troubleshooting xen ete oat ele eve bin e D Ee casas wae 105 8 C141 E270 6 4 1 Outline of troubleshooting procedures sss enne 105 6 4 2 Troubleshooting with HDD replacement in the field sess 105 6 4 3 Troubleshooting at the repair site enne 107 6 4 4 Troubleshooting with parts replacement in the 108 6 4 5 Finding possibly faulty eere 108 6 5 A E A tete orm es ct 108 6 5 Single HDD packaging ue Re ERES RN AR UR EE A EE CREE REO 108 6 5 2 Multi box packaging oii coe ode et eee ee a he edd 110 CHAPTER 7 ERROR ANALYSIS vecsisscccsssssesssvessssucsessecsassos eassosesshessosseesecsve Pol v Fo eres tee soon en 113 7 1 Sense Data Collection E HE He Hr er o PR a 113 TAN s Sense eR cue attente die n aie 113 72125 Sensedata format ce conde cetur aA ied re egeta 113 7 2 Sense Data Analysis cie nee eerte ie f et eer e a e He Ieri 115 7 2 1 Error information indicated with sense data 115 7 2 2 Sense data 3 0C 03 4 32 00 4 40 xx and 4 C4 xx sse 116 7 2 3 Sense data 1 1x xx 3 1x xx and E 1D 00 Disk read
64. efinition of sense epe HERR NER Ue due aetates 115 CN2 setting terminal on NP model drives 118 SCSI connector SCA2 type LVD 16 bit SCSI 120 SCSI connector 68 pin type LVD 16 bit SCSI 121 C141 E270 CHAPTER 1 GENERAL DESCRIPTION 1 1 Standard Features 1 2 Hardware Structure 13 System Configuration This chapter describes the feature and configuration of the MBA3xxxxx The HDDs are high performance large capacity 3 5 inch hard disk drives with an embedded SCSI controller The HDDs support the Small Computer System Interface SCSI as described in the ANSI SCSI SPI 4 T10 1365D Rev 10 to the extent described in this manual The flexibility and expandability of the SCSI as well as the powerful command set of the HDD allow the user to construct a high performance reliable disk subsystem with large storage capacity The data format can be changed from the format at factory shipment by reinitializing with the user s system Refer to Chapter 6 Disk Media Management of the SCSI Logical Interface Specifications for details C141 E270 13 1 1 1 Q 3 4 14 Standard Features Compactness Since the SCSI controller circuit is embedded in the standard 3 5 inch hard disk drive form factor the HDD is extremely compact The HDD can be connected directly to the SCSI bus of the host system Environ
65. eneral Description Specifications Data Format Installation Requirements Installation Diagnostics and Maintenance Error Analysis SCSI Bus SCSI Message Error Recovery Command Processing Data Buffer Management Command Specifications Parameter Data Formats Sense Data and Error Recovery Method Disk Media Management This page is intentionally left blank CONTENTS CHAPTER 1 GENERAL DESCRIPTION wu 13 1 1 Standard BE atur s 2 5 onec ete eu rotg te aereo ter rod bre suec dyes 14 1 2 Hardware Stt cture iun E E EE s 18 1 3 System Confiouration 2 eR ed ERE LER HEURE RU Ne dus 19 CHAPTER 2 SPECIFICATIONS eese tcc se ence re eet ve tata Ree a poso 21 2 1 Hardware Specifications Tee e a tet nt he E ete 21 2 1 1 Model name and order number sse nennen enne enne 21 2 1 2 Function nennen 22 2 1 3 Environmental specifications essen nennen ener enne nennen 25 2142 EffODTate oet eere RI ee dm RI 26 24 5 Reliability e eet tet tee PUR Ud 27 2 2 SCSI Function Specifications e iiec e 29 CHAPTER DATA FORMAT ettet ee ders co ette tee ee E ee EE 31 3 1 Data S Pace PR 31 3 1 1 Cylinder configuration nisse eie ettet iere ede dei ite R 31 3 1 2 Alternate spare
66. epends on the operating environment and formatting Note Total number of spare sectors is calculated by adding the number of spare sectors in each primary cylinder and the number of sectors in the alternate cylinders Logical Data Block Addressing The HDD relates a logical data block address to each physical sector at formatting Data on the disk is accessed in logical data block units The initiator specifies the data to be accessed using the logical data block address of that data C141 E270 1 Block address of user space The logical data block address number is consecutively assigned to all of the data blocks in the user space starting with 0 to the first data block The HDD treats sector 0 head 0 and cylinder 0 as the first logical data block The data block is allocated in ascending order of addresses in the following sequence refer to Figure 3 5 1 Logical data blocks are assigned in ascending order of sector number in the same track 2 Subsequent logical data blocks are assigned in ascending order of cylinder number in the same head Within the same head logical data blocks are assigned in the same way as step 1 3 Subsequent logical data blocks are assigned to sectors in every track except the last track in ascending order of head number in the same cell Within the same track logical data blocks are assigned in the same way as step 1 and 2 4 For the last track in the same cell subsequent logical data blocks
67. er 10 bits read Positioning error rate Positioning errors which can be recovered by one retry should be 10 or less per 10 seeks C141 E270 2 1 5 Reliability 1 Mean Time Between Failures MTBF MTBF of the HDDs during its lifetime is 1 400 000 hours operating 24 hours day 7 days week average DE surface temperature 50 C or less Continual or sustained operation at case DE surface temperature above 50 C may degrade product reliability Note The MTBF is defined as Operating time hours at all field sites MTBF The number of equipment failures from all field sites Failure of the equipment means failure that requires repair adjustments or replacement Mishandling by the operator failures due to bad environmental conditions power trouble host system trouble cable failures or other failures not caused by the equipment are not considered 2 Mean Time to Repair MTTR MTTR is the average time taken by a well trained service mechanic to diagnose and repair an HDD malfunction The drive is designed for a MTTR of 30 minutes or less 3 Service life The service life under suitable conditions and treatment is as follows The service life is depending on the environment temperature Therefore the user must design the system cabinet so that the average DE surface temperature is as low as possible DE surface temperature from 5 C to 40 C 5 years e DE surface temperature from 41 C to 45 C 4 5 years
68. er supply 23 24 Short Open EE Mounting procedures Since mounting the HDD depends on the system cabinet structure determine the work procedures considering the requirements specific to each system The general mounting method and items to be checked are shown below See Section 4 1 for the details of requirements for installing the HDD 1 With a system to which an external operator panel is mounted if it is difficult to access the connector after the HDD is mounted on the system cabinet connect the external operator panel cable before mounting the HDD 2 Fix the HDD in the system cabinet with four mounting screws as follows e The HDD has 10 mounting holes both sides 3 x 2 bottom 4 Fix the HDD by using four mounting holes of both sides of the HDD or the bottom See Figure 4 5 e Use mounting screws of which lengths inside the HDD 5 0 mm 0 5 mm when the screws are tightened see Figure 4 4 e When mounting the HDD be careful not to damage parts on PCBA 3 Confirm the DE is not touching the frame on the system side excluding the screw installing part after tightening the screws At least 2 5mm of clearance is required between the DE and the frame Indicated in Figure 4 4 4 When using an electric screwdriver use an electric screwdriver that does not apply a force on the HDD that would exceed the HDD specifications C141 E270 81 5 5 82 Connecting Cables Connect the HDD and system with
69. es with the CHECK CONDITION status the initiator must collect the error information using the REQUEST SENSE command The RECEIVE DIAGNOSTIC RESULTS command cannot read out the error information detected in the self diagnostics Test programs The basic operations of the HDD itself can be checked with the self diagnostic function However to check general operations such as the host system and interface operations in a status similar to the normal operation status a test program that runs on the host system must be used The structure and functions of the test program depend on the user system requirements Generally it is recommended to provide a general input output test program that includes SCSI devices connected to the SCSI bus and input output devices on other I O ports Including the following test items in the test program is recommended to test the HDD functions generally C141 E270 1 Q 3 4 6 2 6 2 1 Interface test The operations of the SCSI bus and data buffer on the HDD are checked with the WRITE BUFFER and READ BUFFER commands Basic operation test The basic operations of the HDD are checked by executing self diagnosis with the SEND DIAGNOSTIC command see Subsection 6 1 1 Random sequential read test The positioning seek operation and read operation are tested in random access and sequential access modes with the READ READ EXTENDED or VERIFY command Write read test By using a data block i
