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Fujitsu MAU3147FC Product/Maintenance Manual
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Fujitsu MAU3147FC Product/Maintenance Manual

Fujitsu MAU3147FC Product/Maintenance Manual

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C141-E215-01EN
MAU3147FC
MAU3073FC
MAU3036FC
DISK DRIVES
PRODUCT/MAINTENANCE MANUAL

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Summary of Contents for Fujitsu MAU3147FC

  • Page 1 C141-E215-01EN MAU3147FC MAU3073FC MAU3036FC DISK DRIVES PRODUCT/MAINTENANCE MANUAL...
  • Page 2 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.
  • Page 3 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 2004 C141-E215...
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  • Page 5 REVISION RECORD Edition Date published Revised contents November, 2004 Specification No.: C141-E215-**EN C141-E215...
  • Page 6 Related Standards Product specifications and functions described in this manual comply with the following ANSI (*1) standards. Document number Title NCITS TR-19 FIBRE CHANNEL PRIVATE LOOP SCSI DIRECT ATTATH (FC-PLDA) ANSI X3.230-1994 FIBRE CHANNEL PHYSICAL AND SIGNALING INTERFACE (FC-PH) ANSI X3.297-1996 FIBRE CHANNEL PHYSICAL AND SIGNALING INTERFACE-2 (FC-PH-2) ANSI X3.272-199X FIBRE CHANNEL ARBITRATED LOOP (FC-AL)
  • Page 7 Preface This manual describes the MAU3147FC, MAU3073FC, and MAU3036FC 3.5 type fixed disk drives with an embedded fibre channel controller. This manual details the specifications and functions of the above disk drive, and gives the requirements and procedures for installing it into a host computer system.
  • Page 8 The appendix gives supplementary information, including the signal assignments of interface connectors. CONVENTIONS USED IN THIS MANUAL The MAU3147FC, MAU3073FC, and MAU3036FC disk drives are described as "the intelligent disk drive (IDD)", "the drive" or "the device" in this manual. Decimal number is represented normally.
  • Page 9 Preface Attention Please forward any comments you may have regarding this manual. To make this manual easier for users to understand, opinions from readers are needed. Please write your opinions or requests on the Comment at the back of this manual and forward it to the address described in the sheet.
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  • Page 11 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 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 correctly.
  • Page 12 Important Alert Items Task Alert message Page Mounting Installation Damage 1. When dismounting the drive which is mounted on the system 5-16 while power is supplied to it. • The drive to be dismounted must be disconnected from the loop. Dismounting the drive which is not disconnected from the loop may cause an unexpected error.
  • Page 13 Never open the disk enclosure in the field. Opening the disk enclosure in the field may cause an irreparable fault. 6-14 Data loss Save data stored on the disk drive to other media before requesting repair. Fujitsu does not assume responsibility if data is destroyed during servicing or repair. C141-E215...
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  • Page 15 MANUAL ORGANIZATION PRODUCT/ 1. General Description MAINTENANCE MANUAL 2. Specifications 3. Data Format (This manual) 4. Installation Requirements 5. Installation 6. Diagnostics and Maintenance 7. Error Analysis Fibre Channel 1. Fibre Channel Interface Interface 2. Command Processing Specifications 3. Data Buffer Management 4.
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  • Page 17 CONTENTS CHAPTER 1 General Description ..............1-1 Standard Features ..................1-2 Hardware Structure ................. 1-5 System Configuration................1-7 CHAPTER 2 Specifications ................2-1 Hardware Specifications ................. 2-1 2.1.1 Model name and order number ............... 2-1 2.1.2 Function specifications................2-2 2.1.3 Environmental specifications ..............2-4 2.1.4 Error rate ....................
  • Page 18 Contents 4.1.1 External dimensions ................4-1 4.1.2 Mounting ....................4-3 4.1.3 Notes on mounting ..................4-3 Power Supply Requirements ..............4-8 Connection Requirements ...............4-9 4.3.1 Connector....................4-9 4.3.2 Interface connector ................4-10 CHAPTER 5 Installation ................. 5-1 Notes on Handling Drives ...............5-1 Setting......................5-3 5.2.1 Loop ID setting..................5-3 5.2.2 Mode settings...................5-3 Mounting Drives..................5-4 5.3.1 Mounting procedures................5-4...
