C141-E230-01EN MAY2073RC MAY2036RC HARD DISK DRIVES PRODUCT/MAINTENANCE MANUAL
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C141-E230 vii CONTENTS CHAPTER 1 General Description ...1-1 1.1 Standard Features ..
Contents viii C141-E230 4.1.1 Dimensions...4-1 4.1.2 Mou
Contents C141-E230 ix 6.2.4 Revision numbers...6-7 6.2.5 Tools a
Contents x C141-E230 Illustrations Figures Figure 1.1 Example of SAS system configuration (Dual port internal cabled environment)...
Contents C141-E230 xi Tables Table 2.1 Model names and order numbers...2-1 Table 2.2 Function spec
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C141-E230 1-1 CHAPTER 1 General Description 1.1 Standard Features 1.2 Hardware Structure 1.3 System Configuration This chapter describes the f
General Description 1-2 C141-E230 (3) SAS Standard The HDDs are equipped with a serial attached SCSI (SAS) as a host interface. • Transfer rate:
1.1 Standard Features C141-E230 1-3 When Write Cache is enabled, you should ensure that the cached data is surely flushed to the disk media befor
C141-E230 FOR SAFE OPERATION Handling of This Manual This manual contains important information for using this product. Read thoroughly before using
General Description 1-4 C141-E230 (14) Defective block slipping A logical data block can be reallocated in a physical sequence by slipping the def
1.1 Standard Features C141-E230 1-5 1.2 Hardware Structure The HDDs have a disk enclosure (DE) and a printed circuit assembly (PCA). The DE inc
General Description 1-6 C141-E230 1.3 System Configuration For the Serial Attached SCSI, the ANSI standard defines Point-to-Point technology. Figu
C141-E230 2-1 CHAPTER 2 Specifications 2.1 Hardware Specifications This chapter describes specifications of the HDDs. 2.1 Hardware Specificat
Specifications 2-2 C141-E230 2.1.2 Function specifications Table 2.2 shows the function specifications of the HDDs. Table 2.2 Function specificat
2.1 Hardware Specifications C141-E230 2-3 (*3) The seek time is as follows: (*4) The start time is the time from power on or start command
Specifications 2-4 C141-E230 2.1.3 Environmental specifications Table 2.3 lists environmental and power requirements. Table 2.3 Environmental/Pow
2.1 Hardware Specifications C141-E230 2-5 (*1) For detail condition, see Section 4.1. (*2) Vibration applied to the drive is measured at near t
Specifications 2-6 C141-E230 (2) Mean Time To Repair (MTTR) MTTR is the average time taken by a well-trained service mechanic to diagnose and repa
C141-E230 3-1 CHAPTER 3 Data Format 3.1 Data Space 3.2 Logical Data Block Addressing 3.3 Defect Management This chapter explains data space d
C141-E230 REVISION RECORD Edition Date published Revised contents 01 June, 2005 Specification No.: C141-E230-**EN
Data Format 3-2 C141-E230 Note: Spare sectors on the last track in each cylinder are not necessarily placed at the end of the track because of a tra
3.1 Data Space C141-E230 3-3 (1) User space The user space is a storage area for user data. The data format on the user space (the length of data
Data Format 3-4 C141-E230 3.1.2 Alternate spare area The alternate spare area consists of the last track of each cell in the user space and an alt
3.1 Data Space C141-E230 3-5 3.1.3 Track format (1) Physical sector allocation Figure 3.4 shows the allocation of the physical sectors in a tra
Data Format 3-6 C141-E230 Head Track skew Track skew Head skewLeading logical sector in head p+1 Head Figure 3.5 Track skew/head skew The numbe
3.1 Data Space C141-E230 3-7 Each sector on the track consists of the following fields: (1) Gaps (G1, G2, G3) No pattern is written on the
