Seagate ST336807FC manual Performance characteristics, Internal drive characteristics

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4.0Performance characteristics

This section provides detailed information concerning performance-related characteristics and features of Cheetah 10K.7 FC drives.

4.1Internal drive characteristics

	ST336807FC
Drive capacity	36.8	................................Gbytes (formatted, rounded off value)
Read/write data heads	1
Bytes per track	556	................................Kbytes (average, rounded off values)
Bytes per surface	50.5	................................Gbytes (unformatted, rounded off value)
Tracks per surface (total)	90,774	................................Tracks (user accessible)
Tracks per inch	105,000	................................TPI
Peak bits per inch	658	................................KBPI
Internal data rate	470-944	................................Mbits/sec (variable with zone)
Disc rotation speed	10,000	................................rpm (+ 0.5%)
Avg rotational latency	3.0	................................msec

Cheetah 10K.7 36GB FC Product Manual, Rev. A

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Contents Cheetah 10K.7 FC Page Cheetah 10K.7 FC Page Revision Date Sheets Affected Revision status summary sheetRev. a 05/04/05 All. Initial release Page Contents Interface requirements Physical/electrical specificationsDefect and error management InstallationSeagate Technology support services Viii Cheetah 10K.7 36GB FC Product Manual, Rev. a Cheetah 10K.7 FC family disc drive List of FiguresCheetah 10K.7 36GB FC Product Manual, Rev. a Cheetah 10K.7 FC family disc drive ScopeCheetah 10K.7 36GB FC Product Manual, Rev. a Electromagnetic susceptibility Applicable standards and reference documentationStandards Electromagnetic compatibilityEuropean Union Restriction of Hazardous Substances RoHS Electromagnetic complianceFibre Channel Interface Manual Reference documentsCheetah 10K.7 36GB FC Product Manual, Rev. a General description Media description Standard featuresProgrammable drive capacity PerformanceReliability Formatted capacitiesUser-installed accessories Factory-installed accessoriesFactory-installed options ST336807FC Performance characteristicsInternal drive characteristics Generalized performance characteristics Seek performance characteristicsAccess time Format command execution time in minutesCache operation Start/stop timePrefetch/multi-segmented cache control Caching write data Prefetch operation Cheetah 10K.7 36GB FC Product Manual, Rev. a Recoverable Errors Reliability specificationsError rates Reliability and service Controlling S.M.A.R.T Hot plugging the drive4 S.M.A.R.T Determining rate Performance impactMilliseconds Reporting controlDrive Self Test DST Temperature Log page 0DhParameter Code Description Invoking DST State of the drive prior to testingDST Failure Definition ImplementationLog page entries Product warrantyShort test Function Code 001b Extended test Function Code 010bProduct repair and return information ShippingST336807FC DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsConducted noise immunity General DC power requirement notesPower sequencing Typical ST336807FC drive, 2 Gbit, +5V current profile Typical ST336807FC drive, 2 Gbit, +12V current profileST336807FC Power dissipationEffective altitude sea level TemperatureEnvironmental limits Relative humidityShock Package size Packaged/product weight Drop heightShock and vibration Recommended mounting Corrosive environment Air cleanlinessVibration Acoustics Mechanical specificationsMounting configuration dimensions Drive error recovery procedures Defect and error managementDrive internal defects/errors 77.7 Media Pre-Scan FC-AL system errorsBackground Media Scan Cheetah 10K.7 36GB FC Product Manual, Rev. a Drive ID/option selection InstallationPhysical interface Drive Front LED connectionsCooling 1 J6 connector requirementsDrive orientation Grounding Drive mountingType of frame Link service FC-AL featuresFibre Channel link service frames Link services supportedFC Scsi FCP response codes Fibre Channel task management functionsFibre Channel Scsi FCP task management functions Fibre Channel task management responsesBytes Fibre Channel port loginNPort login Plogi payload Process Login Plri payload Fibre Channel port login acceptNPort Login Accept ACC payload Fibre Channel Process LoginFabric Login Flogi payload Fibre Channel Process Login AcceptProcess Login Accept ACC payload Fibre Channel fabric loginFabric Login Accept ACC payload Fibre Channel fabric accept loginOption Supported Dual port supportFibre Channel Arbitrated Loop options FC-AL options supportedCommand code Supported Command name Scsi commands supportedSupported commands Supported commands Supported commands Supported commands Supported commands Bytes Data hex Mode Sense dataInquiry data Cheetah 10K.7 FC inquiry dataPage DEF CHG Miscellaneous status Miscellaneous operating features and conditionsMiscellaneous features Supported Feature or conditionPhysical description Physical characteristicsFC-AL physical interface Part description Positions Part number Features Connector requirementsElectrical description J6 connector dimensionsFC-SCA pin descriptions Pin Signal name Signal typePin descriptions FC-AL transmitters and receivers PowerFault LED Out Active LED Out conditions Enable port bypass signalsNormal command activity LED status Active LED Out11 SEL6 through SEL0 ID lines Motor start control signalsParallel Enclosure Services Interface ESI Motor start controlsHex Dec SettingArbitrated loop physical address Alpa values Signal characteristics Differential Pecl input characteristics LED driver signalsLED drive signal Differential Pecl output characteristicsLink rate GHz Eye diagram data valuesCheetah 10K.7 36GB FC Product Manual, Rev. a Technical Support Seagate Technology support servicesInternet MySeagate Reseller.seagate.com Presales SupportData Recovery Services Warranty ServiceData Recovery Services Authorized Service Centers Toll-free support numbers FAX services-All Europe toll callCall center Presales and Technical Support Warranty Service Asia/Pacific support services Publication feedback survey Cheetah 10K.7 36GB FC Product Manual, Rev. a Numerics IndexFAN Flogi PBC Page See also cooling