  • Page 19 Contents 6.2.4 Revision numbers..................6-8 6.2.5 Tools and test equipment ................ 6-9 6.2.6 Tests ......................6-9 Operation Check..................6-11 6.3.1 Initial seek operation check..............6-11 6.3.2 Operation test ..................6-11 6.3.3 Diagnostic test ..................6-11 Troubleshooting Procedures..............6-12 6.4.1 Outline of troubleshooting procedures..........6-12 6.4.2 Troubleshooting with disk drive replacement in the field ....
  • Page 20 Contents Illustrations Figures Figure 1.1 FC model drives outer view ............1-5 Figure 1.2 Example of FC-AL system configuration........1-7 Figure 3.1 Cylinder configuration ..............3-2 Figure 3.2 Spare area in cell ................3-4 Figure 3.3 Alternate cylinder................. 3-4 Figure 3.4 Track format................. 3-5 Figure 3.5 Track skew/head skew ..............
  • Page 21 Contents Tables Table 2.1 Model names and order numbers..........2-1 Table 2.2 Function specifications ..............2-2 Table 2.3 Environmental/power requirements..........2-4 Table 3.1 Format capacity................3-8 Table 4.1 Surface temperature check point ..........4-6 Table 5.1 Motor start mode................5-3 Table 6.1 Self-diagnostic functions ..............6-1 Table 6.2 System-level field troubleshooting ..........6-13 Table 6.3 Disk drive troubleshooting............6-14...
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  • Page 23 CHAPTER 1 General Description Standard Features Hardware Structure System Configuration This chapter describes the feature and configuration of the intelligent disk drives (IDD). The IDDs are high performance large capacity 3.5 inch fixed disk drives with an embedded Fibre-Channel controller. The interface used to connect the IDDs to the host system complies with NCITS TR-19 Fibre Channel Private Loop SCSI Direct Attach (FC-PLDA), which is the Fibre Channel PLDA standard covering items ranging from Fibre Channel physical layers to SCSI command protocols.
  • Page 24 General Description Standard Features Compactness In a compact enclosure having the 3.5-inch HDD form factor, the IDD contains an FC-AL controller, which supports the Arbitrated Loop technology (FC-AL), a Fibre Channel technology defined by the related ANSI standard. FC-AL standard The IDD provides not only FC-AL basic functions but also the following features: •...
  • Page 25 1.1 Standard Features Cache feature After executing the READ command, the IDD reads automatically and stores (prefetches) the subsequent data blocks into the data buffer (Read-ahead caching). The high speed sequential data access can be achieved by transferring the data from the data buffer without reaccessing the disk in case the subsequent command requests the prefetched data blocks.
  • Page 26 General Description (12) Automatic alternate block reassignment If a defective data block is detected during read or write the IDD can automatically reassign its alternate data block. (13) 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.
  • Page 27 1.2 Hardware Structure (19) Low power consumption By using highly integrated LSI components, the power consumption of the IDD is very low, and this enables the unit to be used in wide range of environmental conditions. (20) Low noise and low vibration The noise level is low;...
  • Page 28 General Description Heads The MR (Magnet - Resistive) of the CSS (contact start/stop) type heads are in contact with the disks when the disks are not rotating, and automatically float when the rotation is started. 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.
  • Page 29 1.3 System Configuration System Configuration For the Fibre Channel, the ANSI standard defines Arbitrated Loop, Fabric, and Point-to-Point technologies. The IDDs support the Arbitrated Loop technology. Figure 1.2 gives an example of the FC-AL system configuration. Port B Port B Initiator Drive (Node-1)
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  • Page 31 The data format can be changed by reinitializing with the user's system. Table 2.1 Model names and order numbers Capacity Model name Order number Interface type (user area) MAU3147FC CA06460-B400 SCA2, FC-AL 147.0 GB (*) MAU3073FC CA06460-B200 SCA2, FC-AL 73.5 GB (*)
  • Page 32 Specifications 2.1.2 Function specifications Table 2.2 shows the function specifications of the IDD. Table 2.2 Function specifications Specification Item MAU3147FC MAU3073FC MAU3036FC Formatted capacity/device (*1) 147.0 GB (*2) 73.5 GB (*2) 36.7 GB (*2) Number of disks Number of heads...
