Specifications
Page 6
... abbreviations used . Acronyms and Abbreviations This list shows the full spelling of the SCSI interface used to connect the disk drive to the host system and its capacity and data format at the time it was shipped, but in this manual, except in cases where models need to the reader's understanding when reading this manual. Preface Glossary The glossary explains technical terms which are called Intelligent Disk Drive (IDD), "drive" or "device...
... abbreviations used . Acronyms and Abbreviations This list shows the full spelling of the SCSI interface used to connect the disk drive to the host system and its capacity and data format at the time it was shipped, but in this manual, except in cases where models need to the reader's understanding when reading this manual. Preface Glossary The glossary explains technical terms which are called Intelligent Disk Drive (IDD), "drive" or "device...
Specifications
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... of SCSI Bus Error Recovery Processing 1-27 Outline of disk drive error recovery processing 1-27 Reset processing during write...1-29 Table 3.1 Table 3.2 Table 3.3 Table 3.4 Table 3.5 Table 3.6 MODE SENSE Data Type Specifications 3-33 Persistent reservation type codes...3-61 PERSISTENT RESERVE OUT command service action codes 3-64 PERSISTENT RESERVE OUT service actions and valid parameters 3-66 FORMAT UNIT command defect processing 3-89 Error recovery control flags during the self-diagnosis test 3-101 Table 4.1 Table 4.2 Table 4.3 Combinations of error recovery flags...
... of SCSI Bus Error Recovery Processing 1-27 Outline of disk drive error recovery processing 1-27 Reset processing during write...1-29 Table 3.1 Table 3.2 Table 3.3 Table 3.4 Table 3.5 Table 3.6 MODE SENSE Data Type Specifications 3-33 Persistent reservation type codes...3-61 PERSISTENT RESERVE OUT command service action codes 3-64 PERSISTENT RESERVE OUT service actions and valid parameters 3-66 FORMAT UNIT command defect processing 3-89 Error recovery control flags during the self-diagnosis test 3-101 Table 4.1 Table 4.2 Table 4.3 Combinations of error recovery flags...
Specifications
Page 48
... consists of several cylinders (see Figure 1.5). Alternate cylinders for error recovery methods by the INIT, see "Disk Media Management" in the user space as if they were error free. A spare sector area (alternate area) for use as alternate sectors for defective sectors on the disk media through internal IDD defect management. Alternate data blocks are the same and it is allocated in the "Product Manual." For an...
... consists of several cylinders (see Figure 1.5). Alternate cylinders for error recovery methods by the INIT, see "Disk Media Management" in the user space as if they were error free. A spare sector area (alternate area) for use as alternate sectors for defective sectors on the disk media through internal IDD defect management. Alternate data blocks are the same and it is allocated in the "Product Manual." For an...
Specifications
Page 68
EncServ (Enclosure service): Enclosure service [0] - Linked (Linked command): Command link function [1] - TranDis (Transfer disable): Continue task and target transfer disable message [0] - NORMACA (Normal ACA supported): ACA support [0] - RelAdr (Relative addressing): Relative logical block addressing [0] - Sync (Synchronous data transfer): Data transfer on a 2-byte bus [0/1] - When the CHANGE DEFINITION command is not set so that SCSI-2 mode INQUIRY data are shown in all types of task tags supported 0 Basic task set so that function is displayed in ...
EncServ (Enclosure service): Enclosure service [0] - Linked (Linked command): Command link function [1] - TranDis (Transfer disable): Continue task and target transfer disable message [0] - NORMACA (Normal ACA supported): ACA support [0] - RelAdr (Relative addressing): Relative logical block addressing [0] - Sync (Synchronous data transfer): Data transfer on a 2-byte bus [0/1] - When the CHANGE DEFINITION command is not set so that SCSI-2 mode INQUIRY data are shown in all types of task tags supported 0 Basic task set so that function is displayed in ...
Specifications
Page 72
... implements command support data but not vital product data is: 12h, 02h, FFh, 00h, FFh, 01h. (7) VPD information When "1" is specified in the "EVPD" bits of the "CDB Usage Data" field in the return data. If the device server ignores or treats as all have a one-for-one in CBD [=24-00]). The INIT specifies the type of supported VPD information Device serial number Operation mode Furthermore...
