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Fujitsu MAP3147NC/NP User's Manual

1. 6 13 6 4 3 Troubleshooting at the repair 5 2 nennen 6 15 6 4 4 Troubleshooting with parts replacement in the factory sss 6 16 6 4 5 Finding possibly faulty 2 eene ener enne enne 6 16 CHAPTER 7 ERROR ANALYSIS e eeeeeeeeee sesenta sensn tasto statutes esta senes tasses enses enata sean 7 1 7 1 Error Analysis Information Collection essere 7 1 Sense data aate Ie m LR Sede S RR ERO 7 1 7 1 2 Sense key sense code and subsense code 7 1 7 2 Sense Data Analysis nnne nennen enne ener 7 3 7 2 1 Error information indicated with sense data sese 7 3 7 2 2 Sense data 3 0 03 4 40 xx 4 44 xx and 4 C4 xx sse 7 4 7 2 3 Sense data 1 1x xx 3 1x xx and E 1D 00 Disk read 7 4 7 2 4 Sense data 5 2 5 30 00 5 90 00 B 47 xx B 49 00 B 4D xx and B 4E 00 SCSI interface 7 4 APPENDIX A SETTING TERMINALS eene eee eene tn oath tn eta tts tasa tns A 1 A 1 Setting Terminals on NP model A 2 APPENDIX CONNECTOR SIGNAL ALLOCATION eeeeee ense enn tnen B 1 1 SC
2. 5 13 5 6 1 Confirming initial operations nennen enne 5 13 5 6 2 Checking SCSI connection sese bd de na 5 14 5 6 3 GBormattng eter erento e t t ottenuto ete 5 17 5 64 Setting Parameters ess RE ON Md 5 19 5 7 Dismouriting noe EN dette trt 5 23 5 8 Spare Disk Drive sene dv en ted ete iet duet 5 23 CHAPTER 6 DIAGNOSTICS AND MAINTENANCE 6 1 6 1 6 1 6 1 1 Self diagnostics iiec RR RE UR e eget 6 1 6 1 2 oH RARO ate o P e ERES HU ee en Pha nie 6 4 6 2 Maintenance Information eene etre nnne 6 5 62 1 Precautions oe ete ettet UR a 6 5 6 222 Maintenance requirements deese ep ONE RE EUR ERR etas 6 6 6 37 Maintenance ovel e READ ETE ERE HRS 6 8 2 6 9 6 2 5 Tools and test equipmient bte Ada 6 10 6 2 6 IIR IRR Ut IN 6 10 6 3 Operation Check ate a tet e ee p e E 6 12 6 3 1 Initial seek operation check 6 12 6 3 2 Operation testor Brun Sun a nue Huit 6 12 C141 E166 6 3 3 Diagnostic docere o ERU pe rei Pel i Re Nueve gente 6 12 6 4 Troubleshooting 2 neret 6 13 6 4 1 Outline of troubleshooting procedures 6 13 6 4 2 Troubleshooting with disk drive replacement in the 1
3. 1 4 revision label sees 6 9 revision number 6 9 S SCA2 type LVD 16 bit B 2 SCA2 type SCSI 4 12 SCSI bus configuration 1 10 SCSI bus connection 5 4 SCSI cable connection 4 19 2 3 SCSI connector signal allocation B 2 B 3 SCSI function 2 7 SCSI ID setting eee see 5 6 5 7 SCSI interface error sss 7 4 SCSLstandard 5 ense 1 2 sector 6 026 ecb ettet ttt 3 7 seek test etre teer 6 2 self diagnostic 6 1 self diagnostic function sss 6 1 SEND DIAGNOSTIC command 6 3 sense data 7 1 7 4 sense data analysis sese 7 3 sense key sense code and subsense code 7 1 service clearance 4 6 service life ice 6 6 service system and 6 7 setting bus width of SCSI interface 5 9 setting check list NP model only 5 11 C141 E166 setting of SCSI interface operation mode
4. 5 9 setting 5 19 setting SCSI terminator power supply 5 8 setting terminal esses 5 5 1 setting terminal on NP model only A 2 setting terminal location 5 5 setting terminator power supply 5 8 spare area in cell sees 3 5 spare disk drive 5 23 Specification o ee Eee RIEN 2 1 spindle 1 7 standard feature 1 2 START STOP 5 13 start stop of spindle motor 1 5 EA 5 2 surface temperature check point 4 6 surface temperature measurement point 4 6 system configuration 1 9 SPACE nae a 3 4 system level field troubleshooting 6 14 T 1 5 6 10 test flowchart sese 6 11 test PLO STAN cer reete 6 4 tool and test 6 10 track esce eh 3 5 track skew and head 3 6 troubleshooting at repair site 6 15 troubleshooting procedure 6 13 troubleshooting with disk drive replacement in 6 13 troubleshooting with part replacement in factory
5. 0G O 000 US Figure 4 12 AC 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 C141 E166 4 11 2 SCSI connector and power supply connector The connector for the SCSI bus 15 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 in Appendix for signal assignments on the connector For details on the physical electrical requirements of the interface signals refer to Sections 1 3 and 1 4 in 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 4 12 C141 E166 4 3 0 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 Power supply connector NI cay External operator panel connector SCSI connector Figure 4 15
6. C141 E166 02EN MAP3147NC NP MAP3735NC NP MAP3367NC NP DISK DRIVES PRODUCT MAINTENANCE 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 HEREIN WHETHER EXPRESSED
7. 2 2 S 2 2 gt 6 6 6 64 6 6 3 3 3 C141 E166 B 3 This page is intentionally left blank INDEX 12 VDC 4 8 7 4 16 bit SCSI ID external input 4 16 16 bit SCSI interface connector 4 14 03 eee pais 7 4 7 4 4940 XC 7 4 7 4 7 4 7 4 5 37 00 iet heh ornant te cease 7 4 3 90 00 osea aeo iei 7 4 68 pin type LVD 16 bit SCSI B 3 8 bit SCSI 16 bit 1 2 A AC NOISE eee eric n e eeepc 4 11 actuator sce erede eed 1 7 addressing of peripheral device 1 10 air circulation recirculation filter breather filter 1 8 allowable input voltage and current 4 8 alterhi te area iie iter reet 3 10 alternate block allocation 3 11 alternate block allocation by REASSIGN BLOCKS 3 14 alternate block allocation during FORMAT UNIT command execution 3 12 alternate cylinder sess 3 5 alternate spare area see 3 4 automatic alternate block allocation 3 14 automatic alternate block allocation at write operation sese 3 15 automatic alternate block reassignment 1 4 B Ege PL EE 7 4 B
8. 3 Check to ensure that the DE is not touching the frame on the system side after tightening the screws At least 2 5mm of clearance 1s required between the DE and the frame Indicated in Figure 4 4 4 When an electric driver is in use less than device specifications must be used C141 E166 5 11 5 5 Connecting Cables Connect the IDD and system with the following cables See Section 4 3 for further details of the requirements for IDD 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 1f 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 1 assured A CAUTION Damage 1 Be 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
9. 7 1 1 7 1 2 Error Analysis Information Collection Sense data When IDD 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 IDD generates sense data about the command issuing INIT The INIT can read the sense data by issuing a REQUEST SENSE command 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 INIT 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 the SCSI Logical Interface Specifications Sense key sense code and subsense code If an error is detected in a disk drive the error status is indicated in the sense data collected from the disk drive Figure 7 1 shows the positions of a sense key sense code and subsense code C141 E166 7 1 7 2 Basic information Additional information X 70 or X 71 error code ap xw _ CE WIS eee 2 Information X 28 additional sense data length Command specific information SKSV Sense key specific information CETT r CDB operation code Figure 7 1 Detail information Format of extended sense data C141 E166 7 2 Sense Data Analysis 7 2 1 Error information indicated with sense data Subsection 7 2 2 onwards explain troubleshooting using sens
10. C141 E166 4 19 4 3 3 Cable connector requirements Table 4 2 lists the recommended components cable connection Table 4 2 Recommended components for connection Applicable Par number Manufacturer Reference model 1 Tyco Electronics SCSI connector CN1 ADIS POTEET DHJ PAC68 2AN DDK SCSI cable CN1 closed end type ww Signal cable P0 635 Tyco Electronics Cable socket housing 1 480424 0 Tyco Electronics Cabe AWGI8t024 HIROSE Cable socket housing A3B 12D 2C ELECTRIC xternal operator HIROSE Cabe AWG26 039 FUJITSU E Cable socket housing FCN 723J024 2M TAKAMIZAWA xternal operator FUJITSU abe AWG28 boos 7 NC 1 See Figure 4 22 1 SCSI cable See Section 1 3 Physical Requirements and Section 1 4 Electrical Requirements in SCSI Physical Interface Specifications 2 Power cable IDDs 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 IDD because no fasten tab dedicated to SG is provided with the IDD 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 4 20 C141 E166 4 External operator panel NP model only The external operator panel is installed only when required
11. For setting terminals location see Section 5 3 The NC model drives do not require the following check Table 5 8 Setting check list NP model only Setting Setting contents Setting terminal Check item position Check Remarks Ng SCSI ID SCSI ID Upper bus DB 8 to 15 PI not connected 5 10 s ston Open Cs Moor sanmode __ 2 11 12 s ston Open Da Fore Narow ON2 13 14 s ston Open supply 5 4 Mounting procedures Since mounting the drive 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 Subsection 4 1 for the details of requirements for installing the IDD 1 With a system to which an external operator panel is mounted if it is difficult to access the connector after the drive is mounted on the system cabinet connect the external operator panel cable before mounting the drive 2 Fix the drive in the system cabinet with four mounting screws as follows e drive has 10 mounting holes both sides 3 x 2 bottom 4 Fix the drive by using four mounting holes of both sides or the bottom See Figure 4 5 e Use mounting screws whose lengths inside the drive mounting frame are 5 0 mm or less when the screws are tightened see Figure 4 4 e When mounting the drive be careful not to damage parts on the PCAs
12. 3 System Configuration This chapter describes the feature and configuration of the MAP series intelligent disk drives IDD IDDs are high performance large capacity 3 5 type fixed disk drives with an embedded SCSI controller The MAP series disk drives support the Small Computer System Interface SCSI as described in the ANSI SCSI SPI 4 T10 1365D Rev 7 to the extent described in this manual The flexibility and expandability of the SCSI as well as the powerful command set of the IDD 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 SCSI Logical Interface Specifications for details C141 E166 1 1 1 1 1 2 3 4 Standard Features Compactness Since the SCSI controller circuit is embedded in the standard 3 5 type fixed disk drive form factor the IDD is extremely compact The IDD can be connected directly to the SCSI bus of the host system SCSI standard The IDD 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 disk drive This allows software to accommodate future expansion of system functions 8 bit SCSI 16 bit SCSI The IDD has 16 bit
13. 4 22 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 7 1 C141 E166 16 bit SCSI TD external teme iem e pet sies 4 16 Output signal for external LED nennen 4 18 SCSI cables connection 4 19 External operator panel circuit 1 4 21 SGSLbus connections s eR 5 4 Setting terminals location on NP models 5 5 CN2 setting terminal on NP models only sse 5 6 Checking the SCSI connection 5 15 Checking the SCSI connection 5 16 Revisioi label eus tenu ugue ttbi utei ua 6 9 Indicating revision numbers a id ee rt deed petite ied didi 6 10 Test flowchart i eene eR acdsee 6 11 Format of extended sense data sse nennen enne 7 2 xiii Table 2 1 Table 2 2 Table 2 3 Table 2 4 Table 3 1 Table 3 4 Table 4 1 Table 4 2 Table 5 1 Table 5 2 Table 5 3 Table 5 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 xiv TABLES page Model names and order numbers essent ener 2 1 Function specifications MR He ERG RI Pe ien 2 2 Environmental power requirements essere nennen nnne nnne nnne nnns 2 4 SCSI function spec
14. 49 00 hee rhe 7 4 BADIK 3 aen Ped antes te pe eoe eek 7 4 0 0 nno hetero 7 4 basic operation test 6 5 BORG sensn noahen tri gr ite pes 3 8 block address of user 3 10 bock descriptor see 5 17 C141 E166 cache feat fe rte Hee 1 3 caching parameter 5 22 changing revision number in field 6 9 check before mounting esses 5 11 check items at illegal operation 5 13 checking at abnormal end 5 17 checking procedure sess 5 14 checking SCSI connection 5 14 5 15 5 16 CNT Reiter iini Ue B 2 B 3 CN2 setting terminal sees A 2 command queuing feature 1 3 COMPACINESS vee 1 2 confirming initial operation 5 13 confirming operation after installation and preparation for 5 13 connecting 5 12 CONNECHON 5 3 connector signal allocation B 1 continuous block processing 1 3 control mode 5 22 controller circuit esee 1 8 current waveform 4 8 cylinder configuration se