  • Page 33 2.1 Hardware Specifications (*3) The seek time is as follows: Seek Difference [4096 Cyl/div] The start time is the time from power on or start command to when the IDD is ready, and the stop (*4) time is the time for disks to completely stop from power off or stop command. This value indicates at ready mode.
  • Page 34 Specifications 2.1.3 Environmental specifications Table 2.3 lists environmental and power requirements. Table 2.3 Environmental/power requirements Specification Item MAU3147FC MAU3073FC MAU3036FC Operating 5 to 55°C Non-operating –40 to 70°C Temperature Transport (within a week) –40 to 70°C (*1) DE surface temperature at 5 to 60°C...
  • Page 35 2.1 Hardware Specifications For detail condition, see Section 4.1. (*1) Vibration applied to the drive is measured at near the mounting screw hole on the frame as much as (*2) possible. At random seek write/read and default on retry setting with log sweep vibration. (*3) At power-off state after installation (*4)
  • Page 36 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.
  • Page 37 2.1 Hardware Specifications 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.
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  • Page 39 CHAPTER 3 Data Format Data Space Logical Data Block Addressing Defect Management This chapter explains data space definition, logical data block addressing, and defect management on the IDD. Data Space The IDD manages the entire data storage area divided into the following three data spaces. •...
  • Page 40 Data Format Cylinder –154 Internal test cylinder Internal test space Cylinder –147 SA139 Cylinder –143 System space • Cylinder –4 Zone Cell Cylinder User Space for Cell 0-0 • Spare Sectors per Cell 0-0 User Space for Cell 1-0 User Space •...
  • Page 41 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.
  • Page 42 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 cylinder of each zone. 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.
  • Page 43 3.1 Data Space 3.1.3 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.
  • Page 44 Data Format Track skew Head Track skew Head skew Head Leading logical sector in head p+1 Figure 3.5 Track skew/head skew The number of physical sectors (track skew factor and head skew factor) corresponding to the skew time varies depending on the logical data block length because the track skew and the head skew are managed for individual sectors.
  • Page 45 3.1 Data Space Each sector on the track consists of the following fields: Gaps (G1, 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.
  • Page 46 READ CAPACITY, MODE SENSE, or MODE SENSE EXTENDED command after initializing the disk medium. Table 3.1 Format capacity Model Data block length User blocks Format capacity (GB) MAU3147FC 287,277,984 147.0 (*) MAU3073FC 143,638,992 73.5 (*) MAU3036FC 71,819,496 36.7 (*)
  • Page 47 3.2 Logical Data Block Addressing 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 IDD treats sector 0, track 0, cylinder 0 as the first logical data block. The data block is allocated in ascending order of addresses in the following sequence (refer to Figure 3.5): 1) Logical data blocks are assigned in ascending order of sector number in the same track.
  • Page 48 Data Format Defect Management 3.3.1 Defect list Information of the defect location on the disk is managed by the defect list. The following are defect lists which the IDD manages. • P list (Primary defect list): This list consists of defect location information available at the disk drive shipment and is recorded in a system space.
  • Page 49 3.3 Defect Management Alternate block allocation during FORMAT UNIT command execution When the FORMAT UNIT command is specified, the allocation of the alternate block to those defective sectors included in the specified lists (P, G, or D) is continued until all spare sectors in the same cell are used up.
  • Page 50 Data Format If above errors are detected during FORMAT UNIT command, the IDD allocates the alternate block(s) to the defective data blocks. Reassign procedure itself is the same as one in REASSIGN BLOCKS command. Certification is permitted when DCRT flag is cleared (DCRT flag=0) in FORMAT UNIT command.
  • Page 51 3.3 Defect Management Automatic alternate block allocation • Automatic alternate block allocation at read operation If the ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation, the IDD automatically executes the alternate block allocation and data duplication on the defective data block detected during the READ or READ EXTENDED command.
  • Page 52 Data Format Type 2 (Reassignment of write fail sector) 1) Commands to be applied WRITE WRITE EXTENDED FORMAT UNIT WRITE at executing WRITE AND VERIFY 2) 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).
