Fujitsu MAX3036RC SERIES Product/Maintenance Manual Download Page 53

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4.3 Connection Requirements

C141-E237

4-11

4.3.3

Ready LED output signal

Figure 4.11 shows a recommended circuit for external LED connection to Ready LED output
signal.

Figure 4.11 Recommended external circuit for Ready LED output

3.3 V or +5 V can be used for external power supply for LED (Vcc). Current limiting
resister (R) value need to be adjusted depend on the Vcc voltage. For +3.3 V Vcc voltage,
recommended resistance is 220

Ω

. For +5 V Vcc voltage, recommended resistance is 330

Ω

Summary of Contents for MAX3036RC SERIES

Page 1: ...C141 E237 01EN MAX3147RC MAX3073RC MAX3036RC HARD DISK DRIVES PRODUCT MAINTENANCE MANUAL ...

Page 2: ...for incidental or consequential damages arising therefrom FUJITSU 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 E237 REVISION RECORD Edition Date published Revised contents 01 July 2005 Specification No C141 E237 EN ...

Page 4: ...ands 2 SPC 2 T10 996D Rev 8c NCITS 306 1998 SCSI 3 Block Commands SBC T10 1157D Rev 24 SCSI Architecture Model 2 SAM 2 T10 1561D Rev 14 SCSI Architecture Model 3 SAM 3 T10 1562D Rev 05 Serial Attached SCSI SAS T10 1601D Rev 07 Serial Attached SCSI Model 1 1 SAS 1 1 1 ANSI American National Standard Institute In case of conflict between this manual and any referenced document this manual takes prec...

Page 5: ...and system configuration Chapter 2 Specifications This chapter gives detailed specifications of the disk drives 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 th...

Page 6: ...perform the procedure correctly This alert signal also indicates that damages to the product or other property may occur if the user does not perform the product correctly This indicates information that could help the user use the product more efficiently In the text the alert signal is centered followed below by the indented message A wider line space precedes and follows the alert message to sh...

Page 7: ...ome hot during operation and remain hot immediately after turning off the power 5 1 5 10 Damage 1 When dismounting the drive which is mounted on the system while power is supplied to it The spindle motor can be stopped by a START STOP command It takes about 30 seconds for the spindle motor to stop completely Then dismount the drive using the drive mounting dismounting mechanism etc of the system I...

Page 8: ...uesting repair Fujitsu does not assume responsibility if data is destroyed during servicing or repair 6 5 Electrical shock Never touch the HDDs while power feeding 6 5 Damage 1 Always ground yourself with a wrist strap connected to ground before handling ESD Electrostatics Discharge may cause the damage to the device 2 Never use a conductive cleaner to clean the HDDs 3 Never remove any labels from...

Page 9: ... 2 Specifications 3 Data Format 4 Installation Requirements 5 Installation 6 Diagnostics and Maintenance 7 Error Analysis INTERFACE SPECIFICATIONS 1 Interface 2 Command Processing 3 Data Buffer Management 4 Command Specifications 5 Sense Data and Error Recovery Methods 6 Disk Media Management ...

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Page 11: ...ns 2 2 2 1 3 Environmental specifications 2 4 2 1 4 Error rate 2 5 2 1 5 Reliability 2 5 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 6 3 1 5 Format capacity 3 8 3 2 Logical Data Block Addressing 3 8 3 3 Defect Management 3 10 3 3 1 Defect list 3 10 3 3 2 Alternate block allocation 3 10 CHA...

Page 12: ...ting 5 3 5 2 1 Port Address 5 3 5 3 Mounting Drives 5 3 5 3 1 Mounting procedures 5 3 5 4 Checking Operation after Installation and Preparing the HDDs for Use 5 4 5 4 1 Checking initial operation 5 4 5 4 2 Formatting 5 5 5 4 3 Setting parameters 5 7 5 5 Dismounting Drives 5 10 5 6 Spare Disk Drive 5 10 CHAPTER 6 Diagnostics and Maintenance 6 1 6 1 Diagnostics 6 1 6 1 1 Self diagnostics 6 1 6 1 2 T...

