Fujitsu MAP3147 Instrukcja Użytkownika Strona 1

C141-E167-01ENMAP3367, MAP3735, MAP3147 NP/NC SERIESMAS3367, MAS3735 NP/NC SERIESDISK DRIVESSCSI LOGICAL INTERFACE SPECIFICATIONS

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Command Specifications3 - 38 C141-E167Together with the RELEASE command, this command controls exclusive access to the logical unit(IDD) under a multi

3.1 Control/Sense CommandsC141-E167 3 - 39(3) Changing the reserve conditions (Superseding Reserve)The INIT which has the reserve right for an IDD (t

Command Specifications3 - 40 C141-E167• INIT #A can issue INQUIRY, REQUEST SENSE, RELEASE and RESERVE commandsto TARG #0, but other commands are reje

3.1 Control/Sense CommandsC141-E167 3 - 413.1.13 RELEASE (17) BitByte765432100 X‘17’1 LUN 3rd Pty 3rd Pty Dev ID 02×××××××

Command Specifications3 - 42 C141-E1673.1.14 RELEASE EXTENDED (57) BitByte765432100 X‘57’1 LUN 3rd Pty 0 0 0 02××××××××3 T

3.1 Control/Sense CommandsC141-E167 3 - 43The length of the sense data in the IDD is 48 bytes. The "Transfer byte length" field in the CDB

Command Specifications3 - 44 C141-E167• Sense data cannot be sent due to a hardware error in the IDD• An unrecoverable error is detected on the SCSI

3.1 Control/Sense CommandsC141-E167 3 - 45Value Description00b Current threshold values01b Current cumulative values10b Default threshold values11b D

Command Specifications3 - 46 C141-E167(1) Page codeThis field indentifies which log page is being transferred.The log pages that can be transferred by

3.1 Control/Sense CommandsC141-E167 3 - 47(1) Paramter codeThis field identifies the log paramter being transferred for that log page.(2) Byte 2a) DU

C141-E167 viiContentsCHAPTER 1 Command Processing...

Command Specifications3 - 48 C141-E167(4) Parameter valueThis field indicates actual "threshold value" or "cumulative value". The

3.1 Control/Sense CommandsC141-E167 3 - 49Page Code Description Parameter Pointer00 Supported Log Pages Ignored01 Buffer Overrun / Underrun Page Supp

Command Specifications3 - 50 C141-E167The PERSISTENT RESERVE IN command obtains information about the reservation requirementsand reservation keys tha

3.1 Control/Sense CommandsC141-E167 3 - 513.1.18.1.2 READ RESERVATIONSIn the READ RESERVATION service action, the drive transfers the following info

Command Specifications3 - 52 C141-E167This counter value is not incremented in the following cases:When the PERSISTENT RESERVE IN command is executedW

3.1 Control/Sense CommandsC141-E167 3 - 53The "Additional Length" field contains a count of the number of bytes to follow in the "Reser

Command Specifications3 - 54 C141-E167Code Name Description0h Logical Unit Persistent reservation applies to an entire logical unit1h Reserved Reserve

3.1 Control/Sense CommandsC141-E167 3 - 55Table 3.2 Persistent reservation type codesCode Name Description0h ReservedReads Shared: Any initiator can

Command Specifications3 - 56 C141-E1673.1.19 PERSISTENT RESERVE OUT (5E) BitByte765432100X'5E'1 0 0 0 Service Action2 Scope Type30

3.1 Control/Sense CommandsC141-E167 3 - 57The RESERVE, PREEMPT, and PREEMPT AND ABORT service actions of this commanddetermine whether any conflict o

Contentsviii C141-E167CHAPTER 2 Data Buffer Management ...

Command Specifications3 - 58 C141-E167Table 3.3 PERSISTENT RESERVE OUT command service action codesCode Name Description00h REGISTER Registers a rese

3.1 Control/Sense CommandsC141-E167 3 - 59For the "Reservation Key" field, an 8-byte key code provided by the application client is set in

Command Specifications3 - 60 C141-E167Table 3.4 PERSISTENT RESERVE OUT service actions and valid parametersParametersService Action Allowed Scope type

3.1 Control/Sense CommandsC141-E167 3 - 61This command requests that the peripheral device logical unit inventory be sent to the applicationclient.Thi

Command Specifications3 - 62 C141-E1673.1.21 REPORT DEVICE IDENTIFIER (A3) BitByte765432100X'A3'1 0 0 0 Service Action (X’ 05’)200

3.1 Control/Sense CommandsC141-E167 3 - 63The "Identifier Length" field specifies the length in bytes of the "Identifier" field.I

Command Specifications3 - 64 C141-E167The "Allocation Length" field specifies the length in bytes of the Identifier that shall be transferre

3.2 Data Access CommandsC141-E1673 - 653.2 Data Access Commands3.2.1 READ (08) BitByte765432100 X‘08’1 LUN Logical Block Address (MSB)2 Logic

Command Specifications3 - 66C141-E1673.2.2 READ EXTENDED (28) BitByte765432100 X‘28’1LUN×FUA 0 0 02 Logical Block Address (MSB)

3.2 Data Access CommandsC141-E1673 - 673.2.3 WRITE (0A) BitByte765432100X‘0A’1 LUN Logical Block Address (MSB)2 Logical Block

ContentsC141-E167 ix3.1.19 PERSISTENT RESERVE OUT (5E) ...3-563.1.19.1

Command Specifications3 - 68C141-E167Note:Even when there is an error in the specification in the CDB, or when a write operation to the diskmedia cann

