Caching write data, Prefetch operation | Seagate ST336854FC instruction

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Seagate ST336854FC, ST3146954FC, ST373554FC manual Caching write data, Prefetch operation

Contents

Cheetah 15K.4 FC ST3146954FC ST373554FC ST336854FCPage Cheetah 15K.4 FC March 07/15/05 Revision status summary sheetRev. A Rev. B DraftPage 5.0 Reliability specifications Contents4.0 Performance characteristics 6.0 Physical/electrical specifications 9.0 Interface requirements 7.0 Defect and error management8.0 Installation 10.0 Seagate Technology support services Cheetah 15K.4 FC Product Manual, Rev. B List of Figures Page 1.0 Scope Figure 1. Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev. B 2.1.1 Electromagnetic compatibility 2.0 Applicable standards and reference documentation2.1 Standards 2.1.1.1 Electromagnetic susceptibility Australian C-Tick 2.1.2 Electromagnetic complianceElectromagnetic compliance for the European Union Korean MIC Fibre Channel Interface Manual Specification for Acoustic Test Requirement and Procedures2.2 Reference documents Cheetah 15K.4 FC Product Manual, Rev. B 3.0 General description 3.1 Standard features 3.2 Media description 3.5 Formatted capacities 3.3 Performance3.4 Reliability 3.5.1 Programmable drive capacity 3.8 User-installed accessories 3.6 Factory-installed accessories3.7 Factory-installed options 4.2 Seek performance characteristics 4.0 Performance characteristics4.1 Internal drive characteristics 4.2.1 Access time 4.3 Start/stop time 4.2.2 Format command execution time minutesGeneral performance characteristics 4.4 Prefetch/multi-segmented cache control 4.5 Cache operation 4.5.1 Caching write data 4.5.2 Prefetch operation Cheetah 15K.4 FC Product Manual, Rev. B Cheetah 15K.4 FC Product Manual, Rev. B 5.1.1 Recoverable Errors 5.0 Reliability specifications5.1 Error rates 5.1.2 Unrecoverable Errors 5.1.4 Interface errors 5.2 Reliability and service5.1.3 Seek errors 5.2.2 Preventive maintenance Controlling S.M.A.R.T 5.2.3 Hot plugging the drive5.2.4 S.M.A.R.T Maximum processing delay Fully-enabled delayPerformance impact On-line only delay 5.2.6 Drive Self Test DST Parameter CodeDescription 5.2.6.1 DST failure definition 5.2.6.2.2 Invoking DST 5.2.6.2.1 State of the drive prior to testing5.2.6.2 Implementation 5.2.6.2.3 Short and extended tests 5.2.6.2.5 Abort 5.2.7 Product warranty5.2.6.2.4 Log page entries Shipping Product repair and return information 6.2 DC power requirements 6.0 Physical/electrical specifications6.1 AC power requirements 3 See +12V current profile in Figure 6.2.1 Conducted noise immunity General DC power requirement notes6.2.2 Power sequencing 6.2.3 Current profiles Figure 2. Typical ST3146954FC drive, 2 Gbit, +12V current profile Figure 3. Typical ST3146954FC drive, 2 Gbit, +5V current profile Figure 4. Typical ST373554FC drive +12V current profile Figure 5. Typical ST373554FC drive +5V current profile Figure 6. Typical ST336854FC drive +12V current profile Figure 7. Typical ST336854FC drive +5V current profile 6.3 Power dissipation ST3146954FC ST373554FC Power watts ST336854FC 6.4.2 Relative humidity 6.4 Environmental limits6.4.1 Temperature a. Operating 6.4.4.1 Shock 6.4.3 Effective altitude sea level a. Operating6.4.4 Shock and vibration Drop height Packaged/product weightPackage size Figure 12. Recommended mounting 6.4.6 Acoustics 6.4.5 Air cleanliness6.4.4.2 Vibration a. Operating-normal 6.4.7 Electromagnetic susceptibility 