Page 13: ...3 6 4 4 Troubleshooting with parts replacement in the factory 6 14 6 4 5 Finding possibly faulty parts 6 14 CHAPTER 7 Error Analysis 7 1 7 1 Error Analysis Information Collection 7 1 7 1 1 Sense data 7 1 7 1 2 Sense key additional sense code and additional sense code qualifier 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 32 01 4 4...

Page 14: ...3 11 Figure 3 8 Alternate block allocation by REASSIGN BLOCKS command 3 12 Figure 4 1 Dimensions 4 1 Figure 4 2 HDD orientations 4 2 Figure 4 3 Mounting frame structure example 4 3 Figure 4 4 Limitation of side mounting 4 4 Figure 4 5 Surface temperature measurement points 4 5 Figure 4 6 Service clearance area 4 6 Figure 4 7 Current waveform 12V DC 4 7 Figure 4 8 AC noise filter 4 8 Figure 4 9 Con...

Page 15: ...rements 2 4 Table 3 1 Format capacity 3 8 Table 4 1 Surface temperature check point and maximum temperature 4 5 Table 4 2 Interface connector SAS plug signal allocation CN1 4 10 Table 6 1 Self diagnostic functions 6 1 Table 6 2 System level field troubleshooting 6 12 Table 6 3 Disk drive troubleshooting 6 13 Table 7 1 Definition of sense data 7 3 ...

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Page 17: ...mand set the HDD facilitate creation of high performance and highly reliable disk subsystems with large storage capacities 1 1 Standard Features 1 Compactness The HDDs are a compact enclosure which complies with the 3 5 disk drive form factor 2 Restriction of Use of Hazardous Substances The amounts of hazardous substances in use in these HDDs have been reduced in accordance with the Restriction of...

Page 18: ...dressing method of data blocks is logical block address The initiator INIT can access data by specifying block number in a logically continuous data space without concerning the physical structure of the track or cylinder boundaries The continuous processing up to 64K 1 blocks in a command can be achieved and the HDDs can perform continuous read write operation when processing data blocks on sever...

Page 19: ...s in the disk drive using its powerful retry processing If a recoverable data check occurs error free data can be transferred to the INIT after being corrected in the data buffer The INIT software is released from the complicated error recover processing by these error recovery functions of the HDDs 12 Automatic alternate block reassignment If a defective data block is detected during read or writ...

Page 20: ...m with large capacity can be constructed in the good space efficiency 17 Start Stop of spindle motor Using the SAS primitive or the SCSI command the host system can start and stop the spindle motor 18 Diagnosis The HDDs have a diagnostic capability which checks internal controller functions and drive operations to facilitate testing and repair 19 Low power consumption By using highly integrated LS...

Page 21: ...a feedback circuit using the counter electromotive current to precisely maintain the specified speed 4 Actuator The actuator which uses a rotary voice coil motor VCM consumes little power and generates little heat The heads at the end of the actuator arm are controlled and positioned via feedback servo loop The heads are positioned on the CCS zone over the disks when the power is off or the spindl...

Page 22: ...onment Figure 1 2 Example of SAS system configuration Dual port internal backplane environment 1 Port addressing Every device connected with the SAS protocol has a unique address SAS address SAS addresses are in the Name Address Authority NAA IEEE Registered format defined by SCSI Primary Command 3 SPC 3 An SAS address consists of 8 bytes as a unique value set for each device The INIT can implemen...

Page 23: ...as different recording capacities 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 Interface type Capacity user area MAX3147RC CA06697 B400 SAS 147 GB MAX3073RC CA06697 B200 SAS 73 5 GB MAX3036RC CA06697 B100 SAS 36 7 GB 1 GB 1 000 000 000 bytes ...

Page 24: ...al dimensions Height Width Depth 25 4 mm 101 6 mm 146 0 mm Weight 0 8 kg max Power consumption 5 11 5 W typ Interface SAS Cable length 8 m max Areal density 58 Gbit inch2 Disk drive 147 MB s Data transfer rate 6 SAS 1 5 Gbps 3 Gbps Logical data block length 512 to 528 byte Fixed length 7 Command specification SAS T10 1562D Rev 05 SAS1 1 T10 1601D Rev 07 SAM 3 T10 1561D Rev 14 SAM 2 T10 1157D Rev 2...