  • Page 53 CHAPTER 4 Installation Requirements Mounting Requirements Power Supply Requirements Connection Requirements This chapter describes the environmental, mounting, power supply, and connection requirements. Mounting Requirements 4.1.1 External dimensions Figures 4.1 show the external dimensions of the IDD and the location of the holes for the IDD mounting screws.
  • Page 54 Installation Requirements The value marked with (*) indicates the dimension between mounting holes on the bottom face. Figure 4.1 External dimensions C141-E215...
  • Page 55 4.1 Mounting Requirements 4.1.2 Mounting The permissible orientations of the IDD are shown in Figure 4.2, and the tolerance of the angle is ±5° from the horizontal plane. (a) Horizontal –1 (b) Horizontal –2 (c) Vertical –1 (d) Vertical –2 (e) Upright mounting –1 (f) Upright mounting –2 Direction of gravity...
  • Page 56 Installation Requirements Mounting frame structure Special attention must be given to mount the IDD disk enclosure (DE) as follows. Use the frame with an embossed structure, or the like. Mount the IDD with making a gap of 2.5 mm or more between the IDD and the frame of the system. As shown in Figure 4.3, the inward projection of the screw from the IDD frame wall at the corner must be 5.0 mm or less.
  • Page 57 4.1 Mounting Requirements Limitation of side-mounting Mount the IDD using the 4 screw holes at the both ends on the both sides as shown in Figure 4.4. 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) Holes for mounting screw...
  • Page 58 Installation Requirements Table 4.1 Surface temperature check point Measurement point Max. temperature on package Center of DE cover 60°C Read channel LSI 80°C VCM/SPM Driver 92°C 90°C 90°C Figure 4.5 Surface temperature measurement points C141-E215...
  • Page 59 4.1 Mounting Requirements Service clearance area The service clearance area, or the sides which must allow access to the IDD for installation or maintenance, is shown in Figure 4.6. [Surface R] • Hole for mounting screw [Surface P] • Cable connection [Surface Q] •...
  • Page 60 The power supply input voltage measured at the power supply connector pin of the IDD (receiving end) must satisfy the requirement given in Subsection 2.1.3. (For other requirements, see Items (4) below.) Current waveform (reference) Figure 4.7 shows the waveform of +12 VDC. MAU3147FC MAU3073FC MAU3036FC Time (2 sec/div) Time (2 sec/div) Time (2 sec/div) Figure 4.7...
  • Page 61 4.3 Connection Requirements Noise filter To eliminate AC line noise, a noise filter should be installed at the AC input terminal on the IDD power supply unit. The specification of this noise filter is as follows: • Attenuation: 40 dB or more at 10 MHz •...
  • Page 62 Installation Requirements 4.3.2 Interface connector The connector for the Fibre Channel Loop is an unshielded SCA-2 connector which has two 20- pin rows spaced 1.27 mm (0.05 inch) apart. Figure 4.10 shows the connector. See Appendix A for signal assignments on the connector. For details on the physical/electrical requirements of the interface signals, refer to Section 1.3 “Physical Requirements, Electrical Requirements”...
  • Page 63 CHAPTER 5 Installation Notes on Handling Drives Setting Mounting Drives Checking Operation after Installation and Preparing the IDD for Use Dismounting Drives Spare Disk Drive This chapter describes the notes on handling drives, setting, mounting drives, confirming drive operations after installation and preparation for use, and dismounting drives. Notes on Handling Drives The items listed in the specifications in Table 2.1 must be strictly observed.
  • Page 64 Installation Unpackaging a) Use a flat work area. Check that the "This Side Up" sign side is up. Handle the package on soft material such as a rubber mat, not on hard material such as a desk. b) Be careful not to give excess pressure to the internal unit when removing cushions. c) Be careful not to give excess pressure to the PCAs and interface connector when removing the drive from the Fcell.
  • Page 65 5.2 Setting Setting 5.2.1 Loop ID setting When setting the fibre channel loop ID, use SEL0 to SEL6 of interface connector CN1. IN bit weighting, SEL6 corresponds to the MSB, SEL0 to the LSB, and 126 types of X'00' to X'7D' can be specified as loop IDs.