70. et or saved with the MODE SELECT or MODE SELECT EXTENDED command the HDD sets the default values for parameters and operates when power is turned on or after reset Although the HDD operations are assured with the default values the operations are not always optimal for the system To obtain the best performance set the parameters in consideration of the system requirements specific to the user This section outlines the parameter setting procedures Refer to Subsection 3 1 5 MODE SELECT 15 and 3 1 6 MODE SELECT EXTENDED 55 of the SCSI Logical Interface Specifications for further details of the MODE SELECT and MODE SELECT EXTENDED commands and specifying the parameters IMPORTANT 1 At factory shipment of the HDD the saving operation for the MODE SELECT parameter is not executed So if the user does not set parameters the HDD operates according to the default value of each parameter 2 The MODE SELECT parameter is not saved for each SCSI ID of but as the common parameter for all IDs In the multi initiator system parameter setting cannot be changed for each initiator 3 Once parameters are saved the saved value is effective as long as next saving operation is executed from the initiator For example even if the initialization of the disk is performed by the FORMAT UNIT command the saved value of parameters described in this section is not affected 4 When the HDD to which the saving operation has been executed on a system
71. etting pins during the power is turned on Write protect Pin pair 9 10 of the CN2 setting terminal NP model only To short the setting terminal use the short plug attached when the device is shipped from the factory Damage 1 Make sure that system power is off before connecting or disconnecting cables 2 Do not connect or disconnect cables when power is on except NC model Damage 1 Be careful of the insertion orientation of the SCSI connectors With the system in which terminating resistor power is supplied via the SCSI cable if the power is turned on the overcurrent protection fuse of the terminating resistor power supplier may be blown or the cable may be burnt if overcurrent protection is not provided When the recommended parts listed in Table 4 2 are used inserting the cables in the wrong direction can be prevented To connect SCSI devices be careful of the connection position of the cable Check that the SCSI device with the terminating resistor is the last device connected to the cable C141 E270 3 Installation High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power Diagnostics and Data loss When the SEND DIAGNOSTIC command terminates with the CHECK CONDITION status the initiator must collect the error information using the REQUEST SENSE command The RECEIVE DIAGNOSTIC RESU
72. g location in a head the first logical data block in track t 1 is allocated at the sector position which locates the track skew behind the sector position of the last logical data block sector in track t At the head switching location like the cylinder switching location the first logical data block in the last cylinder of the head is allocated at the sector position which locates the head skew behind the last logical sector position in the first cylinder of the preceding head C141 E270 35 INDEX INDEX V V Sector 0 1 2 3 4 5 6 7 8 nel Track 0 LBAO 1 2 3 4 5 6 8 1 Track skew Head 1 2 2 2n 1 n n 2 3 4 n 5 6 2n 3 Track skew 2 3n 5 EE D Head skew ptl Leading logical LBA Logical data block address sector in head p 1 Figure 3 5 Track skew head skew The number of physical sectors track skew factor and head skew factor corresponding to the skew time varies depending on the logical data block length because the track skew and the head skew are managed for individual sectors The HDD automatically determines appropriate values for the track skew factor and the head skew factor according to the specified logical data block length 3 1 4 Sector format Each sector on the track consists of an ID field a data field and a gap field which separates them Figure 3 6 gives sector format examples
73. g writing C141 E270 37 3 1 5 3 2 38 Format capacity The size of the usable area for storing user data on the HDD format capacity varies according to the logical data block or the size of the spare sector area Table 3 1 lists examples of the format capacity when the typical logical data block length and the default spare area are used The following is the general formula to calculate the format capacity Number of sectors of each zone number of sectors per track x number of tracks per cell number of alternate spare sectors per cell x number of cells in the zone Formatted capacity total of sectors of all zones number of physical sectors in logical block x logical data block length The following formula must be used when the number of logical data blocks is specified with the parameter in the MODE SELECT or MODE SELECT EXTENDED command Format capacity logical data block length x number of logical data blocks The logical data block length the maximum logical block address and the number of the logical data blocks can be read out by a READ CAPACITY MODE SENSE or MODE SENSE EXTENDED command after initializing the disk Table 3 1 Format capacity MBA3300NC 585 937 500 300 GB MBA3300NP MBA3147NC 287 277 984 147 GB MBA3147NP MBA3073NC 143 638 992 73 5 GB MBA3073NP One gigabyte GB one billion bytes accessible capacity will be less and actual capacity d
74. he disk When the access form is not determined uniquely because of the processing method the parameters can be re set actively 3 For sequential access the effective access rate can be increased by enabling Read Ahead caching operations and Write Cache feature 4 Control mode parameters page code A The following parameters are used to control the tagged queuing and error logging 92 C141 E270 a Control mode parameters Parameter Default value QUEUE ALGORITHM MODIFIER 0 Execution sequence of read write commands is optimized QErr Resume or abort remaining suspended 0 command is commands after sense pending state resumed 5 7 Dismounting HDDs Since the method and procedure for dismounting the HDD etc depends on the locker structure of the system etc the work procedures must be determined in consideration of the requirements specific to the system This section describes the general procedures and notes on dismounting the drive It is recommended before dismounting the HDD to make sure the spindle motor completely stops after power was turned off A CAUTION High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power a Remove the power cable b Remove the SCSI cable NC Model uses a single cable for power supply and the SCSI interface c When the external operator panel is mounted
75. his time the HDD reads system information from the system space on the disk The LED blinks during command execution 3 Check items at illegal operation a b c C141 E270 Check that cables are mounted correctly Check that power and voltages are supplied correctly measure them with the HDD power connection position Check the setting of each setting terminal Note that the initial operation depends on the setting of the motor start mode and LED display requirements 83 5 6 2 1 84 d Ifan error is detected in initial self diagnosis the LED blinks In this case it is recommended to issue the REQUEST SENSE command from the initiator host system to obtain information sense data for error analysis IMPORTANT The LED lights during the HDD is executing a command However in same commands the lighting time is only an instant Therefore it seems that the LED blinks or the LED remains off Checking SCSI connection When the initial operation is checked normally after power is turned on check that the HDD is connected to the SCSI bus from the host system Although checking the connection depends on the structure of the host system this section describes the general procedures Checking procedure Issuing the commands and determining the end status depends on the start mode of the spindle motor and UNIT ATTENTION report mode specified with setting terminal Figure 5 4 shows the recommended checking p
