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Fujitsu 146GB 15K SAS 16MB

1. 4 2 Power Supply Requirements 1 Allowable input voltage and current The power supply input voltage measured at the power supply connector pin of the HDDs receiving end must satisfy the requirement given in Subsection 2 1 3 For other requirements see Items 4 and 5 below 2 Current waveform reference Figure 4 6 shows the spin up current waveform of 5V DC and 12V DC 5VDC MBA3300RC MBA3147RC MBA3073RC 4 lt E E E leen E E c e detecto ce E E 3 5 5 oO O o Time 2 sec div Time 2 sec div Time 2 sec div 12VDC MBA3300RC MBA3147RC MBA3073RC 2 gt T 5 5 2 2 E E E 5 3 5 2 o Time 2 sec div Time 2 sec div Time 2 sec div Figure 4 6 Current waveform Spin up 48 C141 E252 4 2 Power Supply Requirements Figure 4 7 shows the Max Seek current waveform of 5V DC and 12V DC 5VDC MBA3300RC MBA3147RC MBA3073RC lt lt 4 E 2 i 2 SNP ee o e Time 2 sec div Time 2 sec div Time 2 sec div 12VDC MBA3300RC MBA3147RC MBA3073RC M lt lt 4 E E E 47 c 5 5 6 Time 2 sec div Time 2 sec div Time 2 sec div Figure 4 7 Cu
2. 30 automatic alternate block allocation 39 automatic alternate block reassignment 15 B basic operation test sse 68 BCRC inuneshosbuen eene ER 33 block address of user 35 block descriptor eee 59 C cache feature sinnini is aeie 14 caching parameter 63 checking at abnormal 59 checking initial operation 58 checking operation after installation and preparing HDD for 58 command queuing 15 connection requirement seeeeeeeee 50 connector location seen 50 connector requirements 53 continuous block processing 14 control mode parameter 63 controller circuit seen 17 eye teas rely 48 current 48 40 cylinder configuration 27 D data field een eno eret 33 data format tee 27 data security at power failure 25 data LIU EH 27 defect 8 36 C141 E252 defect management sse 36 defective block slipping 16 deliv ty emeret
3. DIOBFATIS 68 6 2 uenit pedet een ge e Eee edo epe sd ner ieee ee 69 6 2 1 Preca tions iude Re e P Ee b eee eed i 69 6 2 2 Maintenance requirements eese eene nennen 70 6 2 3 Maintenance levels aee deret tue ette etu toit ve ee peor 71 6 2 4 Tools and test 71 6 25 Tests 2e us A qase eet eee ats I eui 72 6 37 Operation Check ane ep 73 6 3 1 Initial seek operation check essere 73 6 3 2 252545 2222 teer eet ete 73 6 3 3 Diagnostic test iu oe e eet ei eet ete e Ea E E 73 6 4 DroubleshooLUilg repete 74 6 4 1 Outline of troubleshooting procedures eee 74 6 4 2 Troubleshooting with HDD replacement in the field 74 6 4 3 Troubleshooting at the repair site essere 76 6 4 4 Troubleshooting with parts replacement in the factory 77 6 4 5 Finding possibly faulty parts sess 77 65 Packaging uio UR ORE RE Le 77 6 5 1 Unitary packaging ised ik heed Role We eee ee alee 77 6 5 2 Multi box packaging ene eatin Au wha dda ete 78 Error Analy SiS iio conor sa PEE Si Ian RUN CC VDO RN VER RECEN DU FR KMS 81 TAL Sense Data Collection dk lee 81 3 15 Sense dat
4. 16 51 m 56 sync mark etes 33 system configuration 18 SY SEM Space esee eet eR 29 C141 E252 T te SC PTO STAM 68 tool and test 71 track eese iet track skew sense troubleshooting troubleshooting at repair 5 76 troubleshooting with HDD replacement in 74 troubleshooting with part replacement in factory eren rra TI C141 E252 Index U unpackaging iinr ossis cseeeeeeeeeeeeseeeeeeseensees 56 USEL terrere bert eee 29 V verify error recovery parameter 62 verifying HDD operation sess 58 verifying interface connection 58 write read test cepe 66 91 This page is intentionally left blank Comment Form We would appreciate your comments and suggestions regarding this manual Manual code C141 E252 01 EN MBA3300RC MBA3147RC MBA3073RC HARD DISK DRIVES PRODUCT MANUAL Please mark each item E Excellent G Good F Fair P Poor Illustration Technical level Glossary Organization Acronyms amp Abbreviations General appearance Clarity Index Accuracy Comments amp Suggestions List any errors or suggestions for improvement Contents Please send this form to the address below We will use yo
5. 4 3 Connection Requirements 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 Bottom view Bottom view Figure 4 10 SAS plug connector overview C141 E252 51 Installation Requirements Table 4 2 Interface connector SAS plug signal allocation CN1 AJo un oo N ner mem E my invoer 1 P1 to P3 are 3 3V power supply input and pre charge signals and not used on MBA3300RC MBA3147RC and MBA3073RC un ON tA N ua hin S12 4 SO UM UCU oD ele 9 d 52 C141 E252 4 3 Connection Requirements 4 3 3 Ready LED output signal Figure 4 11 shows a recommended circuit for external LED connection to Ready LED output signal Power supply SAS Connector P11 READY LED 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 Q For 5 V Vcc voltage recommended resistance is 330 Q 4 3 4 Connector requirements Table 4 3 lists the recommended connectors for the host system Table 4 3 Recommended connectors Tyco Electronics AMP 1735104 1 Hybrid SMT Dip
6. 6 2 Maintenance 6 2 Maintenance See Section 5 1 and 6 5 for notes on packaging and handling when returning the HDD 6 2 1 Precautions A CAUTION Save data stored on the HDD to other media before requesting repair Fujitsu does not assume responsibility if data is corrupted during servicing or repair Data loss Take the following precautions to prevent injury during maintenance and troubleshooting A CAUTION To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power High temperature A CAUTION Never touch the HDDs while power feeding Electrical shock Take the following precautions to prevent HDD damage during maintenance and troubleshooting C141 E252 A CAUTION e Always ground yourself with a wrist strap connected to ground before handling ESD Electrostatics Discharge may cause the damage to the device Damage e Never use a conductive cleaner to clean the HDDs Never remove any labels from the HDD or deface them in any way Never remove the PCBA Never open the HDD for any reason 69 Diagnostics and Maintenance 6 2 2 Maintenance requirements 1 Preventive maintenance Preventive maintenance is not required 2 Service life See 3 Service life in Subsection 2 1 5 3 Parts that can be replaced in the field The PCBA cannot be replaced in the field The DE cannot be replaced
7. FUJITSU reserves the right to make changes to any products described herein without further notice and without obligation This product is designed and manufactured for use in standard applications such as office work personal devices and household appliances This product is not intended for special uses atomic controls aeronautic or space systems mass transport vehicle operating controls medical devices for life support or weapons firing controls where particularly high reliability requirements exist where the pertinent levels of safety are not guaranteed or where a failure or operational error could threaten a life or cause a physical injury hereafter referred to as mission critical use Customers considering the use of these products for mission critical applications must have safety assurance measures in place beforehand Moreover they are requested to consult our sales representative before embarking on such specialized use The contents of this manual may be revised without prior notice The contents of this manual shall not be disclosed in any way or reproduced in any media without the express written permission of Fujitsu Limited All Rights Reserved Copyright FUJITSU LIMITED 2007 C141 E252 REVISION RECORD Edition Date published Revised contents June 2007 Specification No C141 E252 EN C141 E252 Related Standards Product specifications and functions described in this manual compl
8. e Control mode parameter With the MODE SELECT or MODE SELECT EXTENDED command specify 1 for the SP bit on CDB to save the specified parameter value on the disk This enables the HDDs to operate by using the parameter value set by the user when power is turned on again When the parameters are not set or saved with the MODE SELECT or MODE SELECT EXTENDED command the HDDs set the default values for parameters and operates when power is turned on or after reset Although the HDD operations are assured with the default values the operations are not always optimal for the system To obtain the best performance set the parameters in consideration of the system requirements specific to the user This section outlines the parameter setting procedures Refer to Subsection 4 1 4 MODE SELECT 15 4 1 5 MODE SELECT EXTENDED 55 of the SAS INTERFACE MANUAL for further details of the MODE SELECT and MODE SELECT EXTENDED commands and specifying the parameters IMPORTANT 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 initiator ID but as the common parameter for all initiator In the multi initiator system parameter setting cannot be changed for each initiator 3 Once parameters are saved the saved value is effective as long as
9. type 1735105 1 SMT type 1735164 1 Press Fit Type 1735234 1 Press Fit Type C141 E252 53 This page is intentionally left blank CHAPTER 5 Installation Notes on Handling HDDs Setting Mounting HDDs Checking Operation after Installation and Preparing the HDDs for Use Dismounting HDDs This chapter describes the notes on handling HDDs setting mounting HDDs confirming HDD operations after installation and preparation for use and dismounting HDDs 5 1 Notes on Handling HDDs The items listed in the specifications in Table 2 3 must be strictly observed 1 General notes a Do not give the HDD shocks or vibrations exceeding the value defined in the specifications because it may cause critical damage to the HDD Especially be careful when unpacking b Do not leave the HDD in a dirty or contaminated environment c Since static discharge may destroy the CMOS semiconductors in the HDD note the following after unpacking e Use an antistatic mat and body grounding when handling the HDD e Hold the DE when handling the HDD Do not touch PCAs except for setting ACAUTION High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power C141 E252 55 Installation Q G 4 5 6 56 Unpackaging a Use a flat work area Check that the This Side Up sign side is up Handle the package o
10. 4 5 6 7 Seek time ms 2 1 Hardware Specifications The formatted capacity can be changed by changing the logical block length and using spare sector space See Chapter 3 for the further information The formatted capacity listed in the table is an estimate for 512 bytes per sector One gigabyte GB one billion bytes accessible capacity will be less and actual capacity depends on the operating environment and formatting The seek time is as follows 0 18384 32188 43152 85538 81920 Seek Difference 4096 Cyl div The start time is the time from power on or start command to when the HDDs are ready and the stop time is the time for disks to completely stop from power off or stop command This value indicates in idle mode Power supply at nominal voltage 1 25 C ambient 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 Refer to 1 1 13 C141 E252 21 Specifications 8 9 22 The eye mask is as follows gt d B T E a B i 8 2 4 0 X1 X2 1 X1 1 1 X2 Normalized time U1 Parameter Unit 1 5Gbps 3 0Gbps 2xZ2 mVp p 1 600 1 600 2 71 mVp p 325 275 XI UI 0 275 0 275 X2 UI 0 5 0 5 1 MB 1 048 576 bytes C141 E252 2 1 Hardware Specifications 2 4 3 Environmental specifications Table 2 3 lists environmental and power
11. C1 Change for Alternate Cell cell Spare Last Cylinder Oylinder Note Spare sectors on the last track in each cell are not necessarily placed at the end of the track because of a track skew or a cylinder skew Details are explained in Subsection 3 1 3 Figure 3 1 Cylinder configuration Apart from the above logical configuration the HDDs intend to increase the storage capacity by dividing all cylinders into several zones and changing a recording density of each zone 28 C141 E252 1 Q 3 3 1 Data Space User space The user space is a storage area for user data The data format on the user space the length of data block and the number of data blocks can be specified with the MODE SELECT or MODE SELECT EXTENDED command The user can also specify the number of logical data blocks to be placed in the user space with the MODE SELECT or MODE SELECT EXTENDED command When the number of logical data blocks is specified as many cylinders as required to place the specified data blocks are allocated in the user space A number starting with 0 is assigned to each cylinder required in the user space in ascending order If the number of cylinders do not reach the maximum the rest of the cylinders will not be used Always 10 cylinders are located at the end of the last zone in the user space as an alternate cylinder Alternate cylinders will be used for alternate blocks See Subsections 3 1 2 and 3 3 2 for details Interna
