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C141-E166

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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.

: Unused spare sector

: Defective sector

: n represents a logical data block number

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Summary of Contents for MAP3147NC - Enterprise - Hard Drive

Page 1: ...C141 E166 01EN MAP3147NC NP MAP3735NC NP MAP3367NC NP DISK DRIVES PRODUCT MAINTENANCE MANUAL ...

Page 2: ... for incidental or consequential damages arising therefrom FUJTSU DISCLAIMS ALL WARRANTIES REGARDING THE INFORMATION CONTAINED HEREIN WHETHER EXPRESSED IMPLIED OR STATUTORY FUJITSU reserves the right to make changes to any products described herein without further notice and without obligation This product is designed and manufactured for use in standard applications such as office work personal d...

Page 3: ...C141 E166 i REVISION RECORD Edition Date published Revised contents 01 May 2002 Specification No C141 E166 EN ...

Page 4: ...e T10 1236D Rev 20 NCITS 351 2001 SCSI Primary Commands 2 SPC 2 T10 996D Rev 8c NCITS 306 1998 SCSI 3 Block Commands SBC T10 1157D Rev 20 SCSI Architecture Model 2 SAM 2 T10 1365D Rev 7 SCSI Parallel Interface 4 SPI 4 1 ANSI American National Standard Institute In case of conflict between this manual and any referenced document this manual takes precedence ...

Page 5: ...ives and their installation environment Chapter 3 DATA FORMAT This chapter describes the data structure of the disk the address method and what to do about media defects Chapter 4 INSTALLATION REQUIREMENTS This chapter describes the basic physical and electrical requirements for installing MAP series disk drives Chapter 5 INSTALLATION This chapter explains how to install MAP series disk drives It ...

Page 6: ...t 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 r...

Page 7: ... 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 sett...

Page 8: ...detected in the self diagnostics Caution 1 To avoid shocks turn off the power before connecting or disconnecting a cable connector or plug 2 To avoid injury do not touch the mechanical assembly during disk drive operation 3 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 d...

Page 9: ...irements 5 Installation 6 Diagnostics and Maintenance 7 Error Analysis SCSI Physical Interface Specifications 1 SCSI Bus 2 SCSI Message 3 SCSI Bus Error Recovery Processing SCSI Logical Interface Specifications 1 Command Processing 2 Data Buffer Management 3 Command Specification 4 Sense Data and error Recovery Procedure 5 Disk Medium Management ...

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Page 11: ...tions 2 7 CHAPTER 3 DATA FORMAT 3 1 3 1 Data Space 3 1 3 1 1 Cylinder configuration 3 1 3 1 2 Alternate spare area 3 4 3 1 3 Track format 3 5 3 1 4 Sector format 3 7 3 1 5 Format capacity 3 9 3 2 Logical Data Block Addressing 3 9 3 3 Defect Management 3 11 3 3 1 Defect list 3 11 3 3 2 Alternate block allocation 3 11 CHAPTER 4 INSTALLATION REQUIREMENTS 4 1 4 1 Mounting Requirements 4 1 4 1 1 Extern...

Page 12: ...Cables 5 11 5 6 Confirming Operations after Installation and Preparation for use 5 12 5 6 1 Confirming initial operations 5 12 5 6 2 Checking SCSI connection 5 13 5 6 3 Formatting 5 16 5 6 4 Setting parameters 5 18 5 7 Dismounting Drives 5 22 5 8 Spare Disk Drive 5 22 CHAPTER 6 DIAGNOSTICS AND MAINTENANCE 6 1 6 1 Diagnostics 6 1 6 1 1 Self diagnostics 6 1 6 1 2 Test programs 6 4 6 2 Maintenance In...