3.2 Data Access CommandsC141-E1673 - 69When this bit is "1", it indicated that the IDD shall access the media in performing the commandprio

Command Specifications3 - 70C141-E167processing is not prohibited, even if a correctable data check is detected during the verify check, it isregarded

3.2 Data Access CommandsC141-E1673 - 713.2.7 SEEK (0B) BitByte765432100X‘0B’1 LUN Logical Block Address (MSB)2 Logical Block

Command Specifications3 - 72C141-E167This command executes a seek operation of the cylinder/track where the logical data block specifiedin the "L

3.2 Data Access CommandsC141-E1673 - 73Also, the size of the range where access is permitted, specified in this command in the "Block count"

Command Specifications3 - 74C141-E167Notes:1. Commands which come under restrictions in read operations or write operations when "1"is speci

3.3 Format CommandsC141-E1673 - 75The values specified in the "Logical block address" field and "Block count" field in the CDB are

Command Specifications3 - 76C141-E167(1) Defect listIn order to register or specify the positions of defects on the disk media in connection with defe

3.3 Format CommandsC141-E1673 - 77(2) Specifying the initialization methodThe INIT can specify the method of defect processing executed by this comma

Contentsx C141-E1674.1.6 Caching parameters (page code = 8)... 4-214.

Command Specifications3 - 78C141-E167(3) Format parametersFigure 3.13 shows the data format of the Format parameter transferred from the INIT when “1”

3.3 Format CommandsC141-E1673 - 79a. HeaderThe top of the format parameter transferred from the INIT is a 4-byte header. The INIT canspecify the met

Command Specifications3 - 80C141-E167• Immed (Immediate)“1” : If “1” is specified in the Immed (immediate) bit, at the point when the CDB’slegality i

3.3 Format CommandsC141-E1673 - 81Note:In order to specify an entire track as defective, X ‘FFFFFFFF’ must be specified as thebyte distance from the

Command Specifications3 - 82C141-E167 BitByte765432100 Cylinder No. (MSB)1 Cylinder No.2 Cylinder No. (LSB)3 Head No.4 Physi

3.3 Format CommandsC141-E1673 - 83boundaries (User Space), and is recorded as the G List, but formatting processing isexecuted only for the User Spac

Command Specifications3 - 84C141-E167Table 3.5 FORMAT UNIT command defect processing (2 of 3)CDB Byte 1 Header FmtData CmpLst Defect listformat FOV DP

3.3 Format CommandsC141-E1673 - 85Table 3.5 FORMAT UNIT command defect processing (3 of 3)Note 1) ddd: 0,0,0= D List in the block address format.1,0,

Command Specifications3 - 86C141-E167Note:Copying of the contents of data in the logical data blocks specified in the “Defect data” list toalternate b

3.3 Format CommandsC141-E1673 - 87The logical block address of defective data blocks is described in 4-byte format in the defectdescriptor. When mul

ContentsC141-E167 xi4.2.8.4 Start-stop cycle counter (Page 0E, Code 0004)...4-544.2.9 Applic

Command Specifications3 - 88C141-E1671. Delete the defect descriptors which precede the defect descriptor that specifies the logical blockaddress disp

3.3 Format CommandsC141-E1673 - 89PList GList Defect Data Type1 1 P List and G List1 0 P List only0 1 G List only0 0 4-byte header information only (

Command Specifications3 - 90C141-E167b. G List (grown list) bitWhen this bit is “1,” it indicates that G List defect data are included in the defect d

3.3 Format CommandsC141-E1673 - 91• Defect List Length field: The total number of bytes described in the “Defect ListFormat” specifying defect data i

Command Specifications3 - 92C141-E167• When data are in the “Byte Distance from the Index Format,” when the P List isreported, multiple defect positi

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 93Type of Self-diagnosis Test UnotOfl = “0” UnitOfl = “1”1) Controller Function Test××2) Disk Drive

Command Specifications3 - 94C141-E167Note:When “1” is specified in the “SelfTest (self test)” bit in this command, the command executionresults are re

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 953. When a command other than the RECEIVE DIAGNOSTIC RESULTS command is linked tothis command, the

Command Specifications3 - 96C141-E167This parameter page specifies transfer of the “Page code” list of the parameter page supported bythe IDD in the S

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 97The “Address Format Before Conversion” field shows the format of the address informationspecified

Contentsxii C141-E167IllustrationsFigures1.1 6-Byte CDB Basic Format ...

Command Specifications3 - 98C141-E167SELF-TEST Code Description0,0,0 Refer to clause (2), Parameter Specification.0,0,1 The device server shall start

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 99Notes:Exercise caution in the following points when using this command.1. In order to avoid damage

Command Specifications3 - 100C141-E167• Page parameter lengthThis field shows the byte length of the page parameter after byte 4.• Page parameterDat

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 101 BitByte765432100 X ‘40’ (Page Code)1000000002 X ‘00’ (Page Parameter Length)3 X ‘0A’ (Pa

Command Specifications3 - 102C141-E167The description of address information shown in bytes 6 to 13 is the same as the descriptionspecifications in th

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 103“Mode Bit” 3 2 1 0 Transfer Mode0 0 0 0 Header + Data, without Address Specification0 0 0 1 Heade

Command Specifications3 - 104C141-E167(2) Mode = 0, 0, 0, 1: Header + data, without address specificationThe format of data transferred from the INIT

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 105Note:Depending on the setting in the IDD, if done using the START/STOP command, it is necessary t

Command Specifications3 - 106C141-E167The "Transfer Byte Length" field specifies the maximum number of bytes that shall be present in theDat