6.5 Mechanical specifications Figure 13. Mounting configuration dimensions 7.2 Drive error recovery procedures 7.0 Defect and error management7.1 Drive internal defects/errors Cheetah 15K.4 FC Product Manual, Rev. B 7.3 FC-AL system errors 7.4 Background Media Scan 7.4.1 Media Pre-Scan 8.0 Installation 8.1 Drive ID/option selection Figure 14. Physical interface 8.2 LED connectionsFigure 15. LED indicator connector 8.4 Cooling 8.2.1 J6 connector requirements8.3 Drive orientation K x X = F 15lb = 67N 8.5 Drive mounting8.6 Grounding 9.0 Interface requirements 9.1 FC-AL features9.1.1 Fibre Channel link service frames Fibre Channel SCSI FCP task management functions 9.1.2 Fibre Channel task management functions9.1.3 Fibre Channel task management responses Task name Bytes 9.1.4 Fibre Channel port loginNPort login PLOGI payload NPort Login Accept ACC payload 9.1.5 Fibre Channel port login accept9.1.6 Fibre Channel Process Login Process Login PLRI payload Process Login Accept ACC payload 9.1.7 Fibre Channel Process Login Accept9.1.8 Fibre Channel fabric login Fabric Login FLOGI payload 9.1.9 Fibre Channel fabric accept login Fabric Login Accept ACC payload 9.2 Dual port support 9.1.10 Fibre Channel Arbitrated Loop options Command code 9.3 SCSI commands supportedTable 16 Supported commands Command name Table 16 Supported commands continued Command name 3 Reference Mode Sense command 1Ah for mode pages supported 9.3.1 Inquiry data 9.3.2 Mode Sense data 4. Changeable values CHG = Changeable bits indicates if default value is changeable3. Current values Definitions SAV = Current saved value MODE SENSE 10 BYTE HEADER DATA Cheetah 15K.4 FC Product Manual, Rev. B Cheetah 15K.4 FC Product Manual, Rev. B Feature or condition 9.4 Miscellaneous operating features and conditionsMiscellaneous features Miscellaneous status 9.5.1.1 Physical description 9.5.1 Physical characteristics9.5 FC-AL physical interface FC-AL SCA device connector dimensions 9.5.2 Connector requirementsFeatures Figure 20. J6 connector dimensions 9.5.3 Electrical description 9.5.4 Pin descriptions 9.5.5 FC-AL transmitters and receivers 9.5.6 Power9.5.7 Fault LED Out Figure 21. FC-AL transmitters and receivers 9.5.10 Motor start controls 9.5.9 Enable port bypass signals9.5.8 Active LED Out Normal command activity 9.5.11.1 Parallel Enclosure Services Interface ESI 9.5.11 SEL6 through SEL0 ID lines ALPA SettingArbitrated loop physical address ALPA values SEL ID 9.5.12 Device control codes 9.6 Signal characteristicsTTL input characteristics 9.6.1 9.6.4 FC Differential input 9.6.2 LED driver signals9.6.3 FC Differential output Bit Time Vout mv XMIT Eye Vin mv Receive eye diagramEye diagram data values 941 ps 659 ps 376 ps Cheetah 15K.4 FC Product Manual, Rev. B Seagate Service Centers 10.0 Seagate Technology support servicesOnline services Internet Warranty Service Customer Service OperationsUSA/Canada/Latin America support services Seagate Service Centers Data Recovery Services FAX services-All Europe toll call European support servicesAfrica/Middle East support services Warranty Service Asia/Pacific support services Index Numerics Download microcode with offsets and save mode 7 front panel 38 FS 49, 50, 52 function pin descriptions 66 PN 49 mounting 46 holes 46 orientationsNN 49 Self-Monitoring Analysis and Reporting Technology 9 UI 50, 51 unformatted SMP = 1 in Mode Select command 63 SO 49LED driver 72 single-unit shipping pack kit 10 SMART 9 Page Seagate Technology LLC