... implements command support data but not vital product data is: 12h, 02h, FFh, 00h, FFh, 01h. (7) VPD information When "1" is specified in the "EVPD" bits of the "CDB Usage Data" field in the return data. If the device server ignores or treats as all have a one-for-one in CBD [=24-00]). The INIT specifies the type of supported VPD information Device serial number Operation mode Furthermore...
Specifications
Page 79
... not reported.) * Set at shipping time d) RSRTY (reselection retry) This specifies the number of a BUS DEVICE RESET message, if a SYNCHRONOUS DATA TRANSFER REQUEST (SDTR) message is not sent by the INIT, the IDD sends the SDTR message and attempts to establish synchronous mode data transfer. "0" (No Report): The IDD terminates all transfer is terminated or before the phase during data transfer changes other than...
... not reported.) * Set at shipping time d) RSRTY (reselection retry) This specifies the number of a BUS DEVICE RESET message, if a SYNCHRONOUS DATA TRANSFER REQUEST (SDTR) message is not sent by the INIT, the IDD sends the SDTR message and attempts to establish synchronous mode data transfer. "0" (No Report): The IDD terminates all transfer is terminated or before the phase during data transfer changes other than...
Specifications
Page 80
... in this specification and operates with the settings specified at shipping time The IDD ignores this specification and operates with a setting terminal. 3-18 C141-C010 This parameter is enabled only when set in the "Auto Motor Start Mode" with the settings specified at shipping time The IDD ignores this parameter) x (IDD's SCSI ID x 0.1)] seconds from the power is permitted to check AIP (Asynchronous Information Protection). Command Specifications f) AGD (AIP...
... in this specification and operates with the settings specified at shipping time The IDD ignores this specification and operates with a setting terminal. 3-18 C141-C010 This parameter is enabled only when set in the "Auto Motor Start Mode" with the settings specified at shipping time The IDD ignores this parameter) x (IDD's SCSI ID x 0.1)] seconds from the power is permitted to check AIP (Asynchronous Information Protection). Command Specifications f) AGD (AIP...
Specifications
Page 92
... descriptor" to the INIT. Command Specifications 3.1.7 MODE SENSE (1A) 0 1 2 Byte 3 4 5 7 6 LUN PC 0 0 Bit 5 4 3 2 X '1A' 0 DBD 0 Page Code Sub Page Code Transfer Byte Length 0 0 0 0 1 0 0 0 0 Link This command reports the values for each type of parameter related to the disk drive's physical attributes, data format, timing for SCSI bus disconnect and reconnect processing, error recovery procedures, etc., as well as the attributes of "Page descriptor" supported by the IDD and...
... descriptor" to the INIT. Command Specifications 3.1.7 MODE SENSE (1A) 0 1 2 Byte 3 4 5 7 6 LUN PC 0 0 Bit 5 4 3 2 X '1A' 0 DBD 0 Page Code Sub Page Code Transfer Byte Length 0 0 0 0 1 0 0 0 0 Link This command reports the values for each type of parameter related to the disk drive's physical attributes, data format, timing for SCSI bus disconnect and reconnect processing, error recovery procedures, etc., as well as the attributes of "Page descriptor" supported by the IDD and...
Specifications
Page 98
... not include the number of a write operation can be specified through the setting terminal (write protect) on the disk media. When this value. a. e. Command Specifications (1) Header a. When "1" is reported in this field for the INIT to transfer the "Default" value and "Variable" value, the value shown in the command has been transferred, it indicates that the IDD does not support the DPO and...
... not include the number of a write operation can be specified through the setting terminal (write protect) on the disk media. When this value. a. e. Command Specifications (1) Header a. When "1" is reported in this field for the INIT to transfer the "Default" value and "Variable" value, the value shown in the command has been transferred, it indicates that the IDD does not support the DPO and...
Specifications
Page 122
... read operations. The first paragraph describes the handling required for write operations. 3-60 C141-C010 Table 3.2 shows the code value for each Type and requirements for four Type values. All of the drives supporting PERSISTENT RESERVE OUT are explained in the "Scope-specific Address" field on the PERSISTENT RESERVE OUT parameter list. Table 3.2 shows attributes for the supporting drive. The requirements for the supporting drive...