76. ich can be processed within the recovery time limit If more than the above mentioned defective block is detected the alternate block assignment processing for the first defective block is executed but the alternate block assignment processing for the second one is not executed and the command being executed terminates However the initiator can recover the twice error by issuing the same command again When an error is detected in a data block in the data area recovery data is rewritten and verified in automatic alternate block allocation during the execution of the READ or READ EXTENDED command Alternate block allocation will not be made for the data block if recovery is successful Example Even if the data error which is recoverable by the WRITE LONG command is simulated automatic alternate block allocation will not be made for the data block C141 E270 45 This page is intentionally left blank CHAPTER 4 INSTALLATION REQUIREMENTS 4 4 Mounting Requirements 4 2 Power Supply Requirements 4 3 Connection Requirements This chapter describes the environmental mounting power supply and connection requirements 4 1 Mounting Requirements 4 1 1 External dimensions Figures 4 1 and 4 2 show the external dimensions of the HDD and the locations of the holes for the HDD mounting screws C141 E270 47 BDA T TATTLE LE EHE LLL LL MT ime om 101 44 45 0 25 1 7550 25 6 95
77. ing the counter electromotive current to precisely maintain of the specified speed Actuator The actuator which uses a rotary voice coil motor VCM consumes little power and generates little heat The heads at the end of the actuator arm are controlled and positioned via feedback of servo information in the data The heads are positioned on the ramp when the power is off or the spindle motor is stopped Air circulation recirculation filter breather filter The disk enclosure DE configures a clean room to keep out particle and other contaminants The DE has a closed loop air recirculation system Using the movement of the rotating disks air is continuously cycled through a filter This filter will trap any particle floating inside the enclosure and keep the air inside the DE contaminant free To prevent negative pressure in the vicinity of the spindle when the disks begin rotating a breather filter is attached The breather filter also equalizes the internal air pressure with the atmospheric pressure due to surrounding temperature changes Read write circuit The read write circuit utilizes a read channel mounted with a head IC that supports high speed transmission and an MEEPRML Modified Enhanced Extended Partial Response Maximum Likelihood modulation demodulation circuit in order to prevent errors being triggered by external noise and to improve data reliability Controller circuit The controller circuit uses LSIs to increase the
78. is addressed in unit called as logical unit A unique address LUN logical unit number is assigned for each logical unit The initiator selects one SCSI device by specifying that SCSI ID then specifies the LUN to select the peripheral device for input output operation The HDD is constructed so that the whole volume of disk drive is a single logical unit the selectable number of SCSI ID and LUN are as follows e SCSI ID 8 bit SCSI Selectable from 0 to 7 option for NP model switch selectable 16 bit SCSI Selectable from 0 to 15 switch selectable e LUN 0 fixed C141 E270 CHAPTER 2 SPECIFICATIONS 2 Hardware Specifications 2 2 SCSI Function Specifications This chapter describes specifications of the HDD and the functional specifications of the SCSI 2 1 Hardware Specifications 2 1 1 Model name and order number Each model has a different recording capacities and interface connector type when shipped Table 2 1 lists the model name and order number The data format can be changed by reinitializing with the user s system Table 2 1 Model names and order numbers Model name Order number SCSI type Capacity user area MBA3300NC CA06708 B400 2 LVD 300 GB MBA3300NP CA06708 B850 68 pin LVD 147 GB 73 5 GB One gigabyte GB one billion bytes accessible capacity will be less and actual capacity depends on the operating environment and formatting C141 E270 21 2
79. it and 16 bit SCSI Open SCSIID 1 to 8 bit and 16 bit SCSI x ns On On ns ns SCSI ID 7 to 8 bit and 16 bit SCSI SCSI ID 12 16 bit SCSI only SCSI ID 13 16 bit SCSI only Short SCSIID 14 16 bit SCSI only Short SCSIID 15 16 bit SCSI only Write protect Write operation is enabled Write operation is disabled Pin pair Uus 11 12 13 14 15 16 23 24 Motor start mode Open Started by the START STOP command Started by turning the power supply on Force Narrow Width of 16 bit bus Width of 8 bit bus Force Single Ended Open Follows DIFFSNS signal level on SCSI bus Single Ended mode Terminating power supply Does not supply terminating resistor power to SCSI BUS Supply terminating resistor power to SCSI BUS Setting at factory shipment Note See the description of Section 5 3 for details of the setting requirements and notes 118 C141 E270 APPENDIX B CONNECTOR SIGNAL ALLOCATION SCSI Connector Signal Allocation SCA2 type LVD 16 bit SCSI SCSI Connector Signal Allocation 68 pin type LVD 16 bit SCSI This appendix describes the connector signal allocation C141 E270 119 B 1 SCSI Connector Signal Allocation SCA2 type LYD 16 bit SCSI Table 1 SCSI connector SCA2 type LVD 16 bit SCSI CN1 TV Char Tm A Ww N 0 Reserved N C Reserved N C 4 A an
80. l testing of the HDD and signal checking The sense data posted from the HDD helps with troubleshooting This sense data makes the error type clear functional mechanical or electrical error Chapter 7 error analysis by sense data and gives supplementary information on finding the error cause faulty part Table 6 3 lists how to detect a faulty HDD subassembly This fault finding requires a working host computer or HDD test equipment to recreate the error conditions If the detected error cannot be recreated in an ordinary test HDD conditions can be changed to force the error to recur This is done by changing the DC voltage or the ambient temperature of the HDD If the error does not recur with changed conditions the HDD is not faulty Ifno error occurs in the HDD test notify the user of the test results and find out from the user the environment conditions where the HDD is used Table 6 3 HDD troubleshooting Frequent or repeated seek errors Collect sense data and see Chapter 7 Replace the HDD and check that the test method is correct If the error recurs it is likely that the HDD is normal but the test method is incorrect Intermittent or nonfatal errors Replace the HDD and check that the test method is correct If the error recurs it is likely that the HDD is normal but the test method is incorrect To check performance change the HDD conditions by changing the voltage or temperature If the HDD error recurs or
81. le AWGI8t024 HIROSE i Cable socket housing A3B 12D 2C ELECTRIC xternal operator HIROSE AWG26t036 FUJITSU Cable socket housing FCN 723J024 2M TAKAMIZAWA xternal operator FUJITSU panel CN2 FCN 723J G AM TAKAMIZAWA AWG28 M 1 See Figure 4 22 1 SCSI cable Refer to Section 1 3 Physical Requirements and Section 1 4 Electrical Requirements of the SCSI Physical Interface Specifications 2 Power cable HDDs must be star connected to the DC power supply one to one connection to reduce the influence of load variations 3 DC ground The DC ground cable must always be connected to the HDD because no fasten tab dedicated to SG is provided with the HDD Therefore when SG and FG are connected in the system it is necessary to connect SG and FG at the power supply or to connect SG of the power supply to FG of the system C141 E270 67 4 External operator panel NP model only The external operator panel is installed only when required for the system When connection is not required leave open the following pins in the external operator panel connector of the HDD Pins 21 22 and pins 01 through 08 in CN2 and pins A1 through A12 in CNI 4 3 4 External operator panel on NP model drives only A recommended circuit of the external operator panel is shown in Figure 4 23 Since the external operator panel is not provided as an option this panel must be fabricated at the user