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 1073.4.4 READ BUFFER (3C) BitByte765432100X‘3C’1 LUN 0 Mode2 X‘00’ (Buffer I

ContentsC141-E167 xiii4.1 MODE SELECT parameters: read/write error recovery parameters ...4-24.2 MODE SELECT

Command Specifications3 - 108C141-E167The “Transfer byte count” field in the CDB specifies the total number of bytes of the header andbuffer data whic

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 109The “Transfer byte length” field in the CDB specifies the total number of bytes of header and buf

Command Specifications3 - 110C141-E167The "Addressing boundary" field in the buffer descriptor indicates the addressing boundary in thedata

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 1113.4.5 READ LONG (3E) BitByte765432100X‘3E’1LUN000CORRCT02 Logical Block A

Command Specifications3 - 112C141-E167Error recovery processing during execution of this command is in accordance with the specificationsin (Page code

3.4 Maintenance, Diagnostic CommandsC141-E1673 - 113• Sense Key : 05 = ILLEGAL REQUEST• Sense Code/Sub-sense Code : 24-00 = Invalid field in CDB•

Command Specifications3 - 114C141-E167The IDD is not supported a "PBdata" bit. Therefore, if "PBdata" bit is one, this command ist

C141-E167 4 - 1CHAPTER 4 Parameter Data Formats4.1 Mode Parameters4.2 Log ParametersThis chapter describes detailed parameter data formats provided b

Parameter Data Formats4 - 2 C141-E167 BitByte765432100 000000011 X‘0A’ or X‘06’ (Page Length)2AWREARRETBRCERRPERDTEDCRDefault11101000

4.1 Mode ParametersC141-E167 4 - 3• READ • WRITE• READ EXTENDED • WRITE AND VERIFY (Write operation)• READ LONG • WRITE EXTENDED• SEND DIAGNOSTIC (Wr

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Parameter Data Formats4 - 4 C141-E167f. PER (post error)"1" : When several errors (errors related to the disk drive), which were recovered

4.1 Mode ParametersC141-E167 4 - 5j. Correctable bit lengthThis parameter indicates the burst error length (bit length) which it is possible to apply

Parameter Data Formats4 - 6 C141-E167n. Recovery time limitThis parameter specifies the maximum time that can be used by the TARG for error recoverypr

4.1 Mode ParametersC141-E167 4 - 7Table 4.1 Combinations of error recovery flags (1 of 3)EER PER DTE DCR Error Recovery Procedure00001.Rereading is t

Parameter Data Formats4 - 8 C141-E167Table 4.1 Combinations of error recovery flags (2 of 3)EER PER DTE DCR Error Recovery Procedure01101.Rereading is

4.1 Mode ParametersC141-E167 4 - 9Table 4.1 Combinations of error recovery flags (3 of 3)EER PER DTE DCR Error Recovery Procedure11001.When a correct

Parameter Data Formats4 - 10 C141-E1674.1.2 Disconnect/reconnect parameters (page code = 2)The format of the page descriptor in this MODE SELECT param

4.1 Mode ParametersC141-E167 4 - 11Note:If transfer of this page descriptor is required by the MODE SENSE or MODE SENSE EXTENDEDcommand, the IDD repo

Parameter Data Formats4 - 12 C141-E167Note:If the value specified for the "buffer full ratio" or the "buffer empty ratio" is not w

4.1 Mode ParametersC141-E167 4 - 1300b= Perform disconnection according to the instructions of other parameters withoutusing DTDC.01b= When a data tr

C141-E167 1 - 1CHAPTER 1 Command Processing1.1 Command Format1.2 Status Byte1.3 Outline of Command Processing1.4 Command Queuing Function1.5 UNIT ATTE

Parameter Data Formats4 - 14 C141-E1674.1.3 Format parameter (page code = 3)The Page descriptor format of this MODE SELECT parameter is shown in Figur

4.1 Mode ParametersC141-E167 4 - 15a. Parameters for specifying alternate processing areas for defective blocks (bytes 2 to 9)The following 4 paramet

Parameter Data Formats4 - 16 C141-E167c. Parameters specifying sector format (bytes 12 to 19)• Data byte length/physical sectorsThis parameter specif

4.1 Mode ParametersC141-E167 4 - 17• HSEC (hard sectoring)When this bit is "1," it indicates that the data formatting method on the disk m

Parameter Data Formats4 - 18 C141-E167 BitByte765432100 000001001 X‘16’, X‘12’ or X‘0A’ (Page Length)2-4 Cylinder CountDefault X‘0

4.1 Mode ParametersC141-E167 4 - 19a. Cylinder countThis parameter specifies the total number of cylinders configured in the user space on the diskme

Parameter Data Formats4 - 20 C141-E167 BitByte765432100 000001111 X‘0A’ (Page Length)2 (Reserved) EER PER DTE DCRDefault00001000Vari

4.1 Mode ParametersC141-E167 4 - 21b. Number of retries during VERIFYThis parameter specifies the number of times reading of the disk media should be

Parameter Data Formats4 - 22 C141-E167 BitByte765432100 000010001 X‘0A’ or X‘12’ (Page Length)2 IC ABPF CAP DISC SIZE WCE MS RCDD

4.1 Mode ParametersC141-E167 4 - 23a. RCD (read cache disable)This bit can be specified, and its operation is as specified.This bit specifies whether

C141-E167FOR SAFE OPERATIONHandling of This ManualThis manual contains important information for using this product. Read thoroughly before usingthe

