Hard Drive Specifications
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... inaccuracies or typographical errors. Such references or information must not be incorporated in new editions of this document does not give you . You can send license inquiries, in writing, to announce such IBM products, programming, or services in your local IBM representative or the following paragraph does not apply to , or information about...
... inaccuracies or typographical errors. Such references or information must not be incorporated in new editions of this document does not give you . You can send license inquiries, in writing, to announce such IBM products, programming, or services in your local IBM representative or the following paragraph does not apply to , or information about...
Hard Drive Specifications
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...Figure 114. Conflict between new and existing PERSISTENT RESERVATION 123 Figure 117. Defect List Header 138 Figure 135. REPORT DEVICE IDENTIFIER parameter list 149 Figure 149. RESERVE (10 153 Figure 154. SEND DIAGNOSTIC 157 Ultrastar 146Z10 hard disk drive specifications xi PERSISTENT RESERVE IN... 139. REZERO UNIT 154 Figure 155. PERSISTENT RESERVE IN Read Reservation Descriptor 118 Figure 112. APTPL and information held by a drive 125 Figure 120. Pre-Fetch 126 Figure 121. Defect List Header 135 Figure 131. Translated address 145 Figure 144. RESERVE (6...
...Figure 114. Conflict between new and existing PERSISTENT RESERVATION 123 Figure 117. Defect List Header 138 Figure 135. REPORT DEVICE IDENTIFIER parameter list 149 Figure 149. RESERVE (10 153 Figure 154. SEND DIAGNOSTIC 157 Ultrastar 146Z10 hard disk drive specifications xi PERSISTENT RESERVE IN... 139. REZERO UNIT 154 Figure 155. PERSISTENT RESERVE IN Read Reservation Descriptor 118 Figure 112. APTPL and information held by a drive 125 Figure 120. Pre-Fetch 126 Figure 121. Defect List Header 135 Figure 131. Translated address 145 Figure 144. RESERVE (6...
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...) is set to one specifies that the G-List (Grown Defect List) existing prior to zero specifies that a Data Out phase follows the Command phase. Ultrastar 146Z10 hard disk drive specifications 51 The primary defect list ("P"List) is discarded. 8.4 FORMAT UNIT (04h) Byte 0 1 2 3 4 5 Bit 7 6 5 4 3 2 1 0 ...this field must also be used and is created at time of the extensive buffering implemented in the drive. D-List becomes the new G-List. The drive supports three defect descriptor formats for the Format Unit command as following: Format Description 000b Block format ...
...) is set to one specifies that the G-List (Grown Defect List) existing prior to zero specifies that a Data Out phase follows the Command phase. Ultrastar 146Z10 hard disk drive specifications 51 The primary defect list ("P"List) is discarded. 8.4 FORMAT UNIT (04h) Byte 0 1 2 3 4 5 Bit 7 6 5 4 3 2 1 0 ...this field must also be used and is created at time of the extensive buffering implemented in the drive. D-List becomes the new G-List. The drive supports three defect descriptor formats for the Format Unit command as following: Format Description 000b Block format ...
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... bytes supported for all the following commands until another MODE SELECT command is necessary to the Page Format. This is issued. Ultrastar 146Z10 hard disk drive specifications 114 MODE SELECT (6) The MODE SELECT (6) command provides a means for all Changeable values (see PCF field in the...new MODE SELECT command is a single set the additional sense code to PARAMETERS CHANGED (2Ah). Note: If an initiator sends a MODE SELECT command that changes any , complies to find out which is maintained over a power cycle or reset of the disk. There is received. 1 The drive...
... bytes supported for all the following commands until another MODE SELECT command is necessary to the Page Format. This is issued. Ultrastar 146Z10 hard disk drive specifications 114 MODE SELECT (6) The MODE SELECT (6) command provides a means for all Changeable values (see PCF field in the...new MODE SELECT command is a single set the additional sense code to PARAMETERS CHANGED (2Ah). Note: If an initiator sends a MODE SELECT command that changes any , complies to find out which is maintained over a power cycle or reset of the disk. There is received. 1 The drive...