15. BLOCKS command 3 14 NG extemal dimensions iet RE eee e i e BR aa aes 4 2 NP external dimensions 21 it epe ed HOD EGRE det ode legen cet 4 3 Pp cites n bre tet 4 4 Mounting frame structure e e RE eda 4 5 Limitation of side mounting sssrinin e a e a i 4 5 Surface temperature measurement points eren 4 6 Service clearance area Ob tei Dad efe feeit 4 7 Spin up current waveform 12 nennen 4 8 Power on off sequence T 45 2 eI tert 4 8 Power on off sequence 2 nennen enne nennen enne 4 9 Power on off sequence 3 speret eei tee b p e te dud 4 9 AC noise filter recommended sss nennen enne nennen 4 11 NG connectors loc tion o o pee nte pee ela ed dedi oben 4 11 SCA2 type 16 bit SCSI connector sess eene 4 12 NP connectors and terminals location cccseseesceceeseeeeseeseesesseeeeseceeeseeaeesesseeseeseeatenes 4 13 68 pin type 16 bit SCSI interface nene 4 14 Power supply connector 68 pin type 16 bit SCSI sss 4 14 External operator panel connector CN1 sssssssssssssseeeeeeeenene enne 4 15 External operator panel connector 2 4 15 C141 E166 Figure 4 20 Figure 4 21 Figure
16. Drive selection address Check that the disk SCSI ID is set correctly Plug setup Check that the jumpers on the PCA 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 disk drive If the AC voltage level is abnormal or there 1 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 disk drive If replacing the disk drive does not eliminate the error the removed disk drive is probably not faulty To continue error analysis refer to the hardware and software manuals supplied with the system 6 14 C141 E166 6 4 5 Troubleshooting at the repair site For maintenance at this level we recommend additional testing of the disk drive and signal checking The sense data posted from the IDD 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 ho
17. 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 2002 C141 E166 REVISION RECORD Edition Date published Revised contents 02 July 2002 Table 2 1 1 partly modified Specifications of Table 2 2 and 2 3 are partly modified Specifications in Figure 3 1 an
18. 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 and 1 4 in the SCSI Physical Interface Specifications C141 E166 4 13 00000000000000000000000000000000 00000000000000000000000000000000 2 54mm DUO us 635mm Figure 4 16 68 pin type 16 bit SCSI interface connector 1 00mm e 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 5 VDC Figure 4 17 Power supply connector 68 pin type 16 bit SCSI 3 SG terminal The IDD 1s 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 b
19. SCSI cable connection e All connectors including other SCSI devices are connected correctly e terminating resistor is mounted on both ends of the cable e Poweris 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 disk drive is formatted with a specific default data format for each model part number when shipped from the factory the disk need not be formatted initialized 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 or number of cylinders in the user space e Alternate spare area size This section outlines the formatting at installation Refer to Chapters 3 and 6 of 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 o
20. cables Do not connect or disconnect cables when power is on except NC model C141 E166 Mounting Installation Damage 1 Becareful 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 Data loss When the SEND DIAGNOSTIC command terminates with the CHECK CONDITION status the INIT 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 Caution To avoid shocks turn off the power before connecting or disconnecting a cable connector or plug To avoid injury do not touch the mechanical assembly during disk drive operation Do not use solvents to clean the disk drive Caution 1 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
21. damage to the disk drive turn the power off before connecting or disconnecting a cable connector or plug Do not remove a PCA This operation is required to prevent unexpected or unpredictable operation Do not use a conductive cleaner to clean a disk drive assembly Ribbon cables are marked with a colored line Connect the ribbon cable to a cable connector with the colored wire connected to pin 1 Damage Never open the disk enclosure in the field Opening the disk enclosure may cause an irreparable fault Data loss Save data stored on the disk drive before requesting repair Fujitsu does not assume responsibility if data is destroyed during servicing or repair C141 E166 MANUAL ORGANIZATION PRODUCT MAINTENANCE MANUAL This manual SCSI Physical Interface Specifications SCSI Logical Interface Specifications C141 E166 General Description Specifications Data Format Installation Requirements Installation Diagnostics and Maintenance Error Analysis SCSI Bus SCSI Message SCSI Bus Error Recovery Processing Command Processing Data Buffer Management Command Specification Sense Data and error Recovery Procedure Disk Medium Management vil This page is intentionally left blank CONTENTS page CHAPTER1 GENERAL DESCRIPTION eeeeeeee eene etn en tnstn tas tn ets tasa en 1 1 1 1 Standard Features oo d
22. 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 e 8 bit SCSI 8 drives max option for NP model e 16 bit SCSI 16 drives max High speed data transfer Such a high data transfer rate on the SCSI bus can be useful with the large capacity buffer in the IDD e 8 bit SCSI The data transfer rate on the SCSI bus is 40 MB s maximum at the synchronous mode 6 bit SCSI data transfer rate on the SCSI bus is 320 MB s maximum at the paced transfer synchronous mode C141 E166 5 6 7 8 Note The maximum data transfer rate in asynchronous mode may be limited by the response time 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 IDD can perform continuous rea
23. e D list Data defect list This list consists of defect location information specified in a FORMAT UNIT command by the INIT at the initialization of the disk This information 1s recorded in the system space of the disk drive 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 INIT information on defective logical data blocks assigned alternate blocks by means of IDD automatic alternate block allocation information specified as the D list and information generated as the C list They are recorded in the system space on the disk drive The INIT 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 IDD The INIT can access 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 either spare sectors in a cell or alternate cylinders See Subsection 3 1 2 for details The INIT can specify the size and area for spare sectors by the MODE SELECT command at the time of the initialization of the disk Both of the following are applicable to the alternate bl
24. field Data field DATA1 DATA4 User data 1s stored in the data field of the sector The length of the data field 1s 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 1 the 60 byte code that allows detection and correction of errors in the data field which 1 capable of correcting the single burst error up to 240 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 reading writing C141 E166 3 1 5 32 Format capacity The size of the usable area for storing user data on the IDD format capacity varies according to the logical data block or the size of the spare sector area Table 3 4 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 i
25. for the system When connection is not required leave open the following pins in the external operator panel connector of the IDD 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 site referring to the recommendation if necessary IDD 20 Approx 3000 1 C x LED 5V 2 for 16 bit SCSI 1 For connecting the external LED to CN2 Figure 4 23 External operator panel circuit example C141 E166 4 21 IMPORTANT Do not connect the external LED to both CNI and CN2 Connect it to either of them 4 22 C141 E166 CHAPTER 5 INSTALLATION Notes on Handling Drives Connections Setting Terminals Mounting Drives Connecting Cables Confirming Operations after Installation and Preparation for Use Dismounting Drives Spare Disk Drive This chapter describes the notes on handling drives connections setting switches and plugs mounting drives connecting cables confirming drive operations after installation and preparation for use and dismounting drives 5 1 Notes on Handling Drives The items listed in the specifications in Table 2 1 must be strictly observed 1 General notes a Do not give the drive shocks or vibrations exceed
26. frame of the system b Asshownin Figure 4 4 the inward projection of the screw from the IDD frame wall at the corner must be 5 0 mm or less c Tightening torque of screw must be secured with 0 59N m 6kgf cm 4 12 d Impact caused by the electric driver must be within the device specifications e Must be handled on an anti static mat 4 4 C141 E166 Bottom mounting Side mounting 2 5 or more 2 5 or more 2 5 0p cs dM more A B DE DE y 5 7 Sues f System Frame of system cabinet cabinet 5 0 or less 2 5 6 p CLS 2 61 S x 25 A screw more screw Details of A Details of B Unit mm Figure 4 4 Mounting frame structure 2 Limitation of side mounting Mount the IDD using the 4 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 2 holes on both ends Total 6 screws for 6 holes enclosed Holes for mounting screw Do not use these holes Holes for mounting screw Use four holes No 1 4 to mount Figure 4 5 Limitation of side mounting 3 Limitation of bottom mounting Use all 4 mounting holes on the bottom face C141 E166 4 5 4 Environmental temperature Temperature condition at installed in a cabinet is indicated with ambient temperature measured 30 mm from the disk dri
27. from the same INIT the error information sense data 1 cleared b When an error is detected in the hardware function test the IDD 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 IDD executes the initial self diagnostics again see item 1 Refer to Chapter 3 of SCSI Logical Interface Specifications for further details of the command specifications A CAUTION Data loss When the SEND DIAGNOSTIC command terminates with the CHECK CONDITION status the INIT 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 6 1 2 Test programs The basic operations of the IDD 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
28. or READ EXTENDED command This allocation method is the same as with the REASSIGN BLOCKS command alternate sector treatment C141 E166 e Automatic alternate block allocation at write operation If AWRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the IDD executes the automatic alternate processing during WRITE command processing as described below 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 c SA and defect map
29. self diagnosis the LED blinks The spindle motor does not start rotating until the START STOP UNIT command for the start is issued The INIT 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 60 seconds after the START STOP UNIT command is issued At this time the IDD 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 E166 Check that cables are mounted correctly Check that power and voltages are supplied correctly measure them with the IDD 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 5 6 2 1 d Ifan error 15 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 IDD 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 IDD is connected to the SCSI bus from the host system Although ch
30. surface temperature 40 C or less 5 years DE surface temperature 41 C to 45 C 4 5 years DE surface temperature 46 C to 50 4 years DE surface temperature 51 C to 55 C 3 5 years DE surface temperature 56 C to 60 3 years DE surface temperature 61 C and more Strengthen cooling power so that DE surface temperature is 60 C or less Even if the IDD is used intermittently the longest service life is 5 years Note The average DE surface temperature means the average temperature at the DE surface throughout the year when the is operating T2 C T1 C gt lt gt tl t2 T1xt1 T2xt2 A DE surf ture verage DE surface temperature Data security at power failure Integrity of the data on the disk 1 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 C141 E166 2 2 SCSI Function Specifications Table 2 4 shows the SCSI functions provided with the IDD Table 2 4 SCSI function specifications Single ended type HVD type High Voltage Differential requirements _ Position where the terminating 1 Single ended type resistor is mounted on the PCA Position where the terminating TERMPWR signal send function 68 pin P cable connector O NP model Connector 80 pin SCA2 connector O NC model Data bus parity Data bus CRC Disconnection
31. 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 the cable C141 E166 5 6 Confirming Operations after Installation and Preparation for use 5 6 Confirming initial operations This section describes the operation check procedures after power is turned on Since the initial operation of the IDD 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 IDD 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 IDD status is idle the LED remains off when the initiator accesses the IDD 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 d e When power is turned on the LED blinks an instant and the IDD executes initial self diagnosis If an error is detected in the initial