Data Format 3-8 C141-E230 3.1.5 Format capacity The size of the usable area for storing user data on the IDD (format capacity) varies according to
3.2 Logical Data Block Addressing C141-E230 3-9 (1) Block address of user space The logical data block address number is consecutively assigned
Data Format 3-10 C141-E230 3.3 Defect Management 3.3.1 Defect list Information of the defect location on the disk is managed by the defect list. T
3.3 Defect Management C141-E230 3-11 (1) Alternate block allocation during FORMAT UNIT command execution When the FORMAT UNIT command is speci
C141-E230 Related Standards Product specifications and functions described in this manual comply with the following ANSI (*1) standards and SFF Comm
Data Format 3-12 C141-E230 If above errors are detected during FORMAT UNIT command, the HDDs allocate the alternate block(s) to the defective data
3.3 Defect Management C141-E230 3-13 (3) Automatic alternate block allocation • Automatic alternate block allocation at read operation If the
Data Format 3-14 C141-E230 Type 2 (Reassignment of write fail sector) 1) Commands to be applied - WRITE - WRITE EXTENDED - FORMAT UNIT - WRI
C141-E230 4-1 [Units: mm] CHAPTER 4 Installation Requirements 4.1 Mounting Requirements 4.2 Power Supply Requirements 4.3 Connection Requirements
Installation Requirements 4-2 C141-E230 4.1.2 Mounting orientations The permissible orientations of the HDDs are shown in Figure 4.2, and the tole
4.1 Mounting Requirements C141-E230 4-3 4.1.3 Notes on mounting Damage Never remove any labels from the drive or deface them in any way. (1)
Installation Requirements 4-4 C141-E230 Figure 4.3 Mounting frame structure example (5) Vent hole Never cover the vent hole as shown in Figur
4.1 Mounting Requirements C141-E230 4-5 (6) Environmental temperature Temperature condition at installed in a cabinet is indicated with ambient
Installation Requirements 4-6 C141-E230 (7) Service clearance area The service clearance area, or the sides which must allow access to the HDDs f
4.2 Power Supply Requirements C141-E230 4-7 4.2 Power Supply Requirements (1) Allowable input voltage and current The power supply input voltag
C141-E230 i Preface This manual describes MAY2073RC and MAY2036RC, 2.5" type hard disk drives with an embedded Serial Attached SCSI (SAS). Thi
Installation Requirements 4-8 C141-E230 (5) Noise filter To eliminate AC line noise, a noise filter should be installed at the AC input terminal o
4.3 Connection Requirements C141-E230 4-9 4.3.2 Interface connector Figure 4.10 shows the SAS type interface connector (SAS plug) overview. T
Installation Requirements 4-10 C141-E230 Table 4.2 Interface connector (SAS plug) signal allocation:CN1 Pin No. Signal Description S1 GND GND
4.3 Connection Requirements C141-E230 4-11 4.3.3 Ready LED output signal Figure 4.11 shows a recommended circuit for external LED connection t
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C141-E230 5-1 CHAPTER 5 Installation 5.1 Notes on Handling Drives 5.2 Setting 5.3 Mounting Drives 5.4 Checking Operation after Installation and P
Installation 5-2 C141-E230 (2) Unpackaging a) Use a flat work area. Check that the "This Side Up" sign side is up. Handle the package on
5.2 Setting C141-E230 5-3 5.2 Setting 5.2.1 Port Address Every device that uses the SAS interface has a unique SAS address, and commands use an SA
Installation 5-4 C141-E230 5.4 Checking Operation after Installation and Preparing the HDDs for Use 5.4.1 Checking initial operation The procedur
5.4 Checking Operation after Installation and Preparing the HDDs for Use C141-E230 5-5 c) Issue the REQUEST SENSE command to collect sense data.
