Cheetah 15K.4 FC Product Manual
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...6.4.4 Shock and vibration 33 6.4.5 Air cleanliness 36 6.4.6 Corrosive environment 36 6.4.7 Acoustics 37 6.4.8 Electromagnetic susceptibility 37 6.5 Mechanical specifications 38 7.0 Defect and error management 39 7.1 Drive internal defects/errors 39 7.2 Drive error recovery procedures 39 7.3 FC-AL system...Channel fabric accept login 52 9.1.10 Fibre Channel Arbitrated Loop options 53 9.2 Dual port support 53 9.3 SCSI commands supported 54 9.3.1 Inquiry data 58 9.3.2 Mode Sense data 58 9.4 Miscellaneous operating features and conditions...71 ii Cheetah 15K.4 FC Product Manual, Rev.
...6.4.4 Shock and vibration 33 6.4.5 Air cleanliness 36 6.4.6 Corrosive environment 36 6.4.7 Acoustics 37 6.4.8 Electromagnetic susceptibility 37 6.5 Mechanical specifications 38 7.0 Defect and error management 39 7.1 Drive internal defects/errors 39 7.2 Drive error recovery procedures 39 7.3 FC-AL system...Channel fabric accept login 52 9.1.10 Fibre Channel Arbitrated Loop options 53 9.2 Dual port support 53 9.3 SCSI commands supported 54 9.3.1 Inquiry data 58 9.3.2 Mode Sense data 58 9.4 Miscellaneous operating features and conditions...71 ii Cheetah 15K.4 FC Product Manual, Rev.
Cheetah 15K.4 FC Product Manual
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Figure 1. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® 15K.4 FC (Fibre Channel) disc drives. Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev. C 1 The Fibre Channel Interface Manual (part number 77767496) describes the general Fibre Channel Arbitrated Loop characteristics of this manual. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifications to the extent described in this and other Seagate Fibre Channel drives.
Figure 1. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® 15K.4 FC (Fibre Channel) disc drives. Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev. C 1 The Fibre Channel Interface Manual (part number 77767496) describes the general Fibre Channel Arbitrated Loop characteristics of this manual. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifications to the extent described in this and other Seagate Fibre Channel drives.
Cheetah 15K.4 FC Product Manual
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Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Protocol as described in the ANSI specifications, this document, and the Fibre Channel... the head load process begins when power is removed from movement during shipping and handling. Cheetah 15K.4 FC drives also support 2-Gbit Fibre Channel which describes the general interface characteristics of this requires special facilities. 3.0 General description Cheetah 15K.4 FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics,...
Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Protocol as described in the ANSI specifications, this document, and the Fibre Channel... the head load process begins when power is removed from movement during shipping and handling. Cheetah 15K.4 FC drives also support 2-Gbit Fibre Channel which describes the general interface characteristics of this requires special facilities. 3.0 General description Cheetah 15K.4 FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics,...
Cheetah 15K.4 FC Product Manual
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... size must be divisable by 8. • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev. 3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface. For 2 gigabit operation, the block size must...
... size must be divisable by 8. • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev. 3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface. For 2 gigabit operation, the block size must...
Cheetah 15K.4 FC Product Manual
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...absolute maximum capacity potential, but the excess capacity above . See the Mode Select Parameter List table in the number of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; To provide a stable target capacity environment and at format time....279,041,740 275,154,368 Hex 11177330 10CFC0D0 10BC84A8 10A1D6CC 106685C0 2. Seagate designs specify capacity points at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. Seagate drives also may modify the data block size before issuing a format command and...
...absolute maximum capacity potential, but the excess capacity above . See the Mode Select Parameter List table in the number of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; To provide a stable target capacity environment and at format time....279,041,740 275,154,368 Hex 11177330 10CFC0D0 10BC84A8 10A1D6CC 106685C0 2. Seagate designs specify capacity points at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. Seagate drives also may modify the data block size before issuing a format command and...