Command Processing1 - 2 C141-E167 BitByte765432100 Operation Code1 LUN 000002 Logical Block Address (MSB)3 Logical Block Address4 Logical Blo

Parameter Data Formats4 - 24 C141-E167d. SIZE (size enable) (not supported)"1" : Divides the data buffer in accordance with the value spe

4.1 Mode ParametersC141-E167 4 - 25"F" : Data put into the cache during a WRITE or WRITE and VERIFY command was notreplaced if there is o

Parameter Data Formats4 - 26 C141-E167"1" : Requests that the device server not read into the buffer any logical blocks beyond theaddressed

4.1 Mode ParametersC141-E167 4 - 27cache segments are occupied by data to be retained. If the number is at least one, cachingfunctions in the other se

Parameter Data Formats4 - 28 C141-E167a. TST (Task Set Type)This field specifies the type of task set defined below.Value Description000b Task set per

4.1 Mode ParametersC141-E167 4 - 29Despite the commands whose specified LBAs are overlapped, the IDD conducts reorderingoperation. Therefore the INIT

Parameter Data Formats4 - 30 C141-E167g. RAC (Report Check) (not supported)The IDD is not supported in this bit. Therefore, the IDD always report &qu

4.1 Mode ParametersC141-E167 4 - 314.1.8 Notch parameter (page code = 0C) BitByte765432100 000011001 X‘16’ (Page Lengt

Parameter Data Formats4 - 32 C141-E167If this parameter is issued, only the format parameter of the zone specified by the MODE SENSEcommand can be ref

4.1 Mode ParametersC141-E167 4 - 33• Starting BoundaryThis field is enabled by the MODE SENSE command. This field indicates the beginning of theact

1.1 Command FormatC141-E167 1 - 3(1) Operation codeBit 76543210Group Code Command CodeThe leading byte of all CDBs shows the format and type of comman

Parameter Data Formats4 - 34 C141-E167The log errors bit (LogErr) of zero indicates that the logging of informational exception conditionswithin a tar

4.1 Mode ParametersC141-E167 4 - 35MRIE DescriptorX’00’ No reporting of informational exception conditions:This method instructs the target to not re

Parameter Data Formats4 - 36 C141-E167The "Interval Timer" field indicates the period in 100 millisecond increments for reporting that aninf

4.2 Log ParametersC141-E167 4 - 37a. RPR (rounded parameter report)This bit stipulates the operation in the case where rounding up or rounding down p

Parameter Data Formats4 - 38 C141-E1674.2.1 Supprot log page (X'00')The supported log page returns the list of log pages implemented by the

4.2 Log ParametersC141-E167 4 - 394.2.2 Buffer overrun / underrun page (X'01') BitByte765432100000000011 X‘00’

Parameter Data Formats4 - 40 C141-E167• Data UnderrunCount of data underruns which occur during write operation when a buffer empty conditionprevents

4.2 Log ParametersC141-E167 4 - 414.2.3.2 Write errors recovered with possible delays (Page 02, Code 0001) BitByte7654321

Parameter Data Formats4 - 42 C141-E1674.2.3.4 Total posted recoverable write errors (Page 02, Code 0003) BitByte7654321045

4.2 Log ParametersC141-E167 4 - 434.2.3.6 Total posted unrecoverable write errors (Page 02, Code 0006) BitByte7654321045(

Command Processing1 - 4 C141-E167Furthermore, this field may be used with a different meaning, or it may not have any meaning at all,depending on the

Parameter Data Formats4 - 44 C141-E1674.2.4.1 Read errors recovered without delays (Page 03, Code 0000) BitByte7654321045(

4.2 Log ParametersC141-E167 4 - 454.2.4.3 Total posted read errors (Page 03, Code 0002) BitByte7654321045(MSB)X'0002

Parameter Data Formats4 - 46 C141-E1674.2.4.5 Total read bytes processed (Page 03, Code 0005) BitByte7654321045(MSB)X&apos

4.2 Log ParametersC141-E167 4 - 474.2.5 Verify error count page (X'05') BitByte765432100 000001011 X‘00’ (Reser

Parameter Data Formats4 - 48 C141-E1674.2.5.2 Vefiry errors recovered with possible delays (Page 05, Code 0001) BitByte765

4.2 Log ParametersC141-E167 4 - 494.2.5.4 Total posted recoverable verify errors (Page 05, Code 0003) BitByte7654321045(M

Parameter Data Formats4 - 50 C141-E1674.2.5.6 Total posted unrecoverable verify errors (Page 05, Code 0006) BitByte7654321

4.2 Log ParametersC141-E167 4 - 51The Counter Value indicates the count of all non-medium errors (01/xx/xx, 02/xx/xx, 04/xx/xx,05/xx/xx, 06/xx/xx, 07

Parameter Data Formats4 - 52 C141-E1674.2.7.2 Reference temperature (Page 0D, Code 0001) BitByte7654321045(MSB)X'0001

4.2 Log ParametersC141-E167 4 - 534.2.8.1 Date of manufacture (Page 0E, Code 0001) BitByte7654321045(MSB)X'0001&apos

1.1 Command FormatC141-E167 1 - 5Note:It is possible that bits 7 and 6 of the control byte will be used in future product specificationsas an inherent

Parameter Data Formats4 - 54 C141-E167The Accounting date specified by parameter code 0002h is a parameter that may be savable using aLOG SELECT comma

4.2 Log ParametersC141-E167 4 - 55The Accumulated start-stop cycles is a parameter provided by the device sever. The accumulatedstart-stop cycles pa

Parameter Data Formats4 - 56 C141-E167The values stored in the General usage parameter bytes represent data sent to the device server in aprevious LOG

