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Fujitsu MAU3036NC/NP Product/maintenance Manual

Fujitsu MAU3036NC/NP Manual Online:

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Fujitsu MAU3036NC/NP User Manual
Fujitsu MAU3036NC/NP User Guide
Fujitsu MAU3036NC/NP Online Manual

Text of Fujitsu MAU3036NC/NP User Guide:

  • iv C141-E205 CONVENTIONS FOR ALERT MESSAGES This manual uses the following conventions for alerts to prevent physical or property damages to users or by standards. CAUTION This indicates that either minor or moderate personal injury may occur if the user does not perform the procedure correctly. NOTICE This indicates that inconvenience to the user such as

  • 5-22 C141-E205 (3) Caching parameters The following parameters are used to optimize IDD Read-Ahead caching operations under the system environments. Refer to Chapter 2 "Data Buffer Management" of the SCSI Logical Interface Specifications for further details. Parameter Default value • IC: Initiator control 0 (Drive-specific control (page cache)) • RC

  • Fujitsu MAU3036NC/NP, x C141-E205 4.3.2 68-pin connector type 16-bit SCSI model (NP model)......................................................4-13 4.3.3 Cable connector requirements...........................................................................................4-20 4.3.4 External operator panel (on NP model drives only) ..........................................................4-21 CHAPTER 5 INSTALLATION...............................................................................................5-1 5.1 Notes on Handling Drives.........................................................

  • Fujitsu MAU3036NC/NP, C141-E205 7-3 7.2 Sense Data Analysis For details of sense data, refer to Chapter 5 “Sense Data Error Recovery Methods” in the SCSI Logical Interface Specifications. 7.2.1 Error information indicated with sense data Subsection 7.2.2 onwards explain troubleshooting using sense data. Table 7.1 lists the definition of sense data. Table 7.1 Definition of sense data Sense data Sense key Additional sense code Additional sense code qualifier 00 00 00 Operation was normal. 3 0C 03 A write to a disk terminated abnormally. 4 32 40 C4 01 xx xx Failed to

  • Fujitsu MAU3036NC/NP, 6-2 C141-E205 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) • Memory (RAM) • Data buffer b. Seek test This test checks the positioning operation of the disk drive using several seek modes (2 points seek, 1 position sequential seek, etc.). The positioning operation is regarded as success when the seek operat

  • Fujitsu MAU3036NC/NP, 6-12 C141-E205 6.3 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 5.6. 6.3.2 Operation test While the host computer is processing data, the IDD monitors disk drive operation including data processing, command processing, and seek operations. If the IDD detects an error, the IDD posts the error to the INIT. The INIT then posts

  • Fujitsu MAU3036NC/NP, C141-E205 6-5 (1) Interface (SCSI bus) test The operations of the SCSI bus and data buffer on the IDD are checked with the WRITE BUFFER and READ BUFFER commands. (2) 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). (3) 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. (4) Write/read test By using a data block in the internal test space, the write/read test can be executed with an arbitrary pattern for a disk dr

  • Fujitsu MAU3036NC/NP, 6-10 C141-E205 IMPORTANT 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. Rev. A2 Rev. A3 At shipment Revising at field Figure 6.2 Indicating revision numbers 6.2.5 Tools and test equipment Disk drive troubleshooting and repair in the field require only standard SCSI tools. No special tools

  • Fujitsu MAU3036NC/NP, C141-E205 6-15 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). 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 disk drive subassembly. This fault finding requires a working host computer or disk drive test equipment to recreate the error conditio

  • Fujitsu MAU3036NC/NP, C141-E205 4-7 1 3 4 2 5 Figure 4.6 Surface temperature measurement points (5) 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 4.7. [Surface Q] • Hole for mounting screw [Surface R] • Hole for mounting screw [Surface P] • Cable connection [Surface P'] • Setting terminal (MP model only) • External operator panel connector Figure 4.7 Service clearance area (6)

  • Fujitsu MAU3036NC/NP, C141-E205 IN-3 positioning error rate.......................................2-5 power on/off sequence ............................ 4-8, 4-9 power supply connector ................................4-14 power supply requirement...............................4-8 precaution........................................................6-5 preventive maintenance...................................6-6 programmable data block length.....................1-4 programmable multi-segment data buffer.......1-3 R random/sequential read test.....................