Cheetah 15K.4 FC Product Manual
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...of byte 2 of the segment. Default is always reported regardless of the actual size of the Mode Select parameters page 08h. The drive supports operation of segments to 1 in the buffer segments for the requested read data, but only as circular buffer segments during disc medium read... then from there to the host in accordance with a read command is received and the first logical block is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. That is written. The wrap-around capability of the individual segments greatly enhances the cache's overall performance, allowing...
...of byte 2 of the segment. Default is always reported regardless of the actual size of the Mode Select parameters page 08h. The drive supports operation of segments to 1 in the buffer segments for the requested read data, but only as circular buffer segments during disc medium read... then from there to the host in accordance with a read command is received and the first logical block is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. That is written. The wrap-around capability of the individual segments greatly enhances the cache's overall performance, allowing...
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... Limit bytes in the Error Recovery mode page. The error recovery scheme supported by the read and write retry counts. Defect and error management in the SCSI protocol involves the drive internal defect/error management and FC-AL system error considerations (errors in video...recoveries and five levels for a single LBA can be referenced by the drive are not dependent upon use in error recovery for a single LBA. The drive implements selectable error recovery time limits required in communications between the initiator and the drive). Cheetah 15K.4 FC Product Manual, Rev.
... Limit bytes in the Error Recovery mode page. The error recovery scheme supported by the read and write retry counts. Defect and error management in the SCSI protocol involves the drive internal defect/error management and FC-AL system error considerations (errors in video...recoveries and five levels for a single LBA can be referenced by the drive are not dependent upon use in error recovery for a single LBA. The drive implements selectable error recovery time limits required in communications between the initiator and the drive). Cheetah 15K.4 FC Product Manual, Rev.
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... FC-AL features This section lists the Fibre Channel-specific features supported by Cheetah 15K.4 FC drives. 9.1.1 Fibre Channel link service frames Table 4 lists the link services supported by Cheetah 15K.4 FC drives. Table 4: Link services supported Type of frame Basic link service frames Basic link service reply ... Discovery (ADISC) Third-party Process Logout (TRPLO) Accept (ACC) Link Service Reject (LS_RJT) Register FC-4 Types (RFT_ID) Cheetah 15K.4 FC Product Manual, Rev. 9.0 Interface requirements This section partially describes the interface requirements as implemented on...
... FC-AL features This section lists the Fibre Channel-specific features supported by Cheetah 15K.4 FC drives. 9.1.1 Fibre Channel link service frames Table 4 lists the link services supported by Cheetah 15K.4 FC drives. Table 4: Link services supported Type of frame Basic link service frames Basic link service reply ... Discovery (ADISC) Third-party Process Logout (TRPLO) Accept (ACC) Link Service Reject (LS_RJT) Register FC-4 Types (RFT_ID) Cheetah 15K.4 FC Product Manual, Rev. 9.0 Interface requirements This section partially describes the interface requirements as implemented on...
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...ACA Target reset Clear task set Abort task set Supported No Yes Yes Yes Yes 9.1.3 Fibre Channel task management responses Table 6 lists the FC SCSI FCP response codes returned for task management functions supported. 9.1.2 Fibre Channel task management functions Table 5 lists... the Fibre Channel SCSI Fibre Channel Protocol (FC SCSI FCP) task management functions supported. Table 6: FC SCSI FCP response codes Function name Function complete Function not supported Function reject Response code 00 04 05 48 Cheetah...
...ACA Target reset Clear task set Abort task set Supported No Yes Yes Yes Yes 9.1.3 Fibre Channel task management responses Table 6 lists the FC SCSI FCP response codes returned for task management functions supported. 9.1.2 Fibre Channel task management functions Table 5 lists... the Fibre Channel SCSI Fibre Channel Protocol (FC SCSI FCP) task management functions supported. Table 6: FC SCSI FCP response codes Function name Function complete Function not supported Function reject Response code 00 04 05 48 Cheetah...