82. me of initiator and the length of SCSI bus length The maximum data transfer rate in synchronous mode may be limited by the cable length transmission characteristics of the SCSI bus and the connected SCSI device number Continuous block processing The addressing method of data blocks is logical block address The initiator can access data by specifying block number in a logically continuous data space without concerning the physical structure of the track or cylinder boundaries The continuous processing up to 64K 1 blocks in a command can be achieved and the HDD can perform continuous read write operation when processing data blocks on several tracks or cylinder Multi segment data buffer The data buffer is 8M bytes Data is transferred between SCSI bus and disk media through this data buffer This feature provides the suitable usage environment for users Since the initiator can control the disconnect reconnect timing on the SCSI bus by specifying the condition of stored data to the data buffer or empty condition of the data buffer the initiator can perform the effective input output operations with utilizing high data transfer capability of the SCSI bus regardless of actual data transfer rate of the disk drive Cache feature After executing the READ command the HDD reads automatically and stores prefetches the subsequent data blocks into the data buffer Read ahead caching The high speed sequential data access can be achieved
83. mental Protection The HDDs comply with the Restriction of the use of certain Hazardous Substances in electrical and electronic equipment RoHS directive issued by European Union EU SCSI standard The HDD provides not only SCSI basic functions but also the following features e Arbitration e Disconnection Reconnection e Data bus parity The SCSI commands can manipulate data through logical block addressing regardless of the physical characteristics of the HDD This allows software to accommodate future expansion of system functions 8 bit SCSI 16 bit SCSI The HDD has 16 bit data bus width 16 bit SCSI which have the wide transfer function suitable for SCSI 2 8 bit data bus is available only with NP model See subsection 5 3 2 for details of the bus width setting For the ultra SCSI model number of connectable SCSI devices on the same SCSI bus is varied as follows 8 bit SCSI 8 drives max option for NP model 16 bit SCSI 16 drives max C141 E270 5 6 7 8 High speed data transfer Such a high data transfer rate on the SCSI bus can be useful with the large capacity buffer in the HDD 8 bit SCSI The data transfer rate on the SCSI bus is 40 MB s maximum at the synchronous mode 16 bit SCSI data transfer rate on the SCSI bus is 320 MB s maximum at the paced transfer synchronous mode Note The maximum data transfer rate in asynchronous mode may be limited by the response ti
84. motor can be controlled by specifying the START STOP UNIT command Table 5 3 Motor start mode setting NC model 3 NP model Start timing of the spindle motor Pin 38 of CNI Pin 78 of CNI Pin D 12 of RMT START DYLD START GND RMSTART Starting of the motor is controlled with the START STOP UNIT Short Open or Short Open command The motor is started immediately after the power supply is turned on or Open Open Short 1 after the microcode is downloaded The motor is started after the elapse of a delay time that is based on the SCSIID The delay time is provided immediately after the power supply is Shor 2 turned or after the microprogram is downloaded Set at factory shipment 2 For NP model delay starting of spindle motor is supported by the CHANGE DEFINITION command only 3 To set the setting terminals on NC models to short apply voltage ranging between 0 3 V and 0 8 V to the setting terminals externally To set the setting terminals on NC models to open apply voltage ranging between 2 0 V and 5 5 V to the setting terminals from an external source Refer to Subsection 3 1 10 START STOP UNIT 1B of the SCSI Logical Interface Specifications for details of the START STOP UNIT command C141 E270 3 Write protect When the write protect function is enabled on NP model writing to the disk medium is disabled Table 5 4 Write protect setting NP model Pin
85. n the internal test space the write read test can be executed with an arbitrary pattern for a disk drive in which user data is stored Maintenance See Section 5 1 and 6 5 for notes on packaging and handling when returning the HDD ACAUTION Data loss Save data stored on the HDD to other media before requesting repair Fujitsu does not assume responsibility if data is corrupted during servicing or repair Precautions Take the following precautions to prevent injury during maintenance and troubleshooting ACAUTION High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power C141 E270 99 Electrical shock To avoid shocks turn off the power before connecting or disconnecting a cable connector or plug Never touch the HDDs while power feeding Take the following precautions to prevent disk drive damage during maintenance and troubleshooting ACAUTION Damage A Always ground yourself with a wrist strap connected to ground before handling ESD Electrostatics Discharge may cause the damage to the device To prevent electrical damage to the HDD turn the power off before connecting or disconnecting a cable connector or plug Never remove a PCBA Never use a conductive cleaner to clean the HDDs Ribbon cables are marked with a colored line Connect the ribbon cable to a cable connector with
86. nector 80 pin SCA2 connector O NC model Data bus parity Data bus CRC Disconnection reconnection function 0 to 15 Jumper selection NP model LUN logical unit number 0 fixed 8 bit SCSI Single ended type 20 MB s max Ultra 2 type 40 MB s max 16 bit SCSI Single ended type 40 MB s max Ultra 2 Wide type 80 MB s max U160 LVD type 160 MB s max U320 LVD type 320 MB s max 8 MB 512 to 528 bytes Fixed length O Provided x Not provided Synchronous Data block length Logical data length Physical data length 4 1 The driver mode Single ended or LVD changes automatically by Diffsence signal level 2 1MB s 1 000 000 bytes s 3 1MB 1 048 576 bytes 4 Refer to 13 of Section 1 1 C141 E270 29 This page is intentionally left blank CHAPTER 3 DATA FORMAT 3 1 Data Space 3 2 Logical Data Block Addressing 3 3 Defect Management This chapter explains data space definition logical data block addressing and defect management on the HDD 3 1 Data Space The HDD manages the entire data storage area divided into the following three data spaces e User space Storage area for user data e Internal test space Reserved area for diagnostic purposes e System space Area for exclusive use of HDD itself The user space allows a user access by specifying data These spaces can be accessed with the logical data block addressing method described in Section
87. nostics by issuing the SEND DIAGNOSTIC command The initiator specifies the execution of self diagnostics by setting for the SelfTest bit on the CDB in the SEND DIAGNOSTIC command and specifies the test contents with the UnitOfl bit When the UnitOfl bit on the CDB is set to 0 the HDD executes the hardware function test only once When UnitOfl bit is set to 1 the HDD executes the hardware function test seek positioning test and data write read test for the Internal test space only once a Error recovery during self diagnostics During the self diagnostics specified by the SEND DIAGNOSTIC command when the recoverable error is detected during the seek or the write read test the HDD performs the error recovery according to the MODE SELECT parameter value read write error recovery parameter additional error recovery parameter which the initiator specifies at the time of issuing the SEND DIAGNOSTIC command Operation of self diagnostics The self diagnostics continues when the error is recovered The self diagnostics terminates normally so far as the unrecoverable error is not detected The self diagnostics continues when the error is recovered If the unrecoverable error is not detected the consecutive tests are executed till last test but the self diagnostics terminates with error The error information indicates that of the last recovered error C141 E270 97 b Reporting result of self diagnostics and error indication
88. nsidering of an increase of up to 200 mA A method of power supply to the terminating resistor is selected with a setting terminal on the HDD NP model only See Subsection 5 3 2 for this selection For the electrical condition of supplying power to the terminating resistor refer to Section 1 4 Electrical Requirements of the SCSI Physical Interface Specifications Noise filter To eliminate AC line noise a noise filter should be installed at the AC input terminal on the HDD power supply unit The specification of this noise filter is as follows e Attenuation 40 dB or more at 10 MHz e Circuit construction T configuration as shown in Figure 4 12 is recommended C141 E270 57 Input O 680 000 C Output Om 000 0 Figure 4 12 noise filter recommended 4 3 Connection Requirements 4 3 1 SCA2 connector type 16 bit SCSI model NC model 1 Connectors Figure 4 13 shows the locations of connectors on the SCA2 connector type 16 bit SCSI model NC model SCSI connector CN1 including power supply Figure 4 13 NC connectors location 58 C141 E270 2 SCSI connector and power supply connector The connector for the SCSI bus is an unshielded SCA 2 connector conforming to SCSI 3 type which has two 40 pin rows spaced 1 27 mm 0 05 inch apart The power connector is included in the SCSI connector Figure 4 14 shows the SCSI connector See Section B 1 in Appendix B for signal assignment