Page 25: ...n the HDDs are ready and the stop time is the time for disks to completely stop from power off or stop command 5 This value indicates in idle mode Power supply at nominal voltage 1 25 C ambient 6 The maximum data transfer rate may be restricted to the response speed of initiator and by transmission characteristics 1 MB s 1 000 000 bytes s 7 Refer to 1 1 12 8 1 MB 1 048 576 bytes ...

Page 26: ...um wet bulb temperature 29 C no condensation Operating 3 0 6 mm 5 to 20Hz 9 8 m s2 1G 20 to 300 Hz or less Non operating 4 3 1 mm 5 to 20Hz 49 m s2 5G 20 to 300Hz or less Vibration 2 Transport packaged 3 1 mm 5 to 20Hz 49 m s2 5G 20 to 300Hz or less Operating 637 4 m s2 65G 2ms Non operating 2451 7 m s2 250G 2ms Shock 2 Transport packaged 2451 7 m s2 250G 2ms Operating 305 to 3 048 m 1 000 to 10 0...

Page 27: ...tributed over the disk medium equally 1 Unrecoverable error rate Errors which cannot be recovered within 63 retries and ECC correction should not exceed 10 per 1016 bits read 2 Positioning error rate Positioning errors which can be recovered by one retry should be 10 or less per 108 seeks 2 1 5 Reliability 1 Mean Time Between Failures MTBF MTBF of the HDDs during their life time is 1 400 000 hours...

Page 28: ... 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 Exceeding 60 C Without warranty Keep the DE surface temperature 60 C or less Even if the HDDs are used intermittently the longest service life is 5 years Note The average DE surface temperature means the ave...

Page 29: ...data block addressing method described in Section 3 2 The internal test space is used by Read write test of self diagnostics test but user can t use direct access The system space is accessed inside the HDDs 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 HDDs allocate cylinders to the user space intern...

Page 30: ...nd of the track because of a track skew or a cylinder skew Details are explained in Subsection 3 1 3 Figure 3 1 Cylinder configuration Apart from the above logical configuration the HDDs intend to increase the storage capacity by dividing all cylinders into several zones and changing a recording density of each zone ...

Page 31: ...ll not be used Always one cylinder is located at the end of each zone in the user space as an alternate cylinder Alternate cylinders will be used for alternate blocks See Subsections 3 1 2 and 3 3 2 for details 2 Internal test space The internal test space is an area for diagnostic purposes only and its data block length is always 512Byte The internal test space consists of 8 cylinders and outer m...

Page 32: ...pecified by the MODE SELECT command The number of spare sectors per cell can be specified from 0 to 200 The default for the spare sectors number is 200 Note This drive manages alternate spare areas for each cell which is a set of cylinders One cell consists of 27 cylinders Figure 3 2 Spare area in cell An alternate cylinder is used when spare sectors in a cell are used up or 0 is specified as the ...

Page 33: ...ormat 2 Track skew and head skew To avoid waiting for one turn involved in head and cylinder switching the first logical data block in each track is shifted by the number of sectors track skew and head skew corresponding to the switching time Figure 3 5 shows how the data block is allocated in each track At the head switching location in a cylinder the first logical data block in track t 1 is allo...

Page 34: ...y determine appropriate values for the track skew factor and the head skew factor according to the specified logical data block length The value can be read out by the MODE SENSE or MODE SENSE EXTENDED command after the track has been formatted 3 1 4 Sector format Each sector on the track consists of an ID field a data field and a gap field which separates them Figure 3 6 gives sector format examp...

Page 35: ...e 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 400 bits code that allows detection and correction of errors in the ...

Page 36: ...a 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 1 Format capacity Model Data block length User blocks Format capacity GB MAX3147RC 287 277 984 147 0 MAX3073RC 143 638 992 73 5 MAX3036RC 512 71 819 496 36 7 1 GB 1 000 000 000 bytes Note T...

Page 37: ... same cell according to steps 1 to 4 subsequent logical data blocks are assigned in ascending order of cell number in the same way as in steps 1 to 4 Logical data blocks are assigned starting from track 0 in the next cell until the last cylinder immediately preceding the alternate cylinder n 1 shown in Figure 3 1 of the zone except alternate cylinders in cells in the user space When the logical da...