12. 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 An HDD error occurred A disk read error occurred A disk read error occurred Data discrepancy found by VERIFY command byte check 3 ee ee 5 An illegal request error such as an invalid operation code occurred 4 A hardware error occurred inside HDDs B An interface error occurred An interface error occurred An overlap command was issued C141 E252 83 Error Analysis 7 2 2 7 2 3 7 2 4 84 Sense data 3 0C 03 4 32 01 4 40 xx 4 C4 xx and 4 44 xx Sense data 3 0C 03 4 32 01 4 40 xx 4 C4 xx and 4 44 xx indicate one of the following e target sector could not be detected using the sector counter e seek process overran the specified time e A write to a disk terminated abnormally e Anerror occurred in power on self diagnosis An HDD error occurred The symptoms above are generally caused by an error in a PCBA or DE Sense data 1 1x xx 3 1x xx and E 1D 00 Disk read error If sense data 1 1x xx 3 1x xx or E 1D 00 occurs frequently in a specific block of a disk there 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 Subsec
13. Scale Integration circuit Modified Enhanced Extended Partial Response Maximum Likelihood MicroProcessor Unit Magnetro Resistive Mean Time Between Failure Mean Time To Repair Original Equipment Manufacturer P Primary defect list Parts Number Printed Circuit Board Assembly Post ERror Phase Lock Oscillator Syncronous R Read Cache Disable Relative Humidity 87 Acronyms and Abbreviations S N SAS SCSI SCT SelfTest SP SPM TB TPI UnitOfl VCM WCE 88 S Serial Number Serial Attached SCSI Small Computer System Interface SeCTor Self Test Save Page SPindle Motor T Transfer Block Tracks Per Inch U Unit Offline V Voice Coil Motor W Write Cache Enable C141 E252 Index A ACOUSTIC T0186 7 d tote ten rh ego 20 actuator eie RR ee 17 additional error recovery parameter 62 additional sense code 81 additional sense code qualifier 81 allowable input voltage eters 48 alternate ated sus ooo D er een ees 35 alternate block 36 alternate block allocation by REASSIGN BLOCKS command 38 alternate block allocation during FORMAT UNIT command execution 37 alternate processing 39 alternate spare area
14. allocation by FORMAT UNIT command Alternate cylinder During FORMAT UNIT command alternate block allocation is conducted in following cases 1 Unrecovered write offtrack condition during a media write 2 Uncorrectable Data Error during a media read certification 1 If above errors are detected during FORMAT UNIT command the HDDs allocate the alternate block s to the defective data blocks Reassign procedure itself is the same as one in REASSIGN BLOCKS command C141 E252 37 Data Format Q 38 Certification is permitted when DCRT flag is cleared DCRT flag 0 in FORMAT UNIT command The HDDs check all initialized logical data blocks by reading them out after the above alternate block allocation is made to initialize format the disk 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 1s examples of the alternate block allocation by the REASSIGN BLOCKS command Example Reassign Block 16 2 9 X Alternate sector V Alternate cylinder nrepresents a logical data block number X Defective sector s Unused spare sector Figure3 8 Alternate block allocation by REASSIGN BLOC
15. corresponding to the skew time varies depending on the logical data block length because the track skew and the head skew are managed for individual sectors The HDDs automatically determine appropriate values for the track skew factor and the head skew factor according to the specified logical data block length 3 1 4 Sector format Each sector on the track consists of an ID field a data field and a gap field which separates them Figure 3 6 gives sector format examples SCT SCT PL Toi Syne sui DATAI sve DATA2 ECC PAD 21 SCT Servo SCT PLO leu SM2 DATA3 PLO su1 DATA1 SM2 DATA4 BCRC ECC Gl Sync PAD G2 G1 Sync PAD G3 Figure3 6 Sector format 32 C141 E252 1 Q 3 4 5 6 7 3 1 Data Space Each sector on the track consists of the following fields Gaps Gl G2 G3 No pattern is written on the gap field PLO Sync In this field pattern X 00 is written Sync Mark SM1 SM2 In this field special pattern is written This special pattern indicates the beginning of the data field Data field DATA1 DATA4 User data is stored in the data field of the sector The length of the data field is equal to that of the logical data block which is specified with a parameter in the MODE SELECT command Any multiple of 4 between 512 and 528 bytes can be specified as the length BCRC It is a 4 byte error detection code Single burst er
16. frame with 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 As shown in Figure 4 3 the inward projection of the screw from the HDD frame wall at the corner must be 4 5 mm 0 8 mm Tightening torque of screw must be secured with 0 59 6 kgf cm 12 Impact caused by the electric screwdriver must be within the HDD specifications Must be handled on an anti static mat Bottom mounting 1 1 1 HDD 41 45508 System Frame c 52 Screw System Frame 44 Details of A Side mounting 2 5 or more y 2 5 or more DE 2 5 or more 4 2 5 or more 1 Svstem Frame 45408 Details of B Figure 4 3 Mounting frame structure example System Frame Unit mm C141 E252 4 1 Mounting Requirements 3 Limitation of side mounting Mount the HDDs using the 4 screw holes at the both ends on the both sides as shown in Figure 4 4 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 Figure 4 4 Limitation of side mounting 4 Limitation of bottom mounting Use all 4 mounting holes on the bottom face C141 E252 45 Inst
17. in the field 4 Service system and repairs Fujitsu has the service system and repair facility for the HDD Contact Fujitsu representative to submit information for replacing or repairing the HDD Generally the following information must be included a Model part number P N revision number serial number S N and date of manufacturing b Error status e Date when the error occurred e System configuration e Environmental conditions temperature humidity and voltage c Error history d Error contents Outline of inconvenience Issued commands and specified parameters Sense data Other error analysis information 70 C141 E252 6 2 Maintenance 6 2 3 Maintenance levels If an HDD is faulty replace the whole HDD since repair requires special tools and environment This section explains the two maintenance levels 1 Field maintenance HDD replacement e This replacement is done at the user s site e Replacement uses standard tools e Replacement is usually done by the user retail dealer distributor or OEM engineer 2 Factory maintenance parts replacement e This replacement can only be done by Fujitsu e Replacement includes maintenance training and OEM engineer support OEM engineers usually support retail dealers and distributors e Replacement uses factory tools and test equipment 6 2 4 Tools and test equipment HDD troubleshooting and repair in the field require only standard hand tools No special tools or tes
18. is as follows The service life is depending on the environment temperature Therefore the user must design the system cabinet so that the average DE surface temperature is as low as possible DE surface temperature from 5 C to 40 C 5 years DE surface temperature from 41 C to 45 C 4 5 years DE surface temperature from 46 C to 50 C 4 years DE surface temperature from 51 C to 55 C 3 5 years DE surface temperature from 56 C to 60 C 3 years DE surface temperature more than 60 C or less than 5 C No guarantee Keep the DE surface temperature from 5 C to 60 C Even if the HDDs are used intermittently the longest service life is 5 years The maximum storage period without turning the power on is six months Note The average DE surface temperature means the average temperature at the DE surface throughout the year when the HDDs are operating T2 C tl 2 T1xt1 T2xt2 A DE surface t ture verage surface temperature 1442 141 252 25 Specifications 4 26 Data security at power failure Integrity of the data on the disk is guaranteed against all forms of DC power failure except on blocks where a write operation is being performed The above does not applied to formatting disks or assigning alternate blocks C141 E252 CHAPTER 3 Data Format 3 1 Data Space 3 2 Logical Data Block Addressing 3 3 Defect Management This chapter explains data space d
19. logical data blocks assigned alternate blocks by means of the HDD automatic alternate block allocation and information specified as the D list They are recorded in the system space on the HDD The initiator can read out the contents of the P and G lists by the READ DEFECT DATA command Alternate block allocation The alternate data block is allocated to a defective data block sectors in defective sector units by means of the defect management method inside the HDDs The initiator 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 Both of the following are applicable to the alternate block allocation e Sector slip treatment Defective sectors are skipped and the logical data block corresponding to those sectors is allocated to the next physical sectors This treatment is made on the same cell as the defective sector s and is effective until all spare sectors in that cell are used up e Alternate sector treatment The logical data block corresponding to defective sectors is allocated to unused spare sectors in the alternate cylinder The alternate block allocation is executed by the FORMAT UNIT command the REASSIGN BLOCKS command or the automatic alternate block allocation Refer to Subsection 6 3 2 Auto alternate block allocation processing of the SAS INTERFACE MANUAL for
20. next saving operation is executed from the initiator For example even if the initialization of the disk is performed by the FORMAT UNIT command the saved value of parameters described in this section is not affected 4 When the HDDs to which the saving operation has been executed a system are connected to another system the user must pay attention to that the HDDs operate according to the saved parameter value if the saving operation is not executed at installation 5 The saved value of the MODE SELECT parameter is assumed as the initial value of each parameter afier the power on the RESET condition The initiator can change the parameter value temporary actively at any timing by issuing the MODE SELECT or MODE SELECT EXTENDED command with specifying 0 to the SP bit in the CDB C141 E252 61 Installation 1 Error recovery parameters The following parameters are used to control operations such as HDD internal error recovery a Read write error recovery parameters page code 1 Parameter Default value AWRE Automatic alternate block allocation at Write enabled operation ARRE Automatic alternate block allocation at read enabled operation TB Uncorrectable data transfer to the initiator 0 disabled EER Immediate correction of correctable error enabled PER Report of recovered error 0 disabled DCR Suppression of ECC error correction 0 Correction is enabled RETRY COUNT AT READ OPERAT
21. still occurs after the check repeated three times it is judged to be defective Then it performs the alternate processing b Alternate processing Alternate media check Writes the data that causes an unrecoverable error into the alternate block and performs the media check If the alternate block is a defective sector the block is registered to the G list another alternate block is allocated c SA and defect map update processing on alternate side When an error occurs in the alternate processing this WRITE command terminates with error When the alternate processing normally terminates the WRITE command is executed C141 E252 39 Data Format 40 Type 2 Reassignment of write fail sector 1 Commands to be applied 2 WRITE WRITE EXTENDED FORMAT UNIT WRITE at executing WRITE AND VERIFY Application requirements processing When WRITE WRITE EXTENDED command detects any Servo error e g Write offtrack error and cannot be recovered within pre determined retry number specified in Mode Parameter For the sectors around defective Servo alternate blocks are allocated and the data of this WRITE commands are re written Sectors to be made AWRE shall be following the sector where the error occurs and the latter sectors and the sectors whose data are logically continual and stored in Cache the sectors which will be processed in this Write command and the sectors which locate between erroneous Servo 1 a
22. 1 Q 3 4 5 6 1 2 Hardware Structure Hardware Structure The HDDs have a disk enclosure DE and a printed circuit board assembly PCBA The DE includes heads on an actuator and disks on a spindle motor mounted on the DE The PCBA includes a read write circuit and a controller circuit Disks The disks have an outer diameter of 70 mm 2 8 inch Heads The heads have MR Magnet Resistive read element Ramp Load type slider Spindle motor The disks are rotated by a direct drive hall less DC motor The motor speed is controlled by a feedback circuit using the counter electromotive current to precisely maintain the specified speed Actuator The actuator which uses a rotary voice coil motor VCM consumes little power and generates little heat The heads at the end of the actuator arm are controlled and positioned via feedback servo loop The heads are positioned on the ramp when the power is off or the spindle motor is stopped Read write circuit The read write circuit utilizes a read channel mounted with a head IC that supports high speed transmission and an MEEPRML Modified Enhanced Extended Partial Response Maximum Likelihood modulation demodulation circuit in order to prevent errors being triggered by external noise and to improve data reliability Controller circuit The controller circuit uses LSIs to increase the reliability and uses a high speed microprocessing unit MPU to increase the perf
