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Fujitsu MAS3184NC - Enterprise 18.4 GB Hard Drive Product/Maintenance Manual Download Page 48

3-14

C141-E185

(2)

Alternate block allocation by REASSIGN BLOCKS command

When the REASSIGN BLOCKS command is specified, the alternate block is allocated to the
defective logical data block specified by the initiator by means of alternate sector treatment.  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.

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 IDD automatically executes the alternate block allocation and data duplication on
the defective data block detected during the READ or READ EXTENDED command.  This
allocation method is the same as with the REASSIGN BLOCKS command (alternate sector
treatment).

:  Unused spare sector

:  Defective sector

:  n represents a logical data block number

Summary of Contents for MAS3184NC - Enterprise 18.4 GB Hard Drive

Page 1: ...C141 E185 01EN MAS3735NC NP MAS3367NC NP MAS3184NC 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 E185 i REVISION RECORD Edition Date published Revised contents 01 November 2002 Specification No C141 E185 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 MAS series disk drives CHAPTER 5 INSTALLATION This chapter explains how to install MAS series disk drives It ...

Page 6: ... IMPORTANT This indicates information that the helps the user use the product more effectively CONVENTIONS USED IN THIS MANUAL The MAS3735NC NP MAS3367NC NP and MAS3184NC 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 ...

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: ...ions 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 Externa...

Page 12: ...es 5 12 5 6 Confirming Operations after Installation and Preparation for Use 5 13 5 6 1 Confirming initial operations 5 13 5 6 2 Checking SCSI connection 5 14 5 6 3 Formatting 5 17 5 6 4 Setting parameters 5 19 5 7 Dismounting Drives 5 23 5 8 Spare Disk Drive 5 23 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 Inform...

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...

Page 14: ...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 Spin up current waveform 12 VDC 4 8 Figure 4 9 Power on off sequence 1 4 8 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 filt...

Page 15: ...le 4 21 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 15 Figure 5 5 Checking the SCSI connection B 5 16 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 ...

Page 16: ... Motor start mode setting 5 8 Table 5 4 Write protect setting NP model 5 9 Table 5 5 Setting of the SCSI interface operation mode NP model 5 9 Table 5 6 Setting the bus width of the SCSI interface NP model 5 9 Table 5 7 Default mode settings by CHANGE DEFINITION command 5 10 Table 5 8 Setting check list NP model only 5 11 Table 6 1 Self diagnostic functions 6 1 Table 6 2 System level field trouble...

Page 17: ...AS 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 18: ...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 19: ...nnect 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 the IDD reads automatically and stores ...

Page 20: ...a defective data block is detected during read or write the IDD can automatically reassign its 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 IMPORTANT Error rate increase 1 The drive format at factory shipm...

Page 21: ... 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 22: ...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 23: ...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 24: ...rotating 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 demo...

Page 25: ... 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 SCSI bus 14 15 Figure 1 4 System configuration ...

Page 26: ...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 27: ...rface connector type when shipped Table 2 1 lists the model name and order number The data format can be changed by reinitializing with the user s system Table 2 1 Model names and order numbers Model name Order number SCSI type Capacity user area Number of disks Number of heads MAS3735NC CA06227 B400 SCA2 LVD MAS3735NP CA06227 B460 68 pin LVD 73 49 GB 4 8 MAS3367NC CA06227 B200 SCA2 LVD MAS3367NP ...

Page 28: ...op 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 80 kg Power consumption 5 11 5 W 8 7 W 7 5 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 Cable...

Page 29: ...div Seek tim ms 4 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 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 ...

Page 30: ...erating 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 2451 7m s2 250G 2 ms Shock 2 Transport packaged 2451 7m s2 250G 2 ms Operating 300 m to 3 000 m Altitute above sea level Non operating 300 m to 12 000 m Ready Average 0 75 A 0 52 A 0 42A Peak within 100 µs at spin up 3 0 A...

Page 31: ...5 bits CAUTION Data loss For MAS series Reed Solomon codes are applied for their ECC The sector data is divided into 4 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 4 interleave 20 byte If the error of read sector keeps allowable error byte number correction is performed However if error byte exce...

Page 32: ...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 33: ...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...

Page 34: ...This page is intentionally left blank ...

Page 35: ...lock 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...

Page 36: ...to Cylinder 92 SA0 SA84 Internal test cylinder User Space for Cell 0 0 Spare Sectors per Cell 0 0 User Space for Cell 1 0 Spare Sectors per Cell 1 0 User Space for Cell P1 0 Spare Sectors per Cell P1 0 User Space for Cell xx 1 User Space for Cell yy 17 Zone Cell Cylinder 0 1 0 27 28 29 1 55 0 m 27 P1 m 1 1 17 n Figure 3 1 Cylinder configuration Apart from the above logical configuration the IDD in...