Page 38: ...ans of the defect management method inside the HDDs The INIT can access all logical data blocks in the user space as long as there is no error Spare sectors to which alternate blocks are allocated can be provided in alternate cylinders See Subsection 3 1 2 for details The INIT can specify the size and area for spare sectors by the MODE SELECT command at the time of the initialization of the disk B...

Page 39: ... the alternate cylinder are allocated to the subsequent sectors in the cylinder by means of alternate sector treatment Figure 3 7 is examples of the alternate block allocation during the FORMAT UNIT command execution Figure 3 7 Alternate block allocation by FORMAT UNIT command During FORMAT UNIT command alternate block allocation is conducted in following cases 1 Unrecovered write offtrack conditi...

Page 40: ...ocation is made to initialize format the disk 2 Alternate block allocation by REASSIGN BLOCKS command When the REASSIGN BLOCKS command is specified the alternate block is allocated to the defective logical data block specified by the initiator by means of alternate sector treatment The alternate block is allocated to unused spare sectors in the alternate cylinder Figure 3 8 is examples of the alte...

Page 41: ...of the above commands is issued to LBA registered in the uncorrectable error log of the READ command LBA log of uncorrectable error while the READ command is executed the AWRE processing is applied 3 AWRE processing The following processings are performed when the LBA matches the one in the uncorrectable error log a Primary media check Creates an uncorrectable error pattern invalid LBA pattern in ...

Page 42: ...hrough the setting terminal the auto alternate block allocation processing specification is disabled Automatic alternate block allocation is made up to the following quantities during the execution of one command ARRE Twice AWRE Type 1 Eight times AWRE Type 2 Maximum number which can be processed within the recovery time limit If more than the above mentioned defective block is detected the altern...

Page 43: ...Requirements 4 3 Connection Requirements This chapter describes the environmental mounting power supply and connection requirements 4 1 Mounting Requirements 4 1 1 Dimensions Figures 4 1 show the dimensions of the HDDs and the location of the mounting screw holes Units mm Figure 4 1 Dimensions ...

Page 44: ...e permissible orientations of the HDDs are shown in Figure 4 2 and the tolerance of the angle is 5 from the horizontal plane a Horizontal 1 b Horizontal 2 c Vertical 1 d Vertical 2 e Upright mounting 1 f Upright mounting 2 Figure 4 2 HDD orientations Direction of gravity ...

Page 45: ...an embossed structure or the like Mount the HDDs with making a gap of 2 5 mm or more between the HDDs and the frame of the system b As shown in Figure 4 3 the inward projection of the screw from the HDD frame wall at the corner must be 5 0 mm or less c Tightening torque of screw must be secured with 0 59 N m 6 kgf cm 12 d Impact caused by the electric screwdriver must be within the drive specifica...

Page 46: ...se of using the center hole it must be used in combination with 2 holes on both ends Total 6 screws for 6 holes enclosed 2 3 4 Holes for mounting screw In case of using a center hole use it in combination with the holes of both ends Holes for mounting screw 1 Use four holes No 1 to No 4 to mount Figure 4 4 Limitation of side mounting 4 Limitation of bottom mounting Use all 4 mounting holes on the ...

Page 47: ... the cooling effect by measuring the surface temperature of specific ICs and the DE These measurement results must satisfy the temperature condition listed in Table 4 1 Keeping the DE surface temperature at 50 C or below at ambient temperature 30 C which is a condition for assuring an MTBF of 1 400 000 hours requires an air flow of 0 5 m s or more Table 4 1 Surface temperature check point and maxi...

Page 48: ...rface X Holes for mounting screw Both side Figure 4 6 Service clearance area 7 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 8 Leak magnetic flux The HDDs use a high performance magnet to achieve a high speed seek Therefore a leak magnetic flux at surface of the HDDs are large Mount the HDD...