23. 252 6 4 Troubleshooting Table6 2 System level field troubleshooting DC power level Check that the DC voltage is within the specified range 3 596 For 5V DC measure the voltage between pin P8 5V of the interface connector and the nearest PCBA mounting screw GND from the interface connector and confirm the value is from 4 75 to 5 25 VDC For 12V DC measure the voltage between pin P14 12V of the interface connector and the nearest PCBA mounting screw GND from the interface connector and confirm the value is from 11 4 to 12 6 VDC Electrical noise Make sure the maximum ripple peak to peak value of 5V DC is within 250 mV and 12V DC is within 250 mV Make sure the high frequency noise over 20 MHz 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 Check the DC voltage level at the power connector for the HDD If the AC voltage level is abnormal or there is a lot of electrical noise notify the user of the error If the DC voltage level is unstable replace the power supply unit If possible replace the HDD If replacing the HDD does not eliminate the error the removed HDD is probably not faulty To continue error anal
24. 56 diagnosis oci eet eps 16 diagnostic irre 65 diagnostic test essere 73 dimension aee 41 ee ae 17 dismounting HDDS 64 dual SAS port 14 E jog 33 environmental protection eee eee eens 13 environmental temperature 46 environmental power requirement 23 error analysis sso ee iet Et RR 81 error information indicated with sense dataren in haeres 83 Eor N N E e 24 CLLOL LECOVELY erii ei E 15 error recovery during self diagnostic 67 error recovery 5 62 external magnetic 47 Ep OH 22 F factory 71 field maintenance sese 71 finding possibly faulty TI format capacity 34 format of extended sense data 82 format parameter essen 59 60 FORMAT UNIT 60 pe mee en 59 function specification sse 20 G DW UO teat REI UR 33 general 16 52 oen Die pt 55 H hardware fu
25. C141 E252 01EN MBA3300RC MBA3147RC MBA3073RC HARD DISK DRIVES PRODUCT MANUAL cO FUJITSU FOR SAFE OPERATION Handling of This Manual This manual contains important information for using this product Read thoroughly before using the product Use this product only after thoroughly reading and understanding especially the section Important Alert Items in this manual Keep this manual handy and keep it carefully FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property Use the product according to this manual IMPORTANT NOTE TO USERS READ THE ENTIRE MANUAL CAREFULLY BEFORE USING THIS PRODUCT INCORRECT USE OF THE PRODUCT MAY RESULT IN INJURY OR DAMAGE TO USERS BYSTANDERS OR PROPERTY While FUJITSU has sought to ensure the accuracy of all information in this manual FUJITSU assumes no liability to any party for any damage caused by any error or omission contained in this manual its updates or supplements whether such errors or omissions result from negligence accident or any other cause In addition FUJITSU assumes no liability with respect to the application or use of any product or system in accordance with the descriptions or instructions contained herein including any liability for incidental or consequential damages arising therefrom FUJITSU DISCLAIMS ALL WARRANTIES REGARDING THE INFORMATION CONTAINED HEREIN WHETHER EXPRESSED IMPLIED OR STATUTORY
26. ION 63 RETRY COUNT AT WRITE OPERATION 63 RECOVERY TIME LIMIT 30 sec b Verify error recovery parameters page code 7 Parameter Default value ERR Immediate correction of recoverable error 1 enabled PER Report of recovered error 0 disabled DTE Stop of command processing at successful 0 Processing is error recovery continued DCR Suppression of ECC error correction 0 Correction is enabled RETRY COUNT AT VERIFICATION 63 c Additional error recovery parameters page code 21 Parameter Default value Retry count at seek error 15 Notes 1 The user can arbitrarily specify the following parameters according to the system requirements e ARRE e AWRE e TB e PER 2 The user also can arbitrarily specify parameters other than the above However it is recommended to use the default setting in normal operations 62 C141 E252 5 4 Checking Operation after Installation and Preparing the HDDs for Use 2 Caching parameters page code 8 The following parameters are used to optimize HDD Read Ahead caching operations under the system environments Refer to Chapter 3 Data Buffer Management of the SAS INTERFACE MANUAL for further details Parameter Default value C Initiator control 0 HDD specific control page cache RCD Disabling Read Ahead caching operations 0 enabled WCE Write Cache Enable enabled MF Specifying the multipliers of MINIMUM 0 Specifying PRE FETCH a
27. KS command C141 E252 3 3 Defect Management 3 Automatic alternate block allocation e Automatic alternate block allocation at read operation If the ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the HDDs automatically execute 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 e Automatic alternate block allocation at write operation If AWRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the HDDs execute two kinds of automatic alternate processing during WRITE command processing as described below Type 1 Reassignment of Uncorrectable Read Error sector 1 Commands to be applied WRITE WRITE EXTEND WRITE at executing WRITE AND VERIFY 2 Application requirements When any of the above commands is issued to LBA registered in the uncorrectable error log of the READ command LBA log of uncorrectable error while the READ command is executed the AWRE processing is applied 3 AWRE processing The following processings are performed when the LBA matches the one in the uncorrectable error log a Primary media check Creates an uncorrectable error pattern invalid LBA pattern in the position of the error LBA repeats the primary media check up to three times If the error
28. ae ctp ete te dee td 81 7 12 Sense data format endo secs eed eee anes 81 T25 sense Analysts teet etre pet Potete et cece 83 7 2 1 Error information indicated with sense data sess 83 7 2 2 Sense data 3 0C 03 4 32 01 4 40 xx 4 C4 xx and 4 44 xx 84 7 2 3 Sense data 1 1x xx 3 1x xx and E 1D 00 Disk read error 84 9 Contents 7 2 4 Sense data 5 2x xx B 47 xx B AB xx and B 4E 00 interface errore b d estet eee toh esed Ev yore gil E 84 88 e Ei 85 ADbreviallOTn 87 Index 89 10 C141 E252 Illustrations Figures C141 E252 Figure 1 1 Figure 1 2 Figure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Figure 3 8 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 Figure 4 9 Figure 4 10 Figure 4 11 Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 7 1 Contents Example of SAS system configuration Dual port internal cabled environment enne enne enne 18 Example of SAS system configuration Dual port internal backplane environment 18 Cylinder configuration nennen 28 Spar area mm cell a 22e eese 30 Al
29. agnostics and maintenance 6 1 Diagnostics 6 1 1 Self diagnostics The HDDs have the following self diagnostic function This function checks the basic operations of the HDDs e Initial self diagnostics e Online self diagnostics SEND DIAGNOSTIC command Table 6 1 lists the contents of the tests performed with the self diagnostics For a general check of the HDDs including the operations of the host system and interface use a test program that runs on the host system see Subsection 6 1 2 Table 6 1 Self diagnostic functions SEND DIAGNOSTIC command Initial Hest contents ds reis Self Test 1 Self Test 1 Unit Offline 0 Unit Offline 1 Hardware function test O O Seek test Write read test C Cylinder for internal test Note indicates the tests to be executed and arrows show sequence of execution C141 E252 65 Diagnostics and Maintenance 1 66 Brief test contents of self diagnostics are as follows a Hardware function test This test checks the basic operation of the controller section and contains following test RAM microcode is stored e Peripheral circuits of microprocessor MPU e Data buffer b Seek test This test checks the positioning operation of the HDD using several seek modes 2 points seek 1 position sequential seek etc The positioning operation is regarded as success when the seek operation to the target cylinder is completed c Write read tes
30. allation Requirements 5 Environmental temperature Temperature condition at installed in a cabinet 1s indicated with ambient temperature measured 30 mm from the HDD At designing the system cabinet consider following points e Make a suitable air flow so that the DE surface temperature never exceed 60 C e Cool the PCBA side especially with air circulation inside the cabinet Confirm the cooling effect by measuring the surface temperature of specific ICs and the DE These measurement results must satisfy the temperature condition listed in Table 4 1 e Keep the DE surface temperature at 50 C or below to meet the condition for assuring an MTBF of 1 400 000 hours An air flow of 0 5 m s or more is required at ambient temperature 30 C Table 4 1 Surface temperature check point and maximum temperature Figure 4 5 Surface temperature measurement points 46 C141 E252 6 7 4 1 Mounting Requirements External magnetic field The HDD should not be installed near the ferromagnetic body like a speaker to avoid the influence of the external magnetic field 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 HDDs so that the leak magnetic flux does not affect to near equipment C141 E252 47 Installation Requirements
31. ber of the logical data blocks can be read out by a READ CAPACITY MODE SENSE or MODE SENSE EXTENDED command after initializing the disk Table 3 1 Format capacity Data block length User blocks Format capacity GB MBA3300RC 585 937 500 300 MBA3147RC 287 277 984 147 MBA3073RC 143 638 992 73 5 One gigabyte GB one billion bytes accessible capacity will be less and actual capacity depends on the operating environment and formatting Note Total number of spare sectors is calculated by adding the number of spare sectors in each primary cylinder and the number of sectors in the alternate cylinders Logical Data Block Addressing The HDDs relate a logical data block address to each physical sector at formatting Data on the disk is accessed in logical data block units The initiator specifies the data to be accessed using the logical data block address of that data C141 E252 3 2 Logical Data Block Addressing 1 Block address of user space The logical data block address number is consecutively assigned to all of the data blocks in the user space starting with 0 to the first data block The HDDs treat sector 0 track 0 cylinder 0 as the first logical data block The data block is allocated in ascending order of addresses in the following sequence refer to Figure 3 5 1 Logical data blocks are assigned in ascending order of sector number in the same track 2 Subsequent logical data blocks a
32. ce Never use a conductive cleaner to clean the HDDs Never remove any labels from the HDD or deface them in any way Never remove the PCBA Never open the HDD for any reason Damage Never remove any labels from the HDD or deface them in any way Never open the HDD for any reason Doing so will void any warranties 4 C141 E252 MANUAL ORGANIZATION PRODUCT MANUAL This manual SAS INTERFACE MANUAL C141 E252 General Description Specifications Data Format Installation Requirements Installation Diagnostics and Maintenance Error Analysis SAS Interface Command Processing Data Buffer Management Command Specifications Parameter Data Format Sense Data and Error Recovery Methods Disk Media Management This page is intentionally left blank CONTENTS 43 224 241 216 5 4 128 231022 441 216 68828 Important Alert MANUAL 2 CHAPTER 1 General 1 1 Standard 12 Hardware 1 3 System Configuration eee
33. ceseceseceseceeeeeseeeeeeenes CHAPTER 2 5 2 1 Hardware Specifications essere 2 1 1 Model name and order number 2 1 2 Function specifications 2 1 3 Environmental specifications sees 2 T 4 TE etenim CHAPTER Sd 3 1 1 Cylinder configuration esee 3 1 2 Alternate spare ien enpe eean 31 3 Track format s ite eee rer 3 1 4 Sector inue ees 3 1 5 Format capacity i sene eed tte ete eine 3 2 Logical Data Block Addressing C141 E252 Contents CHAPTER 4 CHAPTER 5 3 9 Defect Management ec iae eee iem te bie ee eed 36 3 3 1 Detect list nee thier eR o eee E E 36 3 3 2 Alternate block 36 Installation Requirements eee 41 4 1 Mounting neret nennen eene nene 41 4L Dimensions nette e RGAE em eei 41 4 1 2 Mounting orientations 0 cccccceecceesseceesceceeececseeeesaeceeaeeceseeeesaeeeeaaeeenaees 43 4 1 3 Notes on mounting e