Page 37: ...41 27 149 26 841 27 205 285 696 558 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 38: ... 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 ...

Page 39: ...number of alternate cylinders can not be changed Figure 3 3 Alternate cylinder 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...

Page 40: ...ch 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 th...

Page 41: ...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 42: ... 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 40 byte code that allows detection and correction of errors in the data field...

Page 43: ...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 Model Data heads Data block length User blocks Format capacity GB MAS3735NC NP 8 143 552 136 73 49 MAS3367NC NP 4 71 819 496 36 77 MAS3184NC NP 2 512 35 890 512 18 37 Note T...

Page 44: ...ned in the same cell according to steps 1 to 4 subsequent logical data blocks are assigned in ascending order of cell number in the same way as in steps 1 to 4 Logical data blocks are assigned starting from track 0 in the next cell until the last cylinder immediately preceding the alternate cylinder n 1 shown in Figure 3 1 of the zone except alternate cylinders in cells in the user space When the ...

Page 45: ...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 46: ...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 47: ... are detected during FORMAT UNIT command the IDD allocates the alternate block s to the defective data blocks Reassign procedure itself is the same as one in REASSIGN BLOCKS command 1 Certification is permitted when DCRT flag is cleared DCRT flag 0 in FORMAT UNIT command The IDD checks all initialized logical data blocks by reading them out after the above alternate block allocation is made to ini...

Page 48: ...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 49: ...epeated 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 update processing o...

Page 50: ...ce 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 d...

Page 51: ...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 ...

Page 52: ...4 2 C141 E185 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 1 NC external dimensions ...

Page 53: ...C141 E185 4 3 The value marked with indicates the dimension between mounting holes on the bottom face Figure 4 2 NP external dimensions ...

Page 54: ... 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 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 b...

Page 55: ...ing 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 Use four holes No 1 4 to mount Holes for mounting screw Do not use these holes Holes for mounting screw 1 2 3 4 Figure 4 5 Limitation of side mounting 5 0 or...

Page 56: ... air flow so that the DE surface temperature does not exceed 60 C 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 No Measurement point Criteria 1 Center of DE cover 60 C 2 Read channel...

Page 57: ... connector 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 do...

Page 58: ...35NC NP Current 500mA div Time 2 sec div MAS3184NC NP MAS3367NC NP Current 500mA div Current 500mA div Time 2 sec div Time 2 sec div Figure 4 8 Spin up 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 the requi...

Page 59: ...C 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 must be satisfied ...

Page 60: ...hould be started after a delay of 12 seconds times SCSI ID by setting CN1 38 pin to open and CN1 78 pin to short SCSI ID Delay time of spindle motor starting 0 1 2 15 0 12 s 24 s 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 t...

Page 61: ...nection 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 ...

Page 62: ... is included in the SCSI connector Figure 4 14 shows the SCSI connector See Section B 1 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 Physical Interface Specifications Figure 4 14 SCA2 type 16 bit SCSI connector 3 Connector for external operator panel This connector is not ava...

Page 63: ...External operator panel connector CN1 Figure 4 15 NP connectors and terminals location 2 SCSI connector and power supply connector a 16 bit SCSI The connector for the SCSI bus is an unshielded P connector conforming to SCSI 3 type which has two 34 pin rows spaced 1 27 mm 0 05 inch apart Figure 4 16 shows the SCSI connector See Section B 2 in Appendix B for the signal assignments on the SCSI connec...

Page 64: ...l 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 Connector for 16 bit SCSI external operator panel CN1 provides connector for the external operator panel other than the SCSI bus as shown in Figure 4 18 Also a connector for the exter...

Page 65: ...rnal operator panel connector CN1 2 0mm 2 0mm Pin 24 Pin 23 Pin 2 Pin 1 Figure 4 19 External operator panel connector CN2 Pin Signal A1 ID0 A2 Fault LED A3 ID1 A4 ESID A5 ID2 A6 Reserved A7 ID3 A8 LED A9 OPEN A10 GND A11 5 V A12 WTP ...

Page 66: ...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 20 shows the electrical requirements For the recommended circuit examples see Subsection 4 3 4 Figure 4 20 16 bit SCSI ID external input ...

Page 67: ...ower 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 pin These signals drive the external LED as same as LED on the front of the disk drive The electrical requirements are given in Figure 4 21 IMPORTANT 1 T...

Page 68: ...41 E185 Figure 4 21 Output signal for external LED e WTP Input signal CN1 A12 and CN2 9 10 pin By connecting the CN1 A12 and CN2 10 pins to the GND writing operations into the IDD disc media are set to disable ...