Page 49: ...m 12V DC 3 Power on off sequence The order of the power on off sequence of 5V DC and 12V DC supplied to the HDDs does not matter 4 Sequential starting of spindle motors After power is turned on to the HDDs a large amount of current flows in the 12V DC line when the spindle motor rotation starts Therefore if more than one HDD is used the spindle motors should be started sequentially using one of th...

Page 50: ...The specification of this noise filter is as follows Attenuation 40 dB or more at 10 MHz Circuit construction T configuration as shown in Figure 4 8 is recommended Figure 4 8 AC noise filter 4 3 Connection Requirements 4 3 1 Connector location Figure 4 9 shows a location of the interface connector Interface connector CN1 power lines included Figure 4 9 Connector location ...

Page 51: ...41 E237 4 9 4 3 2 Interface connector Figure 4 10 shows the SAS type interface connector SAS plug overview Table 4 2 lists the signal allocation of the SAS plug on the HDDs S1 S7 P1 P15 S14 S8 Figure 4 10 SAS plug connector overview ...

Page 52: ...S Secondary Port Receive negative signal S11 GND GND for SAS Secondary Port S12 TS SAS Secondary Port Transmit negative signal S13 TS SAS Secondary Port Transmit positive signal S14 GND GND for SAS Secondary Port P1 Note1 Reserved not used Not used P2 Note1 Reserved not used Not used P3 Note1 Reserved not used Not used P4 GND GROUND P5 GND GROUND P6 GND GROUND P7 5V Charge Pre charge pin for 5V P8...

Page 53: ...o Ready LED output signal Figure 4 11 Recommended external circuit for Ready LED output Either 3 3 V or 5 V can be used for external power supply for LED Vcc Current limiting resister R value need to be adjusted depend on the Vcc voltage For 3 3 V Vcc voltage recommended resistance is 220 Ω For 5 V Vcc voltage recommended resistance is 330 Ω ...

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Page 55: ...served 1 General notes a Do not give the drive shocks or vibrations exceeding the value defined in the specifications 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 antistatic mat ...

Page 56: ...damaged c Keep a record of all maintenance work for replacing 4 Packaging a Store the drive in the antistatic case Fcell 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 PCA and interface connector so that they are not dam...

Page 57: ...nted if it is difficult to access the connector after the drive is mounted on the system cabinet connect the external operator panel cable before mounting the drive 2 Fix the drive in the system cabinet with four mounting screws as follows The drive has 10 mounting holes both sides 3 2 bottom 4 Fix the drive by using four mounting holes of both sides of the drive or the bottom Use mounting screws ...

Page 58: ...m that the transfer rate and HDD SAS addresses can be recognized during the LINK RESET sequence b Issue the INQUIRY WRITE BUFFER and READ BUFFER commands to verify that data is received and transmitted normally in the interface 3 Verifying disk drive operation When the LINK RESET sequence has completed the host system can issue a spindle motor start instruction and check whether the disk drive is ...

Page 59: ...ge the following data attributes at initialization Logical data block length Number of logical data blocks in the user space Alternate spare area size This section outlines the formatting at installation Refer to Subsection 4 1 4 MODE SELECT 15 4 1 5 MODE SELECT EXTENDED 55 of the Interface Specifications for further details 1 MODE SELECT MODE SELECT EXTENDED command Specify the format attributes ...

Page 60: ... initialization the value 00 is written into all bytes of all logical data blocks Only the position information of defect blocks detected with verification is registered in the G list The specifications are as follows a Specifying CDB Specify 0 for the FmtData bit and the CmpLst bit on CDB 000 for the Defect List Format field and data pattern written into the data block at initialization for the i...

Page 61: ...terface Specifications for further details of the MODE SELECT and MODE SELECT EXTENDED commands and specifying the parameters 1 At factory shipment of the HDDs the saving operation for the MODE SELECT parameter is not executed So if the user does not set parameters the HDDs operates according to the default value of each parameter 2 The Mode select parameter is not saved for each INIT ID but as th...

Page 62: ...ad operation Retry count at write operation Recovery time limit 63 63 30 sec b Verify error recovery parameters page code 7 Parameter Default value ERR PER DTE DCR Immediate correction of recoverable error Report of recovered error Stop of command processing at successful error recovery Suppression of ECC error correction 1 enabled 0 disabled 0 Processing is continued 0 Correction is enabled Retry...