Page 13: ...e data 7 1 7 1 2 Sense key sense code and subsense code 7 1 7 2 Sense Data Analysis 7 3 7 2 1 Error information indicated with sense data 7 3 7 2 2 Sense data 3 0C 03 4 40 xx 4 44 xx and 4 C4 xx 7 4 7 2 3 Sense data 1 1x xx 3 1x xx and E 1D 00 Disk read error 7 4 7 2 4 Sense data 5 2x xx 5 3D 00 5 90 00 B 47 xx B 49 00 B 4D xx and B 4E 00 SCSI interface error 7 4 APPENDIX A SETTING TERMINALS A 1 A...

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Page 15: ...ensions 4 3 Figure 4 3 IDD orientations 4 4 Figure 4 4 Mounting frame structure 4 5 Figure 4 5 Limitation of side mounting 4 5 Figure 4 6 Surface temperature measurement points 4 6 Figure 4 7 Service clearance area 4 7 Figure 4 8 Current waveform 12 VDC 4 8 Figure 4 9 Power on off sequence 1 4 9 Figure 4 10 Power on off sequence 2 4 9 Figure 4 11 Power on off sequence 3 4 9 Figure 4 12 AC noise fi...

Page 16: ... Figure 5 1 SCSI bus connections 5 4 Figure 5 2 Setting terminals location on NP models only 5 5 Figure 5 3 CN2 setting terminal on NP models only 5 6 Figure 5 4 Checking the SCSI connection A 5 14 Figure 5 5 Checking the SCSI connection B 5 15 Figure 6 1 Revision label 6 9 Figure 6 2 Indicating revision numbers 6 10 Figure 6 3 Test flowchart 6 11 Figure 7 1 Format of extended sense data 7 2 ...

Page 17: ...otor start mode setting NP model only 5 8 Table 5 4 Write protect setting NP model only 5 8 Table 5 5 Setting of the SCSI interface operation mode NP model only 5 9 Table 5 6 Setting the bus width of the SCSI interface NP model only 5 9 Table 5 7 Default mode settings by CHANGE DEFINITION command 5 9 Table 5 8 Setting check list NP model only 5 10 Table 6 1 Self diagnostic functions 6 1 Table 6 2 ...

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Page 19: ...AP 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...

Page 20: ...re expansion of system functions 3 8 bit SCSI 16 bit SCSI The IDD has 16 bit data bus width 16 bit SCSI which have the wide transfer function suitable for SCSI 2 8 bit data bus is available only with NP model See subsection 5 3 2 for details of the bus width setting For the ultra SCSI model number of connectable SCSI devices on the same SCSI bus is varied as follows 8 bit SCSI 8 drives max option ...

Page 21: ...itiator 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 7 Cache feature After executing the READ command ...

Page 22: ...s alternate data block 12 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 CAUTION Error rate increase 1 The drive format is generally 512 bytes at factory shipment 2 The recoverable Error of the drive might increase when the format ...

Page 23: ... 17 Diagnosis The IDD has a diagnostic capability which checks internal controller functions and drive operations to facilitate testing and repair 18 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 19 Low noise and low vibration The noise level is low approx 3...

Page 24: ...and 1 2 The IDD is composed of the disk head spindle 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 ...

Page 25: ...onfiguration of disks and heads Figure 1 3 Disk head configuration 3 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 4 Actuator The actuator which uses a rotary voice coil motor VCM consumes little power and generates little heat The head...

Page 26: ...ting a breather filter is attached The breather filter also equalizes the internal air pressure with the atmospheric pressure due to surrounding temperature changes 6 Read write circuit The read write circuit utilizes a read channel mounted with a head IC that supports high speed transmission and an MEEPR4ML Modified Enhanced Extended Partial Response Class 4 Maximum Likelihood modulation demodula...

Page 27: ...ows the system configuration The IDDs are connected to the SCSI bus of host systems and are always operated as target The IDDs perform input output operation as specified by SCSI devices which operate as initiator Figure 1 4 System configuration SCSI bus ...

Page 28: ...ressing 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 is addressed in unit called as logical unit A unique address LUN logical unit number is assigned for each logical unit The initiator selects one SCSI device by specifying that SCSI ID then specifi...