89. or CN2 62 C141 E270 3 External operator panel connector Signals a 16 bit SCSI ID3 ID2 ID1 IDO Input signals CN1 A1 A5 A7 pin and CN2 02 04 06 08 pin These signals are used for providing switches to set the SCSI ID of the HDD externally Figure 4 20 shows the electrical requirements For the recommended circuit examples see Subsection 4 3 4 5 VDC 10 CN1 A7 or CN2 08 mes CNI AS or CN2 06 gt CN1 A3 or CN2 04 ID lt Dya CN1 A1 or CN2 02 Bp Input level ID3 ID2 ID1 IDO 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC 15 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC Open 14 0 to 0 4 VDC 0 to 0 4 VDC Open 0 to 0 4 VDC 13 0 to 0 4 VDC 0 to 0 4 VDC Open Open 12 0 to 0 4 VDC Open 0 to 0 4 VDC 0 to 0 4 VDC 11 0 to 0 4 VDC Open 0 to 0 4 VDC Open 10 0 to 0 4 VDC Open Open 0 to 0 4 VDC 9 0 to 0 4 VDC Open Open Open 8 Open 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC 7 Open 0 to 0 4 VDC 0 to 0 4 VDC Open 6 Open 0 to 0 4 VDC Open 0 to 0 4 VDC 5 Open 0 to 0 4 VDC Open Open 4 Open Open 0 to 0 4 VDC 0 to 0 4 VDC 3 Open Open 0 to 0 4 VDC Open 2 Open Open Open 0 to 0 4 VDC 1 0 141 270 Figure 4 20 16 bit SCSI ID external input 63 b Fault LED Output signal CN1 A2 pin 64 The HDD indicates that the
90. ot be used use a package with shock absorption so that the HDD is free from direct shocks In this case fully protect the PCBAs and interface connector so that they are not damaged Delivery a When delivering the HDD provide packaging and do not turn it over b Minimize the delivery distance after unpacking and avoid shocks and vibrations with cushions For the carrying direction at delivery use one of the mount allowable directions in Subsection 4 2 2 Storage a Provide moistureproof packaging for storage b The storage environment must satisfy the requirements specified in Subsection 2 1 3 when the HDD is not operating c To prevent condensation avoid sudden changes in temperature C141 E270 5 2 Connections Figure 5 1 shows examples of connection modes between the host system and the HDD For the 16 bit SCSI up to 16 devices including the host adapter HDD and other SCSI devices can be connected to the SCSI bus in arbitrary combinations Install a terminating resistor on the SCSI device connected to both ends of the SCSI cable See Section 4 3 for the cable connection requirements and power cable connections 1 Connecting one HDD Host Adapter SCSI cable C141 E270 73 2 Connecting more than one HDD single host Host Host SCSI cable system Adapter Other SCSI device Figure 5 1 SCSI bus connections 1 of 2 3 Connecting more than one HDD multi host Host SCSI cable a
91. pair Original Equipment Manufacturer 125 P N PCBA PER PLO Sync PMI RCD RH RST S N SCSI SCT SEL SelfTest TB TPI UnitOfl VCM WCE 126 P Parts Number Printed Circuit Board Assembly Post ERror Phase Lock Oscillator Syncronous Partial Medium Indicator R Read Cache Disable REQuest Relative Humidity ReSeT S Serial Number Small Computer System Interface SeCTor SELect Self Test Signal Ground Save Page SPindle Motor T Transfer Block Tracks Per Inch U Unit Offline V Voice Coil Motor W Write Cache Enable C141 E270 INDEX 16 bit SCSI ID external 63 16 bit SCSI interface connector 61 68 pin type LVD 16 bit 121 8 bit SCSI 16 bit SCSI sess 14 A AC Moiseflter cots ok hate eo 58 acoustic MOISE i eenen 17 23 aCLUator esee eerie er 18 additional sense 113 additional sense code qualifier 113 addressing of peripheral device 20 air circulation recirculation filter breather filter jenene 18 allowable input voltage 53 ltern te area estere 39 alternate block allocation 40 alternate block allocation by REASSIGN BLOCKS
92. pair 9 10 of CN2 GND WTP Write operation is enabled Open 1 Write operation is disable Set at factory shipment For NC model the function of the write protect setting is not supported 4 Setting of the SCSI interface operation mode By establishing a short circuit between CN2 15 amd CN2 16 on NP model the SCSI interface operation mode is forcibly set to the single ended mode When this setup terminal is open the HDD automatically identifies the DIFFSNS signal level on the SCSI bus and the HDD SCSI interface operation mode is set to the operation mode Table 5 5 Setting of the SCSI interface operation mode NP model Onerati n mode Pin pair 15 16 of CN2 pe GND DIFFSENS Follows the DIFFSNS signal level on the SCSI bus Open 1 Set at factory shipment For NC model the function of the SCSI interface operation mode is not supported so the SCSI interface operation mode follows the level of the DIFFSNS signal on the SCSI bus 5 Setting the bus width of the SCSI interface By establishing a short circuit between CN2 13 and CN2 14 on NP model the bus width for the SCSI interface is forcibly set to the 8 bit bus mode This setup terminal must be set in order to guarantee the physical level of the SCSI interface s upper bus DB8 15 P1 inside the HDD only when the top level bus DB8 15 P1 for the HDD SCSI interface is not connected to the external part of the HDD Table 5 6 Setting the bus width of the
93. r must be within the HDD specifications Must be handled on an anti static mat Bottom mounting Side mounting 2 5 y f d 42 5 or more HDD Ww DE Y 2 5 or more 4 A X bus 2 5 or more A PCBA System Frame System Frame 45 08 K 7 E E Screw EN 45 08 3 System Frame System Frame Details of A Details of B Uniti mm Figure 4 4 Mounting frame structure 3 Limitation of side mounting Use the four screw holes at the both ends on the both sides as shown in Figure 4 5 Do not use the center hole by itself In case of using the center hole it must be used in combination with two holes on both ends Total six screws for six holes enclosed C141 E270 51 Holes for mounting screw In case of using a center hole use it in combination with the holes of both ends Holes for mounting screw Use four holes No 1 to No 4 to mount Figure 4 5 Limitation of side mounting 4 Limitation of bottom mounting Use all four mounting holes on the bottom face 5 Environmental temperature Temperature condition at installed in a cabinet is indicated with ambient temperature measured 30 mm from the disk drive At designing the system cabinet consider following points e Make a suitable air flow so
94. red the HDD executes the initial self diagnosis again C141 E270 The HDD does not reply to the SCSI bus for up to 2 seconds after the initial self diagnostics is started After that the HDD can accept the I O operation request correctly but the received command except the executable commands under the not ready state such as INQUIRY START STOP UNIT is terminated with the CHECK CONDITION status NOT READY 2 logical unit is in process of becoming ready 04 01 or logical unit not ready initializing command required 04 02 during the interval from the spindle motor becomes stable to the HDD becomes ready The executable command under the not ready state is executed in parallel with the initial self diagnostics or is queued by the command queuing feature and is executed after completion of the initial self diagnostics When the command that comes under the exception condition of the command queuing is issued at that time the HDD posts the BUSY status for the command When the error is detected during the initial self diagnostics the CHECK CONDITION status is posted for all commands that were stacked during the initial self diagnostics For the command execution condition refer to Section 1 4 Command Queuing Function and Subsection 1 7 4 Command processing in the not ready state of the SCSI Logical Interface Specifications 2 Online self diagnostics SEND DIAGNOSTIC command The initiator can make the HDD execute self diag