Page 69: ...nts 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 Figure 4 22 SCSI cables connection External operator panel example ...

Page 70: ...ELECTRIC Contact A3B 2630SCC HIROSE ELECTRIC External operator panel CN1 Cable AWG26 to 36 S3 Cable socket housing FCN 723J024 2M FUJITSU TAKAMIZAWA Contact FCN 723J G AM FUJITSU TAKAMIZAWA NP External operator panel CN2 Cable AWG28 S4 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...

Page 71: ...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 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 L...

Page 72: ...4 22 C141 E185 IMPORTANT Do not connect the external LED to both CN1 and CN2 Connect it to either of them ...

Page 73: ...st 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 ESD ...

Page 74: ... lost or damaged d Keep a record of all maintenance work for replacing 4 Packaging a Store the drive in an antistatic bag 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 d...

Page 75: ...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 76: ...5 4 C141 E185 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 77: ...ws the allocation and default settings NP model only For allocation of NC model see Table B 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 se...

Page 78: ...5 2 and 5 3 IMPORTANT When the SCSI ID is set using the external operator panel connector CN1 of NP model 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 16 bit SCSI Motor start mode W...

Page 79: ...pen 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 To set the setting terminals on NC models to short apply voltage ranging between 0 3 V and 0 8 V to the s...

Page 80: ...tor start mode setting NC model 3 NP model Start timing of the spindle motor CN1 38 CN1 78 CN2 11 12 Starting of the motor is controlled with the START STOP UNIT command Short Open or Short Open The motor is started immediately after the power supply is turned on or after the microcode is downloaded Open Open Short 1 The motor is started after the elapse of a delay time that is based on the SCSI I...

Page 81: ... model Operation mode CN2 15 16 Follows the DIFFSNS signal level on the SCSI bus Open 1 Single Ended mode Short 1 Set at factory shipment For NC model the function of the SCSI interface operation mode is not supported so the SCSI interface operation mode follows the level of the DIFFSNS signal on the SCSI bus 5 Setting the bus width of the SCSI interface By establishing a short circuit between CN2...

Page 82: ...pment 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 Mode setting Contents SCSI level SCSI 3 SYNCHRONOUS DATA TRANSFER REQUEST message sending Not sent from IDD UNIT ATTENTION report mode Reported Reselection retry count Not restricted WIDE DATA TRANSFER REQUEST message sending Not sent fro...

Page 83: ... 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...

Page 84: ...rator 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 cable if the power is turned on the overcu...

Page 85: ...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 86: ...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 87: ...C141 E185 5 15 Motor starts when power is turned on Figure 5 4 Checking the SCSI connection A 60 Self test 1 Unit Of 1 No parameter ...

Page 88: ...5 16 C141 E185 Motor starts by START STOP command Figure 5 5 Checking the SCSI connection B Executing time about 60 seconds ...

Page 89: ...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 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 inst...

Page 90: ...s 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 ...

Page 91: ...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 92: ...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 93: ... 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 94: ... 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 95: ...e general 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 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 connecto...

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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: ... A2 Rev A3 At shipment Revising at field Figure 6 2 Indicating revision numbers 6 2 5 Tools and test equipment Disk drive 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 Initial seek operati...

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: ...ar burst connection check that the terminating resistor is correctly mounted on all disk drives Drive selection address Check that the disk SCSI ID is set correctly Plug setup Check that the jumpers on the 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 exec...

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 E185 A 1 APPENDIX A SETTING TERMINALS A 1 Setting Terminals on NP model only This appendix describes setting terminals ...

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

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

Page 120: ...9 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 RETURN...

Page 121: ...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...

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Page 123: ...BCRC 3 8 block address of user space 3 10 bock descriptor 5 17 C cache feature 1 3 caching parameter 5 22 changing revision number in field 6 9 check before mounting 5 11 check items at illegal operation 5 13 checking at abnormal end 5 17 checking procedure 5 14 checking SCSI connection 5 14 5 15 5 16 CN1 B 2 B 3 CN2 setting terminal A 2 command queuing feature 1 4 compactness 1 2 confirming initi...

Page 124: ...ek 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 6 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 maintenan...

Page 125: ...nse data analysis 7 3 sense key sense code and subsense code 7 1 service clearance area 4 7 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 11 setting of SCSI interface operation mode 5 9 setting parameter 5 19 setting SCSI terminator power supply 5 8 setting terminal 5 5 A 1 setting terminal on NP model only A 2 setting ter...

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Page 127: ... G Good F Fair P Poor General appearance Technical level Organization Clarity Accuracy Illustration Glossary Acronyms Abbreviations Index Comments Suggestions List any errors or suggestions for improvement Page Line Contents 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...

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