4.2 Log ParametersC141-E167 4 - 574.2.11 SMART status page (X'2F')[Fujitsu unique page] BitByte765432100 001011

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C141-E167 5 - 1CHAPTER 5 Sense Data Error Recovery Methods5.1 Sense Data5.2 INIT Error Recovery Methods (Recommended)5.3 Disk Drive Error Recovery P

Sense Data Error Recovery Methods5 - 2 C141-E167 BitByte765432100 Valid X ‘70’ or X ‘71’ (Error Code)1 X‘00’200ILI0 Sense Key3MSB45 Information

5.1 Sense DataC141-E167 5 - 3(2) Error codeThis field shows the format and type of sense data. The IDD always displays X ‘70’ (current error)or X ‘7

Sense Data Error Recovery Methods5 - 4 C141-E167(8) Sense code, sub-sense codeThe codes which indicate the reason for the error displayed by the sense

5.1 Sense DataC141-E167 5 - 5Table 5.1 Sense keySenseKeyName Explanation0 NO SENSE The specific sense key does not exist.1 RECOVEREDERROR1) Indicates

Command Processing1 - 6 C141-E1671.2 Status ByteFigure 1.4 shows status byte format and the type of status that the IDD supports.The status byte is on

Sense Data Error Recovery Methods5 - 6 C141-E167Table 5.2 Sense and subsense codes (1 of 5)C* Q* Name ExplanationSensekey00 No additional senseinforma

5.1 Sense DataC141-E167 5 - 7Table 5.2 Sense and subsense codes (2 of 5)C* Q* Name ExplanationSensekey13 00 Sync Byte not found forData fieldSB (Sync

Sense Data Error Recovery Methods5 - 8 C141-E167Table 5.2 Sense and subsense codes (3 of 5)C* Q*Name ExplanationSensekey1F 00 Partial Defect List Tran

5.1 Sense DataC141-E167 5 - 9Table 5.2 Sense and subsense codes (4 of 5)C* Q* Name Explanation Sensekey3D 00 Invalid bits in IDENTIFYmessage"1&

Sense Data Error Recovery Methods5 - 10 C141-E167Table 5.2 Sense and subsense codes (5 of 5)C* Q* Name ExplanationSensekey45 00 Select/Reselect failu

5.2 INIT Error Recovery Methods (Recommended)C141-E167 5 - 115.1.3 Sense data additional informationBytes 18 to 47 of sense data are defined as a Fuj

Sense Data Error Recovery Methods5 - 12 C141-E167ENDstatus received ?BUS FREEerror ?Timeout ?See item (3).See item (4).GOODBUSYQUEUEFULLYesYesYesYesNo

5.2 INIT Error Recovery Methods (Recommended)C141-E167 5 - 13(2) RESERVATION CONFLICT statusThis status shows, under a multi-initiator environment, t

Sense Data Error Recovery Methods5 - 14 C141-E167The cause of this error is the occurrence of an unrecoverable error on the SCSI bus, the occurrenceof

5.2 INIT Error Recovery Methods (Recommended)C141-E167 5 - 15Table 5.3 Sense data error classification (2 of 4)K* C* Q* Outline of Error L*Recovery

1.2 Status ByteC141-E167 1 - 7(2) CHECK CONDITION statusThis status is reported in the following cases a) to c). The IDD generates sense data when it

Sense Data Error Recovery Methods5 - 16 C141-E167Table 5.3 Sense data error classification (3 of 4)K* C* Q* Outline of Error L*Recovery Method(See Ta

5.2 INIT Error Recovery Methods (Recommended)C141-E167 5 - 17Table 5.3 Sense data error classification (4 of 4)K* C* Q* Error contents L*Recovery me

Sense Data Error Recovery Methods5 - 18 C141-E167Table 5.4 Error Recovery Processing Procedures (2 of 5)RecoveryMethodRecovery Processing Procedure5 1

5.2 INIT Error Recovery Methods (Recommended)C141-E167 5 - 19Table 5.4 Error recovery processing procedures (3 of 5)RecoverymethodRecovery processin

Sense Data Error Recovery Methods5 - 20 C141-E167Table 5.4 Error recovery processing procedures (4 of 5)RecoverymethodRecovery processing procedure18

5.2 INIT Error Recovery Methods (Recommended)C141-E167 5 - 21Table 5.4 Error recovery processing procedures (5 of 5)RecoverymethodRecovery processin

Sense Data Error Recovery Methods5 - 22 C141-E1675.3 Disk Drive Error Recovery ProcessingThis section explains concerning error recovery processing me

5.3 Disk Drive Error Recovery ProcessingC141-E167 5 - 23If error correction is permitted but immediate correction is not permitted (DCR = 0, EER = 0)

Sense Data Error Recovery Methods5 - 24 C141-E167Remark:1. When this function is specified (ARRE = "1"), the EER flag's specification i

5.3 Disk Drive Error Recovery ProcessingC141-E167 5 - 25Sectors to be made AWRE shall be following:• the sector where the error occurs and the latte

Command Processing1 - 8 C141-E167 (6) INTERMEDIATE CONDITION MET StatusThis status is reported when it is possible to secure the cache memory area nec

Sense Data Error Recovery Methods5 - 26 C141-E167b. Verify Error Recovery Parameters (Page Code = 7)• EER (enable early recovery)• PER (post error)•

C141-E1676 - 1CHAPTER 6 Disk Media Management6.1 Defect Management6.2 Disk Media Initialization6.3 Data Block Verification Methods (Recommended)6.4