34. d the HDDs can perform continuous read write operation when processing data blocks on several tracks or cylinder Multi segment data buffer The data buffer is 16M bytes Data are transferred between SAS port and disk media through this data buffer This feature provides the suitable usage environment for users Cache feature After executing the READ command the HDDs read automatically and store prefetches the subsequent data blocks into the data buffer Read ahead caching The high speed sequential data access can be achieved by transferring the data from the data buffer without reaccessing the disk in case the subsequent command requests the prefetched data blocks The Write Cache feature is supported When this feature is enabled the status report is issued without waiting for completion of write processing to disk media thereby enabling high speed write processing IMPORTANT When Write Cache is enabled you should ensure that the cached data is surely flushed to the disk media before you turn off the HDDs power To ensure it you should issue either the SYNCHRONIZE CACHE command or the STOP UNIT command with specifying 0 to the Immediate bit and then confirm that the command is surely terminated with the GOOD STATUS C141 E252 9 10 11 12 13 14 15 1 1 Standard Features Command queuing feature The HDDs can queue maximum 128 commands and optimizes the issuing order of queued command
35. details of specifications on these commands The logical data block is allocated to the next physically continued sectors after the above sector slip treatment is made On the other hand the logical data block is allocated to spare sectors which are not physically consecutive to the adjacent logical data blocks If a command which processes several logical data blocks is specified the HDD processes those blocks in ascending order of logical data block C141 E252 3 3 Defect Management 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 defect list P G or D is continued until all spare sectors in the same cell are used up When they are used up unused spare sectors in the alternate cylinder are allocated to the defective sectors that follow the sector by means of alternate sector treatment Figure 3 7 is examples of the alternate block allocation during the FORMAT UNIT command execution FII 1 Example 2 8 19 10 11 12218 14 15 16 17 18119 20 21 22 23 25 25 26 27 Xlo 10 1112 14115 16117181 6 20121122123 24125 26127 Sector slip Sector slip Alternate cylinder Alternate I sector 10 11 12 020 impe BE 23 24125 26 27 n represents a logical data block number Defective sector s Unused spare sector Figure3 7 Alternate block
36. e 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 Verifying HDD operation When the LINK RESET sequence has completed the host system can issue a spindle motor start instruction and check whether the HDD is ready to operate a The host system instructs the spindle motor to start by sending the NOTIFY ENABLE SPINUP primitive to the HDD b The HDDs do not start the motor until the NOTIFY ENABLE SPINUP primitive is issued c The HDD enters the READY state within about 60 seconds after the NOTIFY ENABLE SPINUP primitive is issued d The LED blinks flashes on and off every 0 5 seconds while the motor is running e The LED remains lit when the HDDs enter the READY state The host system can use the TEST UNIT READY command to confirm that the HDDs are in the READY state Responses to operation errors a Confirm again that connectors are securely attached to cables b Check whether the supply voltage is supplied normally Measure the voltage at the power connectors of the HDDs C141 E252 3 1 5 4 Checking Operation after Installation and Preparing the HDDs for Use c Issue the REQUEST SENSE command to collect sense data When sense data has been collected successfully perform an analysis to check for recoverable errors and retry operations for recovery from any such errors Checking at abnormal
37. eatures 1 Compactness The HDDs are a compact enclosure which complies with the 3 5 inch hard disk drive form factor 2 Environmental Protection The HDDs comply with the Restriction of the use of certain Hazardous Substances in electrical and electronic equipment RoHS directive issued by European Union EU 3 SAS Standard The HDDs are equipped with a serial attached SCSI SAS as a host interface e Transferrate 1 5Gbps 3 0Gbps e Number of SAS ports Two e Full duplex simultaneous bidirectional data transfer is supported C141 E252 13 General Description 4 5 6 7 8 14 Dual SAS port support The HDDs have two pairs of driver and receiver set PHY for the SAS to support dual SAS port connection On the HDDs Primary and Secondary Ports on SAS plug connector 2 physical links plus power connections are used for SAS port connection High speed data transfer The maximum data transfer speed on the SAS is 300 0 MB s The large capacity data buffer of the HDDs enable the effective use of such high speed data transfers available on the SAS connection Continuous block processing The addressing method of data blocks is logical block address The initiator can access data by specifying block number in a logically continuous data space without concerning the physical structure of the track or cylinder boundaries The continuous processing up to 64K 1 blocks in a command can be achieved an
38. ecovered The self diagnostics terminates normally so far as the unrecoverable error is not detected The self diagnostics continues when the error is recovered If the unrecoverable error is not detected the consecutive tests are executed till last test but the self diagnostics terminates with error The error information indicates that of the last recovered error b Reporting result of self diagnostics and error indication When all specified self diagnostics terminate normally the HDDs post the GOOD status for the SEND DIAGNOSTIC command When an error is detected in the self diagnostics the HDDs terminate the SEND DIAGNOSTIC command with the CHECK CONDITION status When the CHECK CONDITION status is posted sense data contains detailed information on the error detected by the initial self diagnostics The HDD status after the CHECK CONDITION status is posted differs according to the type of the detected error a When an error is detected in the seek write read test the subsequent command can be accepted correctly When the command other than the REQUEST SENSE is issued from the same initiator the error information sense data is cleared C141 E252 67 Diagnostics and Maintenance 1 Q G 68 b When an error is detected in the hardware function test the HDDs post the CHECK CONDITION status for all I O operation request except the REQUEST SENSE command The error status is not cleared even if the erro
39. efinition logical data block addressing and defect management on the HDDs 3 1 Data Space The HDDs manage the entire data storage area divided into the following three data spaces e User space Storage area for user data e Internal test space Reserved area for diagnostic purposes e System space Area for exclusive use of HDDs themselves The user space allows a user access by specifying data These spaces can be accessed with the logical data block addressing method described in Section 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 Cylinder configuration The HDDs allocate cylinders to the user space internal test space and system space Figure 3 1 is the cylinder configuration Spare areas alternate areas for defective sectors are provided in the user space Several sectors in the last track of each cell and the last 10 cylinders of the last zone are allocated as alternate areas according to the user s assignment MODE SELECT command See Subsection 3 1 2 for details C141 E252 27 Data Format Physics Cylinder Z M System space 4 CylinderO 1 HeadO i m 1 Cylinder1 Gell 7 9 2 m 1 CylinderO Head 1 ZoneO a 1 User Space Cell Zonel Zone
40. end When sense data can be obtained analyze the sense data and retry recovery for a recoverable error Refer to Chapter 6 Sense Data and Error Recovery Method of the SAS INTERFACE MANUAL for further details Formatting Since the HDD is formatted with a specific default data format for each model part number when shipped from the factory the disk need not be formatted initialized when it 1s installed in the system However 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 e Logical data block length e Number of logical data blocks in the user space This section outlines the formatting at installation Refer to Subsection 4 1 4 MODE SELECT 15 4 1 5 MODE SELECT EXTENDED 55 4 3 FORMAT UNIT 04 and Chapter 7 Disk Media Management of the SAS INTERFACE MANUAL for further details MODE SELECT MODE SELECT EXTENDED command Specify the format attributes on the disk with the MODE SELECT or MODE SELECT EXTENDED command The parameters are as follows a Block descriptor Specify the size byte length of the logical data block in the data block length field To explicitly specify the number of logical data blocks specify the number in the number of data blocks field Otherwise specify 0 in number of data blocks field In this case t
41. eplaced by alternate block assignments are not included in the error rate Data blocks to be accessed should be distributed over the disk equally 1 Unrecoverable error rate Errors which cannot be recovered within 63 retries and ECC correction should not exceed 10 10 6 bits read 2 Positioning error rate Positioning errors which can be recovered by one retry should be 10 or less per 10 seeks 2 1 5 Reliability 1 Mean Time Between Failures MTBF MTBF of the HDDs during their life time is 1 400 000 hours operating 24 hours day 7 days week average DE surface temperature 50 C or less Continual or sustained operation at case DE surface temperature above 50 C may degrade product reliability 24 C141 E252 2 1 Hardware Specifications Note The MTBF is defined as Operating time hours at all field sites MTBF The number of equipment failures from all field sites Failure of the equipment means failure that requires repair adjustments or replacement Mishandling by the operator failures due to bad environmental conditions power trouble host system trouble cable failures or other failures not caused by the equipment are not considered 2 Mean Time To Repair MTTR MTTR is the average time taken by a well trained service mechanic to diagnose and repair an HDD malfunction The HDD is designed for a MTTR of 30 minutes or less 3 Service life The service life under suitable conditions and treatment
42. ernate cylinders are not included in the above logical data block addresses Access to sectors which are allocated as an alternate block in the alternate area is made automatically by means of the HDDs sector slip treatment or alternate block treatment explained in Subsection 3 3 2 so the user does not have to worry about accessing the alternate area The user cannot access with specifying the data block on the alternate area explicitly C141 E252 35 Data Format 3 3 3 3 1 3 3 2 36 Defect Management Defect list Information of the defect location on the disk is managed by the defect list The following are defect lists which the HDDs manage e P list Primary defect list This list consists of defect location information available at the HDD shipment and is recorded in a system space The defects in this list are permanent so the initiator must execute the alternate block allocation using this list when initializing the disk e Dlist Data defect list This list consists of defect location information specified in a FORMAT UNIT command by the initiator at the initialization of the disk This information is recorded in the system space of the HDD as the G list To execute the alternate block allocation the FORMAT UNIT command must be specified e G list Growth defect list This list consists of defective logical data block location information specified in a REASSIGN BLOCKS command by the initiator information on defective
43. est is usually a combination of specific HDD functions or group of functions This test may be executed using a different host computers or test equipment and away from the environment where the error first occurred To analyze the error posted in the diagnostic test reconstruct the conditions in which the error occurred Then look for a possibly faulty subassembly or part of the HDD The procedures to be used in this test depend largely on the type of test equipment used and are not covered by this manual C141 E252 73 Diagnostics and Maintenance 6 4 Troubleshooting 6 4 1 Outline of troubleshooting procedures This section explains the troubleshooting procedures for HDD errors Depending on the maintenance level analyze the error to detect a possibly faulty part HDD or HDD part Full scale troubleshooting is usually required if the error cause is not known If the error cause is clear e g abnormal noise in DE or burning of the PCBA troubleshooting 1s straightforward 64 2 Troubleshooting with HDD replacement in the field At this level of maintenance we recommend replacing the HDD as a unit If replacing the HDD rectifies the fault return the removed HDD to Fujitsu for test and repair If the newly installed HDD does not rectify the fault another part of the system is faulty Table 6 2 summarizes system level field troubleshooting Troubleshooting must be done in the field to find faulty part HDD or system 74 C141 E
