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Seagate ST973352SS, ST973452SS, ST973252SS, ST9146752SS, ST9146852SS, ST9146652SS Dual port support

Models: ST9146652SS ST973352SS ST973252SS ST973452SS ST9146752SS ST9146852SS

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12.2Dual port support

Savvio SAS drives have two independent ports. These ports may be connected in the same or different SCSI domains. Each drive port has a unique SAS address.

The two ports have the capability of independent port clocking (e.g. both ports can run at 6Gbit/sec or the first port can run at 6Gbit/sec while the second port runs at 3Gbit/sec.) The supported link rates are 1.5, 3.0, or 6.0 Gbits/sec.

Subject to buffer availability, the Savvio drives support:

•Concurrent port transfers—The drive supports receiving COMMAND, TASK management transfers on both ports at the same time.

•Full duplex—The drive supports sending XFER_RDY, DATA and RESPONSE transfers while receiving frames on both ports.

Savvio 15K.2 SAS Product Manual, Rev. E

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Seagate ST973352SS, ST973452SS, ST973252SS, ST9146752SS, ST9146852SS, ST9146652SS manual Dual port support

Contents

SED Fips 140-2 Models ST9146852SSST9146752SS ST973452SSST973352SSST9146652SS ST973252SS Standard Models Self-Encrypting Drive ModelsPage Contents Interface requirements Defect and error managementInstallation About Fips About self-encrypting drivesPage Savvio 15K.2 SAS Product Manual, Rev. E List of Figures Page Seagate Online Support and Services Seagate Technology support services Scope Electromagnetic susceptibility Applicable standards and reference documentationStandards Electromagnetic compatibility Korean MIC Electromagnetic complianceElectromagnetic compliance for the European Union Australian C-Tick European Union Restriction of Hazardous Substances RoHS Reference documents General description Media description Standard features Reliability PerformanceFormatted capacities Options Programmable drive capacity Access time Performance characteristicsInternal drive characteristics Seek performance characteristics General performance characteristics Format command execution timeStart/stop time Cache operation Prefetch/multi-segmented cache control Prefetch operation Caching write data Unrecoverable Errors Reliability specificationsError rates Recoverable Errors Preventive maintenance Reliability and serviceSeek errors Interface errors Reporting control 4 S.M.A.R.TControlling S.M.A.R.T Performance impact Predictive failures Temperature Log Page 0Dh Parameter Code DescriptionThermal monitor Implementation State of the drive prior to testingDrive Self Test DST DST failure definition Log page entries Short and extended testsShort test Function Code 001b Extended test Function Code 010b Shipping Product warrantyProduct repair and return information AC power requirements Physical/electrical specificationsDC power requirements Gbit mode Amps 146GB models DC power requirements 73GB models DC power requirements Power sequencing General DC power requirement notesConducted noise immunity Current profile for 146GB models Current profiles Current profile for 73GB models 146GB models in 6.0 Gbit operation Power dissipation146GB models in 3.0 Gbit operation 73GB models in 3.0 Gbit operation 73GB models in 6.0 Gbit operation Environmental limits Temperature a. OperatingRelative humidity Shock and vibration Effective altitude sea level a. OperatingShock Recommended mounting Vibration a. Operating-normal Air cleanlinessCorrosive environment Acoustics Dimensions Mechanical specifications Purpose About FipsLevel 2 security Data encryption Controlled accessAdmin SP About self-encrypting drives Data bands Default passwordRandom number generator RNG Drive locking Cryptographic erase Authenticated firmware downloadPower requirements Supported commands Drive internal defects/errors Defect and error managementDrive error recovery procedures SAS system errors Media Pre-Scan Background Media ScanDeferred Auto-Reallocation Idle Read After Write Drive orientation Installation Air flow Cooling Grounding Drive mounting Interface requirements SAS features Dual port support Supported commands Scsi commands supported Supported commands Supported commands Supported commands Inquiry data Mode Sense dataSavvio inquiry data Page Mode Data Header 00 00 05 12 8B 00 10 Miscellaneous features Miscellaneous operating features and conditionsMiscellaneous status SAS physical interface Datum B Section C C Section a a Pin descriptions Physical characteristicsConnector requirements Electrical description SAS transmitters and receivers SAS pin descriptions Signal characteristics General interface characteristics SAS-2 Specification complianceAdditional information Savvio 15K.2 SAS Product Manual, Rev. E Numerics Index Iraw Msid Mtbf See also cooling