95. rocedure for the mode that the motor starts when power is turned on Figure 5 5 shows for the mode that the motor starts by the START STOP command In these recommended checking procedures following items are checked Note Following steps a to d correspond to a to d in Figures 5 4 and 5 5 a Issue the TEST UNIT READY command and check that the HDD is connected correctly to the SCSI bus and the initial operation after power is turned on ended normally The command issue period of the TEST UNIT READY command shall be more than 20 ms b Tocontrol starting of the spindle motor from the host system issue the START STOP UNIT command to start the spindle motor Check the SCSI bus operations with the WRITE BUFFER and READ BUFFER commands Use data whose data bus bits change to 0 or 1 at least once Example Data with an increment pattern of X 00 to X FF d Start the HDD self diagnostic test with the SEND DIAGNOSTIC command and check the basic operations of the controller and disk drive C141 E270 Motor starts when power is turned on For Figure 5 5 No report UNIT ATTENTION report mode SCSI standard TEST UNIT READY command Self test 1 Unit Of 1 No parameter Timeout 60 s or more REQUEST SENSE command 2 Processing when the lt command ended with CHECK CONDITION status Including execution time Abnormal end of initial self diagnostics REQUEST SENSE command
96. ror Test results OK Table 6 3 Normal Figure 6 1 Test flowchart C141 E270 103 6 3 104 Operation Check Initial seek operation check If an error is detected during initialization by the initial seek operation check routine at power on the spindle motor of the HDD stops and then the HDD becomes unusable For an explanation of the operation check before the initial seek refer to the Section 5 6 Operation test While the host computer is processing data the HDD monitors HDD operation including data processing command processing and seek operations If the HDD detects an error the HDD posts the error to the initiator The initiator then posts the error to the user The user may detect an intermittent or nonfatal error such as abnormal noise abnormal odor or very slow operation An error posted in an operation test must be investigated The user can replace the HDD to see whether the error was caused by the HDD Often errors posted in an operation test may be caused by the host system Possible causes include insufficient power capacity loose cable connection insufficient timing or insufficient mechanical play and problems related to other systems If an operation error is detected by the error detection circuit of the HDD an interrupt occurs The interrupt is posted to the MPU on the PCBA The MPU stops the currently processed command and causes the CHECK CONDITION status to post the error
97. s on the connector For details on the physical electrical requirements of the interface signals refer to Sections 1 3 Physical Requirements and Section 1 4 Electrical Requirements of the SCSI Physical Interface Specifications Figure 4 14 SCA2 type 16 bit SCSI connector 3 Connector for external operator panel This connector is not available for NC model drives C141 E270 59 4 3 2 68 pin connector type 16 bit SCSI model NP model 1 Connectors Figures 4 15 show the locations of connectors and terminals on the 68 pin connector type 16 bit SCSI model NP model e Power supply connector e SCSI connector e External operator panel connector External operator panel connector CN2 Power supply connector External operator panel connector CN1 SCSI connector CN1 Figure 4 15 NP connectors and terminals location 2 SCSI connector and power supply connector a 16 bit SCSI The connector for the SCSI bus is an unshielded P connector conforming to SCSI 3 type which has two 34 pin rows spaced 1 27 mm 0 05 inch apart Figure 4 16 shows the SCSI connector See Section B 2 in Appendix B for the signal assignments on the SCSI connector For details on the physical electrical requirements of the interface signals refer to Sections 1 3 Physical Requirements and Section 1 4 Electrical Requirements of the SCSI Physical Interface Specifications 60 C141 E270 Pin 34 J Pin 1
98. self is the same as one in REASSIGN BLOCKS command Certification is permitted when DCRT flag is cleared DCRT flag 0 in FORMAT UNIT command The HDD checks all initialized logical data blocks by reading them out after the above alternate block allocation is made to initialize format the disk C141 E270 2 Alternate block allocation by REASSIGN BLOCKS command When the REASSIGN BLOCKS command is specified the alternate block is allocated to the defective logical data block specified by the initiator by means of alternate sector treatment The alternate block is allocated to unused spare sectors in the alternate cylinder Figure 3 8 is examples of the alternate block allocation by the REASSIGN BLOCKS command Example Reassign Block 16 Alternate sector Alternate cylinder 7 14 8 15 21122 23 24 nrepresents a logical data block number Defective sector s Unused spare sector Figure3 8 Alternate block allocation by REASSIGN BLOCKS command 3 Automatic alternate block allocation e Automatic alternate block allocation at read operation Ifthe ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the HDD automatically executes the alternate block allocation and data duplication on the defective data block detected during the READ or READ EXTENDED command This allocation method is the same as with the REASSIGN BLOCKS
99. sequence a The order of the power on off sequence of 5V DC and 12V DC supplied to the HDD does not matter b Inasystem which uses the terminating resistor power supply signal TERMPWR on the SCSI bus the requirements for 5V DC given in Figure 4 9 must be satisfied between the HDD and at least one of the SCSI devices supplying power to that signal SCSI device supplying power to TRMPWR 5VDC IDD 5VDC Figure 4 9 C141 E270 T120 T220 Power on off sequence 1 55 Ina system which does not use the terminating resistor power supply signal TERMPWR on the SCSI bus the requirements for 5 VDC given in Figure 4 10 must be satisfied between the HDD and the SCSI device with the terminating resistor circuit SCSI devices with the terminating resistor 5VDC IDD 5VDC Ti 20 T220 Figure 4 10 Power on off sequence 2 d Between the HDD and other SCSI devices on the SCSI bus the 5 VDC power on off sequence is as follows e na system with its all SCSI devices designed to prevent noise from leaking to SCSI bus when power is turned on or off the power sequence does not matter if the requirement in b or c is satisfied e system containing an SCSI device which is not designed to prevent noise from leaking to the SCSI bus the requirement given in Figure 4 11 must be satisfied between that SCSI device and the HDD SCSI devices without noise leaking designed 5VDC ID
100. shooting is usually required if the error cause is not known If the error cause is clear e g abnormal noise in DE or burning of the PCBA troubleshooting is straightforward 6 4 2 Troubleshooting with HDD replacement in the field At this level of maintenance we recommend replacing the HDD as a unit If replacing the HDD rectifies the fault return the removed HDD to Fujitsu for test and repair If the newly installed HDD does not rectify the fault another part of the system is faulty Table 6 2 summarizes system level field troubleshooting Troubleshooting must be done in the field to find faulty part HDD or system C141 E270 105 Table6 2 System level field troubleshooting DC power cable Check that the power cable is correctly connected to the disk drive and power supply unit DC power level Check that the DC voltage is within the specified range 2 594 Check that 5V DC supply is from 4 75 to 5 25V DC For NC model check the voltage between pin 36 and 76 of the SCSI connector For NP model check the voltage between pin 3 and 4 of the power connector Check that 12V DC supply is from 11 4 to 12 6V DC For NC model check the voltage between pin 1 and 2 of the SCSI connector For NP model check the voltage between pin 1 and 2 of the power connector Electrical noise Make sure the maximum ripple peak to peak value of 5V DC is within 250 mV and 12V DC is within 250 mV Make sure the high frequency noise over 20 MHz
101. site referring to the recommendation if necessary HDD ZQ Approx 3000 1 x LED 5V 2 for 16 bit SCSI 1 For connecting the external LED to CN2 Figure 4 23 External operator panel circuit example 68 C141 E270 C141 E270 IMPORTANT Do not connect the external LED to both 1 and CN2 Connect it to either of them 69 This page is intentionally left blank CHAPTER 5 INSTALLATION Notes on Handling HDDs Connections Setting Terminals Mounting HDDs Connecting Cables Checking Operation after Installation and Preparing the HDDs for Use Dismounting HDDs This chapter describes the notes on handling HDDs connections setting switches and plugs mounting HDDs connecting cables confirming drive operations after installation and preparation for use and dismounting HDDs 5 1 Notes on Handling HDDs The items listed in the specifications in Table 2 1 must be strictly observed 1 General notes a Do not give the HDD shocks or vibrations exceeding the value defined in the specifications because it may cause critical damage to the HDD Especially be careful when unpacking b Do not leave the HDD in a dirty or contaminated environment c Since static discharge may destroy the CMOS semiconductors in the HDD note the following after unpacking e Usean antistatic mat and body grounding when handling the HDD e Hold the DE when handling the HDD Do not touch any components on