44. ethod gt Tape sealing Box Conductivity bag is folded and the seal is done with the pakaging tape Figure 6 2 Unitary packaging Put the HDD into FCELL e At this time the connector of the HDD is directed to the hinge side of FCELL e The PCBA is put in the side with the material mark of FCELL Push from two corners of FCELL on the hinge side previously push two corners of the opening next and lock FCELL surely C141 E252 77 Diagnostics and Maintenance 3 Put the above unitary packaging packed in FCELL into the conductivity bag by securing the cushion 4 Put the drive with conductivity bag into the cardboard box 5 Put the desiccant 10g into the conductivity bag 6 Seal the conductivity bag with the packaging tape then close the cardboard box 6 5 2 Multi box packaging Cushion upper Long desiccant P Cushion lower Fujitsu logo 1 1 Conductivity bag Opening side Material mark Desiccant 2 100g lt Tape sealing method Tape sealing Conductivity bag is folded and the seal is done with the packaging tape Figure 6 3 Multi box packaging 1 Put the conductivity bag into the milti box in addition put the cushion lower into the bag 78 C141 E252 Q 3 4 5 6 7 6 5 Packaging Put unitary packaging FCELL in the cushion lower e At this time FCELL is put in the cushion lower so that the FCELL opening may beco
45. fications This chapter describes specifications of the HDDs 2 1 Hardware Specifications 211 Model name and order number Each model has different recording capacities 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 MBA3300RC CA06778 B400 SAS 300 GB MBA3147RC CA06778 B200 SAS 147 GB MBA3073RC CA06778 B100 SAS 73 5 GB One gigabyte GB one billion bytes accessible capacity will be less and actual capacity depends on the operating environment and formatting C141 E252 19 Specifications 2 1 2 Function specifications Table 2 2 shows the function specifications of the HDDs Table 2 2 Function specifications Specification Scan 0 dP 2 Track to Track 0 2 ms 0 4 ms Seek time 3 Read Write Average 3 4 ms 3 9 ms Full stroke 8 0 ms 9 0 ms Start stop time Ready up time 30 s typ 60 s max C4 Stop time 30 s typ 26 1 mm max 101 6 mm 0 25mm External dimensions 147 0 mm max SAS T10 1562D Rev 05 SAS1 1 T10 1601D Rev 07 SAM 3 T10 1561D Rev 14 SAM 2 T10 1157D Rev 24 SPC 2 T10 1236D Rev 20 SBC T10 996D Rev 8c Eye mask 8 Data buffer 16 MB FIFO ring buffer 9 Acoustic noise Idle 3 6 Bels typ Related standards 20 C141 E252 1 2 3
46. fied in Subsection 2 1 3 when the HDD is not operating c To prevent condensation avoid sudden changes in temperature C141 E252 5 2 Setting 5 2 Setting 5 2 1 Port Address Every device that uses the SAS interface has a unique SAS address and commands use an SAS address to identify each device for I O operations Every HDD is assigned a unique SAS address before shipment from the factory so setting of an address 1s not required before the HDDs are used 5 3 Mounting HDDs 5 3 1 Mounting procedures Since mounting the HDD depends on the system cabinet structure determine the work procedures considering the requirements specific to each system The general mounting method and items to be checked are shown below See Section 4 1 for the details of requirements for installing the HDDs 1 With a system to which an external operator panel is mounted if it is difficult to access the connector after the HDD is mounted on the system cabinet connect the external operator panel cable before mounting the HDD 2 Fix the HDD in the system cabinet with four mounting screws as follows e The HDD has 10 mounting holes both sides 3 x 2 bottom 4 Fix the HDD by using four mounting holes of both sides of the HDD or the bottom e Use mounting screws of which lengths inside the HDD are 5 0 mm 0 5 mm when the screws are tightened see Figure 4 3 e When mounting the HDD be careful not to damage parts on the PCBA 3 Confirm the DE is not touchi
47. g requirement sesseeeeeeeenre 41 mounting 8 44 MIBE 24 MIR 25 multi segment data buffer 14 N 156 11 52 2222 tidptei e one 50 note on handling HDDs 55 note on 44 online self diagnostic 67 operation check sss 73 operation testisin sieisen isere isee ii eseas 73 order number sese 19 outline of troubleshooting procedure 74 P packaging eee 56 77 p incision R SS 33 page code ssi uere ehe 59 62 part replacement serene 71 part that can be replaced in field 70 90 physical sector allocation 31 PLO SYNC RAS 33 8 eee etie nies 57 port addressing esee 18 power on off sequence 49 power supply 48 pr caution reed ee e te eds 69 preventive 70 programmable data block length 15 R random sequential read test 68 read w
48. g the HDD etc depends on the locker structure of the system etc the work procedure must be determined in consideration of the requirements specific to the system This section describes the general procedure and notes on dismounting the HDD A CAUTION High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power Damage 1 When dismounting the HDD which is mounted on the system while power is supplied to it 1 Stop the spindle motor by a START STOP UNIT command It takes about 30 seconds for the spindle motor to stop completely 2 Then dismount the HDD using the drive mounting dismounting mechanism etc of the system When removing the HDD avoid exposing it to shock or vibration Just in case stop dismounting once when SAS connector breaks off contact and wait until the spindle motor stops about 30 seconds 2 When dismounting the HDD which is mounted on the system while power is not supplied to it e Dismount the HDD using the HDD mounting dismounting mechanism etc of the system When removing the HDD avoid exposing it to shock or vibration 3 When storing or transporting the HDD put it in the antistatic case Fcell refer to Section 5 1 and 6 5 64 C141 E252 CHAPTER 6 Diagnostics and Maintenance Diagnostics Maintenance Operation Check Troubleshooting Packaging This chapter describes di
49. g the HDD which is mounted on the system while 64 power is supplied to it 1 Stop the spindle motor by a START STOP UNIT command It takes about 30 seconds for the spindle motor to stop completely 2 Then dismount the HDD using the drive mounting dismounting mechanism etc of the system When removing the HDD avoid exposing it to shock or vibration Just in case stop dismounting once when SAS connector breaks off contact and wait until the spindle motor stops about 30 seconds When dismounting the HDD which is mounted on the system while power is not supplied to it Dismount the HDD using the HDD mounting dismounting mechanism etc of the system When removing the HDD avoid exposing it to shock or vibration When storing or transporting the HDD put it in the antistatic case Fcell refer to Section 5 1 and 6 5 Important Alert Items Diagnostics Data loss and Save data stored on the HDD to other media before requesting repair Maintenance Fujitsu does not assume responsibility if data is corrupted during servicing or repair High temperature To prevent injury never touch the HDD while it is hot The DE and LSI become hot during operation and remain hot immediately after turning off the power Electrical shock Never touch the HDDs while power feeding Damage e Always ground yourself with a wrist strap connected to ground before handling ESD Electrostatics Discharge may cause the damage to the devi
50. h cannot be described with a byte length E pulse Sector man pulse Servo frame TENES 2 Sector 0 G4 n n ntm n r Clock Clock Clock Clock Clock unused Figure 3 4 Track format Track skew and head skew To avoid waiting for one turn involved in head and cylinder switching the first logical data block in each track is shifted by the number of sectors track skew and head skew corresponding to the switching time Figure 3 5 shows how the data block is allocated in each track At the cylinder switching location in a head the first logical data block in track t 1 is allocated at the sector position which locates the track skew behind the sector position of the last logical data block sector in track t At the head switching location like the cylinder switching location the first logical data block in a cylinder is allocated at the sector position which locates the head skew behind the last logical sector position in the preceding cylinder C141 E252 31 Data Format INDEX INDEX V V Sector 0 1 2 3 4 5 6 7 8 n 1 Head 1 2n 2 2 1 ntl 2 3 4 5 6 2 3 2 304 3n 3 3n2 3 1 20 41 20 2 2043 20 44 3n 5 d 8 un x z ptl D Leading logical LBA Logical data block address sector in head 1 Figure3 5 Track skew head skew The number of physical sectors track skew factor and head skew factor
51. he currently set value is used b Format parameter page code 3 Specify the number of spare sectors for each cell in the alternate sectors zone field cannot be changed C141 E252 59 Installation 2 FORMAT UNIT command Initialize entire recording surface of the disk with the FORMAT UNIT command The FORMAT UNIT command initializes entire 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 pattern specified with the initialization data pattern field is written into all bytes of all logical data blocks Only the position information of defect blocks detected with verification is registered in the G list The specifications are as follows a Specifying CDB Specify 0 for the FmtData bit and the CmpLst bit on CDB 000 for the Defect List Format field and data pattern written into the data block at initialization for the initializing data pattern field b Format parameter When the values in step a are specified with CDB the format parameter is not needed 60 C141 E252 5 4 Checking Operation after Installation and Preparing the HDDs for Use Setting parameters The user can specify the optimal operation mode for the user system environments by setting the following parameters with the MODE SELECT or MODE SELECT EXTENDED command e Error recovery parameter e Caching parameter
52. igh speed contiguous data block processing without a revolution delay due to defective data block High speed positioning A rotary voice coil motor achieves fast positioning with high performance access control C141 E252 15 General Description 16 17 18 19 Q0 Q1 16 Large capacity A large capacity can be obtained from the HDDs by dividing all cylinders into several partitions and changing the recording density on each partition constant density recording The disk subsystem with large capacity can be constructed in the good space efficiency Start Stop of spindle motor Using the SAS primitive or the SCSI command the host system can start and stop the spindle motor Diagnosis The HDDs have a diagnostic capability which checks internal controller functions and HDD operations Also for early detection of and recovery from the errors on the disk the HDD has a function for periodically implementing a full scan of the disk Low power consumption By using highly integrated LSI components the power consumption of the HDDs is very low and this enables the units to be used in wide range of environmental conditions Low acoustic noise The acoustic noise level is low approx 3 6 Bels at Idle This makes it ideal for office use Microcode downloading The HDDs implement the microcode download feature This feature easily achieves maintenance and function enhancement of the HDDs C141 E252 1 2
53. items of error information are included in a command s completion status this is information generated by the target for reporting detailed information on that status This is a 4 bit code displayed in the sense data It contains information for classifying the type of error that was detected This is 1 byte of information reported to the initiator by the target device when execution of each command is completed which displays the command s completion state This is the SAS device that executes the input output operations initiated by the initiator 85 This page is intentionally left blank AC ARRE AWRE bpi CDB CmpLst CRC CYL D list DCR DCRT DTE ECC EER FIFO FmtData Gbps G list C141 E252 Acronyms and Abbreviations A Alternating Current Automatic Read Reallocation Enabled Automatic Write Reallocation Enabled B Bits Per Inch C Command Descriptor Block Complete List Cyclic Redundancy Check CY Linder D Data Defect List Direct Current Disable CoRrection Disable CeRtificaTion Disk Enclosure Disable Transfer on Error E Error Correction Code Enable Early Recovery F First In First Out Format Data G Gigabits per second Grown defect list HDC HDD ID I O LED LSI MEEPRML MPU MTBF MTTR OEM P list P N PCBA PER PLO Sync RCD H Hard Disk Controller Hard Disk Drive IDentifier Input Output L Light Emitting Diode Large