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...15 16-31 32-35 36-47 48-51 52-63...a multiple of four bytes. NN Node name. SO Service options Class 3 only. Cheetah 15K.4 FC Product Manual, Rev. CF Common features. For multiple frame sequences, all...Intermix x Stacked connection req. This binary field selects the common features requested by the drive. The FS field in the Class 3 parameters is not checked. The node name ...increasing offset Must = 1 Random relative offset Not checked. Port Login Accept will return a 0-not supported. Valid version level x N_Port/F_Port Must = 0, N_Port Alternate credit model Must = 1 Other...
...15 16-31 32-35 36-47 48-51 52-63...a multiple of four bytes. NN Node name. SO Service options Class 3 only. Cheetah 15K.4 FC Product Manual, Rev. CF Common features. For multiple frame sequences, all...Intermix x Stacked connection req. This binary field selects the common features requested by the drive. The FS field in the Class 3 parameters is not checked. The node name ...increasing offset Must = 1 Random relative offset Not checked. Port Login Accept will return a 0-not supported. Valid version level x N_Port/F_Port Must = 0, N_Port Alternate credit model Must = 1 Other...
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...Arbitrated Loop options Table 13 lists the FC-AL options supported by Cheetah 15K.4 FC drives. Port A and Port B may be connected in their product manuals. When a Cheetah 15K.4 FC drive is connected in loops with previous Seagate FC drive products: Barracuda 4LP FC (ST32171FC, ST34371FC, and ...the same loop and hard addressing is selected through the interface connector, both ports will seek the same loop address. Accepted from another device. Subject to buffer availability, the Cheetah 15K.4 FC drives support: • Concurrent port transfers-The drive supports receiving transfers on ...
...Arbitrated Loop options Table 13 lists the FC-AL options supported by Cheetah 15K.4 FC drives. Port A and Port B may be connected in their product manuals. When a Cheetah 15K.4 FC drive is connected in loops with previous Seagate FC drive products: Barracuda 4LP FC (ST32171FC, ST34371FC, and ...the same loop and hard addressing is selected through the interface connector, both ports will seek the same loop address. Accepted from another device. Subject to buffer availability, the Cheetah 15K.4 FC drives support: • Concurrent port transfers-The drive supports receiving transfers on ...
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...control (page 02h) Y Format page (03h) Y Rigid disc drive geometry page (04h) 54 Cheetah 15K.4 FC Product Manual, Rev. 9.3 SCSI commands supported Table 14 lists the SCSI commands supported by Cheetah 15K.4 FC drives. Table 14: Supported commands Command code 00h 01h 03h 04h 07h 08h 0Ah 0Bh 12h... 15h 16h 17h 18h 1Ah Supported [4] Command name Y Test unit ready Y Rezero unit ...
...control (page 02h) Y Format page (03h) Y Rigid disc drive geometry page (04h) 54 Cheetah 15K.4 FC Product Manual, Rev. 9.3 SCSI commands supported Table 14 lists the SCSI commands supported by Cheetah 15K.4 FC drives. Table 14: Supported commands Command code 00h 01h 03h 04h 07h 08h 0Ah 0Bh 12h... 15h 16h 17h 18h 1Ah Supported [4] Command name Y Test unit ready Y Rezero unit ...
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...19h) Y Power control page (1Ah) Y Information exceptions control page (1Ch) Y Start unit/stop unit Y Receive diagnostic results Y Supported diagnostics pages Y Translate page Y Enclosure services page Y Send diagnostics page Y Supported diagnostics pages Y Translate page Y Read capacity Y Read extended Y Disable page out Y Force unit access N Relative address Y Write ...check N Relative address Y Verify Y Disable page out Y Byte check N Relative address N Search data high N Search data equal N Search data low Cheetah 15K.4 FC Product Manual, Rev.