102. st contents of self diagnostics are as follows a Hardware function test This test checks the basic operation of the controller section and contains following test e RAM microcode is stored e Peripheral circuits of microprocessor MPU e Memory ROM e Data buffer b Seektest This test checks the positioning operation of the HDD using several seek modes 2 points seek 1 position sequential seek etc The positioning operation is regarded as success when the seek operation to the target cylinder is completed c Wirite read test This test checks the write read function by using the Internal test space of the HDD Initial self diagnostics When power is turned on the HDD starts initial self diagnostics The initial self diagnostics checks the basic operations of the hardware functions If an error is detected in the initial self diagnostics the LED on the HDD blinks at 0 4 second intervals In this status the HDD posts the CHECK CONDITION status to all I O operation requests other than the REQUEST SENSE command When the CHECK CONDITION status is posted the initiator should issue the REQUEST SENSE command The sense data obtained with the REQUEST SENSE command details the error information detected with the initial self diagnostics Even if CHECK CONDITION status and sense data are posted the LED continues blinking Only when the power is turned off or re turned on this status can be cleared When this status is clea
103. stributor or OEM engineer Factory maintenance parts replacement e This replacement can only be done by Fujitsu e Replacement includes maintenance training OEM engineer support OEM engineers usually support retail dealers and distributors e Replacement uses factory tools and test equipment C141 E270 101 6 2 4 6 2 5 102 Tools and test equipment HDD troubleshooting and repair in the field require only standard SCSI tools No special tools or test equipment are required This manual does not describe the factory level tools and test equipment Tests This HDD can be tested in the following ways e Initial seek operation check See Subsection 6 3 1 e Operation test See Subsection 6 3 2 e Diagnostic test See Subsection 6 3 3 Figure 6 1 shows the flow of these tests C141 E270 Sa v Start self test by turning the power on Check host system Test results OK p Table 6 2 Analyze system related error Host system normal Execute an operation test using a host computer or test equipment Replaced or repair HDD Test results OK No HDD normal Continue operation Yes Execute diagnostic test using a host computer or test equipment Test results OK Test using voltage or temperature stress v No Analyze HDD er
104. t Setat factory shipment IMPORTANT C141 E270 1 To set the setting terminals on NC models to short apply voltage ranging between 0 3 V and 0 8 V to the setting terminals externally To set the setting terminals on NC models to open apply voltage ranging between 2 0 V and 5 5 V to the setting terminals from an external source 2 Set the SCSI ID so that there are no duplicates between SCSI devices the same SCSI bus 3 The priority of SCSI bus use in ARBITRATION phase is determined by SCSI ID as follows 7 gt 6 gt 5 gt 4 gt 3 gt 2 gt 1 gt 0 gt 15 gt 14 gt 13 gt 12 gt 11 gt 10 gt 9 gt 8 77 5 3 2 1 2 78 Each mode setting Setting terminator power supply Refer to Table 5 2 for controlling the supply of power from the drive to the SCSI terminator power source TERMPOW For information on NP model refer to Figures 5 2 and 5 3 Table 5 2 Setting SCSI terminator power supply NP model Supply on off of SCSI terminator power from Pin pair 23 24 of CN2 HDD TRMPOW TRMPOW Supply off Open Supply on Short 1 Set at factory shipment For NC model the function of the terminator power supply setting is not supported Motor start mode Set how to control the starting of the HDD spindle motor according to Table 5 3 This setting only determines the operation mode when the power supply is turned on or the microcode is downloaded In both modes stopping or restarting the spindle
105. ternate block allocation during FORMAT UNIT command execution When the FORMAT UNIT command is specified the allocation of the alternate block to those defective sectors included in the defect list P G or D is continued until all spare sectors in the same cell are used up When they are used up unused spare sectors in the alternate cylinder are allocated to the defective sectors that follows the sector by means of alternate sector treatment Figure 3 7 is examples of the alternate block allocation during the FORMAT UNIT command execution C141 E270 41 42 aay 1 Example 2 s s X 9 10 1 12 14 15 ws Sector slip Sector slip 8191101 12 14 15 16 17 18 19 20 21 22123 X 25 25 26 27 SD 90800 ung pm 050 6000 E 100 Em Alternate cylinder 11 12 BOD Cone nrepresents a logical data block number Alternate cylinder Defective sector Unused spare sector Figure 3 7 Alternate block allocation by FORMAT UNIT command During FORMAT UNIT command alternate block allocation is conducted in following cases 1 Unrecovered write offtrack condition during a media write 2 Uncorrectable Data Error during a media read certification 1 If above errors are detected during FORMAT UNIT command the HDD allocates the alternate block s to the defective data blocks Reassign procedure it
106. the colored wire connected to pin 1 Never open the HDD for any reason 6 2 2 Maintenance requirements 1 Preventive maintenance Preventive maintenance is not required 2 Service life See 3 Service life in Section 2 1 5 3 Parts that can be replaced in the field The PCBA cannot be replaced in the field The DE cannot be replaced in the field 100 C141 E270 4 6 2 3 1 Q Service system and repairs Fujitsu has the service system and repair facility for the HDD Contact Fujitsu representative to submit information for replacing or repairing the HDD Generally the following information must be included a HDD model part number P N revision number serial number S N and date of manufacturing b Error status e Date when the error occurred e System configuration e Environmental conditions temperature humidity and voltage c Error history d Error contents Outline of inconvenience Issued commands and specified parameters Sense data Other error analysis information See Section 5 1 for notes on packing and handling when returning the disk drive Maintenance levels If an HDD is faulty replace the whole HDD since repair requires special tools and environment This section explains the two maintenance levels Field maintenance HDD replacement e This replacement is done at the user s site e Replacement uses standard tools e Replacement is usually done by the user retail dealer di
107. the following cables See Section 4 3 for further details of the requirements for HDD connector positions and connecting cables e Power cable e SCSI cable e External operator panel cable if required for NP model The general procedures and notes on connecting cables are described below Especially pay attention to the inserting orientation of each cable connector A CAUTION Damage 1 Make sure that system power is off before connecting or disconnecting cables 2 Do not connect or disconnect cables when power is on except NC model a Connect power cable b Connect the external operator panel if required for NP model c Connect the SCSI cable d Fix the cables so that they do not touch the DE and PCAs or so that the smooth flow of the cooling air in the system cabinet 1s assured A CAUTION Damage 1 careful of the insertion orientations of the SCSI connectors With the system in which terminating resistor power is supplied via the SCSI cable if the power is turned on the overcurrent protection fuse of the terminating resistor power supplier may be blown or the cable may be burnt if overcurrent protection is not provided When the recommended parts listed in Table 4 2 are used inserting the cables in the wrong orientation can be prevented 2 To connect SCSI devices be careful of the connection position of the cable Check that the SCSI device with the terminating resistor is the last device connected to th