Preface ii C141-E230 CONVENTIONS USED IN THIS MANUAL MAY2073RC and MAY2036RC disk drives are described as "the hard disk drives (HDDs)", &q
Installation 5-6 C141-E230 (2) FORMAT UNIT command Initialize entire recording surface of the disk with the FORMAT UNIT command. The FORMAT UNIT
5.4 Checking Operation after Installation and Preparing the HDDs for Use C141-E230 5-7 5.4.3 Setting parameters The user can specify the optimal
Installation 5-8 C141-E230 (1) Error recovery parameters The following parameters are used to control operations such as HDD internal error recove
5.4 Checking Operation after Installation and Preparing the HDDs for Use C141-E230 5-9 (2) Caching parameters The following parameters are used
Installation 5-10 C141-E230 (4) Port control parameters The following parameters are used to control the ready LED signal behavior. Parameter Defa
C141-E230 6-1 CHAPTER 6 Diagnostics and Maintenance 6.1 Diagnostics 6.2 Maintenance Information 6.3 Operation Check 6.4 Troubleshooting Procedures
Diagnostics and Maintenance 6-2 C141-E230 Brief test contents of self-diagnostics are as follows. a. Hardware function test This test checks t
6.1 Diagnostics C141-E230 6-3 (2) Online self-diagnostics (SEND DIAGNOSTIC command) The INIT can make the HDDs execute self-diagnostics by issuin
Diagnostics and Maintenance 6-4 C141-E230 b) When an error is detected in the hardware function test, the HDDs post the CHECK CONDITION status for a
6.2 Maintenance Information C141-E230 6-5 6.2 Maintenance Information See Section 5.1 for notes on packing and handling when returning the disk dr
C141-230 iii Important Alert Items Important Alert Messages The important alert messages in this manual are as follows: A hazardous situation cou
Diagnostics and Maintenance 6-6 C141-E230 6.2.2 Maintenance requirements (1) Preventive maintenance Preventive maintenance is not required. (2) Se
6.2 Maintenance Information C141-E230 6-7 6.2.3 Maintenance levels If a disk drive is faulty, replace the whole disk drive since repair requires
Diagnostics and Maintenance 6-8 C141-E230 (1) Indicating revision number at factory shipment When the disk drive is shipped from the factory, the
6.2 Maintenance Information C141-E230 6-9 6.2.6 Tests This disk drive can be tested in the following ways: • Initial seek operation check (See
Diagnostics and Maintenance 6-10 C141-E230 6.3 Operation Check 6.3.1 Initial seek operation check If an error is detected during initialization by
6.4 Troubleshooting Procedures C141-E230 6-11 6.4 Troubleshooting Procedures 6.4.1 Outline of troubleshooting procedures This section explains th
Diagnostics and Maintenance 6-12 C141-E230 Table 6.2 System-level field troubleshooting Item Recommended work DC power level Check that the DC vol
6.4 Troubleshooting Procedures C141-E230 6-13 6.4.3 Troubleshooting at the repair site For maintenance at this level, we recommend additional t
Diagnostics and Maintenance 6-14 C141-E230 6.4.4 Troubleshooting with parts replacement in the factory This manual does not cover troubleshooting
C141-E230 7-1 CHAPTER 7 Error Analysis 7.1 Error Analysis Information Collection 7.2 Sense Data Analysis This chapter explains in detail
Important Alert Items iv C141-230 Task Alert message Page Installation 2. When dismounting the drive which is mounted on the system while power is
Error Analysis 7-2 C141-E230 Bit 7 6 5 4 3 2 1 0 Byte 0 Valid X‘70’ or X‘71’ (error code) 1 X‘00’ 2 0 0 ILI 0 Sense key 3 4 5
7.2 Sense Data Analysis C141-E230 7-3 7.2 Sense Data Analysis 7.2.1 Error information indicated with sense data Subsection 7.2.2 onwards expla
Error Analysis 7-4 C141-E230 7.2.2 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)
C141-E230 GL-1 Glossary Additional Sense Code This is a 1-byte code displayed in the sense data and is information which specifies the type of error
Glossary GL-2 C141-E230 Target (TARG) This is the SAS device that executes the input/output operations initiated by the initiator (INIT). In this
C141-E230 AB-1 Acronyms and Abbreviations A AC Alternating Current ACK ACKnowledge primitive AEN Asynchoronous Event Notification ALT ALTernated
Acronyms and Abbreviations AB-2 C141-E230 M MPU MicroProcesser Unit MR Magnetro Resistive MS Multiple Select N NACK Negative ACKnowledge primitive
C141-E230 IN-1 Index A actuator... 1-5 additional error recovery parameters... 5-
Index IN-2 C141-E230 I indicating revision number at factory shipment... 6-8 initial diagnosis at ti
Index C141-E230 IN-3 B-4E-00...7-4 E-1D-00...7-4 s
C141-E230 v MANUAL ORGANIZATION PRODUCT/ MAINTENANCE MANUAL (This manual) 1. General Description 2. Specifications 3. Data Format 4. Insta
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C141-E230-01EN Comment Form We would appreciate your comments and suggestions regarding this manual. Manual code C141-E230-01EN Manual name MAY
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