54. l 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 most cylinder is always assigned cylinder 223 to 230 The user cannot change the number of cylinders in the internal test space their positions System space The system space is an area for exclusive use of the HDDs themselves 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 C141 E252 29 Data Format 3 1 2 Alternate spare area The alternate spare area consists of the last track of each cell in the user space and an alternate cylinder allocated to the last 10 cylinders of the last zone in the user space The spare area in each cell is placed at the end of the last track as shown in Figure 3 2 These spare sectors are located in the end of the track logically not necessarily located at the end physically because of track skew or cylinder skew Details are explained on Subsection 3 1 3 Size can be specified by the MODE SELECT command The number of spare sectors per cell is fixed at 300 This number cannot be changed by users Track 0 Sector 0 1 n
55. lel with the initial self diagnostics or they are queued by the command queuing feature and executed when the initial self diagnostics is completed If the initial self diagnostics detect an error the CHECK CONDITION status is posted for all of the commands received and queued during the initial self diagnostics C141 E252 6 1 Diagnostics 2 Online self diagnostics SEND DIAGNOSTIC command The initiator can make the HDDs execute self diagnostics by issuing the SEND DIAGNOSTIC command The initiator 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 HDDs execute the hardware function test only once When UnitOfl bit is set to 1 the HDDs execute the hardware function test seek positioning test and data write read test for the internal test space only once a Error recovery during self diagnostics During the self diagnostics specified by the SEND DIAGNOSTIC command when the recoverable error is detected during the seek or the write read test the HDDs perform the error recovery according to the MODE SELECT parameter value read write error recovery parameter additional error recovery parameter which the initiator specifies at the time of issuing the SEND DIAGNOSTIC command Operation of self diagnostics The self diagnostics continues when the error is r
56. m 1 n m n 2 n 1 Track 1 n n 2 1 2 2 2 2n 1 Cell i E Last track SPRI SPR299 SPR300 E Spare sectors 300 sectors Note This HDD manages alternate spare areas for each cell which is a set of cylinders One cell consists of 40 cylinders Figure3 2 Spare area in cell The alternate cylinder is used for replacement action via the REASSIGN BLOCKS command or automatic replacement processing The alternate cylinder is allocated to 10 cylinders at the end of the last zone in the user space Zone 0 Zonen P Cyl 0 USRCYLO 1 p USRCYLO p ALTCELL USRCYL User area Ft Mei ALTCYL Alternate area Change for cell 10 Cyl Note The number of alternate cylinders cannot be changed Figure 3 3 Alternate cylinder 30 C141 E252 1 Q 3 1 Data Space Track format Physical sector allocation Figure 3 4 shows the allocation of the physical sectors in a track The length in bytes of each physical sector and the number of sectors per track vary depending on the logical data block length The unused area G4 exists at the end of the track in formats with most logical data block lengths The interval of the sector pulse length of the physical sector is decided by the HDDs internal free running clock frequency This clock is not equal to the interval of the byte clock for each zone Therefore the physical sector lengt
57. me downward The I F connector may become upward e For less than 20 HDDs insert the HDDs starting from the slot with the smallest number in Figure 6 4 Then place the empty FCELL in the empty slot Hold the HDD with the cushion upper Put the desiccant 100g into the conductivity bag Put the long desiccant between the cushion upper Seal the conductivity bag with the packaging tape Close the cardboard box with the packaging tape Attach the tape in H figure at the tape Figure 6 4 Fraction packaging C141 E252 79 This page is intentionally left blank CHAPTER 7 Error Analysis 7 1 Sense Data Collection 7 2 Sense Data Analysis This chapter explains in detail how sense data collected from an HDD is used for troubleshooting Sense data reflects an error in the HDD and helps with troubleshooting 7 1 7 1 1 Sense Data Collection 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 initiator The initiator can read the sense data by reading the sense data added to the response frame of the command where an error occurred Auto Sense function This HDD is equipped with sense data with a byte length of 48 Accordingly Fujitsu recommends collecting all 48 byte sense data when the host unit collects sense data A sense key additional sense code and additional sense code
58. n 5 4 Operation test While the host computer is processing data the HDDs monitor HDD operation including data processing command processing and seek operations If the HDDs detect an error the HDDs post the error to the initiator The initiator then posts the error to the user The user may detect an intermittent or nonfatal error such as abnormal noise abnormal odor or very slow operation An error posted in an operation test must be investigated The user can replace the HDD to see whether the error was caused by the HDD Often errors posted in an operation test may be caused by the host system Possible causes include insufficient power capacity loose cable connection insufficient timing or insufficient mechanical play and problems related to other systems If an operation error is detected by the error detection circuit of the HDD an interrupt occurs The interrupt is posted to the MPU on the PCBA The MPU stops the currently processed command and causes the CHECK CONDITION status to post the error to the initiator When receiving the CHECK CONDITION status the initiaor collects detailed information via SENSE data To analyze the error posted in the operation test reconstruct the conditions in which the error occurred Then start troubleshooting the whole host system by replacing the HDD Diagnostic test The diagnostic test is executed to find a faulty subassembly in a faulty HDD or to check HDD performance This t
59. n soft material such as a rubber mat not on hard material such as a desk b Be careful not to give excess pressure to the internal unit when removing cushions c careful not to give excess pressure to PCBA and interface connector when removing the HDD from the Fcell Fig 6 2 d Do not remove any labels from the HDD Never open the DE for any reason Installation removal replacement a Do not move the HDD when power is turned on or until the HDD completely stops for 30 seconds after power is turned off b Place and keep removed screws and other parts where they will not get lost or damaged c Keep a record of all maintenance work for replacing Packaging a Store the HDD in the antistatic case Fcell b It is recommended to use the same cushions and packages as those at delivery For details see Section 6 5 If those at delivery cannot be used use a package with shock absorption so that the HDD is free from direct shocks In this case fully protect the PCBA and interface connector so that they are not damaged Delivery a When delivering the HDD provide packaging and do not turn it over b Minimize the delivery distance after unpacking and avoid shocks and vibrations with cushions For the carrying direction at delivery use one of the mount allowable directions in Subsection 4 1 2 Storage a Provide moistureproof packaging for storage b The storage environment must satisfy the requirements speci
60. nction 5 66 hardware specification 19 hardware 0 17 HDD 71 seien DOPren eps 17 head Skew cs entere itn 31 89 Index initial diagnosis at time of power on 58 initial seek operation check 73 initial self diagnostic esses 66 installation esecseeeeerenes 55 56 installation requirement eese 41 interface 51 interface testenni etenee esien iis 68 internal test space 29 L leak magnetic 47 limitation of bottom mounting 45 limitation of side mounting 45 logical data block addressing 34 M maintenance 3 i eerte tte hene 69 maintenance level sss 71 maintenance 70 microcode downloading ss 16 MODE SELECT MODE SELECT EXTENDED 59 model name eiiie ri petere 19 mounting frame structure csse 44 mounting HDDs see 57 mounting orientations eee eee eels 43 mounting procedure 57 mountin
61. nd 1 including Split sector This function is also applied for the sector that has already been re assigned Remark When a write protection is prohibited through the setting terminal the auto alternate block allocation processing specification is disabled IMPORTANT Automatic alternate block allocation is made up to the following quantities during the execution of one command ARRE Twice AWRE Type 1 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 alternate block assignment processing for the first defective block is executed but the alternate block assignment processing for the second one is not executed and the command being executed terminates However the initiator can recover the twice error by issuing the same command again When an error is detected in a data block in the data area recovery data is rewritten and verified in automatic alternate block allocation during the execution of the READ or READ EXTENDED command Alternate block allocation will not be made for the data block if recovery is successful Example Even if the data error which is recoverable by the WRITE LONG command is simulated automatic alternate block allocation will not be made for the data block C141 E252 CHAPTER 4 Installation Requirements 4 4 Mounting Requirements 4 2 Power Supply Requirements 4 3 Connecti
62. nd MAXIMUM PRE absolute value FETCH parameters DISC Prefetch operation after track switching during 1 enabled prefetching DISABLE PRE FETCH TRANSFER LENGTH X FFFF MINIMUM PRE FETCH X 0000 MAXIMUM PRE FETCH X 0000 MAXIMUM PRE FETCH CEILING X FFFF NUMBER OF CACHE SEGMENTS X 08 Notes 1 When Read Ahead caching operations are disabled by the caching parameter these parameter settings have no meaning except write cache feature 2 Determine the parameters in consideration of how the system accesses the disk When the access form is not determined uniquely because of the processing method the parameters can be re set actively 3 For sequential access the effective access rate can be increased by enabling Read Ahead caching operations and Write Cache feature 3 Control mode parameters page code A The following parameters are used to control the tagged queuing and error logging a Control mode parameters Parameter Default value QUEUE ALGORITHM MODIFIER 0 Execution sequence of read write commands is optimized QErr Resume or abort remaining suspended 0 command is resumed commands after sense pending state C141 E252 63 Installation 4 Port control parameters The following parameters are used to control the ready LED signal behavior Parameter Default value READY LED MEANING 0 LED is on when HDD is ready 5 5 Dismounting HDDs Since the method and procedure for dismountin
63. ng the frame on the system side excluding the screw installing part after tightening the screws At least 2 5mm of clearance is required between the DE and the frame indicated in Figure 4 3 4 When using an electric screwdriver use the screwdriver that does not apply a force on the HDD that would exceed the HDD specifications C141 E252 57 Installation 5 4 5 4 1 a 2 3 4 58 Checking Operation after Installation and Preparing the HDDs for Use Checking initial operation The procedure for verifying operation after power on is explained below Initial diagnosis at the time of power on a When the HDDs are turned on the LED blinks and the HDDs perform the initial self diagnosis controller hardware diagnosis b When the SAS protocol controller diagnosis is completed normally the HDDs start the LINK RESET sequence defined by the SAS protocol to establish synchronization with the connected SAS devices e g the host system c When the initial diagnosis is completed normally the HDDs can respond to commands from the host Verifying interface connection When verification of initial operation after power on is completed normally the host system checks whether the HDD connection to the interface is normal The procedure for this check depends on the host system configuration The following is a general check procedure a Confirm that the transfer rate and HDD SAS addresses can be recognized during th
64. o install the disk drives It includes the notice and procedures for setting device number and operation modes mounting the disk drive and confirming drive operation Chapter 6 Diagnostics and Maintenance This chapter describes the automatic diagnosis and maintenance of the disk drive This chapter also describes diagnostic methods for operation check and the basics of troubleshooting the disk drives Chapter 7 Error Analysis This chapter describes in details how collect the information for error analysis and how analyze collected error information Preface CONVENTIONS USED IN THIS MANUAL MBA3300RC MBA3147RC and MBA3073RC are described as HDD in this manual Decimal number is represented normally Hexadecimal number is represented as X 17B9 17B9h or 17B9H Binary number is represented as 010 Conventions for Alert Messages Attention This manual uses the following conventions to show the alert messages An alert message consists of an alert signal and alert statements The alert signal consists of an alert symbol and a signal word or just a signal word The following are the alert signals and their meanings This indicates a hazardous situation could result in minor ACAUTION or moderate personal injury if the user does not 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 info