...19h) Y Power control page (1Ah) Y Information exceptions control page (1Ch) Y Start unit/stop unit Y Receive diagnostic results Y Supported diagnostics pages Y Translate page Y Enclosure services page Y Send diagnostics page Y Supported diagnostics pages Y Translate page Y Read capacity Y Read extended Y Disable page out Y Force unit access N Relative address Y Write ...check N Relative address Y Verify Y Disable page out Y Byte check N Relative address N Search data high N Search data equal N Search data low Cheetah 15K.4 FC Product Manual, Rev.
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... (continued) Command code 33h 34h 35h 36h 37h 39h 3Ah 3Bh 3Ch 3Eh 3Fh 40h 41h 42-4Bh 4Ch 4Dh Supported [4] Command name N Set limits N Prefetch Y Synchronize cache N Lock-unlock-cache Y Read defect data N Compare N Copy and verify Y Write ...mode (2) Y Read descriptor mode (3) Y Read long Y Write long N Change definition Y Write same N PBdata N LBdata N Not used Y Log Select Y Log Sense Y Support Log page (00h) Y Write Error Counter page (02h) Y Read Error Counter page (03h) N Read Reverse Error Counter page (04h) Y Verify Error Counter page (05h)...
... (continued) Command code 33h 34h 35h 36h 37h 39h 3Ah 3Bh 3Ch 3Eh 3Fh 40h 41h 42-4Bh 4Ch 4Dh Supported [4] Command name N Set limits N Prefetch Y Synchronize cache N Lock-unlock-cache Y Read defect data N Compare N Copy and verify Y Write ...mode (2) Y Read descriptor mode (3) Y Read long Y Write long N Change definition Y Write same N PBdata N LBdata N Not used Y Log Select Y Log Sense Y Support Log page (00h) Y Write Error Counter page (02h) Y Read Error Counter page (03h) N Read Reverse Error Counter page (04h) Y Verify Error Counter page (05h)...
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Cheetah 15K.4 FC Product Manual, Rev. C 57 N = No. A = Support is not supported. Command is available on special request. Command is supported. This usually makes the drive inoperable. [3] Reference Mode Sense command 1Ah for mode pages supported. [4] Y = Yes. Table 14: Supported commands (continued) ... N Not used N XD write extended N Rebuild N Regenerate N Not used Y Report LUNS N Not used N Not used [1] Cheetah 15K.4 FC drives can result in the range 512 to 704 bytes. [2] Warning. Power loss during flash programming can format to any multiple of four ...
Cheetah 15K.4 FC Product Manual, Rev. C 57 N = No. A = Support is not supported. Command is available on special request. Command is supported. This usually makes the drive inoperable. [3] Reference Mode Sense command 1Ah for mode pages supported. [4] Y = Yes. Table 14: Supported commands (continued) ... N Not used N XD write extended N Rebuild N Regenerate N Not used Y Report LUNS N Not used N Not used [1] Cheetah 15K.4 FC drives can result in the range 512 to 704 bytes. [2] Warning. Power loss during flash programming can format to any multiple of four ...
Cheetah 15K.4 FC Product Manual
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...operation Segmented caching Zero latency read Queue tagging (up to 128 queue tags supported) Deferred error handling Parameter rounding (controlled by Round bit in Mode Select ...caching SMP = 1 in the support column indicates the feature or condition is not supported. An "N" in the support column indicates the feature or condition is supported. 9.4 Miscellaneous operating features and conditions...A "Y" in Mode Select command needed to save RPL and rotational offset bytes Table 20: Miscellaneous status Supported Y Y Y Y Y Y Y Y Y Y Status Good Check condition Condition met/good Busy ...