Page 29: ...tor type when shipped Table 2 1 lists the model name and order number Table 2 1 Model names and order numbers Model name Order number SCSI type Capacity user area Number of disks Number of heads Mounting screw MAP3147NC CA06200 B400 SCA2 LVD MAP3147NP CA06200 B460 68 pin LVD 147 01 GB 4 8 MAP3735NC CA06200 B200 SCA2 LVD MAP3735NP CA06200 B260 68 pin LVD 73 50 GB 2 4 MAP3367NC CA06200 B100 SCA2 LVD...

Page 30: ... 11 0 ms Start stop time 4 Start time Stop time 30 s typ 60 s max 30 s typ Recording mode 32 34 MEEPRML External dimensions Height Width Depth 25 4 mm 101 6 mm 146 0 mm Weight max 0 75 kg Power consumption 5 9 6 W Fast 5 SCSI Cable length 6 m max Fast 10 SCSI Cable length 3 m max Single Ended Fast 20 SCSI Cable length 3 m max 6 Cable length 1 5 m max 7 Inter face LVD U160 Cable length 25 m max 8 C...

Page 31: ...ime 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 5 This value indicates at ready mode 6 Up to 4 SCSI devices having capacitance of 25pF or less can use cable length of up to 3 0 m 7 5 to 8 SCSI devices having capacitance of 25pF or less can use cable length of up to 1 5 m 8 1 on 1 connection case 9...

Page 32: ...on operating 4 3 1 mm 5 to 20Hz 49m s2 5G 20 to 300Hz or less Vibration 2 Transport packaged 3 1 mm 5 to 20Hz 49m s2 5G 20 to 300Hz or less Operating 637 4m s2 65G 2 ms Non operating 1961 3m s2 200G 2 ms Shock 2 Transport packaged 1961 3m s2 200G 2 ms Operating 300 m to 3 000 m Altitute above sea level Non operating 300 m to 12 000 m Ready Average 0 63 A Peak within 100 µs at spin up 3 0 A 12 VDC ...

Page 33: ...5 bits 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 maximum byte 5 byte 6 interleave 30 byte If the error of read sector keeps allowable error byte number correction is performed However if error byte exce...

Page 34: ...cabinet so that the average DE surface temperature is as possible as low DE 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 C 4 years DE surface temperature 51 C to 55 C 3 5 years DE surface temperature 56 C to 60 C 3 years DE surface temperature 61 C and more Strengthen cooling power so that DE surface temperature is 60 C or...

Page 35: ...model Connector 80 pin SCA2 connector Ο NC model Data bus parity Data bus CRC Ο Bus arbitration function Ο Disconnection reconnection function Ο SCSI ID 16 bit SCSI 0 to 15 Jumper selection Addressing LUN logical unit number 0 fixed Data transfer Synchronous mode 8 bit SCSI Single ended type LVD type 16 bit SCSI Single ended type LVD type U160 LVD type U320 LVD type Ο 20 MB s max Ο 40 MB s max Ο 4...

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Page 37: ...ck 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 3 1 1 Cylinder configuration The IDD allocates cylinders to the user space Internal test s...

Page 38: ...85 to Cylinder 78 SA0 SAS69 Internal test cylinder User Space for Cell 0 0 Spare Sectors per Cell 0 User Space for Cell 1 0 Spare Sectors per Cell 1 User Space for Cell P1 0 Spare Sectors per Cell P1 User Space for Cell xx 1 User Space for Cell yy 17 Zone Cell Cylinder 0 1 0 13 14 15 1 27 0 m 13 P1 m 1 1 17 n Figure 3 1 Cylinder configuration Apart from the above logical configuration the IDD inte...

Page 39: ...343 47 995 46 343 48 121 272 896 533 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...

Page 40: ...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 3 1 2 Alternate spare area T...

Page 41: ...Alternate cylinder Note The number of alternate cylinders can not be changed 3 1 3 Track format 1 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 d...

Page 42: ...ach 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 t...