Disk Media Management6 - 2C141-E167(2) Alternate block allocationAlternate data blocks are allocated in defective sector units for defective data bloc

6.2 Disk Media InitializationC141-E167 6 - 3• Alternate block allocation processing during FORMAT UNIT command executionWith the FORMAT UNIT command,

Disk Media Management6 - 4C141-E167(1) Issuing the MODE SELECT commandThe MODE SELECT or MODE SELECT EXTENDED command is issued and the format attribu

6.2 Disk Media InitializationC141-E167 6 - 56.2.2 Re-initializationThe INIT can reinitialize the disk drive after it has been operated using the FORM

Disk Media Management6 - 6C141-E1676.3 Data Block Verification Methods (Recommended)The recommended procedure for verifying from the INIT the normalcy

6.4 Alternate Block Allocation ProcessingC141-E167 6 - 7(3) Reading and verification of dataIssue the READ, READ EXTENDED or VERIFY command and verif

Disk Media Management6 - 8C141-E167The alternate block allocation history (defect position information) is registered as an addition to thedefect list

C141-E167 GL-1GlossaryAxial accelerationAcceleration in the recording layer along the line perpendicular to the diskreference surface at a specified r

1.3 Outline of Command ProcessingC141-E167 1 - 96) When execution of the command is completed, the TARG reports the execution results by thestatus byt

GlossaryGL-2 C141-E167Initiator (INIT)This is a SCSI device which initiates input and output operations on the SCSI bus.In this manual, initiator has

GlossaryC141-E167 GL-3status, this is information generated by the target for reporting detailedinformation on that status.Sense KeyThis is a 4-bit co

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C141-E167 AB-1Acronyms and AbbreviationsAACK AcknowledgeATN AttentionAWG American Wire GaugeBBSY BusyCC/D Control/dataCCS Common command setCDB Common

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Comments concerning this manual can be directed to one of the following addresses:FUJITSU LIMITEDBusiness PlanningSolid Square East Tower580 Horikawa-

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C141-E167 IN-1Index10-byte CDB basic format 1-212-byte CDB basic format 1-26-byte CDB basic format 1-1Aaccounting date 4-53ACE 3-18active no

IndexIN-2 C141-E167changing reserve condition 3-39CHECK CONDITION status 1-7C list 3-76, 6-1clocking field 3-8CmdDt 3-3commandsupport data

IndexC141-E167 IN-3disconnect processing 1-11, 1-12exception 1-14procedure after COMMAND phaseexecution 1-13procedure after data transferexecuti

Command Processing1 - 10 C141-E167Table 1.1 Responses to Link Specification CommandsFlag End Status Status Message Link Function0CompletedNormallyINTE

IndexIN-4 C141-E167Hhandling illegal CDB 1-5hard sectoring 4-17header 3-16, 3-22, 3-32, 3-78, 3-89header + datawith address specification 3-10

IndexC141-E167 IN-5mode=0, 0, 1, 1 3-109mode=0, 1, 0, 0 3-104mode=0, 1, 0, 1 3-105mode=0, 1, 1, 0 3-105mode=0, 1, 1, 1 3-106mode=1, 0, 1, 0

IndexIN-6 C141-E167parameter specification 3-94parameter specifyingsector format 4-16track format 4-15PER 4-4, 4-20Perf 4-34persistent reser

IndexC141-E167 IN-7object and third party releasefunction 3-41RELEASE EXTENDED 3-42removable medium 4-17report check 4-30REPORT DEVICE IDENTIF

IndexIN-8 C141-E167spindle motor start delay time 3-18SSEC 4-16standard INQUIRY data 3-3, 3-4starting boundary 4-33start specification 3-37s

IndexC141-E167 IN-9WP bit 3-32WRITE 3-67WRITE AND VERIFY 3-69, 4-20WRITE BUFFER 3-102command 3-103write cache 2-10enable 4-23write error

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READER’S COMMENT FORMYour comments or suggestions on this document are cordially solicited. For any comments and suggestionsyou may have, please comp

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1.3 Outline of Command ProcessingC141-E167 1 - 111.3.3 Disconnect/reconnect processingWhen processing is performed by the TARG during the command exec

C141-E167Revision History(1/1)Edition DateRevised section (*1)(Added/Deleted/Altered)Details01 May, 2002 — —*1 Section(s) with asterisk (*) refer to t

Command Processing1 - 12 C141-E167Table 1.2 Types of Command and Disconnect ProcessingCommands with executing disconnect processing. (Note 2)

1.3 Outline of Command ProcessingC141-E167 1 - 13(2) Basic disconnect processing procedureDisconnect processing is executed basically by the following

Command Processing1 - 14 C141-E167Note:In disconnect processing in this case, transfer of all the data accompanying execution of thecommand is complet

1.3 Outline of Command ProcessingC141-E167 1 - 153) After the INIT that accepts the IDENTIFY message normally completes the pointerrestore operation,

Command Processing1 - 16 C141-E167The IDD maintains data transfer mode settings between itself and each INIT individually. Therefore,an INIT which us

1.4 Command Queuing FunctionC141-E167 1 - 17When a command is in the queued state, if a RESET condition occurs, or if the IDD receives aTARGET RESET m

Command Processing1 - 18 C141-E167a) When there is an error in the CDB, the IDD responds with a CHECK CONDITIONstatus at the point when that command

1.5 UNIT ATTENTION ConditionC141-E167 1 - 19The INIT can specify 2 error recovery options by the QErr bit of the control mode parameter (PageA) of the