65. on 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 C141 E252 41 Installation Requirements 45 73 251251 28 1 max Tee S gt e Centerline m of SAS plug E 20 6a 0 38 4 c i E eo sn EY wu eJ e DE 7 Nc 5 32UNC 10 3 17540 25 5 3530 25 95 25 3 30 25 Unit mm is a dimention between the screw holes for the bottom mouting 42 Figure 4 1 Dimensions C141 E252 4 1 Mounting Requirements 4 1 Mounting orientations As shown in Figure 4 2 the HDD can be installed flat on any of its six sides Inclination from a vertical or horizontal plane should not exceed 5 e Upright mounting 1 f Upright mounting 2 Direction of gravity Figure 4 2 HDD orientations C141 E252 43 Installation Requirements 4 4 3 Notes on mounting Damage A CAUTION Never remove any labels from the HDD or deface them in any way 1 Mounting screw Use No 6 32UNC 2 Mounting frame structure Special attention must be given to mount the HDDs as follows a b c d e Use the
66. ormance of the SAS controller C141 E252 17 General Description 1 3 System Configuration For the Serial Attached SCSI the ANSI standard defines Point to Point technology Figure 1 1 and Figure 1 2 give examples of the SAS system configuration SATA stayle cable SAS Plug Connector receptacle connector SAS Initlator SAS Device Device Power LED Cable or SAS Expander Device SAS Target Device SATA stayle host plug connector Primary Port SAS Internal connection receptacle connector SAS Initlator Device or SAS Expander Device SATA stayle cable receptacle connector Figure 1 1 Example of SAS system configuration Dual port internal cabled environment SAS Plug Connector SAS Device SAS Initlator Power LED Device or Secondary port SAS Target Device SAS Expander _ Primary Port Device SAS Backplane receptacle connector 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 2 SPC 2 An SAS address consists of 8 bytes as a unique value set for each device The initiator can implement an I O operation on an HDD by using the corresponding SAS address stored by the HDDs 18 C141 E252 CHAPTER 2 Specifications 21 Hardware Speci
67. qualifier taken from various sense data are repeated Also in this chapter troubleshooting is performed using these three codes Unless otherwise specified sense data means the above three codes When sense data is represented as x xx xx the leftmost x is a sense key the middle xx is an additional sense code and the rightmost x is an additional sense code qualifier Sense data format Figure 7 1 shows the sense data format C141 E252 81 Error Analysis mE 7 0 12315151 Basic information y A Additi onal information 82 11 X 70 or X 71 error code Information X 28 additional sense data length Command specific information Sense key specific information TS CDB operation code Detail information ILE Incorrect Length Indicator MSB Most Significant Byte LSB Least Significant Byte SKSV Sense Key Specific Valid Figure 7 1 Sense data format C141 E252 7 2 Sense Data Analysis 7 2 Sense Data Analysis 7 2 1 Error information indicated with sense data Table 7 1 lists the definition of sense data For details of the following sense data refer to Chapter 6 Sense Data Error Recovery Methods of the SAS INTERFACE MANUAL Subsection 7 2 2 onwards explain troubleshooting using sense data Table 7 1 Definition of sense data Additional Additional Dennen sense code sense code M qualifier A write to a disk terminated abnormally 4 32 01
68. r information sense data is read Only when the power is turned off or re turned on the status can be cleared When this status is cleared the HDDs execute the initial self diagnostics again see item 1 Refer to Subsection 4 4 1 SEND DIAGNOSTIC 1D of the SAS INTERFACE MANUAL for further details of the command specifications Test programs The basic operations of the HDDs themselves can be checked with the self diagnostic function However to check general operations such as the host system and interface operations in a status similar to the normal operation status a test program that runs on the host system must be used The structure and functions of the test program depend on the user system requirements Generally it is recommended to provide a general input output test program that includes devices connected to the input output devices on other I O ports Including the following test items in the test program is recommended to test the HDD functions generally Interface test The operations of the data buffer on the HDDs are checked with the WRITE BUFFER and READ BUFFER commands Basic operation test The basic operations of the HDDs are checked by executing self diagnosis with the SEND DIAGNOSTIC command see Subsection 6 1 1 Random sequential read test The positioning seek operation and read operation are tested in random access and sequential access modes with the READ READ EXTENDED or VERIFY command C141 E252
69. rder numbers eeeee 19 Function specifications sssrin iia ia 20 Environmental Power requirements esee 23 Format Capacity 34 Surface temperature check point and maximum temperature 46 Interface connector SAS plug signal allocation CN1 52 Recommended connectors eese 53 Self diagnostic functions 65 System level field troubleshooting eese 75 HDD troubleshooting eese 76 Definition of sense data 83 C141 E252 CHAPTER 1 General Description 1 1 Standard Features 12 Hardware Structure 13 System Configuration This chapter describes the feature and configuration of the MBA3xxxRC The HDDs are high performance large capacity 3 5 inch hard disk drives with an embedded Serial Attached SCSI SAS controller The interface used to connect the HDDs to the host system complies with ANSI T10 1601 D Serial Attached SCSI 1 1 SAS 1 1 which covers items ranging from SAS physical layers to SCSI command protocols The high speed data transfer and long distance transmission capabilities of SAS technology and the powerful command set the HDD facilitate creation of high performance and highly reliable disk subsystems with large storage capacities 1 1 Standard F
70. re assigned in ascending order of track number in the same head Within the same track logical data blocks are assigned in the same way as step 1 3 Subsequent logical data blocks are assigned to sectors in every track except the last track in ascending order of track number in the same cell Within the same track logical data blocks are assigned in the same way as step 1 and 2 4 For the last track in the same cell subsequent logical data blocks are assigned to sectors other than spare sectors in ascending order of sector number 5 After blocks have been assigned in the same cell according to steps 1 to 4 subsequent logical data blocks are assigned in ascending order of cell number in the same way as in steps 1 to 4 Logical data blocks are assigned starting from track 0 in the next cell until the last cylinder immediately preceding the alternate cylinder n 1 shown in Figure 3 1 of the zone except alternate cylinders in cells in the user space When the logical data block is allocated some sectors track skew and head skew shown in Figure 3 5 are provided to avoid waiting for one turn involving head and cylinder switching at the location where the track or the head is physically switched See Subsection 3 3 2 for defective alternate block treatment and the logical data block allocation method in case of defective sectors exist on the disk 2 Alternate area Alternate areas in the user space spare sectors in the cell and alt
71. requirements Table 2 3 Environmental Power requirements 1 2 Item MBA3300RC MBA3174RC MBA3073RC CD DE surface temperature at 5 to 60 C operating mis 656 Qn Shock 2 2451 7 m s 250G 2ms Transport packaged 2451 7 m s 250G 2ms 305 to 43 048 m 1 000 to 10 000 feet Altitude 305 to 12 192m 1 000 to 40 000 feet Ready average 0 88A 0 60A 0 45A Shiu 2 5A peak 3 5A less than 10015 Peak operating current Maximum peak 22 DC 6 Peak operating Power current requirement 5 Peak operating current Maximum peak Peak operating current DC reference 6 C141 E252 23 Specifications Table2 3 Environmental Power requirements 2 2 Specification Item MBA3300RC MBA3174RC MBA3073RC Power requirement Ripple 45V 12V 250mVp p or less 7 5 1 For detail condition see Section 4 1 2 Vibration applied to the HDD is measured at near the mounting screw hole on the frame as much as possible 3 At random seek write read and default on retry setting with log sweep vibration 4 At power off state after installation 5 Input voltages are specified at the HDD connector side during HDD Idle state 6 Operating currents are values under random W R operation of full partition at about 220 IOPS 7 X High frequency noise over 20MHz is less than 100 mVp p 2 1 4 Error rate Errors detected during initialization and r
72. risin reete bene 44 4 2 Power Supply Requirements eese emen 48 4 3 Connection Requirements seen nennen nennen 50 4 3 T Connector location eae E er eee tot ds aa 50 4 3 2 Interface CONNCCtOL ccssccccssssececssssececsessececssseeeeceeseececsesaeeecseaasesensaes 51 4 3 3 Ready LED output signal eese rennen rennen 53 4 3 4 Connector requirements nennen nennen 53 5 1 P 55 5 1 on Handling HDDS essere enne 55 23 2 7 JS etUllg cuire ee ete Tee ete rdiet recede pte E Blessed 57 25 2 1 Port Address sett rete He et eee DURS ea e UE 57 25 9 Mounting HDDS id edente ee etie e ote 57 5 3 Mounting procedures ox aee aee mta ee 57 54 Checking Operation after Installation and Preparing the HDDs nasce 58 5 4 1 Checking initial operation eese nennen 58 3 452 ite re miei vie e iste ove e Eee reta 59 25 43 Setting parameters ot erem uet i Ki t 61 5 5 Dismounting 64 C141 E252 CHAPTER 6 CHAPTER 7 C141 E252 Contents Diagnostics and Maintenance 65 DidgnoSlcs 3 ue ten ete t ere etd ees tien tee 65 6 1 1 Self diagnosties uiuit eite Segen peterent 65 61 2
73. rite circuit wo ele eee eeeeeeeeeeeeeeeeeeees 17 read write error recovery parameter 62 ready LED output signal 53 T ASS ZOMEN sis eritir iria 39 40 recommended connectors sesss 53 o Reti 24 removal Debent 56 rage 70 replacement sse 56 reporting result of self diagnostic and error indication 67 reserve and release function 15 responses to operation 6 58 S SAS Standard ERU 14 Sector format 5 ees he iE eS 32 Seek test RI Eton aeos 66 self diagnostic esee 65 SEND DIAGNOSTIC command 67 sense dataz Bale 81 sense data analysis 83 sense data collection ssssess 81 sense data 81 86086 key ise RR eee 81 sequential starting of spindle motor 49 service life sie 25 70 SELVICE SYSTE gite eet 70 Setting eU EP 57 setting 61 specification nene 19 specitymng CDB poe 60 spindle motor 17 standard feature sse 13 start stop of spindle motor
74. rmation that could help the user use the IMPORTANT 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 show where the alert message begins and ends The following is an example Example ACAUTION Damage Never remove any labels from the HDD or deface them in any way The main alert messages in the text are also listed in the Important Alert Items Please forward any comments you may have regarding this manual To make this manual easier for users to understand opinions from readers are needed Please write your opinions or requests on the Comment at the back of this manual and forward it to the address described in the sheet C141 E252 Important Alert Items Important Alert Messages The important alert messages in this manual are as follows A hazardous situation could result in minor or moderate personal injury if the C AUTION user does not perform the procedure correctly Also damage to the product or other property may occur if the user does not perform the procedure Task Installation C141 E252 correctly Damage Never remove any labels from the HDD or deface them in any way 44 High temperature To prevent injury never touch the HDD while it is hot The DE and LSI 55 64 become hot during operation and remain hot immediately after turning off the power Damage 1 When dismountin
75. rors with lengths of up to 32 bits for each logical block can be detected ECC This is the 400 bits code that allows detection and correction of errors in the data field which is capable of correcting the single burst error up to 200 bits max on the fly PAD A specified length of x 00 pattern is written in this field This field includes the variation by rotation and circuit delay till reading writing C141 E252 33 Data Format 3 1 5 32 34 Format capacity The size of the usable area for storing user data on the HDDs format capacity varies according to the logical data block or the size of the spare sector area Table 3 1 lists examples of the format capacity when the typical logical data block length and the default spare area are used The following is the general formula to calculate the format capacity Number of sectors of each zone number of sectors per track x number of tracks per cell number of alternate spare sectors per cell x number of cells in the zone Formatted capacity total of sectors of all zones number of physical sectors in logical block x logical data block length The following formula must be used when the number of logical data blocks are specified with the parameter in the MODE SELECT or MODE SELECT EXTENDED command Format capacity logical data block length x number of logical data blocks The logical data block length the maximum logical block address and the num