Page 43: ...or 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 PAD SM1 PLO Sync G1 SCT ...

Page 44: ...the data field is equal to that of the logical data block which is specified with a parameter in the MODE SELECT command Any multiple of 4 between 512 and 528 bytes can be specified as the length 5 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 6 ECC This is the 60 byte code that allows detect...

Page 45: ...lock 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 Model Data heads Data block length User blocks Format capacity GB MAP3147NC NP 8 287 132 440 147 01 MAP3735NC NP 4 143 571 316 73 50 MAP3367NC NP 2 512 71 775 284 36 74 Note ...

Page 46: ... the same cell according to steps 1 to 4 subsequent logical data blocks are assigned in ascending order of cell number in the same way as in steps 1 to 4 Logical data blocks are assigned starting from track 0 in the next cell until the last cylinder immediately preceding the alternate cylinder n 1 shown in Figure 3 1 of the zone except alternate cylinders in cells in the user space When the logica...

Page 47: ...st 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 3 3 2 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 lo...

Page 48: ...ogical 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 1 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 G or D is continued until all sp...

Page 49: ...er 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 Unused spare sect...

Page 50: ...the cell are used up Figure 3 8 is examples of the alternate block allocation by the REASSIGN BLOCKS command Alternate sectors The same cell Figure 3 8 Alternate block allocation by REASSIGN BLOCKS command 3 Automatic alternate block allocation Automatic alternate block allocation at read operation If the ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the I...

Page 51: ...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 th...

Page 52: ...ted 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...

Page 53: ...Connection Requirements This chapter describes the environmental mounting power supply and connection requirements 4 1 Mounting Requirements 4 1 1 External dimensions Figures 4 1 and 4 2 show the external dimensions of the IDD and the locations of the holes for the IDD mounting screws Note Dimensions are in mm ...

Page 54: ...4 2 C141 E166 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 1 NC external dimensions ...

Page 55: ...C141 E166 4 3 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 2 NP external dimensions ...

Page 56: ... structure or the like Mount the IDD with making a gap of 2 5 mm or more between the IDD and the frame of the system b As shown in 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 12 d Impact caused by the electric driver must be within the device specifications e Must be han...

Page 57: ...ter 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 Figure 4 5 Limitation of side mounting 3 Limitation of bottom mounting Use all 4 mounting holes on the bottom face 4 3 2 1 Use four holes No 1 4 to mount Holes for mounting screw Holes for mounting screw Do not use these holes 5 0 or less 5 0 or less ...

Page 58: ...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 No Measurement point Criteria 1 Center of DE cover 60 C 2 Read channel LSI 88 C 3 VCM SPM Driver 92 C 4 HDC 91 C 5 MPU 91 C 1 4 5 2 3 Figure 4 6 Surface temperature measurement points 5 ...

Page 59: ...ormance 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 Others Seals on the DE prevent the DE inside from the dust Do not damage or peel off labels Surface P Setting terminal on NP model only External operator panel connector Surface R Hole for mounting screw Surface Q...

Page 60: ...2 VDC MAP3147 series Current 500mA div Time 2 sec div MAP3367 series Current 500mA div MAP3735 series Current 500mA div Time 2 sec div Time 2 sec div Figure 4 8 Current waveform 12 VDC 3 Power on off sequence a The order of the power on off sequence of 5 VDC and 12 VDC supplied to the IDD does not matter b In a system which uses the terminating resistor power supply signal TERMPWR on the SCSI bus ...

Page 61: ...SCSI bus the 5 VDC power on off sequence is as follows In a 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 is satisfied In a 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 m...

Page 62: ... spindle motors should be started after a delay of the following time Delay time SCSI ID 12 seconds SCSI ID Delay time of spindle motor starting 0 0 1 12 s 2 24 s 15 180 s 5 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 IDD must b...