Page 63: ...XXX 1 cache segment Number of blocks with maximum prefetch restrictions X FFFF Number of segments X 08 Notes 1 When Read Ahead caching operations are disabled by the caching parameter these parameter settings have no meaning except write cache feature 2 Determine the parameters in consideration of how the system accesses the disk When the access form is not determined uniquely because of the proce...

Page 64: ...drive using the drive mounting dismounting mechanism etc of the system If the drive is dismounted while the spindle motor is running special care is required to avoid excessive vibration or shock to the drive Just in case stop dismounting once when SAS connector breaks off contact and wait until the spindle motor stops about 30 seconds When storing or transporting the drive put it in the antistati...

Page 65: ...he HDDs have the following self diagnostic function This function checks the basic operations of the HDDs 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 HDDs including the operations of the host system and interface use a test program that runs on the host system see S...

Page 66: ...nse data when the CHECK CONDITION status is posted Sense data contains detailed information on the error detected by the initial self diagnostics When sense data has been collected after the CHECK CONDITION status has been posted the CHECK CONDITION status continues and the LED keeps blinking This status can be cleared only when the HDDs are turned off and turned on again When the status is cleare...

Page 67: ...R Operation of self diagnostics 0 The self diagnostics continues when the error is recovered The self diagnostics terminates normally so far as the unrecoverable error is not detected 1 The self diagnostics continues when the error is recovered If the unrecoverable error is not detected the consecutive tests are executed till last test but the self diagnostics terminates with error The error infor...

Page 68: ...st system and interface operations in a status similar to the normal operation status a test program that runs on the host system must be used The structure and functions of the test program depend on the user system requirements Generally it is recommended to provide a general input output test program that includes devices connected to the input output devices on other I O ports Including the fo...

Page 69: ...o prevent injury never touch the drive while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power Electrical shock Never touch the HDDs while power feeding Take the following precautions to prevent disk drive damage during maintenance and troubleshooting Damage 1 Always ground yourself with a wrist strap connected to ground before handling ESD...

Page 70: ...e service system and repair facility for the disk drive Contact Fujitsu representative to submit information for replacing or repairing the disk drive Generally the following information must be included a 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 a...

Page 71: ...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 dealers and distributors Replacement uses factory tools and test equipment 6 2 4 Revision numbers The revision number of the disk drive is re...

Page 72: ...e corresponding letter line with bold line see Figure 6 2 When the revision number is changed after the drive is shipped from the factory Fujitsu issues Engineering Change Request Notice in which the new revision number is indicated When the user changes the revision number the user should update the revision label as described in item 2 after applying the modification Figure 6 2 Indicating revisi...

Page 73: ...n operation test using a host computer or test equipment Yes No Yes No Start self test by turning the power on Test results OK 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 resu...

Page 74: ...ufficient mechanical play and problems related to other systems If an operation error is detected by the error detection circuit of the disk drive an interrupt occurs The interrupt is posted to the MPU on the PCA The MPU 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 collects detailed info...

Page 75: ...ror cause is clear e g abnormal noise in disk enclosure or burning of the 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 ...

Page 76: ...is within 250 mV Make sure the high frequency noise over 20 MHz is less than 100 mVp p System cables Check that all system cables are connected correctly System diagnostic test When possible execute the system level diagnostic routine as explained in the host computer manual This gives a detailed report of a possible fault Intermittent or nonfatal errors Check the AC voltage from the power supply ...

Page 77: ... is used 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...

Page 78: ...placement in the factory This manual does not cover troubleshooting at the factory level 6 4 5 Finding possibly faulty parts Finding possibly faulty parts in the field was explained in Subsection 6 4 2 This manual does not cover finding possibly faulty parts at the factory level ...

Page 79: ...ftmost x is a sense key the middle xx is an additional sense code and the rightmost x is an additional sense code qualifier 7 1 Error Analysis Information Collection 7 1 1 Sense data When HDDs post a CHECK CONDITION status the current command or queued command is cleared In such a case the HDDs generate sense data about the command issuing INIT The INIT can read the sense data by reading the sense...