...operation Segmented caching Zero latency read Queue tagging (up to 128 queue tags supported) Deferred error handling Parameter rounding (controlled by Round bit in Mode Select ...caching SMP = 1 in the support column indicates the feature or condition is not supported. An "N" in the support column indicates the feature or condition is supported. 9.4 Miscellaneous operating features and conditions...A "Y" in Mode Select command needed to save RPL and rotational offset bytes Table 20: Miscellaneous status Supported Y Y Y Y Y Y Y Y Y Y Status Good Check condition Condition met/good Busy ...
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...through the common ground pins. The current return for the +12 volt power supply is through the FC-SCA with support for the +5 volt power supply is driven by the drive as possible among the voltage and ground pins. Table 23: Active LED Out conditions Normal command activity Spun down and... LED status Slow blink (20% on and 80% off a 2 sec cycle) On On Cheetah 15K.4 FC Product Manual, Rev. Three 5 volt pins provide logic power to charge. There are longer voltage contacts in the drive connector are shorter to pull down and activity (command executing) Spun up and no activity...
...through the common ground pins. The current return for the +12 volt power supply is through the FC-SCA with support for the +5 volt power supply is driven by the drive as possible among the voltage and ground pins. Table 23: Active LED Out conditions Normal command activity Spun down and... LED status Slow blink (20% on and 80% off a 2 sec cycle) On On Cheetah 15K.4 FC Product Manual, Rev. Three 5 volt pins provide logic power to charge. There are longer voltage contacts in the drive connector are shorter to pull down and activity (command executing) Spun up and no activity...
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...transfer. This line provides the enclosure with an indication of the present function of ESI is discovered by FC-AL loop initialization. Support of the SEL lines. Cheetah 15K.4 FC Product Manual, Rev. SEL_ID 7E is AL_PA 00 which is not valid for a description of ESI operation. ... Interface Manual for each SEL value. Table 25 gives AL_PA values for a description of ESI operations. however, this value signals the drive that physical addresses are not being assigned using a discovery process. Refer to the SEL_ID lines per the specifications in table 27 on these...
...transfer. This line provides the enclosure with an indication of the present function of ESI is discovered by FC-AL loop initialization. Support of the SEL lines. Cheetah 15K.4 FC Product Manual, Rev. SEL_ID 7E is AL_PA 00 which is not valid for a description of ESI operation. ... Interface Manual for each SEL value. Table 25 gives AL_PA values for a description of ESI operations. however, this value signals the drive that physical addresses are not being assigned using a discovery process. Refer to the SEL_ID lines per the specifications in table 27 on these...
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... < 2.4mA IOH < -1.6mA IOH < -500µA IOL < 1.6mA Cheetah 15K.4 FC Product Manual, Rev. See Table 22 on page 66 for power failure warning. Table lists the supported codes. 9.5.12 Device control codes The drive inputs a Device Control Code on the DEV_CTRL_CODE lines at the same rate. IOL... = ±500nA max. Reserved for auto negotiation of the drive's input and output signals. Both ports run...
... < 2.4mA IOH < -1.6mA IOH < -500µA IOL < 1.6mA Cheetah 15K.4 FC Product Manual, Rev. See Table 22 on page 66 for power failure warning. Table lists the supported codes. 9.5.12 Device control codes The drive inputs a Device Control Code on the DEV_CTRL_CODE lines at the same rate. IOL... = ±500nA max. Reserved for auto negotiation of the drive's input and output signals. Both ports run...
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... device for customized communications that allow our partners to your drive's "ST" model number available. To learn more about Seagate products and services. Cheetah 15K.4 FC Product Manual, Rev. 10.0 Seagate Technology support services Online services Internet www.seagate.com for assistance specific to manage their Seagate account functions. These communications contain product launch, EOL, pricing, promotions...
... device for customized communications that allow our partners to your drive's "ST" model number available. To learn more about Seagate products and services. Cheetah 15K.4 FC Product Manual, Rev. 10.0 Seagate Technology support services Online services Internet www.seagate.com for assistance specific to manage their Seagate account functions. These communications contain product launch, EOL, pricing, promotions...