Page 63: ...gures 4 13 show the locations of connectors and terminals on the 68 pin connector type 16 bit SCSI MP model Power supply connector SCSI connector External operator panel connector Figure 4 13 NP connectors and terminals location External operator panel connector CN2 Power supply connector CN1 External operator panel connector CN1 SCSI connector CN1 ...

Page 64: ...he 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 Pin 1 Pin 34 Pin 68 Pin 35 2 00m Pin A1 Pin A2 Pin 1 2 54mm 5 08mm 1 30mm 2 00mm 5 08mm 1 27mm 0 40mm 0 635mm 0 40mm 1 00mm Figure 4 14 16 bit SCSI interface connector b Power supply connector Figure 4 15 shows the shape and the ...

Page 65: ...nel CN1 provides connector for the external operator panel other than the SCSI bus as shown in Figure 4 16 Also a connector for the external operator panel are provided on the IDD as shown in Figure 4 17 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 Figure 4 16 External oper...

Page 66: ...4 14 C141 E166 Figure 4 17 External operator panel connector CN2 ...

Page 67: ...Input signals CN1 A1 A3 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 18 shows the electrical requirements For the recommended circuit examples see Subsection 4 3 4 Figure 4 18 16 bit SCSI ID external input ...

Page 68: ...r 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 These pins get high impedance status except above d LED and LED 5V Output signals CN1 A8 pin and CN2 21 22 pin These signals actuate the external LED as same as LED on the front panel of the disk drive The electrical requirements are given in Figure 4 19 IMPORTA...

Page 69: ...66 4 17 Figure 4 19 Output signal for external LED e WTP Input signal CN1 A12 and CN2 9 10 pin By connecting the CN1 A12 and CN2 10 pins to the GND writing operations into the IDD disc media are set to disable ...

Page 70: ...nts The requirements for cable connection between the IDD host system and power supply unit are given in Figure 4 20 Recommended components for connection are listed in Table 4 2 Figure 4 20 SCSI cables connection External operator panel example ...

Page 71: ...pply connector a SCA type SCSI The connector for the SCSI bus is an unshielded SCA 2 connector conforming to SCSI 3 type which has two 40 pin rows spaced 1 27 mm 0 05 inch apart Figure 4 22 shows the SCSI connector See Section B 2 in Appendix B 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 ...

Page 72: ...ure 4 22 SCA2 type SCSI connector 3 Connector for external operator panel This connector is not available for NC model drives 4 3 3 Cable connector requirements Table 4 2 lists the recommended components cable connection ...

Page 73: ...onnector 71780 003 FCI 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 terminal dedicated to SG is ...

Page 74: ...anel must be fabricated at the user site referring to the recommendation if necessary IDD C N 1 S3 A1 A3 A5 A7 A10 ID0 ID1 ID2 ID3 GND ID0 ID1 ID2 ID3 S3 A8 A11 LED 5V LED R Approx 300Ω 1 C N 2 S4 21 22 LED 5V LED LED for 16 bit SCSI 1 For connecting the external LED to CN2 Figure 4 23 External operator panel circuit example IMPORTANT Do not connect the external LED to both CN1 and CN2 Connect it ...

Page 75: ...t be strictly observed 1 General notes a Do not give the drive shocks or vibrations exceeding 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 Use an antis...

Page 76: ... or damaged d Keep a record of all maintenance work for replacing 4 Packaging a Store the drive in an antistatic vinyl pack b It is 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 is free from direct shocks In this case fully protect the PCAs and interface connector so that they are not...

Page 77: ...SCSI up to 16 devices including the host adapter IDD and other SCSI devices can be connected to the SCSI bus in arbitrary combinations Install a terminating resistor on the SCSI device connected to both ends of the SCSI cable See Section 4 4 for the cable connection requirements and power cable connections 1 Connecting one IDD ...

Page 78: ...5 4 C141 E166 2 Connecting more than one IDD single host Figure 5 1 SCSI bus connections 1 of 2 3 Connecting more than one IDD multi host SCSI terminator Figure 5 1 SCSI bus connections 2 of 2 ...