32. the following test items in the test program 1s recommended to test the IDD functions generally 6 4 C141 E166 1 2 3 4 6 2 6 2 1 Interface SCSI bus test The operations of the SCSI bus and data buffer on the IDD are checked with the WRITE BUFFER and READ BUFFER commands Basic operation test The basic operations of the IDD 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 in 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 Information Precautions Take the following precautions to prevent injury during maintenance and troubleshooting ACAUTION 1 To avoid shocks turn off the power before connecting or disconnecting a cable connector or plug 2 avoid injury do not touch the mechanical assembly during disk drive operation 3 Do not use solvents to clean the disk drive Take the following precautions to prevent disk drive damage during maintenance and troubleshooting C141 E166 6 5 6 2 2 1 Q 6 6 ACAUTION 1 Always ground yourself with a wrist strap connected to ground before handling ESD Electrostatics Dis
33. to the interval of the byte clock for each zone Therefore the physical sector length cannot be described with a byte length C141 E166 3 5 Q 3 6 5 99 msec INDEX _ ens pulse Sector nu ILO TL pulse Servo frame MM i lt gt n n ntm n r Clock Clock Clock Clock Clock unused n 241 zone 0 408 zone 17 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 1 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 head switching location in a cylinder 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 cylinder switching location like the head switching location the first logical data block in a cylinder is allocated at the sector position which locates the head skew behind the last logical sector position in the preceding cylinder The last logical sector in the cylinder is allocated when formatting and is an unused spare sector C141 E166 L Cylinder skew Track 0 1 2 os fs 1 INDEX 1 Cylinder m aum 1 2n 3 ptl LBA Logical data
34. vH a ete 4 1 4 3 External dimensions ur 4 1 4 1 2 Mounting ie ER ete E rete 4 4 4 3 Notes on mounting 5 5 S TRA Ree nte eee e oe edm 4 4 4 2 Power Supply Requirements nennen nnne nnne 4 8 4 3 Connection Requirements eee dn ttai edere tete 4 11 4 3 1 SCA2 connector type 16 bit SCSI model NC model sss 4 11 C141 E166 4 3 2 68 pin connector type 16 bit SCSI model NP model sss 4 13 4 3 3 Cable connector requirement nnns 4 20 4 3 4 External operator panel on NP model drives only ssseeene 4 21 CHAPTER 5 INSTALLATION eere eee ee enean neta oreson enean ent KESE teen Ens 5 1 5 1 Notes on Handling Drives Gee ce ttti ee ed 5 1 52 inq ecu d EORR ESO 5 3 5 3 Setting Terminals etie e ied p rH 5 5 2 3 SCST ID Setting EE E 5 6 5 3 2 Each mode setting sse aee e OT RETRO TUNER E e dn 5 8 53 3 Mode en RC ee 5 10 5 4 Mounting Dives ic RA alee ee estu 5 11 5 4 1 Check before mounting 5 11 5 4 2 Mounting procedures tenete netta unti iam oto etes 5 11 5 5 Connecting Cables nus c OR ORE I EROR RIT EY 5 12 5 6 Confirming Operations after Installation and Preparation for
35. 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 Open Open Open 0 Figure 4 20 16 bit SCSI ID external input 4 16 C141 E166 b Fault LED Output signal CN1 A2 pin The IDD indicates that the 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 IDD 741 806 or equivalent 150 Q CNI A2 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 IDD has been switched on it is possible to set up the SCSI ID by short circuiting CNI Al and CN1 A2 c CNI 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 IDD has been switched on it is possible to set up the SCSI ID by short circuiting CN1 A3 and CN1 A4 and CN1 A5 and CN1 A6 This pin gets high impedance status except above d LED and LED 5V Output signals CN1 A8 pin and CN2 21 22
36. 0G 2 ms Altitute 300 m to 3 000 m ee us 0 65 A 0 42 A 0 33 A Average 3 0A Peak within Power requirements Input power 5 Ripple 7 5 V 12 250 mVp p 1 For detail condition see Section 4 1 2 Vibration applied to the drive is measured at near the mounting screw hole on the frame as much as possible 3 At random seek write read and default on retry setting with log sweep vibration 2 4 C141 E166 44 5 6 7 1 Q 1 At power off state after installation Vibration displacement should be less than 2 5 mm Input voltages are specified at the drive connector side during drive ready state The terminator power pin SCSI connector which supplies power to other terminators is not used See Section 4 3 High frequency noise over 20 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 medium equally Unrecoverable error rate Errors which cannot be recovered within 63 retries and ECC correction should not exceed 1 per 10 bits A CAUTION Data loss For MAP series Reed Solomon codes are applied for their ECC The sector data is divided into 6 interleaving sectors and ECC is performed in each sector where the maximum number of errors up to 5 byte can be corrected Total maxim
37. 33073 Caen WARRANTY VOIO IE ANY LAGER peer m FUJITSU LIMITED Figure 6 1 Revision label 1 Indicating revision number at factory shipment When the disk drive is shipped from the factory the revision number is indicated by deleting numbers in the corresponding letter line up to the corresponding number with see Figure 6 2 2 Changing revision number in the field To change the revision number because parts are replaced or other modification is applied in the field the new level is indicated by enclosing the corresponding number in the corresponding letter line with O see Figure 6 2 C141 E166 6 9 IMPORTANT When the revision number is changed after the drive is shipped from the factory Fujitsu issues Engineering Change Request Notice in which the new revision number is indicated When the user changes the revision number the user should update the revision label as described in item 2 after applying the modification At shipment DATE 2002 04 ODE REV MADE IN PHILIPPINES Rev A2 REV ND 62 3 4 5 789 789 Qo WARRANTY VOID IF LABEL SCREv 15 REMOVED OR BROKEN Revising at field DATE 2002 04 REV A MADE IN PHILIPPINES REV NO gt 204 56183 8012345678939 Qv ss WARRANTY VOIO IF AWY LABEL lt CREW 13 REMOVED OR BROKEN Figure 6 2 Indicating revision numbers 6 2 5 Tools and test equipment Disk drive
38. ALS 1 Setting Terminals on NP model only This appendix describes setting terminals C141 E166 1 1 Setting Terminals on NP model only Table A 1 2 setting terminal on NP model drives only Pins Setting item Setting contents ae Os Oren Oren Sron ston ore irem Short Open Short Open SCSIID 5 to 8 bit and 16 bit SCSI Open Short Short Open SCSIID 6 to 8 bit and 16 bit SCSI Open SCSIID 7 to 8 bit and 16 bit SCSI Short SCSIID 8 16 bit SCSI only Short SCSIID 49 16 bit SCSI only Short SCSIID410 16 bit SCSI only Short SCSIID 11 16 bit SCSI only Short SCSIID 12 16 bit SCSI only Short SCSIID413 16 bit SCSI only Short SCSIID 14 16 bit SCSI only SCSIID 15 16 bit SCSI only Write protect Write operation is enabled Write operation is disabled Pins DIE cc NOS 11 12 13 14 15 16 23 24 Motor start mode Started by the START STOP command n n n n O i rs rt O i rt O 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 settin
39. Cyl div The start time is the time from power on or start command to when the IDD is ready and the stop time is the time for disks to completely stop from power off or stop command This value indicates at ready mode 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 host 15 devices case The maximum data transfer rate may be restricted to the response speed of initiator and by transmission characteristics The terminator power pin SCSI connector which supplies power to other terminators is not used C141 E166 2 3 2 1 3 Environmental specifications Table 2 3 lists environmental and power requirements Table2 3 Environmental power requirements Item Specification Operating Non operating Temperature Transp ort 40 to 70 C 1 within week DE surface temperature 5 to 60 at operating 15 C h or less Operating 5 to 95 RH Non operating 5 to 95 RH Transport mns a week Maximum wet bulb temperature Operating 3 0 3 mm 5 to 20Hz 9 8 m s 1G 20 to 300 Hz or less Non operating 4 3 1 mm 5 to 20Hz 49m s 5G 20 to 300Hz or less Transport packaged 3 1 mm 5 to 20 2 49 5 5G 20 to 300Hz or less 637 4m s 650 2 ms 29 no condensation Shock 2 1961 3m s 2006 2 ms Transport packaged 1961 3m s 20
40. D itself or INIT 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 disk drive Diagnostic test The diagnostic test is executed to find a faulty subassembly in a faulty disk drive or to check disk drive 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 disk drive 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 E166 6 4 6 4 1 6 4 2 Troubleshooting Procedures Outline of troubleshooting procedures This section explains the troubleshooting procedures for disk drive errors Depending on the maintenance level analyze the error to detect a possibly faulty part disk drive or disk drive part Full scale troubleshooting is usually required if the error cause 1 not known If the error cause 15 clear e g abnormal noise in disk enclosure or burning of a PCA troubleshooting is straightforward Troubleshooting w
41. Ds perform input output operation as specified by SCSI devices which operate as initiator LUN 0 fixed SCSI bus Host System se IDD C gt A 6 14 0 ae M LUN 0 LUN7n Controller d 2 FIM Controller 3 Controller 4 12 Host Host System adapter Controller 5 13 7 15 dn SCSLID for 8 bit SCSI Zn SCSI ID for 16 bit SCSI Figure 1 4 System configuration C141 E166 1 9 1 Q 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 1 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 4 For input output operation a peripheral device attached to the SCSI bus that operates as target 1 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 inp
42. E odeur ie E E e a URGE 1 2 1 2 Hardware Structure oe s te D OUR 1 6 1 3 System Configuration oci t ee taire d vt e e tenet 1 9 CHAPTER SPECIFICATIONS eer eas 2 1 2 1 Hardware Specifications sen e E E D HERE 2 1 2 1 Model name and order 2 1 2 132 Eunction specifications ed orte eedem vein rel ied 2 2 2 1 3 Environmental specifications nnne nnne 2 4 2 1 4 rErrorrate dc Ae eet eti nee iMi 2 5 21552 T Reliability s 2 5 2 2 SCSI Function Specifications essen eren nennen nennen nns 2 7 CHAPTER3 ane pn eren enun 3 1 3 1 Data Space MC ERE 3 1 3 11 Cylinder configur tion ettet epe 3 1 3 1 2 Alternate spare area isses ege eR TR HET RE HR ER RES 3 4 3 b3 a EEUU 3 5 331 4 Sector format uon ett dn a te ap e cdot eeepc 3 7 3 15 Format capacity 3 9 3 2 Logical Data Block 3 9 3 3 Defect Managements 3 11 2 e e A 3 11 32 Alternate block allocation ete prre te e e ees 3 11 CHAPTER4 INSTALLATION REQUIREMENTS e eeeeeeee eene enean tata theta tns tnsaene 4 1 4 1 Mounting Requiremehts m deco
43. RE Automatic alternate block allocation at Write ARRE TB EER PER DCR Parameter operation Automatic alternate block allocation at read operation Uncorrectable data transfer to the INIT 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 Immediate correction of recoverable error PER DTE DCR Parameter Report of recovered error Stop of command processing at successful error recovery Suppression of ECC error correction Retry count at verification c Additional error recovery parameters page code 21 Retry count at seek error 5 20 Parameter 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 E166 Notes 1 The user can arbitrarily specify the following parameters according to the system requirements e ARRE e 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 foll
44. SI Connector Signal Allocation SCA2 type LVD 16 bit B 2 B 2 SCSI Connector Signal Allocation 68 pin type LVD 16 bit B 3 INDEX cectesSicccsacsstestostsseesacsssscssstcccedesscecesagesccesensecasepececesessvasesaboagecszseseossasacsosasassosbeseussassossseteetts IN 1 C141 E166 xi Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 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 xii FIGURES page NG model drives outer Vie W ses n ehe be ete 1 6 NP model drives outer VieW 1 6 Disk head configuration tee ee ei etre ege ede eva ge ivt 1 7 System configur tion 1 9 Cylinder configuration ees e n ee e d ee eris 3 2 Spare areainicell ea Re dere RR ERG rn be d bees 3 5 Alternate cylinder icd soe eo e D RP 3 5 Prack formatas eher et er ete era 3 6 Track skew head Skew loea eet 3 7 SECLOETOLIDAU aco cA io n e oen S n t tee ede ire mate ee nes 3 7 Alternate block allocation by FORMAT UNIT command 3 13 Alternate block allocation by REASSIGN