  • Page 66 Installation Mounting Drives 5.3.1 Mounting procedures Since mounting the drive depends on the system cabinet structure, determine the work procedures considering the requirements specific to each system. The general mounting method and items to be checked are shown below. See Subsection 4.1 for the details of requirements for installing the IDD. 1) With a system to which an external operator panel is mounted, if it is difficult to access the connector after the drive is mounted on the system cabinet, connect the external operator panel cable before mounting the drive.
  • Page 67 5.4 Checking Operation after Installation and Preparing the IDD for Use Checking Operation after Installation and Preparing the IDD for Use 5.4.1 Checking initial operation This section explains how to check operation after power is turned on. Since the initial operation of an IDD differs depending on the settings of the motor start mode, check the following initial operations according to the motor start mode set during installation.
  • Page 68 Installation The Active LED goes off while the IDD command is being executed. For some commands, however, since the Active LED goes off for only a fraction of a second, the Active LED looks like it flashes or remains lit. 5.4.2 Checking connection When the initial operation is checked normally after power is turned on, check that the IDD is...
  • Page 69 5.4 Checking Operation after Installation and Preparing the IDD for Use Motor starts when power is turned on Figure 5.1 Checking the IDD connection (A) C141-E215...
  • Page 70 Installation Motor starts by START/STOP command * Executing time: about 60 seconds Figure 5.2 Checking the IDD connection (B) C141-E215...
  • Page 71 5.4 Checking Operation after Installation and Preparing the IDD for Use Checking at abnormal end a) When sense data can be obtained with the REQUEST SENSE command, analyze the sense data and retry recovery for a recoverable error. Refer to Chapter 5 “Sense Data and Error Recovery Method”...
  • Page 72 Installation 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 value "00"...
  • Page 73 5.4 Checking Operation after Installation and Preparing the IDD for Use 5.4.4 Setting parameters The user can specify the optimal operation mode for the user system environments by setting the following parameters with the MODE SELECT or MODE SELECT EXTENDED command: •...
  • Page 74 Installation Error recovery parameter The following parameters are used to control operations such as IDD internal error recovery: a. Read/write error recovery parameters (page code = 1) Parameter Default value • AWRE: Automatic alternate block allocation at Write 1 (enabled) operation •...
  • Page 75 5.4 Checking Operation after Installation and Preparing the IDD for Use Notes: The user can arbitrarily specify the following parameters according to the system requirements: • ARRE • AWRE • • The user also can arbitrarily specify parameters other than the above. However, it is recommended to use the default setting in normal operations.
  • Page 76 Installation Caching parameters The following parameters are used to optimize IDD Read-Ahead caching operations under the system environments. Refer to Chapter 3 “Data Buffer Management” of the Fibre Channel Interface Specifications for further details. Parameter Default value • IC: Initiator control 0 (Drive-specific control (page cache))
  • Page 77 5.4 Checking Operation after Installation and Preparing the IDD for Use Control mode parameters 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.) •...
  • Page 78 Installation Dismounting Drives Since the method and procedure for dismounting the disk drive for replacement of the drive, 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 drive.
  • Page 79 CHAPTER 6 Diagnostics and Maintenance Diagnostics Maintenance Information Operation Check Troubleshooting Procedures This chapter describes diagnostics and maintenance information. Diagnostics 6.1.1 Self-diagnostics The IDD has the following self-diagnostic function. This function checks the basic operations of the IDD. • Initial self-diagnostics •...
  • Page 80 Diagnostics and Maintenance 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) • Peripheral circuits of microprocessor (MPU) •...
  • Page 81 6.1 Diagnostics The IDD does not reply to the loop for up to 2 seconds after the initial self-diagnostics is started. After that, the IDD can accept the I/O operation request correctly, but the received command, except the executable commands under the not ready state (such as INQUIRY, START/STOP UNIT), is terminated with the CHECK CONDITION status (NOT READY [=2]/Logical unit is in process of becoming ready [=04-01] or Logical unit not ready, initializing command required [=04-02]) during the interval from the spindle motor becomes stable to the IDD becomes ready.