Page 79: ...settings 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 terminals except following setting pins during the power is turned on Write protect CN2 9 10 NP model only 3 To short the setting terminal use the short plug attached when the device is shipped from the fact...

Page 80: ...IMPORTANT When the SCSI ID is set using the external operator panel connector CN1 all pins listed in Table 5 1 should be open If any of pins are shorted unexpected SCSI ID is set 24 22 20 18 16 14 12 10 8 6 4 2 23 21 19 17 15 13 11 9 7 5 3 1 Terminator power supply Supply LED signal IDD Reset signal N C Force Single Ended LVD mode Force Narrow 16bit SCSI Motor start mode Write protect enabled SCSI...

Page 81: ...ort Short 1 Set at factory shipment IMPORTANT 1 Set the SCSI ID so that there are no duplicates between SCSI devices on the same SCSI bus 2 The priority of SCSI bus use in ARBITRATION phase is determined by SCSI ID as follows 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 5 3 2 Each mode setting NP model only 1 Setting terminator power supply Refer to Table 5 2 for controlling the supply of power from the ...

Page 82: ...ed on or the microcode is downloaded Short Refer to Chapter 3 of the SCSI Logical Interface Specifications for details of the START STOP UNIT command 3 Write protect When the write protect function is enabled writing to the disk medium is disabled Table 5 4 Write protect setting NP model only Write protect CN2 9 10 Write operation is enabled Open Write operation is disable Short 4 Setting of the S...

Page 83: ...I interface NP model only Bus width CN2 13 14 16 bit bus Open 8 bit bus Short 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 ...

Page 84: ...rements 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 F...

Page 85: ...ct power cable b Connect the external operator panel if required for NP model c Connect the SCSI cable d Fix the cables so that they do not touch the DE and PCAs or so that the smooth flow of the cooling air in the system cabinet is assured 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 c...

Page 86: ...ion in the case of setting so that motor starts with START STOP command a When power is turned on the LED blinks an instant and the IDD executes initial self diagnosis b If an error is detected in the initial self diagnosis the LED blinks c 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 star...

Page 87: ...de 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...

Page 88: ...5 14 C141 E166 Motor starts when power is turned on Figure 5 4 Checking the SCSI connection A 60 ...

Page 89: ...C141 E166 5 15 Motor starts by START STOP command Figure 5 5 Checking the SCSI connection B Executing time about 60 seconds ...

Page 90: ... when the system needs data attributes different from the default format all sides of the disk must be formatted initialized according to the procedures below The user can change the following data attributes at initialization Logical data block length Number of logical data blocks or number of cylinders in the user space Alternate spare area size This section outlines the formatting at installati...

Page 91: ... sides 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 Spe...

Page 92: ...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 IDD the saving operation for the MODE SELECT parameter is not executed So if t...

Page 93: ...ration 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 1 enabled 1 enabled 1 enabled 1 enabled 0 disabled 0 Correction is enabled Retry count at read operation Retry count at write operation Recovery time limit 63 63 30 sec b Verify error recovery p...

Page 94: ... 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 In a system without the disconnection function these parameters need not be specified 2 Determine the parameter values in consideration of the following performance factors of the system Time required for reconnection processing Average data tra...

Page 95: ... 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 th...

Page 96: ...neral procedures and notes on dismounting the drive It is 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 MC 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 po...

Page 97: ... The IDD has the following self diagnostic function This function checks the basic operations of the IDD Initial self diagnostics 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 Sub...

Page 98: ... the Internal test space of the disk drive 1 Initial self diagnostics 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 o...

Page 99: ...suing 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 is set to 1 the IDD executes the hardware function test seek position...

Page 100: ... 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 CAUTION Data loss When the SEND DIAGNOSTIC command terminates with the CHECK CONDITION status the INIT must collect the error information using the REQU...

Page 101: ...ENDED or VERIFY command 4 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 6 2 Maintenance Information 6 2 1 Precautions Take the following precautions to prevent injury during maintenance and troubleshooting CAUTION 1 To avoid shocks turn off the power before connecting or d...