Page 80: ...tional sense code qualifier 14 X 00 15 SKSV 16 Sense key specific information 17 18 0 0 0 Port 0 0 0 0 19 CDB operation code 20 47 ILI Incorrect Length Indicator MSB Most Significant Byte LSB Least Significant Byte SKSV Sense Key Specific Valid Figure 7 1 Format of extended sense data MSB Detail information LSB LSB Command specific information Information Additional information Basic information M...

Page 81: ...Sense key Additional sense code Additional sense code qualifier Definition 3 0C 03 A write to a disk terminated abnormally 4 32 01 Failed to update the defect list due to unrecoverable error during write verify error after write 40 xx An error occurred in power on self diagnosis C4 xx A drive error occurred 1 3 1x 1x xx xx A disk read error occurred A disk read error occurred E 1D 00 Data discrepa...

Page 82: ...in a specific block of a disk there is disk damage that was not recorded in the media defect list In this case assign an alternate block to the error detected block using a REASSIGN BLOCKS command For an explanation of the REASSIGN BLOCKS command refer to Subsection 4 3 2 REASSIGN BLOCKS 07 of the Interface Specifications If this error occurs in different blocks a PCA or DE is faulty 7 2 4 Sense d...

Page 83: ...ice which initiates input and output operations on the SAS bus In this manual initiator has been abbreviated to INIT SAS Device The general name given to a device which is connected to the SAS bus input output device I O controller host adapter expander etc SCSI Small Computer System Interface The standardized input output interface of the American National Standards Institute ANSI Standard No ANS...

Page 84: ...Glossary GL 2 C141 E237 Target TARG This is the SAS device that executes the input output operations initiated by the initiator INIT In this manual target is abbreviated TARG ...

Page 85: ...t DCR Disable Correction DCRT Disable CeRtificaTion DE Disk Enclosure DEF DEFective block DevOfl Device Offline DPO Disable Page Out DPRY Disable PRimarY DSP Disable Saving Parameters DTDC Data Transfer Disconnect Control DTE Disable Transfer on Error E ECC Error Correction Code EER Enable Early Recovery EVPD Enable Vital Product Data F FG Frame Ground FIFO First In First Out FmtData Format Data F...

Page 86: ...rtial Response class 4 Maximum Likelihood R RC Read Continuous RCD Read Cache Disable RH Relative Humidity RMB ReMovaBle RSV ReSerVed S S N Serial Number SAS Serial Attached SCSI SBd Synchronized Byte data area SBi Synchronized Byte identifier area SCSI Small Computer System Interface SCT SeCTor SelfTest Self Test SG Signal Ground SP Save Page SPR SPaRe block SR Servo SSEC Soft SECtor STPF SToP Fo...

Page 87: ...control mode parameter 5 9 controller circuit 1 5 current waveform 4 7 cylinder configuration 3 1 D data field 3 7 data format 3 1 data security at power failure 2 6 data space 3 1 defect list 3 10 defect management 3 10 defective block slipping 1 4 delivery 5 2 diagnosis 1 4 diagnostic 6 1 diagnostic test 6 10 diagnostics and maintenance 6 1 dimension 4 1 disk 1 5 disk drive replacement 6 7 disk ...

Page 88: ...e on handling drive 5 1 note on mounting 4 3 O online self diagnostic 6 3 operation check 6 10 operation test 6 10 outline of troubleshooting procedure 6 11 P packaging 5 2 PAD 3 7 page code 1 5 8 page code 3 5 5 page code 7 5 8 page code 21 5 8 part replacement 6 7 part that can be replaced in field 6 6 physical sector allocation 3 5 PLO Sync 3 7 port address 5 3 port addressing 1 6 positioning e...

Page 89: ... spindle motor 1 4 storage 5 2 sync mark 3 7 system configuration 1 6 system space 3 3 T test 6 9 test program 6 4 tool and test equipment 6 8 track format 3 5 track skew and head skew 3 5 troubleshooting at repair site 6 13 troubleshooting procedure 6 11 troubleshooting with disk drive replacement in field 6 11 troubleshooting with part replacement in factory 6 14 U unpackaging 5 2 unrecoverable ...

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Page 91: ... 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 1...

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