  • Page 82 Diagnostics and Maintenance The INIT should issue the REQUEST SENSE command when the CHECK CONDITION status is posted. The sense data collected by the REQUEST SENSE command indicates the detail information of the error detected in the self-diagnostics. The IDD status after the CHECK CONDITION status is posted differs according to the type of the detected error.
  • Page 83 6.2 Maintenance Information Interface (loop) test The operations of the loop and data buffer on the IDD are checked with the WRITE BUFFER and READ BUFFER commands. Basic operation test The basic operations of the IDD are checked by executing self-diagnosis with the SEND DIAGNOSTIC command (see Subsection 6.1.1).
  • Page 84 The PCA cannot be replaced in the field. The DE cannot be replaced in the field. Service system and repairs Fujitsu has the service system and repair facility for the disk drive. Contact Fujitsu representative to submit information for replacing or repairing the disk drive. Generally, the following information...
  • Page 85 Data loss Save data stored on the disk drive to other media before requesting repair. Fujitsu does not assume responsibility if data is destroyed during servicing or repair. See Section 5.1 for notes on packing and handling when returning the disk drive.
  • Page 86 Diagnostics and Maintenance 6.2.4 Revision numbers The revision number of the disk drive is represented with a letter and a number indicated on the revision label attached to the DE. Figure 6.1 shows the revision label format. Figure 6.1 Revision label (example) Indicating revision number at factory shipment When the disk drive is shipped from the factory, the revision number is indicated by deleting numbers in the corresponding letter line up to the corresponding number with = (see Figure 6.2).
  • Page 87 6.2 Maintenance Information When the revision number is changed after the drive is shipped from the factory, Fujitsu issues "Engineering Change Request/Notice" in which the new revision number is indicated. When the user changes the revision number, the user should update the revision label as described in item (2) after applying the modification.
  • Page 88 Diagnostics and Maintenance Start Start self-test by turning the power on Check host system Test results OK? (Table 6.2) Analyze system-related Host system Execute an operation error normal? test using a host computer or test equipment Replaced or repair disk drive Test results OK? Disk drive normal?
  • Page 89 6.3 Operation Check Operation Check 6.3.1 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 disk drive stops, and then the disk drive becomes unusable. For an explanation of the operation check before the initial seek, refer to the Section 5.4.
  • Page 90 Diagnostics and Maintenance Troubleshooting Procedures 6.4.1 Outline of troubleshooting procedures This section explains the troubleshooting procedures for disk drive errors. Depending on the maintenance level, analyze the error to detect a possibly faulty part (disk drive, or disk drive part). Full-scale troubleshooting is usually required if the error cause is not known.
  • Page 91 6.4 Troubleshooting Procedures Table 6.2 System-level field troubleshooting Item Recommended work DC power level Check that the DC voltage is within the specified range (±5%). For +5 VDC, measure the voltage between pin 20 (+5V) of the interface connector and the nearest PCA mounting screw (GND) from the interface connector, and confirm the value is from 4.75 to 5.25 VDC.
  • Page 92 Diagnostics and Maintenance 6.4.3 Troubleshooting at the repair site For maintenance at this level, we recommend additional testing of the disk drive and signal checking. The sense data posted from the IDD helps with troubleshooting. This sense data makes the error type clear (functional, mechanical, or electrical error).
  • Page 93 6.4 Troubleshooting Procedures 6.4.4 Troubleshooting with parts replacement in the factory This manual does not cover troubleshooting at the factory level. 6.4.5 Finding possibly faulty parts Finding possibly faulty parts in the field was explained in Subsection 6.4.2. This manual does not cover finding possibly faulty parts at the factory level.
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  • Page 95 CHAPTER 7 Error Analysis Error Analysis Information Collection Sense Data Analysis This chapter explains in detail how sense data collected from a disk drive is used for troubleshooting. Sense data reflects an error in the disk drive, and helps with troubleshooting. A sense key, additional sense code, and additional sense code qualifier, taken from various sense data are repeated.
  • Page 96 Error Analysis Bit 7 Byte 0 Valid X‘70’ or X‘71’ (error code) X‘00’ Sense key [MSB] Information [LSB] X‘28’ (additional sense data length) Basic [MSB] information Command-specific information [LSB] Additional sense code Additional sense code qualifier X‘00’ SKSV Sense key-specific information Port Link Rate CDB operation code...