Command Processing1 - 20 C141-E167(1) When power on, RESET or TARGET RESET occursIf the IDD’s power is switched on, the IDD enters the RESET condition

1.5 UNIT ATTENTION ConditionC141-E167 1 - 21• Power on [=29-01]• Reset [=29-02]• TARGET RESET [=29-03]• Transciever Mode Changed to SINGLE-ENDED [=29-

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Command Processing1 - 22 C141-E167The IDD executes the REQUEST SENSE command normally and sends the sense data whichindicate the UNIT ATTENTION condit

1.7 Command Processing ExceptionsC141-E167 1 - 231) If a command is issued to the logical unit in the sense data hold state by the INIT which is theob

Command Processing1 - 24 C141-E1672) The IDD reports a CHECK CONDITION status for a command that generates an overlap. Atthis time, the sense data ge

1.7 Command Processing ExceptionsC141-E167 1 - 25• When reading of system information is not completed, or reading failed.Also, if initialization of

Command Processing1 - 26 C141-E167reached the normal rotating speed, or if reading of system information is still in progress, a CHECKCONDITION status

1.7 Command Processing ExceptionsC141-E167 1 - 27Table 1.4 Outline of SCSI Bus Error Recovery ProcessingItem Type of Error Error Recovery Processing1

Command Processing1 - 28 C141-E1671.7.6 Reset processingThe INIT can reset the SCSI bus with following.• RESET condition• TARGET RESET message• CLE

1.7 Command Processing ExceptionsC141-E167 1 - 29Table 1.6 Reset processing during writeType of command Halting process of command executionWRITEWRITE

Command Processing1 - 30 C141-E167After this state occurs, the IDD reports the CHECK CONDITION status for all input/outputoperation requests except th

1.8 Data Block AddressingC141-E167 1 - 31MAP3147 MAP3735 MAP3367 MAS3367 MAS3735z73 TBDa14 TBDb1 TBDc 1044 TBD TBDd 48970 49040 49166 TBD TBDm8 4 2 TB

C141-E167iPrefaceThis manual explains concerning the MAS3367, MAS3735, MAP3367, MAP3735,MAP3147 series 3.5 inch hard disk drives with internal SCSI co

Command Processing1 - 32 C141-E1671.8.2 Logical block addressingThe IDD uses logical data block addressing which is not dependent on the disk drive’s

C141-E167 2 - 1CHAPTER 2 Data Buffer Management2.1 Data Buffer2.2 Look-Ahead Cache Feature2.3 Write CacheIn this chapter, the configuration of the dat

Data Buffer Management2 - 2 C141-E167Segment 7Segment 6Segment 5Segment 4←Read←ReadWrite→Segment 3Segment 2Segment 1Segment 0Valid DataWrite→Disk Medi

2.1 Data BufferC141-E167 2 - 36) When transfer of all the specified data is completed, the IDD reports the status and terminatesthe command.Note:In or

Data Buffer Management2 - 4 C141-E1673) If the data transfer rate of the INIT (SCSI bus) is lower than the data transfer rate of the disk drive,since

2.1 Data BufferC141-E167 2 - 52.1.2 Operation mode setting(1) MODE SELECT parameterIn order to make it possible to control from the INIT the reconnect

Data Buffer Management2 - 6 C141-E167b. Buffer empty ratioThis parameter specifies the timing for the IDD to start reconnection when it is requested b

2.2 Look-Ahead Cache FeatureC141-E167 2 - 7(1) Caching object commandsCommands which execute caching operations are the commands shown below:• READ• R

Data Buffer Management2 - 8 C141-E167b) If any of the following commands is issued, all the data which are objects of caching aredisabled.•CHANGE DEFI

2.2 Look-Ahead Cache FeatureC141-E167 2 - 92.2.2 Caching parametersThe IDD supports the MODE SELECT parameters (caching parameters: page code = 8) sho

Prefaceii C141-E167GlossaryThe glossary explains technical terms which are necessary to the reader's understandingwhen reading this manual.List o

Data Buffer Management2 - 10 C141-E1672.2.3 Look-Ahead operation, Look-Ahead volume1) Excluding the conditions in 3) and 4) for the amount of data spe

2.3 Write CacheC141-E167 2 - 112.3 Write CacheThe IDD is equipped with a write cache function in order to reduce the INIT's command processingtim

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C141-E167 3 - 1CHAPTER 3 Command Specifications3.1 Control/Sense Commands3.2 Data Access Commands3.3 Format Commands3.4 Maintenance, Diagnostic Comma

Command Specifications3 - 2 C141-E1673.1.2 INQUIRY (12) BitByte765432100 X‘12’1 LUN 0 0 0 CmdDt EVPD2 Page Code/Operation Cpde3000000004 Tran

3.1 Control/Sense CommandsC141-E167 3 - 3(1) EVPD (Enable Vital Product Data)a) If the specification in this bits is zero, the IDD transfers the stan

Command Specifications3 - 4 C141-E167 BitByte76 5 4 3 2 10SCSI modeQualifier Device Type Code0(0, 0, 0) or (0, 1, 1) (0, 0, 0, 0, 0) or (1

3.1 Control/Sense CommandsC141-E167 3 - 5a. Qualifier field(0,0,0): The specified logical unit shows the type of input/output device shown in the &qu

Command Specifications3 - 6 C141-E167g. Supported functionsThe bit positions shown below are valid only when the CHANGE DEFINITION command is setso th

3.1 Control/Sense CommandsC141-E167 3 - 7• SCSI-2 mode[Byte 3]- AENC (Asynchronous event notification capability):Asynchronous condition notify funct