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... registered the key is specified, the drive returns a CHECK CONDITION status. When keys are already registered, PERSISTENT RESERVATION OUT command with new key specified in the Service Action Reservation...drive Create a persistent reservation using a reservation key Release a persistent reservation Clear all reservation keys and all persistent reservations Preempt persistent reservations from another initiator and abort the task set to four keys at the same time. Ultrastar 146Z10 hard disk drive specifications 120 8.13.1 Service Action The drive implements service action codes as new...
... registered the key is specified, the drive returns a CHECK CONDITION status. When keys are already registered, PERSISTENT RESERVATION OUT command with new key specified in the Service Action Reservation...drive Create a persistent reservation using a reservation key Release a persistent reservation Clear all reservation keys and all persistent reservations Preempt persistent reservations from another initiator and abort the task set to four keys at the same time. Ultrastar 146Z10 hard disk drive specifications 120 8.13.1 Service Action The drive implements service action codes as new...
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...is cleared even if a reservation for the key is different from the initiator requesting the command, the drive returns RESERVATION CONFLICT status. Ultrastar 146Z10 hard disk drive specifications 121 The sense key is set to ILLEGAL REQUEST and the additional sense data is set to ...RESERVATION PREEMPTED. Preempt and Abort This service action does not conflict with an existing persistent reservation, the drive makes new persistent reservation...
...is cleared even if a reservation for the key is different from the initiator requesting the command, the drive returns RESERVATION CONFLICT status. Ultrastar 146Z10 hard disk drive specifications 121 The sense key is set to ILLEGAL REQUEST and the additional sense data is set to ...RESERVATION PREEMPTED. Preempt and Abort This service action does not conflict with an existing persistent reservation, the drive makes new persistent reservation...
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... Write Exclusive Registrants Only type and Exclusive Access Registrants Only type. Conflict between new and existing PERSISTENT RESERVATION Ultrastar 146Z10 hard disk drive specifications 123 WRITE (6) command and WRITE (10) command ! The drive rejects new PERSISTENT RESERVATION on any key is registered, the drive returns a RESERVATION CONFLICT status. ! RESERVE and RELEASE command If any types and returns...
... Write Exclusive Registrants Only type and Exclusive Access Registrants Only type. Conflict between new and existing PERSISTENT RESERVATION Ultrastar 146Z10 hard disk drive specifications 123 WRITE (6) command and WRITE (10) command ! The drive rejects new PERSISTENT RESERVATION on any key is registered, the drive returns a RESERVATION CONFLICT status. ! RESERVE and RELEASE command If any types and returns...
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If the remainder of the parameter data is not considered an error. Ultrastar 146Z10 hard disk drive specifications 148 This is required, the application client should send a new REPORT DEVICE IDENTIFIER command with an ALLOCATION LENGTH field large enough to contain all the parameter data, the...requests that contains the length in the parameter data. The REPORT DEVICE IDENTIFIER parameter list contains a four-byte field that the drive send device identification information to contain all the data. The ALLOCATION LENGTH field indicates how much space has been reserved for the...
If the remainder of the parameter data is not considered an error. Ultrastar 146Z10 hard disk drive specifications 148 This is required, the application client should send a new REPORT DEVICE IDENTIFIER command with an ALLOCATION LENGTH field large enough to contain all the parameter data, the...requests that contains the length in the parameter data. The REPORT DEVICE IDENTIFIER parameter list contains a four-byte field that the drive send device identification information to contain all the data. The ALLOCATION LENGTH field indicates how much space has been reserved for the...
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...Initiator for which the LUN is reserved. a power off/on occurs. This superseding RESERVE command releases the previous reservation when the new reservation is used to reserve a LUN for the third party as specified by another RESERVE command. If a LUN is reserved ... is returned with a RESERVATION CONFLICT. RESERVE (6) The RESERVE command is granted. a DRIVE RESET message is reserved. Ultrastar 146Z10 hard disk drive specifications 152 The 3rdPty bit of the 3rdPty option. a hard Reset condition occurs. ! The 3rdPty bit of the third party for the initiator which...