45. ache Enable 1 enabled e MS Specifying the multipliers of minimum 0 Specifying prefetch and maximum prefetch parameters absolute value DISC Prefetch operation after track switching during 1 enable prefetching Number of blocks for which prefetch is suppressed X FFFF Minimum prefetch X 0000 Maximum prefetch X XXXX 1 cache segment Number of blocks with maximum prefetch restrictions X FFFF Number of 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 the 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 The following parameters are used to control the tagged queuing and error logging 5 22 C141 E166 a Control mode parameters Parameter Default value Queue algorithm modifier 0 Execution sequence of read write commandis is optimized QErr Resume or abort remaining suspended 0 command is commandis after sense pending state resumed DQue Disabling tagged command queuing 0 enabled 5 7 Dismounting Drives Since dismounting the drive to check the setting terminals chang
46. agnetic field ssss 4 7 external operator panel circuit example 4 21 external operator panel connector 4 15 F factory maintenance parts replacement 6 8 field maintenance disk drive replacement 6 8 finding possibly faulty part 6 16 format Capacity sisses 3 9 format of extended sense data 7 2 format 5 18 FORMAT UNIT 5 18 5 17 G n a 3 8 general description eseseseeesesseesreserrssrserseee 1 1 general not see 5 1 H hardware function test sssesssss 6 2 hardware structure 1 6 heads RERO eM 1 7 high speed data 1 2 high speed 1 4 indicating revision number 6 10 indicating revision number at factory shipment sss 6 9 initial seek operation check 6 12 initial self diagnostic sss 6 2 installation eene 5 1 installation requirement eese 4 1 installation removal replacement 5 2 interface SCSI bus 6 5 IN 2 internal
47. al location 4 13 NP external 1 5 4 3 NP model drive outer view 1 6 online self diagnostic 6 3 operation check sse 6 12 operation test sese 6 12 outline of troubleshooting procedure 6 13 output signal for external LED 4 18 P packaging ied tend ee 5 2 Seas Sine eek ee US 3 8 pase coded 5 20 page code SZ e n en 5 21 codes 5 20 C141 E166 physical sector allocation 3 5 PLO SYNC na r 3 8 positioning error rate sse 2 5 power on off sequence 4 8 4 0 power supply connector 4 14 power supply 4 8 precaution 6 5 preventive 6 6 programmable data block length 1 4 programmable multi segment data buffer 1 3 R random sequential read test 6 5 read wrte CICULI 1 8 read write error recovery parameter 5 20 recommended component for connection 4 20 reliability eee 2 5 reporting result of self diagnostic and error indication sess 6 3 reserve and release function
48. andard TEST UNIT READY e command No REQUEST SENSE command Yes TEST UNIT READY command Ne GOOD status Yes Timeout a lt 60 s or more Yes REQUEST SENSE command For Figure 5 5 WRITE BUFFER command READ BUFFER command Compare data Yes Self test 1 Unit Of 1 No parameter SEND DIAGNOSTIC command Yes GOOD status 2 REQUEST SENSE command Processing when the command ended with CHECK CONDITION status 9 Including execution time of initial self diagnostics Figure 5 4 C141 E166 Abnormal end Checking the SCSI connection A Motor starts by START STOP command a TEST UNIT READY command ems Yes REQUEST SENSE command UNIT ATTENTION No report report mode SCSI standard b 4 No NOT READY 9 s o T Yes START STOP UNIT command Immed 0 Executing time about 60 seconds Includin of initial GOOD status ne gt To Figure 5 4 g executing time Abnormal end self diagnostics REQUEST SENSE command Figure 5 5 Checking the SCSI connection B C141 E166 Q 5 6 3 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 of SCSI Logical Interface Specifications for further details b Check the following items for the
49. aving operation for the MODE SELECT parameter is not executed 50 if the user does not set parameters the IDD operates according to the default value of each parameter 2 The model select parameter is not saved for each SCSI ID of but as the common parameter for all IDs In the multi INIT System parameter setting cannot be changed for each INIT 3 parameters are saved the saved value is effective as long as next saving operation is executed from the INIT 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 IDD to which the saving operation has been executed a system is connected to another system the user must pay attention to that the IDD operates according to the saved parameter value if the saving operation is not executed at installation C141 E166 5 19 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 INIT 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 IDD internal error recovery a Read write error recovery parameters page code 1 AW
50. block address i 7 Track skew Figure3 5 Track skew head skew Leading logical sector in head 1 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 IDD automatically determines appropriate values for the track skew factor and the head skew factor according to the specified logical data block length The value can be read out by the MODE SENSE or MODE SENSE EXTENDED command after the track has been formatted 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 SCT PLO Servo SCT PLO sM1 DATAL SM2 DATA3 PLO SM1 SM2 DATA4 BCRC ECC 1 Gl Syne PAD G2 Gl iSync G3 Figure 3 6 Sector format Each sector on the track consists of the following fields C141 E166 3 7 1 2 3 4 5 6 7 3 8 Gaps 61 G2 G3 No pattern 1s 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
51. charge may cause the damage to the device 2 prevent electrical damage to the disk drive turn the power off before connecting or disconnecting a cable connector or plug 3 Do not remove a 4 Do not use a conductive cleaner to clean a disk drive assembly 5 Ribbon cables are marked with a colored line Connect the ribbon cable to a cable connector with the colored wire connected to pin 1 Maintenance requirements Preventive maintenance Preventive maintenance such as replacing air filters is not required A CAUTION Damage Never open the disk enclosure in the field Opening the disk enclosure may cause an irreparable fault Service life See 3 Service life in Section 2 1 5 C141 E166 3 Parts that can be replaced in the field The PCA cannot be replaced in the field The DE cannot be replaced in the field 4 Service system and repairs Fujitsu has the service system and repair facility for the disk drive Contact Fujitsu representative to submit information for replacing or repairing the disk drive Generally the following information must be included a IDD 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 da
52. d subsection 3 1 1 1 are partly modified Specification of mounting screw in subsection 4 1 1 1s added Procedures of spindle motor startup in section 4 2 4 is modified Section 4 3 is revised Section 5 3 is revised Length of mounting screw in subsection 5 4 2 is modified Troubleshooting in Table 6 2 is added APPENDIX A and B are revised Specification No C141 E166 EN C141 E166 1 Related Standards Product specifications and functions described in this manual comply with the following ANSI 1 standards Document number Title T10 1236D Rev 20 SCSI Primary Commands 2 SPC 2 NCITS 351 2001 T10 996D Rev 8c SCSI 3 Block Commands SBC NCITS 306 1998 T10 1157D Rev 20 SCSI Architecture Model 2 SAM 2 T10 1365D Rev 7 SCSI Parallel Interface 4 SPI 4 ANSI American National Standard Institute In case of conflict between this manual and any referenced document this manual takes precedence ii C141 E166 PREFACE This manual describes the MAP3147NC NP MAP3735NC NP and MAP3367NC NP hereafter MAP series 3 5 type fixed disk drives with an embedded SCSI controller This manual details the specifications and functions of the above disk drive 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 fixed disk drives and their use in computer systems The MANUAL ORGANIZATION section describes organizati
53. d write operation when processing data blocks on several tracks or cylinder Programmable multi segment data buffer The data buffer 15 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 IDD 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 by transferring the data from the data buffer without reaccessing the disk in case the subsequent command requests the prefetched data blocks IMPORTANT You should ensure that the cashed data is surely flushed to the disc media before you turn off the drive s power To ensure it you should issue either the SYNCHRONIZE CASHE command or the STOP UNIT command and then confirm that the command is surely terminated with the GOOD STATUS Command queuing feature The IDD can queue maximum 128 commands and optimizes the issuing order of queued commands by the reordering function Th
54. deer nde IN UPPER 6 16 U unpackaging 5 2 unrecoverable error rate 2 5 User SDdCe ace eere eere ees ge des 3 3 V verify error recovery parameter 5 20 W write protect ie eer petet 5 9 write protect setting 5 9 write read 6 2 6 5 IN 3 This page is intentionally left blank Comment Form We would appreciate your comments and suggestions regarding this manual Manual code C141 E166 02EN MAP3147NC NP MAP3735NC NP MAP3367NC NP DISK DRIVES PRODUCT MAINTENANCE MANUAL Please mark each item E Excellent G Good F Fair P Poor Illustration Technical level Glossary Organization Acronyms amp Abbreviations General appearance Clarity Index Accuracy Comments amp Suggestions List any 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 E166 02EN This page is intentionally left blank co FUJITSU
55. e data Table 7 1 lists the definition of sense data For details of sense data refer to the SCSI Logical Interface Specifications Sense Sense Sub key Code Sense Code 03 1 0 C4 x 1 1x XX 3 1 C141 E166 Table 7 1 Definition of sense data Operation was normal A write to a disk terminated abnormally Failed to update the defect list due to a disk medium write error etc An error occurred in power on self diagnosis A hardware error occurred inside IDD A drive error occurred A disk read error occurred A disk read error occurred Data discrepancy found by VERIFY command byte check An SCSI error such as an invalid operation code occurred The Reserve bit of the IDENTIFY message was set to 1 The RESERVE or RELEASE command cannot be executed because the SCSI ID of the INIT was not posted in the SELECTION phase A parity error occurred in the SCSI data bus An unmounted or inappropriate message was received Before completion of a command a command with the same tag number was issued An overlap command was issued 7 3 7 2 2 7 2 3 7 2 4 7 4 Sense data 3 0C 03 4 40 4 44 xx and 4 C4 xx Sense data 3 0C 03 4 40 xx 4 44 xx and 4 C4 xx indicate one of the following e target sector could not be detected using the sector counter e A seek process overran the specified time e A write to a disk terminated abnormally e Anerror occurred
56. e the setting or change the drive depends on the structure of the system cabinet 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 1 recommended before dismounting the drive to make sure the spindle motor completely stops after power was turned off 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 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 drive then remove the drive from the system cabinet f To store or transport the drive keep it in an antistatic bag and provide packing see Section 5 1 5 8 Spare Disk Drive See 2 1 1 name and order number to order a disk drive for replacement or as a spare C141 E166 5 23 This page is intentionally left blank CHAPTER 6 DIAGNOSTICS AND MAINTENANCE Diagnostics Maintenance Information Operation Check Troubleshooting Procedures This chapter describes diagnostics and maintenance information 6 1 Diagnostics 6 1 1 Self diagnostics The IDD has the following self diagnostic function This function checks the basic operations of the IDD e Initial self dia
57. ecking 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 procedure 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 e correspond to a to e in Figures 5 4 and 5 5 a Issue the TEST UNIT READY command and check that the IDD is connected correctly to the SCSI bus and the initial operation after power 1s 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 IDD self diagnostic test with the SEND DIAGNOSTIC command and check the basic operations of the controller and disk drive C141 E166 Motor starts when power is turned on UNIT ATTENTION report mode No report SCSI st