PrefaceC141-E167 iiiCONVENTIONS USED INTHIS MANUALNote 1: Model NameMAP3367 NCInterface type NP: Low voltage differential 16-bit SCSI Ultra-320NC: Low

Command Specifications3 - 8 C141-E167k. Device Serial Number fieldThe value following byte 4 of the device serial number in the VPD information is ind

3.1 Control/Sense CommandsC141-E167 3 - 9(6) Command Support DataFigure 3.2 shows the format and contents of the command support data transferred to

Command Specifications3 - 10 C141-E167media. When this is the case, a subsequent request for command support data may besuccessful.c. CDB sizeThis f

3.1 Control/Sense CommandsC141-E167 3 - 11 BitByte765432100 Qualifier Device Type Code1 X‘00’ (Page Code)2 X‘00’3 X‘03’ (Page Length)4 X‘00’

Command Specifications3 - 12 C141-E167The values indicated in the "Qualifier" and "Device Type Code" fields in byte 0 are the same

3.1 Control/Sense CommandsC141-E167 3 - 133.1.3 READ CAPACITY (25) BitByte765432100 X‘25’1 LUN 000002 Logical Block Address (MSB)3 Logical B

Command Specifications3 - 14 C141-E167 BitByte765432100 Logical Block Address (MSB)1 Logical Block Address2 Logical Block Address3 Logical Bl

3.1 Control/Sense CommandsC141-E167 3 - 15This command specifies a different SCSI level in the "SCSI level" field in SCB byte 3. The SCSIl

Command Specifications3 - 16 C141-E167 BitByte765432100 X‘00’1 X‘00’2 X‘00’3 X‘04’ (Parameter Length)4000WDTRUNTAINSDTR RSRTY 05 PHSCRC AGD AC

3.1 Control/Sense CommandsC141-E167 3 - 17* Set at shipping timeb) UNTATN (UNIT ATTENTION report mode)This specifies the response method to command

Prefaceiv C141-E167Related StandardsSpecifications and functions of products covered by this manual comply with the followingstandards.Standard (Text)

Command Specifications3 - 18 C141-E167* Set at shipping time The IDD ignores this specification and operates with the settings specified at

3.1 Control/Sense CommandsC141-E167 3 - 193.1.5 MODE SELECT (15) BitByte765432100 X‘15’1 LUN PF 0 0 0 SP2000000003000000004 Parameter List L

Command Specifications3 - 20 C141-E167If a "Header," "Block Descriptor" or any "Page Descriptor" cannot be transferred w

3.1 Control/Sense CommandsC141-E167 3 - 21Block descriptorPages: 3, 4RemarkWhen the drive is shipped from the factory,there are not parameter page “S

Command Specifications3 - 22 C141-E167If the IDD performs rounding processing ("rounding up" or "rounding down") of parameter valu

3.1 Control/Sense CommandsC141-E167 3 - 23Page Descriptor BitByte765432100 0 0 Page Code1 Page Length2nFigure 3.8 MODE SELECT command (Group

Command Specifications3 - 24 C141-E167If only the "Block descriptor" in this command is changed, the IDD changes the values inthe "Sect

3.1 Control/Sense CommandsC141-E167 3 - 25c. Page descriptorThe "Page descriptor" is configured from a 2-byte page header followed by a par

Command Specifications3 - 26 C141-E1672. After changing anything in the "Block descriptor," "Format parameters (Page 3)" or "

3.1 Control/Sense CommandsC141-E167 3 - 27Figure 3.9 shows the configuration of the parameter list (MODE SELECT parameters)transferred by this command

C141-E167 vProduct/Maintenance Manual1. General Description2. Specifications3. Data Format4. Installation Requirements5. Installation6. Diagnostics

Command Specifications3 - 28 C141-E167Page DescriptorBitByte765432100 0 0 Page Code1 Page Length2nFigure 3.9 MODE SELECT EXTENDED command (Group 2) pa

3.1 Control/Sense CommandsC141-E167 3 - 29Page Code Page Descriptor Name CCS SCSI-2 SCSI-31 Read/Write Error Recovery Parameter 8 bytes 12 bytes 12 b

Command Specifications3 - 30 C141-E167Table 3.1 MODE SENSE Data Type SpecificationsPC Type of Parameter Transferred to the INIT00 Current Values:Repor

3.1 Control/Sense CommandsC141-E167 3 - 31HeaderBitByte765432100 Sense Data Length1 X‘00’ (Media Type)2 WP 0 0 DPOFUA 0 0 0 03 X‘00’ or X‘08’ (Block D

Command Specifications3 - 32 C141-E167(1) Headera. Sense data lengthThis field indicates the length (number of bytes) of the parameter list (MODE SENS

3.1 Control/Sense CommandsC141-E167 3 - 33Furthermore, when this command specifies to transfer the "Default" value and "Variable"

Command Specifications3 - 34 C141-E1673.1.8 MODE SENSE EXTENDED (5A)BitByte765432100X‘5A’1LUN0DBD0002 PC Page Code3 000000004 000000005 000000006 0000

3.1 Control/Sense CommandsC141-E167 3 - 35Block DescriptorBitByte765432100 Data Block Count (MSB)1 Data Block Count2 Data Block Count3 Data Block Coun

Command Specifications3 - 36 C141-E167This command moves the read/write heads of the disk drive to the initial position. A data block withthe logical

3.1 Control/Sense CommandsC141-E167 3 - 37Depending on the value specified in the "Immed (immediate)" bit, bit 0 of CDB byte 1, the timing