108. to the initiator When receiving the CHECK CONDITION status the initiator issues a REQUEST SENSE command to collect detailed information about the error The initiator then issues a REZERO UNIT command to return the read write head to track 00 In normal processing the HDD itself or initiator determines how to handle the error processing retry or stop To analyze the error posted in the operation test reconstruct the conditions in which the error occurred Then start troubleshooting the whole host system by replacing the HDD Diagnostic test The diagnostic test is executed to find a faulty subassembly in a faulty HDD or to check HDD performance This test is usually a combination of specific disk drive functions or group of functions This test may be executed using a different host computers or test equipment and away from the environment where the error first occurred To analyze the error posted in the diagnostic test reconstruct the conditions in which the error occurred Then look for a possibly faulty subassembly or part of the HDD The procedures to be used in this test depend largely on the type of test equipment used and are not covered by this manual C141 E270 6 4 Troubleshooting 6 4 4 Outline of troubleshooting procedures This section explains the troubleshooting procedures for HDD errors Depending on the maintenance level analyze the error to detect a possibly faulty part HDD or HDD part Full scale trouble
109. uit example 68 external operator panel connector 62 127 F factory maintenance sese 101 field maintenance sees 101 finding possibly faulty part 108 format capacity 38 format parameter 88 FORMAT UNIT command 88 formatting eee m 87 G CAPS CK m 37 general note ac eR Ap 71 H hardware function test sess 96 hardware structure 18 HDD teplaceiment acne eee RU 101 HDD troubleshooting 107 head zie eee 18 head 35 high speed data 15 high speed positioning esses 17 initial seek operation check 104 initial self diagnostic sss 96 installation seen 71 72 installation requirement ees 47 Irit rface test iuo tee etus 99 internal test space 33 L large capacity 17 leak magnetic flux 53 limitation of bottom mounting 52 limitation of side mounting 51 52 logical data block addressing 38 M In mtenance c ooo datio sete tells 99 maintenance level
110. urface of the disk using the P lists verifies data blocks after initialization and allocates an alternate block for a defect block detected with verification With initialization the pattern specified with the initialization data pattern field is written into all bytes of all logical data blocks Only the position information of defect blocks detected with verification is registered in the G list The specifications are as follows a Specifying CDB Specify 0 for the FmtData bit and the CmpLst bit on CDB 000 for the Defect List Format field and data pattern written into the data block at initialization for the initializing data pattern field b Format parameter When the values in step a are specified with CDB the format parameter is not needed C141 E270 5 6 4 Setting parameters The user can specify the optimal operation mode for the user system environments by setting the following parameters with the MODE SELECT or MODE SELECT EXTENDED command Error recovery parameter Disconnection reconnection parameter Caching parameter Control mode parameter With the MODE SELECT or MODE SELECT EXTENDED command specify 1 for the SP bit on CDB to save the specified parameter value on the disk This enables the HDD to operate by using the parameter value set by the user when power is turned on again When the system has more than one initiator different parameter value can be set for each initiator When the parameters are not s
111. urrent waveform sseeeeeeeee 54 55 cylinder configuration sess 32 D data format entente 31 data space teen eres 31 default mode setting by CHANGE DEFINITION command 80 detect rei deine 40 defect management sss 40 defective block 17 definition of sense 115 e DR dts 72 diagnosis sui ee ete RR OR Ee itd 17 diagtostlC a x Ret e eee utis 95 diagnostic test 104 disconnection reconnection parameter 91 a 18 disk read error os Saee Sean tel 116 dismounting HDD sse 93 E each mode setting 78 EC n ten 37 environmental protection sess 14 environmental 25 environmental temperature 52 environmental power requirement 25 26 error analysis 113 error information indicated with sense data 115 EITO Tate acie eee dec inesse 26 CIOL TECOVELY 16 error recovery during self diagnostic 97 error recovery parameter 90 external dimension eese 47 external magnetic 1 53 external operator panel circ
112. wing ANSI 1 standards Document number Title T10 1236D Rev 20 NCITS 351 2001 SCSI Primary Commands 2 SPC 2 T10 996D Rev 8c NCITS 306 1998 SCSI 3 Block Commands SBC T10 1157D Rev 24 SCSI Architecture Model 2 SAM 2 T10 1365D Rev 10 SCSI Parallel Interface 4 SPI 4 1 ANSI American National Standard Institute In case of conflict between this manual and any referenced document this manual takes precedence Compliance with Administration on the Control of Pollution Caused by Electronic Information Products of the People s Republic of China RT BU ints RE le INE CR 39 5 Mp i ete 2006 E 2 A 28 AAAI E TAR Ur is ee hl 7 YE WA SJ T11364 2006 FB FAR Br is hill by WA BE Re fe nn EB A P d BRA Dp FL SB RESORT m a EA ER HR SE AS Br nn s a SU PP BRA RIRAC BRAT ER m SER BU SR TU MIC K IKIER Cr VD mua x RZE SHOE ISSUE OA EL P EYE SJ T 11363 2006 RE RERU F LEE A S OB PB SJ T 11363 2006 AY bie et BER e This product is shipped as a component to manufacture the final products Therefore the packaging material code provided in GB18455 2001 is not marked on any packaging part of this product C141 E270 PREFACE This manual
113. write protect status is in effect CN1 A12 is connected to the GND or the CN2 9 and CN2 10 are short circuited A signal for driving the LED is output HDD 74LS06 or equivalent 1500 2 gt IMPORTANT This signal is temporarily driven at the GND level when the micro program reads the SCSI ID immediately after the power supply to the HDD has been switched on it is possible to set up the SCSI ID by short circuiting CNI A1 and CN1 A2 CN1 A6 reserved This pin is temporarily driven at the GND level when the micro program reads the SCSI ID immediately after the power supply to the HDD has been switched on it is possible to set up the SCSI ID by short circuiting CN1 A3 and CN1 A4 and CN1 A5 CN1 A6 This pin gets high impedance status except above LED and LED 5V Output signals CN1 A8 pin and CN2 21 22 pin These signals drive the external LED as same as LED on the front of the disk drive The electrical requirements are given in Figure 4 21 IMPORTANT 1 The external LED is identical in indication to the LED on the front of the HDD The LED blinks during command execution 2 Any load other than the external LED see Subsection 4 3 5 should not be connected to the CN2 21 22 LED V and LED terminals 3 This signal is temporarily driven at the GND level when the micro program reads the SCSI ID immediately after the power supply to the HDD has been switched
114. y errors or suggestions for improvement Please send this form to the address below We will use your comments in planning future editions Address Fujitsu Learning Media Limited 37 10 Nishikamata 7 chome Oota ku Tokyo 144 0051 JAPAN Fax 81 3 3730 3702 Organization Name C141 E270 01EN This page is intentionally left blank e FUJITSU
115. ying the type of error that was detected This is 1 byte of information reported to the initiator by the target device when execution of each command is completed which displays the command s completion state This is the SCSI device that executes the input output operations initiated by the initiator C141 E270 AC ACK ARRE ATN AWG AWRE BPI BSY C D CDB CmpLst CRC CYL DC DCR DCRT DE DevOfl DPO DTE ECC EER FG FIFO FmtData C141 E270 Acronyms and Abbreviations A Alternating Current ACKnowledge Automatic Read Reallocation Enabled ATteNtion American Wire Gauge Automatic Write Reallocation Enabled B Bits Per Inch BuSY C Control Data Command Descriptor Block Complete List Cyclic Redundancy Check CYLinder D Direct Current Disable CoRrection Disable CeRtificaTion Disk Enclosure Device Offline Disable Page Out Disable Transfer on Error E Error Correction Code Enable Early Recovery F Frame Ground First In First Out Format Data Gbps HDC HDD ID T O LED LSI LUN MEEPRML MPU MR MSG MTBF MTTR OEM G Gigabits per second H Hard Disk Controller Hard Disk Drive IDentifier Input Output L Light Emitting Diode Large Scale Integration circuit Logical Unit Number Modified Enhanced Extended Partial Response Maximum Likelihood MicroProcessor Unit Magnetro Resistive MeSsaGe Mean Time Between Failure Mean Time To Re

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