58. ecuted in parallel with the initial self diagnostics or is queued by the command queuing feature and 1 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 IDD posts the BUSY status for the command When the error 15 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 and Subsection 1 7 4 in SCSI Logical Interface Specifications 2 Online self diagnostics SEND DIAGNOSTIC command The INIT can make the IDD execute self diagnostics by issuing the SEND DIAGNOSTIC command The INIT specifies the execution of self diagnostics by setting 1 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 IDD executes the hardware function test only once When UnitOfl bit 1 set to 1 the IDD 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 IDD performs the error recovery according to the MODE SELECT parameter
59. en 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 Short 1 Set at factory shipment IMPORTANT 1 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 on 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 C141 E166 5 3 2 1 2 5 8 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 Set
60. ers Seals on the DE prevent the DE inside from the particle Do not damage or peel off labels C141 E166 4 7 4 2 1 Q Current S500mA div 3 4 8 Power Supply Requirements Allowable input voltage and current The power supply input voltage measured at the power supply connector pin of the IDD 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 8 shows the spin up current waveform of 12 VDC MAP3147NC NP MAP3735NC NP MAP3367NC NP d Current 500mA div Current 500mA div Time 2 sec div Time 2 sec div Time 2 sec div Figure 4 8 Spin up current waveform 12 VDC Power on off sequence a The order of the power on off sequence of 5 VDC and 12 VDC supplied to the does not matter b Ina system which uses the terminating resistor power supply signal TERMPWR on the SCSI bus the requirements for 5 VDC given in Figure 4 9 must be satisfied between the IDD and at least one of the SCSI devices supplying power to that signal SCSI device supplying power 4 0V 4 0V to TRMPWR 5VDC Ti T IDD 4 0V 4 0V 5VDC T 20 T220 Figure 4 9 Power on off sequence 1 C141 E166 c 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 sat
61. ervals to start the spindle motors For details of this command specification refer to SCSI Logical Interface Specifications b Turn on 12 VDC power in the power supply unit at more than 12 second intervals 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 1 78 pin to short SCSIID Delay time of spindle motor starting 0 0 1 125 2 24s 15 180 s Power supply to SCSI terminating resistor If power for the terminating resistor is supplied from the IDD to other SCSI devices through the SCSI bus the current carrying capacity of the 5 VDC power supply line to the must be designed with considering of an increase of up to 200 mA A method of power supply to the terminating resistor 1 selected with a setting terminal on the IDD NP model only See Subsection 5 3 2 for this selection For the electrical condition of supplying power to the terminating resistor refer to Subsection 1 4 2 in SCSI Physical Interface Specifications Noise filter To eliminate AC line noise a noise filter should be installed at the AC input terminal on the IDD 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 E166 Input O 000 000 O Output
62. es 3 2 D data form t 5 sonet oem ee Dire 3 1 data eoe dees 3 1 default mode setting by CHANGE DEFINITION command 5 10 defect list ee teres 3 11 defect management esses 3 11 defective block slipping 1 4 definition of sense 7 3 deliVety teure 5 2 diagnosis tette edet 1 5 eite theme etis 6 1 diagnostic and maintenance 6 1 diagnostic test inesset eere 6 12 disconnection reconnection parameter 5 21 disk urere ne RR 1 7 disk drive troubleshooting 6 15 disk read error senem tec 7 4 dismounting drive sese 5 23 IN 1 E 1D 00 eeu Ee 7 4 each mode 5 8 EGG dese eU dn 3 8 environmental specification 2 4 environmental 4 6 environmental power requirement 2 4 error analysis eec eret 7 1 error analysis information collection 7 1 error information indicated with sense data 7 3 lt Tale cs tert Opt tine 2 5 csset 1 4 error recovery during self diagnostic 6 3 error recovery 5 20 external dimension 4 1 external m
63. es 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 one cylinder and several cylinders alternate cylinders in the user space are allocated as alternate areas according to the user s assignment MODE SELECT command See Subsection 3 1 2 for details C141 E166 3 1 Cylinder 85 Internal test cylinder Internal test space Y l to Cylinder 78 2 Cylinder 73 SAS69 to System space Cylinder 4 y SAO Y Zone Cell Cylinder et 0 0 1 User Space for Cell 0 0 13 Spare Sectors per Cell 0 14 1 15 User Space for Cell 1 0 User space Primary Cylinder m 13 0 1 Pl User Space for Cell P1 0 m Spare Sectors per Cell P1 1 Alternate Cylinder 1 User Space for Cell xx 1 17 n User Space for Cell yy 17 n 47 925 MAP3147NC NP 47 995 MAP3735NC NP 48 121 MAP3367NC NP Note Spare sectors on the last track in each cylinder 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 IDD intends to increase the storage capacity by dividing all cylinders into several zones and changing a recording density
64. ey are used up unused spare sectors in the alternate cylinder are allocated to the subsequent sectors in the cylinder by means of alternate sector treatment Figure 3 7 is examples of the alternate block allocation during the FORMAT UNIT command execution C141 E166 Example 1 Example 2 DE HEU o 1 X 8 9 1011 12 14 15 10111 121X 14 15 16117 18 19 20 21 22 23 16117 18 20 21 22 23 25 26 X 25 25 26 27 Sector slip Sector slip ER DE E fifi lof PARARE Alternate cylinder 10 VEURE 23 24 26127 Alternate cylinder n represents a logical data block number Defective sector Unused spare sector Figure 3 7 Alternate block allocation by FORMAT UNIT command If the data block verifying operation certification is not permitted DCRT flag 0 in the FORMAT UNIT command the IDD checks all initialized logical data blocks by reading them out after the above alternate block allocation is made to initialize format the disk If a defective data block is detected during the check the IDD allocates the alternate block to the defective data block This alternate block allocation is made by means of alternate sector treatment only like processing by the REASSIGN BLOCKS command even if unused spare sectors exists in the same cell C141 E166 3 13 Q G Alternate block allocation by REASSIGN BLOCKS command When the REASSIGN BLOCKS c
65. f 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 number of logical data blocks after initialization is determined by the value specified in the format parameter page code 3 and drive parameter page code 4 C141 E166 5 17 Q b Format parameter page code 3 Specify the number of spare sectors for each cell in the alternate sectors zone field and specify the number of tracks for alternate cylinders 7 number of alternate cylinders x number of disk drive heads in the alternate tracks zone field It is recommended not to specify values smaller than the IDD default value in this field FORMAT UNIT command Initialize all recording surface of the disk with the FORMAT UNIT command The FORMAT UNIT command initializes all surface 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 value 00 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 For
66. g requirements and notes 2 C141 E166 APPENDIXB 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 E166 B 1 B 1 SCSI Connector Signal Allocation SCA2 type LVD 16 bit SCSI Table B 1 SCSI connector SCA2 type LVD 16 bit SCSI Pin No Pin No 12V Charge 12V RETURN GND HT REQ MSG RST a A ___ ie 39 scsm se 1 40 scs Scsup 80 AR o2 tA Cn gt N ON N o nN A Ll gt gt an Un gt oo gt 2 C141 E166 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 O mwe GND GND 01 02 03 04 05 07 10 12 13 14 15 16 17 18 19 0 1 2 3 4 5 6 7 8 9 0 2 3 4 3 3 3 3 4 4 4 4 4 4 4 4 7 9 0 2 3 4 5 7 TERMPWR TERMPWR 5 TERMPWR TERMPWR 52 Resend 5 54 A 5 7 9 2 3 5 7 ND Gp p owo 5 REQ 3 DB11 Power supply for the terminating resistor 6 8 1 6 8 9 0 1 6 8 1 2 2 2 2 2 2
67. gnostics 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 IDD 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 coments dd Self Test 1 Self Test 1 Unit Offline 0 Unit Offline 1 Hardware function test C O Seek test Write read test C Cylinder for internal test Note C indicates the tests to be executed and arrows show the sequence of execution C141 E166 6 1 1 6 2 Brief test 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 RAM e Data buffer b Seek test This test checks the positioning operation of the disk drive using several seek modes 2 points seek position sequential seek etc The positioning operation is checked with confirming the physical address information by reading the ID field LBA from the data block on track 0 after completion of the seek operation to the target cylinder c Write read test This test checks the write read function by using the Internal test space of the disk drive Initial self diagn
68. ices 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 4 for the cable connection requirements and power cable connections 1 Connecting one IDD Single Ended type SCSI Host C Adapter SCSI cable N 1 IDD C141 E166 5 3 2 Connecting more than one IDD single host C Host SCSI cable N Adapter 1 IDD C N 1 IDD C N Other SCSI device 1 Figure 5 1 SCSI bus connections 1 of 2 3 Connecting more than one IDD multi host Host Host SCSI cable system adapter 1 Host Host system adapter 2 Other SCSI device TRM SCSI terminator Figure 5 1 SCSI bus connections 2 of 2 5 4 C141 E166 5 3 Setting Terminals A user sets up the following terminals and SCSI terminating resistor before installing the IDD in the system as required e Setting terminal 1 NC model CN2 NP model Figure 5 2 shows the location of setting terminal NP model only For NC model see Figure 4 13 because the setting terminal is included in SCSI connector 1 Figure 5 3 shows the allocation and default settings NP model only For allocation of NC model see Table B A CAUTION 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 termina
69. ifications ri keir ao eieae 2 7 Zone layout and track nennen nnns 3 3 Format capacity tape pet VR EQ RR pe dites 3 9 Surface temperature check Point eere 4 6 Recommended components for connection 4 20 SCSLID setting Round aede aie ee eret 5 7 Setting SCSI terminator power supply NP model sse 5 8 Motor start mode setting esse ee ROT NO d ie a He d i 5 8 Write protect setting NP model ceiien enne nnne 5 9 Setting of the SCSI interface operation mode NP model sse 5 0 Setting the bus width of the SCSI interface NP model sse 5 9 Default mode settings by CHANGE DEFINITION command eere 5 10 Setting check list NP model 5 11 Self diagnostic functions etit date tiat lutte test 6 1 System level field troubleshooting essere 6 14 Disk drive troubleshooting o n a enne ia a 6 15 Definition oPsense dat setenta n Ee PP 7 3 CN2 setting terminal on NP model drives only sese A 2 SCSI connector SCA2 type LVD 16 bit SCSI essere 2 SCSI connector 68 pin type LVD 16 bit SCSI B 3 C141 E166 CHAPTER 1 GENERAL DESCRIPTION 1 1 Standard Features 1 2 Hardware Structure 1
70. in minor or moderate personal injury if the T C A TI ON user does not perform the procedure correctly This alert signal also indicates U that damages to the product or other property may occur if the user does not perform the procedure correctly Mounting Installation Data loss For MAP series Reed Solomon codes are applied for their ECC The sector data is divided into 6 interleaving sectors and ECC is performed in each sector where the maximum number of errors up to 5 byte can be corrected Total maximum byte 5 byte x 6 interleave 30 byte If the error of read sector keeps allowable error byte number correction is performed However if error byte exceeds its allowable number correction may not be performed properly Hot temperature To prevent injury do not handle the drive until after the device has cooled sufficiently after turning off the power 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 setting pins during the power is turned on Write protect CN2 9 10 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
71. in power on self diagnosis e A hardware error occurred inside IDD e A drive error occurred The symptoms above are generally caused by an error in a PCA or DE For details of the sense data above refer to the SCSI Logical Interface Specifications 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 1 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 the SCSI Logical Interface Specifications If this error occurs in different blocks a PCA or DE is faulty For details of the above sense data refer to the SCSI Logical Interface Specifications Sense data 5 2x xx 5 30 00 5 90 00 B 47 xx B 49 00 B 4D xx and 4 00 SCSI interface error Sense data 5 2x xx 5 3D 00 5 90 00 B 47 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 A parity error occurred in the SCSI bus If this error occurs a PCA or the SCSI interface cable is faulty For details of the above sense data refer to the SCSI Logical Interface Specifications C141 E166 APPENDIXA SETTING TERMIN