... read operations. The first paragraph describes the handling required for write operations. 3-60 C141-C010 Table 3.2 shows the code value for each Type and requirements for four Type values. All of the drives supporting PERSISTENT RESERVE OUT are explained in the "Scope-specific Address" field on the PERSISTENT RESERVE OUT parameter list. Table 3.2 shows attributes for the supporting drive. The requirements for the supporting drive...
Specifications
Page 133
... the data buffer, then transfers those data to a track boundary, cylinder boundary or zone boundary, a head switch or cylinder switch is performed. See Chapter 2, "Data Buffer Management," concerning details of data from the disk media is instructed by the MODE SELECT parameter. If retry processing and data correction processing are to be specified by this command is completed normally, or when it specifies the number of multiple data...
... the data buffer, then transfers those data to a track boundary, cylinder boundary or zone boundary, a head switch or cylinder switch is performed. See Chapter 2, "Data Buffer Management," concerning details of data from the disk media is instructed by the MODE SELECT parameter. If retry processing and data correction processing are to be specified by this command is completed normally, or when it specifies the number of multiple data...
Specifications
Page 135
...]) and writing of data to a maximum of 256 logical data blocks. When transfer of multiple data blocks is instructed by the MODE SELECT parameter (buffer empty ratio). The IDD does not perform data transfer immediately after receiving the CDB, but after performing automatic disconnect processing once, it specifies the number of logical data blocks that command is terminated with the logical data block on the disk media specified...
...]) and writing of data to a maximum of 256 logical data blocks. When transfer of multiple data blocks is instructed by the MODE SELECT parameter (buffer empty ratio). The IDD does not perform data transfer immediately after receiving the CDB, but after performing automatic disconnect processing once, it specifies the number of logical data blocks that command is terminated with the logical data block on the disk media specified...
Specifications
Page 162
... the Fujitsu representative.) Furthermore, error recovery processing when diagnostic tests (seek tests and write/read/data comparison tests) related to the detected error is shown in the IDD, there is the code in the range X '80' to be executed through the "UnitOfl (unit off -line)" bit specifies whether or not operations which have no meaning and the specified value is reported and information related to the disk drive...
... the Fujitsu representative.) Furthermore, error recovery processing when diagnostic tests (seek tests and write/read/data comparison tests) related to the detected error is shown in the IDD, there is the code in the range X '80' to be executed through the "UnitOfl (unit off -line)" bit specifies whether or not operations which have no meaning and the specified value is reported and information related to the disk drive...
Specifications
Page 199
The IDD ignores the specification for the MODE SENSE and MODE SENSE EXTENDED commands. The maximum permissible value of this parameter either the "number of physical sectors per one cell as the number of spare sectors secured for alternate blocks as alternate cells. If the above rounding processing is performed, a CHECK CONDITION status (RECOVERED ERROR [= 1] / Rounded parameter [37-00] is smaller. In the IDD...
The IDD ignores the specification for the MODE SENSE and MODE SENSE EXTENDED commands. The maximum permissible value of this parameter either the "number of physical sectors per one cell as the number of spare sectors secured for alternate blocks as alternate cells. If the above rounding processing is performed, a CHECK CONDITION status (RECOVERED ERROR [= 1] / Rounded parameter [37-00] is smaller. In the IDD...
Specifications
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... and sets max value. Cache segment count This parameter specifies the number of Host command. "0" : If the IDD writes multiple blocks, this bit. The IDD disregards the specification in this indicates that the device server not read logical blocks into the buffer any initiator, a UNIT ATTENTION condition (UNIT ATTENTION [=6] / Mode select parameter changed [=2A-01]) is changed by the IDD. That is, the Cache Segment size is...
... and sets max value. Cache segment count This parameter specifies the number of Host command. "0" : If the IDD writes multiple blocks, this bit. The IDD disregards the specification in this indicates that the device server not read logical blocks into the buffer any initiator, a UNIT ATTENTION condition (UNIT ATTENTION [=6] / Mode select parameter changed [=2A-01]) is changed by the IDD. That is, the Cache Segment size is...
Specifications
Page 219
... specific ------ C141-C010 4-35 b. If an invalid page length is specified, the Mode Select command terminates with the CHECK CONDITION status (ILLEGAL REQUEST [=5] / Invalid Field in Parameter List [=26/00]), and all subpages for each subpage code. Margin control subpage Supported Saved training configuration value subpage Supported Negotiated setting subpage Supported Report transfer capabilities subpage Supported Reserved ------ If X'00' is specified for the subpage code...