Page 102: ... remove a PCA 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 6 2 2 Maintenance requirements 1 Preventive maintenance Preventive maintenance such as replacing air filters is not required CAUTION Damage Never open the disk enclosure in the field Open...

Page 103: ...ing information must be included a IDD model part number P N revision number serial number S N and date of manufacturing b Error status Date when the error occurred System configuration Environmental conditions temperature humidity and voltage c Error history d Error contents Outline of inconvenience Issued commands and specified parameters Sense data Other error analysis information CAUTION Data ...

Page 104: ...evels 1 Field maintenance disk drive replacement This replacement is done at the user s site Replacement uses standard tools Replacement is usually done by the user retail dealer distributor or OEM engineer 2 Factory maintenance parts replacement This replacement can only be done by Fujitsu Replacement includes maintenance training and OEM engineer support OEM engineers usually support retail deal...

Page 105: ... 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 corresp...

Page 106: ...ure 6 2 Indicating revision numbers 6 2 5 Tools and test equipment Disk drive troubleshooting and repair in the field require only standard hand 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 Initial seek operation check See Subsection 6 3 1 Operation test...

Page 107: ...Continue operation Check host system Table 6 2 Host system normal Analyze system related error Replaced or repair disk drive Disk drive normal Execute diagnostic test using a host computer or test equipment Test results OK Test using voltage or temperature stress Test results OK Normal Analyze disk drive error Table 6 3 Yes Yes No No Yes No Yes No Figure 6 3 Test flowchart ...

Page 108: ...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 t...

Page 109: ...ear e g abnormal noise in disk enclosure or burning of a PCA troubleshooting is straightforward 6 4 2 Troubleshooting with 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 ...

Page 110: ...nating resistor is correctly mounted on all disk drives Drive selection address Check that the disk drive selection address 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 dia...

Page 111: ...d Table 6 3 Disk drive troubleshooting Item Recommended action 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 er...

Page 112: ...he factory This manual does not cover troubleshooting at the factory level 6 4 5 Finding possibly faulty parts Finding possibly faulty parts in the field was explained in Subsection 6 4 2 This manual does not cover finding possibly faulty parts at the factory level ...

Page 113: ... Collection 7 1 1 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 ...

Page 114: ...ional sense data length 8 9 10 11 12 Sense code 13 Subsense code 14 X 00 15 SKSV 16 Sense key specific information 17 18 X 0 0 0 SCSI ID 19 CDB operation code 20 47 Figure 7 1 Format of extended sense data MSB Detail information LSB LSB Command specific information Information Additional information Basic information MSB ...

Page 115: ...c An error occurred in power on self diagnosis A hardware error occurred inside IDD A drive error occurred 1 3 1x 1x xx xx A disk read error occurred A disk read error occurred E 1D 00 Data discrepancy found by VERIFY command byte check 5 B B B B 2x 3D 90 47 49 4D 4E xx 00 00 xx 00 xx 00 An SCSI error such as an invalid operation code occurred The Reserve bit of the IDENTIFY message was set to 1 T...

Page 116: ...t 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 7 2 4 ...

Page 117: ...C141 E166 A 1 APPENDIX A SETTING TERMINALS A 1 Setting Terminals on NP model only This appendix describes setting terminals ...

Page 118: ...bit SCSI only Short Open Short Open SCSI ID 10 16 bit SCSI only Short Open Short Short SCSI ID 11 16 bit SCSI only Short Short Open Open SCSI ID 12 16 bit SCSI only Short Short Open Short SCSI ID 13 16 bit SCSI only Short Short Short Open SCSI ID 14 16 bit SCSI only Short Short Short Short SCSI ID 15 16 bit SCSI only Write protect Open Write operation is enabled Short Write operation is disabled S...