72. ing the value defined in the standard because it may cause critical damage to the drive Especially be careful when unpacking b Do not leave the drive in a dirty or contaminated environment c Since static discharge may destroy the CMOS semiconductors in the drive note the following after unpacking e Use an ESD strap and body grounding when handling the drive e Do not touch any components on the PCAs except setting terminal and CN2 ACAUTION Hot temperature To prevent injury do not handle the drive until after the device has cooled sufficiently after turning off the power The DE and LSI become hot during operation and remain hot immediately after turning off the power C141 E166 5 1 Q 3 4 5 6 5 2 Unpackaging a Usea 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 b Be careful not to give excess pressure to the internal unit when removing cushions c careful not to give excess pressure to the PCAs and interface connector when removing the drive from the antistatic bag d Do not remove the sealing label or cover of the DE and screws 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 drive when powe
73. is feature realizes the high speed processing C141 E166 1 3 9 10 11 12 13 14 Reserve and release functions The IDD can be accessed exclusively in the multi host or multi initiator environment by using the reserve and release functions Error recovery The IDD can try to recover from errors in SCSI bus or the disk drive 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 these error recovery functions of the IDD Automatic alternate block reassignment If a defective data block is detected during read or write the IDD 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 drive 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 528 bytes 3 The Recoverable Error referred to here is sense data 1 13 xx Defective block slipping A logical data block can be reallocated in a physical sequence by sli
74. isfied between the IDD and the SCSI device with the terminating resistor circuit SCSI devices with the terminating resistor 5VDC IDD 5VDC Ti20 T220 Figure 4 10 Power on off sequence 2 d Between the IDD and other SCSI devices on the SCSI bus the 5 VDC power on off sequence is as follows e system with its all SCSI devices designed to prevent noise from leaking to the SCSI bus when power is turned on or off the power sequence does not matter if the requirement in b or c 1 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 IDD SCSI devices without noise leaking designed 5VDC IDD 5VDC Ti 20 T220 Figure 4 11 Power on off sequence 3 C141 E166 4 9 4 5 6 4 10 Sequential starting of spindle motors After power is turned on to the IDD a large amount of current flows in the 12 VDC line when the spindle motor rotation starts Therefore if more than one IDD 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 int
75. ith disk drive replacement in the field At this level of maintenance we recommend replacing the disk drive as a unit If replacing the disk drive rectifies the fault return the removed disk drive to the factory for test and repair If the newly installed disk drive 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 disk drive or system C141 E166 6 13 Table 6 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 2 596 Check that the 5 VDC value pins 3 and 4 of the power connector is 4 75 to 5 25 VDC Check that the 12 VDC supply pins 1 and 2 of the power connector of disk drive is 11 4 to 12 6 VDC Electrical noise Make sure the maximum ripple peak to peak value of 5 VDC is within 250 mV and 12 VDC is within 250 mV Make sure the high frequency noise over 20 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
76. k 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 IDD treats sector 0 track 0 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 to sectors in every track except the last track in ascending order of track number in the same track head Within the same track 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 track number in the same cell Within the same track logical data blocks are assigned in the same way as step 1 4 For the last track in the same cell subsequent logical data blocks 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 alter
77. l 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 IDD only when the top level bus DB8 15 P1 for the IDD SCSI interface is not connected to the external part of the IDD Table 5 6 Setting the bus width of the SCSI interface NP model 16 bit bus Open 1 Set at factory shipment For NC model the function of the bus width setting for the SCSI interface 1 not supported C141 E166 5 9 5 3 3 Mode settings In addition to the previously described settings using setting terminals the IDD 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 Section 3 1 4 of the SCSI Logical Interface Specifications for details of the command Table 5 7 Default mode settings by CHANGE DEFINITION command SCSI level SCSI 2 DATA TRANSFER REQUEST message Not sent from IDD Reselection retry count Not restricted WIDE DATA TRANSFER REQUEST message sending Not sent from IDD 0 sec NP 12 sec SCSI ID NC Spindle motor start delay time 5 10 C141 E166 5 4 Mounting Drives 5 41 Check before mounting Reconfirm if the setting terminals are set correctly according to Table 5 8 before mounting the NP model drives in the system cabinet
78. ls except following setting pins during the power is turned on Write protect CN2 9 10 NP model only 3 short the setting terminal use the short plug attached when the device is shipped from the factory Pin2 Pin 24 Pin 23 Figure 5 2 Setting terminals location on NP models only C141 E166 5 5 10 12 14 16 18 20 22 24 9 11 13 15 17 19 21 23 _ Terminator power supply Supply LED signal IDD Reset signal N C Force Single Ended LVD mode Force Narrow 16 bit SCSI Motor start mode Write protect enabled SCSIID 15 Figure 5 3 CN2 setting terminal on NP models only 5 3 1 SCSI 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 CNI of NP model all pins listed in Table 5 1 should be open If any of pins are shorted unexpected SCSI ID is set 5 6 C141 E166 Table 5 1 SCSI ID setting SCSI NC model CN1 NP model CN2 m 39 79 40 80 12 3 4 5 6 7 8 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 Op
79. mat parameter When the values in step a are specified with CDB the format parameter is not needed C141 E166 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 IDD to operate by using the parameter value set by the user when power is turned on again When the system has more than one INIT different parameter value can be set for each INIT When the parameters are not set or saved with the MODE SELECT or MODE SELECT EXTENDED command the IDD sets the default values for parameters and operates when power is turned on or after reset Although the IDD 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 Chapter 3 of 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 the s
80. n logical block x logical data block length The following formula must be used when the number of logical data blocks are 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 medium Table 3 4 Format capacity Data block length User blocks Format capacity GB MAP3147NC NP UM 287 132 440 147 01 MAP3735NC NP 143 571 316 73 50 MAP3367NC NP 71 775 284 36 74 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 Independently of the physical structure of the disk drive the IDD adopts the logical data block addressing as a data access method on the disk medium The IDD relates a logical data block address to each physical sector at formatting Data on the disk medium is accessed in logical data block units The INIT specifies the data to be accessed using the logical data block address of that data The logical data block addressing 1s a function whereby individual data blocks are given addresses of serial binaries in each drive C141 E166 3 9 1 Q Bloc
81. nals 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 Chapter 3 of the SCSI Logical Interface Specifications for details of the START STOP UNIT command C141 E166 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 Write operation is enabled Open 1 Write operation is disable Short 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 IDD automatically identifies the DIFFSNS signal level on the SCSI bus and the IDD SCSI interface operation mode is set to the operation mode Table 5 5 Setting of the SCSI interface operation mode NP model 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 1 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 mode
82. nate 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 1s 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 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 IDD 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 E166 3 3 3 3 1 3 32 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 IDD manages e P 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 INIT must execute the alternate block allocation using this list when initializing the disk
83. nd the signal assignments of interface connector C141 E166 CONVENTIONS FOR ALERT MESSAGES This manual uses the following conventions for alerts to prevent physical or property damages to users or by standards A CAUTION This indicates that either minor or moderate personal injury may occur if the user does not perform the procedure correctly NOTICE This indicates that inconvenience to the user such as damages to the product equipment data and or other property may occur if the user does not pay attention or perform the procedure correctly IMPORTANT This indicates information that the helps the user use the product more effectively CONVENTIONS USED IN THIS MANUAL The MAP3147NC NP MAP3735NC NP and MAP3367NC NP disk drives are described as the intelligent disk drive IDD the drive or the device in this manual Decimal number is represented normally Hexadecimal number is represented as X 17B9 17B9h or 17B9H Binary number is represented as 010 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 iv C141 E166 Important Alert Items Important Alert Messages The important alert messages in this manual are as follows A hazardous situation could result
84. ne over the disks when the power is off or the spindle motor is stopped C141 E166 1 7 5 6 7 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 MEEPRAML Modified Enhanced Extended Partial Response Class 4 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 reliability and uses a high speed microprocessing unit MPU to increase the performance of the SCSI controller C141 E166 1 3 System Configuration Figure 1 4 shows the system configuration The IDDs are connected to the SCSI bus of host systems and are always operated as target The ID
85. nks The spindle motor of the disk drive then stops and the disk drive is 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 IDD monitors disk drive operation including data processing command processing and seek operations If the IDD detects an error the IDD posts the error to the INIT The INIT 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 Replace the disk drive to see whether the error was caused by the disk drive 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 disk drive an interrupt occurs The interrupt is posted to the MCU on the PCA The MCU stops the currently processed command and causes the CHECK CONDITION status to post the error to the INIT When receiving the CHECK CONDITION status the INIT issues a REQUEST SENSE command to collect detailed information about the error The INIT then issues a REZERO UNIT command to return the read write head to track 00 In normal processing the ID
86. nnection 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 IDD and the locations of the holes for the IDD mounting screws Dimensions are in mm Note Mounting screw 6 32UNC C141 E166 4 1 10 6 32UNC 26 035 0 5 44 45 0 25 147 0 max 95 25 0 25 101 6 0 25 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 1 NC external dimensions C141 E166 25 1 max 10 6 32UNC 41 28 0 5 44 45 0 25 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 2 NP external dimensions C141 E166 4 1 2 Mounting The permissible orientations of the IDD are shown in Figure 4 3 and the tole X5 from the horizontal plane a Horizontal 1 UE j a rance of the angle is d Vertical 2 e Upright mounting 1 f Upright mounting 2 I Direction of gravity Figure 4 3 IDD orientations 4 1 3 Notes on mounting 1 Mounting frame structure Special attention must be given to mount the IDD disk enclosure DE as follows a Use the frame with an embossed structure or the like Mount the IDD with making a gap of 2 5 mm or more between the IDD and the