  • Page 97 7.2 Sense Data Analysis Sense Data Analysis 7.2.1 Error information indicated with sense data Subsection 7.2.2 onwards explain troubleshooting using sense data. For details of the following sense data, refer to Chapter 5 “Sense Data Error Recovery Methods” of the Fibre Channel Interface Specifications.
  • Page 98 Error Analysis 7.2.2 Sense data (3-0C-03), (4-40-xx), and (4-C4-xx) Sense data (3-0C-03), (4-40-xx), and (4-C4-xx) indicate one of the following: • A target sector could not be detected using the sector counter. • A seek process overran the specified time. •...
  • Page 99 APPENDIX A Connector Signal Allocation Interface (FC-SCA) Connector Signal Allocation This appendix describes the connector signal allocation. C141-E215...
  • Page 100 Connector Signal Allocation Interface (FC-SCA) Connector Signal Allocation Table A.1 FC-SCA connector: CN1 Pin No. Signal Signal Pin No. –EN bypass port A +12V charge +12V +12V +12V +PortA_in –Parallel ESI –PortA_in –Drive present Active LED out +PortB_in –Spindle sync –PortB_in Start_1/Mated Start_2/Mated...
  • Page 101 Glossary Additional Sense Code This is a 1-byte code displayed in the sense data and is information which specifies the type of error that was detected. Common Command Set This is the standard form of SCSI logical specifications stipulated by the operations subcommittee of the American National Standards Institute (ANSI) which stipulates functions which a direct access device (magnetic disk, etc.) should support.
  • Page 102 Glossary Target (TARG) This is the FC device that executes the input/output operations initiated by the initiator (INIT). In this manual, target is abbreviated "TARG." GL-2 C141-E215...
  • Page 103 Acronyms and Abbreviations Disable Transfer on Error ACKnowledge Asynchoronous Event Notification Error Correction Code ALTernated (block) Enable Early Recovery ARRE Automatic Read Reallocation EVPD Enable Vital Product Data Enabled ASCII American Standard Code for Information Interchange ASiGned block ATTeNtion Fibre Channel American Wire Gauge Frame Ground AWRE Automatic Write Reallocation...
  • Page 104 Acronyms and Abbreviations Magnetro Resistive Transfer Block Multiple Select Tracks Per Inch MeSsaGe TeRMinator Original Equipment Manufacturer UnitOfl Unit Offline P list Primary defect list Voice Coil Motor Parts/Number Vital Product Data PBdata Physical Block data Vendor Unique PC board Printed Circuit board Printed Circuit Assembly Post ERror Page Format...
  • Page 105 Index AC noise filter ..........4-9 data field ............3-7 actuator ............1-6 data format............3-1 air circulation..........1-6 data security at power failure......2-7 allowable input voltage and current....4-8 data space............3-1 alternate area........... 3-9 defect list............3-10 alternate block allocation......
  • Page 106 Index format capacity ..........3-8 mounting frame structure........4-4 format of extended sense data......7-2 mounting procedure ........5-4 format parameter........5-9, 5-10 mounting requirement........4-1 FORMAT UNIT command ......5-10 MTBF..............2-5 formatting ............5-9 MTTR .............2-6 function specification........2-2 noise filter ............4-9 gap ..............3-7 note on handling drive ........5-1 general description..........
  • Page 107 Index sense data............7-1 system space ........... 3-3 1-1x-xx .............7-4 system-level field troubleshooting....6-13 3-0C-03 ............7-4 3-1x-xx .............7-4 4-40-xx .............7-4 take following action if problem occur... 5-5 4-44-xx .............7-4 test ..............6-9 4-C4-xx ............7-4 test flowchart ..........6-10 5-2x-xx .............7-4 test program ............
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  • Page 109 List any errors or suggestions for improvement. Page Line Contents Please send this form to the address below. We will use your comments in planning future editions. Address: Fujitsu Learning Media Limited 37-10 Nishikamata 7-chome Oota-ku Tokyo 144-0051 JAPAN Fax: 81-3-3730-3702...
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