...Initiator for which the LUN is reserved. a power off/on occurs. This superseding RESERVE command releases the previous reservation when the new reservation is used to reserve a LUN for the third party as specified by another RESERVE command. If a LUN is reserved ... is returned with a RESERVATION CONFLICT. RESERVE (6) The RESERVE command is granted. a DRIVE RESET message is reserved. Ultrastar 146Z10 hard disk drive specifications 152 The 3rdPty bit of the 3rdPty option. a hard Reset condition occurs. ! The 3rdPty bit of the third party for the initiator which...
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...the Initiator. This reservation can be zero. a TARGET RESET message is issued from any Initiator. ! Reservation queuing is granted. Ultrastar 146Z10 hard disk drive specifications 153 The 3rdPty bit of the 3rdPty option. The Ext bit must be either for the Initiator sending the command or ...for which the LUN is returned with a RESERVATION CONFLICT. This superseding RESERVE command releases the previous reservation when the new ...
...the Initiator. This reservation can be zero. a TARGET RESET message is issued from any Initiator. ! Reservation queuing is granted. Ultrastar 146Z10 hard disk drive specifications 153 The 3rdPty bit of the 3rdPty option. The Ext bit must be either for the Initiator sending the command or ...for which the LUN is returned with a RESERVATION CONFLICT. This superseding RESERVE command releases the previous reservation when the new ...
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... configuration change by development. Note: New code to be downloaded. The drive shall set the sense key to ILLEGAL REQUEST and additional sense code to be downloaded to the control memory space of the drive. This is terminated with the newly downloaded code immediately until the next power cycle. ! Ultrastar 146Z10 hard disk drive specifications 171
... configuration change by development. Note: New code to be downloaded. The drive shall set the sense key to ILLEGAL REQUEST and additional sense code to be downloaded to the control memory space of the drive. This is terminated with the newly downloaded code immediately until the next power cycle. ! Ultrastar 146Z10 hard disk drive specifications 171
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...Target Reset message In addition a SCSI device may leave the data transfer agreement in Figure are received, the drive will continue with the command. Ultrastar 146Z10 hard disk drive specifications 178 If at any condition which may initiate a SDTR message exchange whenever it supports 25 ns transfer ... A SYNCHRONOUS DATA TRANSFER REQUEST (SDTR) message exchange shall be outstanding before all bus signals and goes to negotiate a new data transfer agreement (either synchronous or asynchronous). If ATN is negated before the leading edge of its corresponding ACK pulses is ...
...Target Reset message In addition a SCSI device may leave the data transfer agreement in Figure are received, the drive will continue with the command. Ultrastar 146Z10 hard disk drive specifications 178 If at any condition which may initiate a SDTR message exchange whenever it supports 25 ns transfer ... A SYNCHRONOUS DATA TRANSFER REQUEST (SDTR) message exchange shall be outstanding before all bus signals and goes to negotiate a new data transfer agreement (either synchronous or asynchronous). If ATN is negated before the leading edge of its corresponding ACK pulses is ...
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... MESSAGE PARITY ERROR case the implied data Ultrastar 146Z10 hard disk drive specifications 181 The drive initiates a wide data transfer negotiation if the drive has not negotiated with the Initiator since the last time the drive was Reset (Power-on Reset, SCSI Bus "hard" Reset, or TARGET RESET message) or a new data transfer width agreement is negotiated. Initiator...
... MESSAGE PARITY ERROR case the implied data Ultrastar 146Z10 hard disk drive specifications 181 The drive initiates a wide data transfer negotiation if the drive has not negotiated with the Initiator since the last time the drive was Reset (Power-on Reset, SCSI Bus "hard" Reset, or TARGET RESET message) or a new data transfer width agreement is negotiated. Initiator...
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... ATN signal, the drive changes to transmission of the last byte of the WIDE DATA TRANSFER REQUEST message. Ultrastar 146Z10 hard disk drive specifications 182 For any other message the drive completes negotiation and goes... to the negotiated data transfer width. 10.1.3.2 Transfer Width Negotiation started ) ATN is asserted prior to the MESSAGE OUT phase and receives a message from the Initiator is a WIDE DATA TRANSFER REQUEST message, the Target establishes the new...
... ATN signal, the drive changes to transmission of the last byte of the WIDE DATA TRANSFER REQUEST message. Ultrastar 146Z10 hard disk drive specifications 182 For any other message the drive completes negotiation and goes... to the negotiated data transfer width. 10.1.3.2 Transfer Width Negotiation started ) ATN is asserted prior to the MESSAGE OUT phase and receives a message from the Initiator is a WIDE DATA TRANSFER REQUEST message, the Target establishes the new...