87. ock allocation e Sector slip treatment Defective sectors are skipped and the logical data block corresponding to those sectors 15 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 Alternate sector treatment The logical data block corresponding to defective sectors is allocated to unused spare sectors in the same cell or unused spare sectors in the alternate cylinder C141 E166 3 11 1 The alternate block allocation is executed by the FORMAT UNIT command the REASSIGN BLOCKS command or the automatic alternate block allocation Refer to OEM Manual SCSI Logical 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 15 made 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 IDD processes those blocks in ascending order of logical data block Alternate 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 specified lists P or D is continued until all spare sectors in the same cell are used up When th
88. ode 32 34 MEEPRML 25 4 mm 101 6 mm 146 0 mm Weight max 0 75 kg Power consumption 5 Fast 5 SCSI Cable length 6 m max Single inter Ended face External dimensions Fast 10 SCSI Cable length 3 m max Cable length 3 m max 6 Kante anei Cable length 1 5 m max 7 Cable length 25 m max 8 PME Cable length 12 m max 9 Disk drive 64 1 to 107 86 MB s rate 10 SCSI DUE 320 MB s max Logical data block length 11 512 to 528 byte Fixed length SPI 4 T10 1365D Rev 7 SAM 2 T10 1157D Rev 20 SPC 2 T10 1236D Rev 20 SBC T10 996D Rev 8c Data buffer 8 MB FIFO ring buffer Acostic noise Ready 3 4 Bels SCSI command specification 2 2 C141 E166 1 2 3 4 5 6 7 8 9 10 11 The formatted capacity can be changed by changing the logical block length and using spare sector space See Chapter 3 for the further information The formatted capacity listed in the table is an estimate for 512 bytes per sector The number of user cylinders indicates the max and includes the alternate cylinder The number of user cylinders and alternate cylinders can be specified at format of the IDD The positioning time is as follows 20 15 Z E BE 10 o o un 5 0 X H 0 8192 16384 24576 32768 40960 49152 Seek Difference 2048
89. of each zone Tables 3 1 to 3 3 show the zone layout and the track capacity 3 2 C141 E166 Table 3 1 Zone layout and track capacity Cylinder Zone Byte track Sector track MAP3147NC NP MAP3735NC NP MAP3367NC NP 0 1 120 479 232 ome 09 poem omm 09 D omen uw ssec uocum mss Note When the logical data block length is 512 bytes the sector track capacity indicates above amount 1 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 default value of cylinders in the user space is MAP3174NC NP 47 926 MAP3735NC NP 47 996 MAP3367NC NP 48 122 These also equal the maximum cylinders number for each series 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 C141 E166 3 3 Q G 3 4 number starting with 0 is assigned to each cylinder required in the user space in ascending order If the number of cylinders do not reach the maximum the rest of the cylinders will not be used Always one c
90. ommand is specified the alternate block is allocated to the defective logical data block specified by the initiator by means of alternate sector treatment If there are unused spare sectors in the same cell as the specified defective logical data block the alternate block is allocated to these unused spare sectors However the alternate block is allocated to unused spare sectors in the alternate cylinder when all spare sectors in the cell are used up Figure 3 8 is examples of the alternate block allocation by the REASSIGN BLOCKS command Example 1 Ressign Block 14 am 2 Be Block 16 aE 31415 2 41516 11 12 13 10 X 11 12 DEDE 2123 24125 26 27 5 5 2122 23 24 25 26 27 Alternate sectors Alternate sector The same cell Alternate cylinder Bei DE nr 00 190 T UE 58 BE 5 pe ro oo LS 2 22 2324 25 26 27 15 16 17 18 19120 1 2123 2425 26 27 a n represents a logical data block number Defective sector Unused spare sector Figure 3 8 Alternate block allocation by REASSIGN BLOCKS command Automatic alternate block allocation e Automatic alternate block allocation at read operation If the ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the IDD automatically executes the alternate block allocation and data duplication on the defective data block detected during the READ
91. on and scope of this manual The need arises use the other manuals OVERVIEW OF MANUAL This manual consists of the following eight chapters CHAPTER1 GENERAL DESCRIPTION This chapter introduces the MAP series disk drives and discusses their standard features hardware and system configuration CHAPTER2 SPECIFICATIONS This chapter gives detailed specifications of the MAP series disk drives and their installation environment CHAPTER3 DATA FORMAT This chapter describes the data structure of the disk the address method and what to do about media defects CHAPTER4 INSTALLATION REQUIREMENTS This chapter describes the basic physical and electrical requirements for installing MAP series disk drives CHAPTER5 INSTALLATION This chapter explains how to install MAP series 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 DIAGNOSIS AND MAINTENANCE This chapter describes the automatic diagnosis and maintenance of MAP series disk drive 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 The appendixes give supplementary information including a list of setting items a
92. ostics When power is turned on the IDD 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 drive front panel blinks In this status the IDD 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 INIT 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 cleared the IDD executes the initial self diagnosis again C141 E166 The IDD does not reply to the SCSI bus for up to 2 seconds after the initial self diagnostics 1 started After that the IDD 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 IDD becomes ready The executable command under the not ready state is ex
93. owing 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 of SCSI Logical Interface Specifications for further details Parameter Default value Buffer full ratio 00 HEX Buffer empty ratio 00 HEX Notes 1 Inasystem 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 the SCSI bus e Average amount of processing data specified with a command Refer to Chapter 2 of 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 E166 5 21 3 Caching parameters The following parameters are used to optimize IDD Read Ahead caching operations under the system environments Refer to Chapter 2 of SCSI Logical Interface Specifications for further details Parameter Default value C Initiator control 0 Drive specific control page cache RCD Disabling Read Ahead caching operations 0 enabled WCE Write C
94. 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 C141 E166 IMPORTANT The external LED is identical in indication to the LED on the front of the IDD Any load other than the external LED see Subsection 4 3 5 should not be connected to the CN2 21 22 pin LED V and LED terminals This signal is temporarily driven at the GND level when the micro program reads the SCSI ID immediately after the power supply to the IDD has been switched on it is possible to set up the SCSI ID by short circuiting CNI A7 and CN1 A8 LED V 74LS06 or equivalent LED IDD front 1500 0 to 0 4 VDC lor 15mA max LED on 2 5 to 5 25 VDC LED off 4 18 Figure 4 21 Output signal for external LED e 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 IDD disc media are set to disable C141 E166 6 Cable connection requirements The requirements for cable connection between the IDD 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 SI S3 or S4 CNI CNI or CN2 IDD Power cable Figure 4 22 SCSI cables connection
95. pindle motor mounted disk enclosure DE with actuator and air circulation filter as well as read write pre amp with the printed circuit assembly PCA of the controller Figure 1 1 NC model drives outer view Figure 1 2 NP model drives outer view 1 6 C141 E166 1 Q 3 4 Disks The disks have an outer diameter of 84 mm 3 3 inch and an inner diameter of 25 mm 0 98 inch for MAP series The disks are good for at least 20 000 contact starts and stops Each model contains following number of disks MAP3147NC NP 4 MAP3735NC NP 2 MAP3367NC NP 1 Heads The MR Magnet Resistive of the CSS contact start stop type heads are in contact with the disks when the disks are not rotating and automatically float when the rotation is started Figure 1 3 shows the configuration of disks and heads MAP3147NC NP MAP3735NC NP Base r MAP3367NC NP At Cover 0 d Figure 1 3 Disk head configuration Spindle motor The disks are rotated by a direct drive hall less DC motor The motor speed is controlled by a feedback circuit using 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 is controlled and positioned via feedback of servo information in the data The heads are positioned on the CCS zo
96. pping 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 C141 E166 15 16 17 18 19 Q0 Large capacity A large capacity can be obtained from 3 5 inch disk drives 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 good space efficiency Start Stop of spindle motor Using the SCSI command the host system can start and stop the spindle motor Diagnosis The IDD has a diagnostic capability which checks internal controller functions and drive operations to facilitate testing and repair Low power consumption By using highly integrated LSI components the power consumption of the IDD is very low and this enables the unit to be used in wide range of environmental conditions Low noise and low vibration The noise level is low approx 3 4 Bels Ready for MAP series This makes it ideal for office use Microcode downloading The IDD implements the microcode download feature This feature achieves easy maintainability of the IDD and function enhancing C141 E166 1 5 1 2 Hardware Structure An outer view of the IDD is given in Figures 1 1 and 1 2 The IDD is composed of the disk head s
97. r is turned on or until the drive 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 Store the drive in an antistatic bag b Itis recommended to use the same cushions and packages as those at delivery If those at delivery cannot be used use a package with shock absorption so that the drive 15 free from direct shocks In this case fully protect the PCAs and interface connector so that they are not damaged c Indicate This Side Up and Handle With Care on the outside of the package so that it 1 not turned over Delivery a When delivering the drive 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 vertical direction is recommended Storage a Provide moistureproof packaging for storage b The storage environment must satisfy the requirements specified in Subsection 2 1 3 when the drive is not operating c To prevent condensation avoid sudden changes in temperature C141 E166 5 2 Connections Figure 5 1 shows examples of connection modes between the host system and the IDD For the 16 bit SCSI up to 16 devices including the host adapter IDD and other SCSI dev
98. reconnection function 8 bit SCSI Single ended type 20 MB s max LVD type 40 MB s max 16 bit SCSI Single ended type 40 MB s max LVD type 80 MB s max U160 LVD type 160 MB s max U320 LVD type 320 MB s max Data block length Logical data length Physical data length 2 O Provided X Not provided 1 The driver mode Single ended or LVD changes automatically by Diffsence signal level 2 Refer to 12 of Section 1 1 C141 E166 2 7 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 IDD 3 1 Data Space The IDD 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 IDD itself The user space allows a user access by specifying data These space can be accessed with the logical data block addressing method described in Section 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 IDD at power on or during the execution of a specific command but the user cannot directly access the system space Cylinder configuration The IDD allocat