  • Fujitsu MAU3036NC/NP, C141-E205 v 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. This alert signal also indicates that damages to the product or other property may occur if the user does not perform the procedure correctly. Task Alert message Page Mounting Installation Data loss The drive adopts Reed-Solomon code for ECC. The sector-data is divided into 3 interleaving sectors, and ECC is performed in each sector where the maximum number of errors (up to 9 byte) can be corrected.

  • Fujitsu MAU3036NC/NP, 5-14 C141-E205 d) If an error is detected in initial self-diagnosis the LED blinks. In this case, it is recommended to issue the REQUEST SENSE command from the initiator (host system) to obtain information (sense data) for error analysis. IMPORTANT The LED lights during the IDD is executing a command. However, in same commands, the lighting time is only an instant. Therefore, it seems that the LED blinks or the LED remains off. 5.6.2 Checking SCSI connection When the initial operation is

  • C141-E205 4-5 (1) Mounting frame structure Special attention must be given to mount the IDD disk enclosure (DE) as follows. a) Use the frame with an embossed structure, or the like. Mount the IDD with making a gap of 2.5 mm or more between the IDD and the frame of the system. b) As shown in Figure 4.4, the inward projection of the screw from the IDD fra

  • Fujitsu MAU3036NC/NP, C141-E205 5-11 5.4 Mounting Drives 5.4.1 Check before mounting Reconfirm if the CN2 setting terminal is set correctly according to Table 5.8 before mounting the NP model drives in the system cabinet. For the CN2 setting terminal location, see Section 5.3. The NC model drives do not require the following check. Table 5.8 Setting check list (NP model only) No. Setting contents (Check item) Pin pair on CN2 Check Remarks 1 SCSI ID 1/2 3/4 5/6 7/8 ¤ (SCSI ID = __) Upper bus (DB 8 to 15 PI) not connected 2 Write protect 9/10 ¤ Sh

  • Fujitsu MAU3036NC/NP, C141-E205-01EN Comment Form We would appreciate your comments and suggestions regarding this manual. Manual code C141-E205-01EN Manual name MAU3147NC/NP, MAU3073NC/NP, MAU3036NC/NP DISK DRIVES PRODUCT/MAINTENANCE MANUAL Please mark each item: E(Excellent), G(Good), F(Fair), P(Poor). General appearance ( ) Technical level ( ) Organization ( ) Clarity ( ) Accuracy ( ) Illustration ( ) Glossary ( ) Acronyms & Abbreviations ( ) Index ( ) Comments & Suggestions List any errors or suggestions for improvement. Page Line Contents Please send this form to the address below.

  • Fujitsu MAU3036NC/NP, 1-8 C141-E205 1.3 System Configuration Figure 1.4 shows the system configuration. The IDDs are connected to the SCSI bus of host systems and are always operated as target. The IDDs perform input/output operation as specified by SCSI devices which operate as initiator. SCSI bus (#14) (#15) Figure 1.3 System configuration

  • Fujitsu MAU3036NC/NP, C141-E205 4-21 (4) External operator panel (NP model only) The external operator panel is installed only when required for the system. When connection is not required, leave open the following pins in the external operator panel connector of the IDD : Pins 21, 22 and pins 01 through 08 in CN2 and pins A1 through A12 in CN1. 4.3.4 External operator panel (on NP model drives only) A recommended circuit of the external operator panel is shown in Figure 4.23. Since the external operator pan

  • Fujitsu MAU3036NC/NP, 2-6 C141-E205 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 a drive malfunction. The drive is designed for a MTTR of 30 minutes or less. (3) Service life The service life under suitable conditions and treatment is as follows. The service life is depending on the

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