... specific ------ C141-C010 4-35 b. If an invalid page length is specified, the Mode Select command terminates with the CHECK CONDITION status (ILLEGAL REQUEST [=5] / Invalid Field in Parameter List [=26/00]), and all subpages for each subpage code. Margin control subpage Supported Saved training configuration value subpage Supported Negotiated setting subpage Supported Report transfer capabilities subpage Supported Reserved ------ If X'00' is specified for the subpage code...
Specifications
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... MODE SELECT parameters: informational exception control This page specifies whether the drive failure prediction function is enabled or disabled and the reporting method when a drive failure is one creates a false device failure at the next interval time, if the DExcpt bit is set to INVALID FIELD IN PARAMETER LIST [=2600]. When the Test bit is predicted. C141-C010 4-43 4.1 Mode Parameters 4.1.10 Informational exceptions control page (page code = 1C) The page descriptor format...
... MODE SELECT parameters: informational exception control This page specifies whether the drive failure prediction function is enabled or disabled and the reporting method when a drive failure is one creates a false device failure at the next interval time, if the DExcpt bit is set to INVALID FIELD IN PARAMETER LIST [=2600]. When the Test bit is predicted. C141-C010 4-43 4.1 Mode Parameters 4.1.10 Informational exceptions control page (page code = 1C) The page descriptor format...
Specifications
Page 281
... If a WRITE command has the same LBA in the log, then data will be written to the number of times specified in the "Number of the data is enabled by specifying "1" in the AWRE flag in the DCR flag, ECC correction processing is prohibited, so even if "1" is permitted, if, during Read" parameter. 5.3 Disk Drive Error Recovery Processing Remark: 1. When "1" is specified in the MODE SELECT parameters. If...
... If a WRITE command has the same LBA in the log, then data will be written to the number of times specified in the "Number of the data is enabled by specifying "1" in the AWRE flag in the DCR flag, ECC correction processing is prohibited, so even if "1" is permitted, if, during Read" parameter. 5.3 Disk Drive Error Recovery Processing Remark: 1. When "1" is specified in the MODE SELECT parameters. If...
Specifications
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... Cache, • the sectors which will be specified. Remark: 1. If a value smaller than the default value is disabled. 5.3.3 Error recovery processing control The INIT can, by specifying the MODE SELECT parameters, can control the error recovery processing (retries) of the IDD with respect to each parameter. The MODE SELECT parameters related to the disk drive. Read/Write Error Recovery Parameters (Page Code = 1) • AWRE (automatic write reallocation enabled) • ARRE (automatic read (See Table 5.5) • Number of error related to disk drive error recovery...
... Cache, • the sectors which will be specified. Remark: 1. If a value smaller than the default value is disabled. 5.3.3 Error recovery processing control The INIT can, by specifying the MODE SELECT parameters, can control the error recovery processing (retries) of the IDD with respect to each parameter. The MODE SELECT parameters related to the disk drive. Read/Write Error Recovery Parameters (Page Code = 1) • AWRE (automatic write reallocation enabled) • ARRE (automatic read (See Table 5.5) • Number of error related to disk drive error recovery...
Specifications
Page 300
..., 3-86 data access command 3-71 data block addressing 1-30 count 3-24 length 3-24 verification method 6-6 data block count 3-36 data block length 3-37 data buffer 2-1 configuration 2-2 configuration and basic operation 2-1 IN-2 management 2-1 data byte length/physical sector 4-16 data defect list 3-82 data only, with address specification 3-112, 3-117 data overrun 4-51 data space configuration 1-31 data strobe offset count 4-5 data transfer disconnect control 4-12 data underrun 4-51 data which is object of caching 2-7 date of...
..., 3-86 data access command 3-71 data block addressing 1-30 count 3-24 length 3-24 verification method 6-6 data block count 3-36 data block length 3-37 data buffer 2-1 configuration 2-2 configuration and basic operation 2-1 IN-2 management 2-1 data byte length/physical sector 4-16 data defect list 3-82 data only, with address specification 3-112, 3-117 data overrun 4-51 data space configuration 1-31 data strobe offset count 4-5 data transfer disconnect control 4-12 data underrun 4-51 data which is object of caching 2-7 date of...