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... in order to distinguish the IDENTIFY message from other messages. Bits 5-0 These bits specify the logical unit number (LUN). If the drive receives an IDENTIFY message with this command. 10.1.19 IGNORE WIDE RESIDUE (2301h) Byte Value 0 23H 1 01H Description Ignore Wide Residue...18.2 HEAD OF QUEUE (21xxh) Commands with a new LUN after the LUN had previously been identified, the drive will go to the BUS FREE phase to signal a catastrophic error. Only one selection sequence. Ultrastar 146Z10 hard disk drive specifications 188 This tagged command will wait until the previous...
... in order to distinguish the IDENTIFY message from other messages. Bits 5-0 These bits specify the logical unit number (LUN). If the drive receives an IDENTIFY message with this command. 10.1.19 IGNORE WIDE RESIDUE (2301h) Byte Value 0 23H 1 01H Description Ignore Wide Residue...18.2 HEAD OF QUEUE (21xxh) Commands with a new LUN after the LUN had previously been identified, the drive will go to the BUS FREE phase to signal a catastrophic error. Only one selection sequence. Ultrastar 146Z10 hard disk drive specifications 188 This tagged command will wait until the previous...
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... time except during a SELECTION phase and before the drive sends another message. Ultrastar 146Z10 hard disk drive specifications 190 10.3 Attention Condition The attention condition allows an initiator to inform the drive that the attention condition will be honored before transition to a new bus phase. This will guarantee a predictable drive response to a message received during the COMMAND...
... time except during a SELECTION phase and before the drive sends another message. Ultrastar 146Z10 hard disk drive specifications 190 10.3 Attention Condition The attention condition allows an initiator to inform the drive that the attention condition will be honored before transition to a new bus phase. This will guarantee a predictable drive response to a message received during the COMMAND...
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...COMMAND, and the additional sense code is specified in the message sequence following conditions occur: ! If any active I/O processes, a new I /O process (either queued or active) with an I_T_L_Q nexus already exists from a previous connection with Sense Key set to...to issue multiple IDENTIFY messages during execution of these result in a different response. 1.1.1 .1 Case 1 - Ultrastar 146Z10 hard disk drive specifications 194 Note: It is altered, the drive goes to OVERLAPPED COMMANDS ATTEMPTED. See 11.1.3, "Incorrect Initiator Connection." ! In response to an invalid LUN...
...COMMAND, and the additional sense code is specified in the message sequence following conditions occur: ! If any active I/O processes, a new I /O process (either queued or active) with an I_T_L_Q nexus already exists from a previous connection with Sense Key set to...to issue multiple IDENTIFY messages during execution of these result in a different response. 1.1.1 .1 Case 1 - Ultrastar 146Z10 hard disk drive specifications 194 Note: It is altered, the drive goes to OVERLAPPED COMMANDS ATTEMPTED. See 11.1.3, "Incorrect Initiator Connection." ! In response to an invalid LUN...
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... Response Executed. The Initiator to receive the reservation, all commands are permitted. 2. If the logical unit is reserved when a new command is permitted. ! A RELEASE command is permitted but is returned. CHECK CONDITION is returned with START bit is received, ...Figure 197. Success: GOOD Status is ignored ! Other Commands Not Executed. Any other command results in a RESERVATION CONFLICT Status Ultrastar 146Z10 hard disk drive specifications 203 This information is NOT cleared. Failure: CHECK CONDITION Status is returned and Format Degraded Mode is needed to determine...
... Response Executed. The Initiator to receive the reservation, all commands are permitted. 2. If the logical unit is reserved when a new command is permitted. ! A RELEASE command is permitted but is returned. CHECK CONDITION is returned with START bit is received, ...Figure 197. Success: GOOD Status is ignored ! Other Commands Not Executed. Any other command results in a RESERVATION CONFLICT Status Ultrastar 146Z10 hard disk drive specifications 203 This information is NOT cleared. Failure: CHECK CONDITION Status is returned and Format Degraded Mode is needed to determine...