99. ta Other error analysis information A CAUTION Data loss Save data stored on the disk drive before requesting repair Fujitsu does not assume responsibility if data is destroyed during servicing or repair C141 E166 6 7 6 2 3 1 Q 6 8 See Section 5 1 for notes on packing and handling when returning the disk drive Maintenance levels If a disk drive is faulty replace the whole disk drive since repair requires special tools and environment This section explains the two maintenance levels Field maintenance disk drive 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 distributor or OEM engineer Factory maintenance parts replacement e This replacement can only be done by Fujitsu e Replacement includes maintenance training and OEM engineer support OEM engineers usually support retail dealers and distributors e Replacement uses factory tools and test equipment C141 E166 6 2 4 Revision numbers The revision number of the disk drive is represented with a letter and a number indicated on the revision label attached to the DE Figure 6 1 shows the revision label format MODEL MAP3IATNC 10 JW Ultra 320 SCSI SCA2 LVD PART CA06200 B400 SER NO UPOOP2400001 12 X 5v x XXAZZE DATE 2002 04 x MADE IN PHILIPPINES REV NO 22 23 456189 0 1 23456789 0
100. test space 3 4 L large capacity 1 5 leak magnetic flux eee 4 7 limitation of bottom mounting 4 5 limitation of side mounting 4 5 logical data block addressing 3 9 low noise and low vibration 1 5 low power consumption 1 5 M maintenance level esee 6 8 maintenance requirement 6 6 mean time between failure 2 5 mean time to repair MTTR 2 6 microcode downloading s s 1 5 MODE SELECT MODE SELECT EXTENDED 5 17 MOE setting 2 5 5 10 motor start mode 5 8 motor start mode setting sess 5 8 MOUNUING ee 4 4 mounting drive 5 11 mounting frame structure 4 4 4 5 mounting procedure 5 11 mounting 4 1 NC connector 4 11 NC external dimension sess 4 2 NC model drive outer view 1 6 note on handling drive 5 1 note on 4 4 NP connector and termin
101. ting SCSI terminator power supply NP model Supply on off of SCSI terminator power from CN2 23 24 IDD Supply off Open Supply on Short 1 Setat 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 IDD 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 motor can be controlled by specifying the START STOP UNIT command Table5 3 Motor start mode setting NC model 3 NP model Start timing of the spindle motor CNI 38 CNI 78 CN2 11 12 Starting of the motor is controlled with the Short Open START STOP UNIT command The motor is started immediately after the power supply is turned on or after the Open Open Short 1 microcode is downloaded The motor is started after the elapse of a delay time that is based on the SCSI ID The delay time is provided immediately after the power Open Short 2 supply is turned on 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 termi
102. 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 6 2 6 Tests This disk drive 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 3 shows the flow of these tests 6 10 C141 E166 y Start self test by turning the power on Check host system Test results OK Table 6 2 Analyze system related error Host system normal Execute an operation test using a host computer or test equipment Replaced or repair disk drive No Disk drive normal Test results OK 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 disk drive Test results OK error Table 6 3 Normal Figure 6 3 Test flowchart C141 E166 6 3 6 3 1 6 3 2 6 3 3 Operation Check Initial seek operation check If an error is detected during initialization by the initial seek operation check routine at power on the LED on the front panel bli
103. um byte 5 byte x 6 interleave 30 byte If the error of read sector keeps allowable error byte number correction is performed However if error byte exceeds its allowable number correction may not be performed properly Positioning error rate Positioning errors which can be recovered by one retry should be 10 or less per 10 seeks Reliability Mean Time Between Failures MTBF MTBF of the IDD during its life time is 1 2000 000 hours operating 24 hours day 7 days week average DE surface temperature 50 C or less Note The MTBF is defined as Operating time hours at all field sites MTBF The number of equipment failures from all field sites C141 E166 2 5 Q G 4 2 6 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 Mean Time to Repair MTTR MTTR is the average time taken by a well trained service mechanic to diagnose and repair a drive malfunction The drive is designed for a MTTR of 30 minutes or less 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 possible as low DE
104. update processing on 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 Depending on the alternate processing result one of the following sense codes is returned Alternate processing is succeeded 01 OC 01 Alternate medium is defective 03 OC 01 Fatal error SA write retry out 03 OC 02 C141 E166 3 15 3 16 IMPORTANT Automatic alternate block allocation is made only once during the execution of one command If second 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 E166 CHAPTER 4 INSTALLATION REQUIREMENTS 41 Mounting Requirements 4 2 Power Supply Requirements 4 3 Co
105. ure return the whole disk drive to the factory for repair Also if a clear error erroneous servo track information or noisy drive is detected in the disk enclosure return the whole disk drive to the factory A media defect list must be included with a disk drive returned to the factory A CAUTION Damage Never open the disk enclosure in the field Opening the disk enclosure may cause an irreparable fault C141 E166 6 15 6 4 4 6 4 5 Troubleshooting with parts replacement in the factory This manual does not cover troubleshooting at the factory level 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 C141 E166 CHAPTER 7 ERROR ANALYSIS 7 4 Error Analysis Information Collection 7 2 Sense Data Analysis This chapter explains in detail how sense data collected from a disk drive is used for troubleshooting Sense data reflects an error in the disk drive and helps with troubleshooting A sense key sense code and subsense code 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 1 a sense code and the rightmost x 1s a subsense code 7 1
106. us as shown in Figure 4 18 Also a connector for the external operator panel are provided on the IDD 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 4 14 C141 E166 2 0mm ems 3 8 Figure 4 18 External operator panel connector Pin2 2 0mm Pin 24 s 0 0 0o00 0 0 4 m 16 DIFFSENS 0 0J 1 2 0mm Pin23 Figure 4 19 External operator panel connector CN2 C141 E166 4 15 5 External operator panel connector Signals 16 bit SCSI ID3 ID2 ID1 100 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 IDD externally Figure 4 20 shows the electrical requirements For the recommended circuit examples see Subsection 4 3 4 5 VDC CNI A7 or CN2 08 D3 lt om CN1 A5 or CN2 06 gt Dia CN1 A3 or CN2 04 IDO lt CNI A1 or CN2 02 gt Input level ID3 ID2 ID1 D0 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
107. ut output operation The IDD 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 SCSIID 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 E166 CHAPTER 2 SPECIFICATIONS 2 Hardware Specifications 22 SCSI Function Specifications This chapter describes specifications of the IDD 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 Numberof Number user area disks of heads MAPSITNC CA06200 B400 SCA2 147 01 GB MAP3147NP CA06200 B460 68 pin LVD 73 50 GB 36 74 GB C141 E166 2 1 2 1 2 Function specifications Table 2 2 shows the function specifications of the IDD Table 2 2 Function specifications INumberofheads Ooo 8 4 3 Track to Track 0 3 ms 0 5 ms Seek time 3 Read Write Average 4 5 ms 5 0 ms Full stroke 10 0 ms 11 0 ms Start stop time Start time 30 s typ 60 s max 4 Stop time 30 s typ Recording m
108. value read write error recovery parameter additional error recovery parameter which the INIT 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 b Reporting result of self diagnostics and error indication When all specified self diagnostics terminate normally the IDD posts the GOOD status for the SEND DIAGNOSTIC command C141 E166 6 3 When an error is detected in the self diagnostics the IDD terminates the SEND DIAGNOSTIC command with the CHECK CONDITION status The INIT 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 IDD 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 and NO OPERATION is issued
109. ve At designing the system cabinet consider following points e Make a suitable air flow so that the DE surface temperature does not exceed 60 C e Cool the PCA side especially with air circulation inside the cabinet Confirm the cooling effect by measuring temperature of specific ICs and the DE These measurement results should be within a criteria listed in Table 4 1 Table 4 1 Surface temperature check point HDC 9 9 m Figure 4 6 Surface temperature measurement points 5 Service clearance area The service clearance area or the sides which must allow access to the IDD for installation or maintenance is shown in Figure 4 7 4 6 C141 E166 Surface P Setting terminal on NP model only External operator panel connector Surface R Hole for mounting screw Surface P Cable connection Surface Q Hole for mounting screw Figure 4 7 Service clearance area 6 External magnetic field The drive should not be installed near the ferromagnetic body like a speaker to avoid the influence of the external magnetic field 7 Leak magnetic flux The IDD uses a high performance magnet to achieve a high speed seek Therefore a leak magnetic flux at surface of the IDD is large Mount the IDD so that the leak magnetic flux does not affect to near equipment 8 Oth
110. w to detect a faulty disk drive subassembly This fault finding requires a working host computer or disk drive test equipment to recreate the error conditions If the detected error cannot be recreated in an ordinary test disk drive conditions can be changed to force the error to recur This is done by changing the DC voltage or the ambient temperature of the disk drive If the error does not recur with changed conditions the disk drive is not faulty If no error occurs in the disk drive test notify the user of the test results and find out from the user the environment conditions where the disk drive is used Table 6 3 Disk drive troubleshooting Frequent or repeated seek errors Collect sense data and see Chapter 7 Replace the disk drive and check that the test method is correct If the error recurs it is likely that the disk drive is normal but the test method is incorrect Intermittent or nonfatal errors Replace the disk drive and check that the test method is correct If the error recurs it is likely that the disk drive is normal but the test method is incorrect To check performance change the disk drive conditions by changing the voltage or temperature If the disk drive error recurs or a possibly faulty part is found by troubleshooting return the complete disk drive to the factory for repair A media defect list must be included with a disk drive returned to the factory If the possibly faulty part is the disk enclos
111. y the MODE SELECT command The number of spare sectors per cell can be specified exceeding 32 The default for the spare sectors number is 84 C141 E166 Cell 1 Track 0 Sector 0 1 Track 1 n n Last track sms SPRm 1 sem Spare sectors m sectors Note This drive manages alternate spare areas for each cell which is a set of cylinders One cell consists of 14 cylinders Figure3 2 Spare area in cell An alternate cylinder is used when spare sectors in a cell are used up or 0 1 specified as the number of spare sectors in a cell 1 cylinder at the end of each zone of the user space is allocated as alternate cylinders as shown in Figure 3 3 The user space and the system space share the alternate cylinders lt Zone gt Cylinder 0 1 2 1 USRCYL User area _ ALTCYL Alternate area Alternate cylinder Note The number of alternate cylinders can not be changed Figure 3 3 Alternate cylinder 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 multiple of 40MHz free running frequency This clock is not equal
112. ylinder that is located at the end of each zone in the user space can be established as an alternate cylinder Alternate cylinders will be used for alternate blocks when primary cylinders in the user space are used up 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 512KByte The Internal test space consists of 8 cylinders and outer host cylinder is always assigned 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 IDD itself and the following information are recorded Defect list P list and G list MODE SELECT parameter saved value 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 cylinder of each zone The spare area in each cylinder 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 b

Fujitsu MAP3147NC/NP User's Manual

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