Page 119: ...ENDIX B CONNECTOR SIGNAL ALLOCATION B 1 SCSI Connector Signal Allocation 68 pin type LVD 16 bit SCSI B 2 SCSI Connector Signal Allocation SCA2 type LVD 16 bit SCSI This appendix describes the connector signal allocation ...

Page 120: ...08 DB02 DB02 42 09 DB03 DB03 43 10 DB04 DB04 44 11 DB05 DB05 45 12 DB06 DB06 46 13 DB07 DB07 47 14 P_CRCA P_CRCA 48 15 GND GND 49 16 DIFFSNS GND 50 17 TERMPWR TERMPWR 51 18 TERMPWR TERMPWR 52 19 Reserved Reserved 53 20 GND GND 54 21 ATN ATN 55 22 GND GND 56 23 BSY BSY 57 24 ACK ACK 58 25 RST RST 59 26 MSG MSG 60 27 SEL SEL 61 28 C D C D 62 29 REQ REQ 63 30 I O I O 64 31 DB08 DB08 65 32 DB09 DB09 6...

Page 121: ...09 DB09 DB09 49 10 DB08 DB08 50 11 I O I O 51 12 REQ REQ 52 13 C D C D 53 14 SEL SEL 54 15 MSG MSG 55 16 RST RST 56 17 ACK ACK 57 18 BSY BSY 58 19 ATN ATN 59 20 P_CRCA P_CRCA 60 21 DB07 DB07 61 22 DB06 DB06 62 23 DB05 DB05 63 24 DB04 DB04 64 25 DB03 DB03 65 26 DB02 DB02 66 27 DB01 DB01 67 28 DB00 DB00 68 29 DBP1 DBP1 69 30 DB15 DB15 70 31 DB14 DB14 71 32 DB13 DB13 72 33 DB12 DB12 73 34 5V 5V RETUR...

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Page 123: ...5 BCRC 3 8 block address of user space 3 10 bock descriptor 5 16 C cache feature 1 3 caching parameter 5 21 changing revision number in field 6 9 check before mounting 5 10 check items at illegal operation 5 12 checking at abnormal end 5 16 checking procedure 5 13 checking SCSI connection 5 13 5 14 5 15 CN1 B 3 CN2 setting terminal A 2 command queuing feature 1 3 compactness 1 2 confirming initial...

Page 124: ... seek operation check 6 12 initial self diagnostic 6 2 installation 5 1 installation requirement 4 1 installation removal replacement 5 2 interface SCSI bus test 6 5 internal test space 3 4 L large capacity 1 5 leak magnetic flux 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 mainte...

Page 125: ...data analysis 7 3 sense key sense code and subsense code 7 1 service clearance area 4 6 service life 6 6 service system and repair 6 7 setting bus width of SCSI interface 5 9 setting check list NP model only 5 10 setting of SCSI interface operation mode 5 8 5 9 setting parameter 5 18 setting SCSI terminator power supply 5 7 setting terminal 5 5 A 1 setting terminal on NP model only A 2 setting ter...

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Page 127: ...88 Rungis Cedex FRANCE TEL 33 1 41 80 38 80 FAX 33 1 41 80 38 66 FUJITSU ICL ESPAÑA S A Almagro 40 28010 Madrid SPAIN TEL 34 91 581 8000 FAX 34 91 581 8300 FUJITSU AUSTRALIA LIMITED 2 Julius Avenue Cnr Delhi Road North Ryde N S W 2113 AUSTRALIA TEL 61 2 9776 4555 FAX 61 2 9776 4556 FUJITSU HONG KONG LTD 10 F Lincoln House 979 King s Road Taikoo Place Island East Hong Kong TEL 852 2827 5780 FAX 852...

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Page 129: ... this publication What is your occupation Your other comments may be entered here Please be specific and give page paragraph and line number references where applicable Your Name Return Address Sales Operating Installing Maintaining Learning Reference Fair Poor Very Good Good Very Poor Fully covered Well Illustrated Thank you for your interest Please send this sheet to one of the addresses in a pr...

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