76. rrect If the error recurs it is likely that the HDD is normal but the test method is incorrect To check performance change the HDD conditions by changing the voltage or temperature If the HDD error recurs or a possibly faulty part is found by troubleshooting return the complete HDD to Fujitsu for repair media defect list must be included with the HDD returned to Fujitsu If the possibly faulty part is the DE return the whole HDD to Fujitsu for repair Also if a clear error erroneous servo track information or noisy HDD is detected in the DE return the whole HDD to Fujitsu A media defect list must be included with the HDD returned to Fujitsu A CAUTION Damage e Never remove any labels from the HDD or deface them in any way e Never open the HDD for any reason Doing so will void any warranties 76 C141 E252 6 4 4 6 5 6 5 1 1 Q 6 5 Packaging Troubleshooting with parts replacement in the factory This manual does not cover troubleshooting at the factory level Finding possibly faulty parts Finding possibly faulty parts in the field was explained in Subsection 6 4 2 This manual does not cover finding possibly faulty parts at the factory level Packaging When the HDD is returned to Fujitsu the following methods are recommended Unitary packaging Cover Side Connector C qs FCELL SS L2 lt Opening side Cushion Desicant Conductivity bag lt Tape sealing m
77. rrent waveform Max seek 3 Power on off sequence The order of the power on off sequence of 5V DC and 12V DC supplied to 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 the following procedures to prevent overload of the power supply unit a Control the sending of the NOTIFY ENABLE SPINUP primitive so that the spindle motors of individual HDD are started in intervals of 12 seconds or more b Turn on the 12V DC power in the power supply unit at intervals of 12 seconds or more to start the spindle motors sequentially C141 E252 49 Installation Requirements 5 Noise filter To eliminate AC line noise a noise filter should be installed at the AC input terminal on the HDD power supply unit The specification of this noise filter is as follows e Attenuation 40 dB or more at 10 MHz e Circuit construction T configuration as shown in Figure 4 8 is recommended Input CO 000 EE C Output 2 Os OTD 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 50 C141 E252
78. s by the reordering function This feature realizes the high speed processing Reserve and release functions The HDDs can be accessed exclusively in the multi host or multi initiator environment by using the reserve and release functions Error recovery The HDDs can try to recover from errors in the HDD using its powerful retry processing Ifa recoverable data check occurs error free data can be transferred to the initiator after being corrected in the data buffer The initiator software is released from the complicated error recover processing by these error recovery functions of the HDDs Automatic alternate block reassignment If a defective data block is detected during read or write the HDDs can automatically reassign their alternate data block Programmable data block length Data can be accessed in fixed block length units The data block length is programmable and can be specified at initializing with a multiple of four within the range of 512 to 528 bytes IMPORTANT Error rate increase 1 The drive format at factory shipment is generally 512 bytes 2 The recoverable Error might increase when the format would be modified from 512 bytes to the following values 516 bytes 520 bytes 524 bytes 528 bytes 3 The recoverable Error referred here is sense data 1 13 xx Defective block slipping A logical data block can be reallocated in a physical sequence by slipping the defective data block at formatting This results in h
79. t This test checks the write read function by using the internal test space of the HDD Initial self diagnostics When the HDDs are turned on they run the initial self diagnostics The initial self diagnostics test the basic operations of hardware functions If the initial self diagnostics detect an error the LED on the HDD blinks at 0 4 second intervals The HDDs in this state post the CHECK CONDITION status to all I O operation requests except the REQUEST SENSE command The initiator can collect sense 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 cleared the HDDs run the initial self diagnostics again The HDDs do not reply to requests from the host system for a maximum of 2 seconds after the start of the initial self diagnostics Thereafter the HDDs can accept I O operation requests normally but any received command except commands that are executable even in the not ready state is terminated with the CHECK CONDITION status until the spindle motor reaches the normal rotational speed and the HDDs become ready The commands that are executable even in the not ready state are executed in paral
80. t equipment are required This manual does not describe the factory level tools and test equipment C141 E252 71 Diagnostics and Maintenance 6 2 5 Tests This HDD can be tested in the following ways e Initial seek operation check See Subsection 6 3 1 e Operation test See Subsection 6 3 2 e Diagnostic test See Subsection 6 3 3 Figure 6 1 shows the flow of these tests C E v Start self test by turning the power on No Check host system Table 6 2 Test results OK Analyze system related error Host system Execute an operation normal test using a host computer or test equipment 1 Replaced or repair HDD Test results OK HDD normal Continue operation Execute diagnostic test using a host computer or test equipment Test results OK Test using voltage or temperature stress v No Analyze HDD error Table 6 3 Test results OK Normal Figure 6 1 Test flowchart 72 C141 E252 6 3 6 3 Operation Check Operation Check Initial seek operation check If an error is detected during initialization by the initial seek operation check routine at power on the spindle motor of the HDD stops and then the HDD becomes unusable For an explanation of the operation check before the initial seek refer to the Sectio
81. ternate cylinder neie teet 30 Track Format ter t eee Cre ete Peer 31 Tr ck skew head Skew tette tege 32 Sector format c ie e e ge ed e e eed 32 Alternate block allocation by FORMAT UNIT command 37 Alternate block allocation by REASSIGN BLOCKS COMMANA eee pelea ete ERE metit ewe 38 Dimensions udine jee tend entre to eH eet tree dca 42 HDD Orientations 43 Mounting frame structure example seeeeeeeee 44 Limitation of 51 45 Surface temperature measurement points 46 Current waveform Spin up esee nennen 48 Current waveform Max seek sess 49 AC noise eea E p re 50 Connector location unc tete ede eh he 50 SAS plug connector 1 51 Recommended external circuit for Ready LED output 53 Test flowchart 22 25 unes 72 Unitary packaging iere ete ete niente trenes 77 Multi packaging 78 Fraction packaging 79 Sense data format 52 eub pee uen ced 82 11 Contents Tables 12 Table 2 1 Table 2 2 Table 2 3 Table 3 1 Table 4 1 Table 4 2 Table 4 3 Table 6 1 Table 6 2 Table 6 3 Table 7 1 Model names and o
82. tion 4 3 2 REASSIGN BLOCKS 07 of the SAS INTERFACE MANUAL If this error occurs in different blocks a PCBA or DE is faulty Sense data 5 2x xx B 47 xx B 4B xx and B 4E 00 interface error Sense data 5 2x xx B 47 xx B 4B xx and B 4E 00 indicates one of the following symptoms e An invalid or unsupported command was issued or invalid or unsupported parameters were specified e An interface error occurred hardware error occurred inside HDDs If this error occurs the PCBA or the interface is faulty C141 E252 Glossary Additional Sense Code CDB Command Initiator SAS Device SCSI Sense Data Sense Key Status Target C141 E252 This is a 1 byte code displayed in the sense data and is information which specifies the type of error that was detected Command Descriptor Block A series of data which describes commands related to input output operations sent from the initiator to the target This is a command to a target to perform an input output operation and it is described as the CDB This is an SAS device which initiates input and output operations on the SAS bus The general name given to a device which is connected to the SAS bus input output device I O controller host adapter expander etc Small Computer System Interface The standardized input output interface of the American National Standards Institute ANSD Standard No ANSI X3 131 1986 When several
83. ture the final products Therefore the packaging material code provided in GB18455 2001 is not marked on any packaging part of this product C141 E252 Preface This manual describes MBA3300RC MBA3147RC and MBA3073RC 3 5 inch hard disk drives with an embedded Serial Attached SCSI SAS This manual details the specifications and functions of the above disk drive and gives the requirements and procedures for installing it into a host computer system This manual is written for users who have a basic understanding of hard disk drives and their use in computer systems The MANUAL ORGANIZATION section describes organization and scope of this manual The need arises use the other manuals The organization of this manual related reference manual and conventions for alert messages follow Overview of Manual C141 E252 This manual consists of the following seven chapters Chapter 1 General Description This chapter introduces the disk drives standard features hardware 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 the addressing method and the defect management Chapter 4 Installation Requirements This chapter describes the basic physical and electrical requirements for installing the disk drives Chapter 5 Installation This chapter explains how t
84. ur comments in planning future editions Address Fujitsu Learning Media Limited 37 10 Nishikamata 7 chome Oota ku Tokyo 144 0051 JAPAN Fax 81 3 3730 3702 Organization Name C141 E252 01EN This page is intentionally left blank FUJITSU
85. y with the following ANSI 1 standards Document number Title T10 1236D Rev 20 SCSI Primary Commands 2 SPC 2 NCITS 351 2001 T10 996D Rev 8c SCSI 3 Block Commands SBC NCITS 306 1998 T10 1157D Rev 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 10 Serial Attached SCSI Model 1 1 SAS 1 1 ANSI American National Standard Institute In case of conflict between this manual and any referenced document this manual takes precedence Compliance with Administration on the Control of Pollution Caused by Electronic Information Products of the People s Republic of China RT e BU m RE BINA CR 39 5 2006 2 H 28 AAAI La Tf rs Wed E EZ Ys AR SJ T11364 2006 E FAR E P edo Be E P EB 5 RUP i REN Ae T c Pn Ze e 1 0 EMRA ME UD SE AS m np EA JR 2171 P HF EON SERI o REPRE A CST SEG EDI BOC m K 2 Norte Pb Hg VD HDD 8 2 88 x 8 PUER AERE SJ T 11363 2006 i zE H ble BE RAIA ug dE 95 Bg rm mi sed SJ T 11363 2006 Mene This product is shipped as a component to manufac
86. ysis refer to the hardware and software manuals supplied with the system C141 E252 75 Diagnostics and Maintenance 6 4 5 Troubleshooting at the repair site For maintenance at this level we recommend additional testing of the HDD and signal checking The sense data posted from the HDDs help with troubleshooting This sense data makes the error type clear functional mechanical or electrical error Chapter 7 error analysis by sense data and gives supplementary information on finding the error cause faulty part Table 6 3 lists how to detect a faulty HDD subassembly This fault finding requires a working host computer or HDD test equipment to recreate the error conditions If the detected error cannot be recreated in an ordinary test HDD conditions can be changed to force the error to recur This is done by changing the DC voltage or the ambient temperature of the HDD If the error does not recur with changed conditions the HDD is not faulty If no error occurs in the HDD test notify the user of the test results and find out from the user the environment conditions where the HDD is used Table6 3 HDD troubleshooting Frequent or repeated seek errors Collect sense data and see Chapter 7 Replace the HDD and check that the test method is correct If the error recurs it is likely that the HDD is normal but the test method is incorrect Intermittent or nonfatal errors Replace the HDD and check that the test method is co

Fujitsu 146GB 15K SAS 16MB

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