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Seagate ST9146752SS, ST973452SS, ST973352SS, ST973252SS manual Standard features, Media description

Models: ST9146652SS ST973352SS ST973252SS ST973452SS ST9146752SS ST9146852SS

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4.1Standard features

Savvio drives have the following standard features:

•Perpendicular recording technology

•1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface

•Integrated dual port SAS controller supporting the SCSI protocol

•Support for SAS expanders and fanout adapters

•Firmware downloadable using the SAS interface

•128-deep task set (queue)

•Supports up to 32 initiators

•Jumperless configuration

•User-selectable logical block size (512, 520, 524, or 528 bytes per logical block)

•Industry standard SFF 2.5-inch dimensions

•Programmable logical block reallocation scheme

•Flawed logical block reallocation at format time

•Programmable auto write and read reallocation

•Reallocation of defects on command (Post Format)

•ECC maximum burst correction length of 520 bits

•No preventive maintenance or adjustments required

•Dedicated head landing zone

•Embedded servo design

•Automatic shipping lock

•Self diagnostics performed when power is applied to the drive

•Zone bit recording (ZBR)

•Vertical, horizontal, or top down mounting

•Dynamic spindle brake

•16 Mbyte data buffer (see Section 5.5)

•Drive Self Test (DST)

•Background Media Scan (BMS)

•Idle Read After Write (IRAW)

•Power Save

Savvio® 15K.2 SAS Self-Encrypting Drive models have the following additional features:

•Automatic data encryption/decryption

•Controlled access

•Random number generator

•Drive locking

•16 independent data bands

•Cryptographic erase of user data for a drive that will be repurposed or scrapped

•Authenticated firmware download

4.2Media description

The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection.

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

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Seagate ST9146752SS, ST973452SS, ST973352SS, ST973252SS, ST9146852SS, ST9146652SS manual Standard features, Media description

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 Performance ReliabilityFormatted capacities Options Programmable drive capacity Access time Performance characteristicsInternal drive characteristics Seek performance characteristics Format command execution time General performance characteristicsStart/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 Temperature Log Page 0Dh Parameter Code Description Predictive failuresThermal 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 Product warranty ShippingProduct repair and return information Physical/electrical specifications AC power requirementsDC power requirements Gbit mode Amps 146GB models DC power requirements 73GB models DC power requirements General DC power requirement notes Power sequencingConducted noise immunity Current profile for 146GB models Current profiles Current profile for 73GB models Power dissipation 146GB models in 6.0 Gbit operation146GB models in 3.0 Gbit operation 73GB models in 3.0 Gbit operation 73GB models in 6.0 Gbit operation Temperature a. Operating Environmental limitsRelative humidity Effective altitude sea level a. Operating Shock and vibrationShock Recommended mounting Air cleanliness Vibration a. Operating-normalCorrosive environment Acoustics Dimensions Mechanical specifications About Fips PurposeLevel 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 Defect and error management Drive internal defects/errorsDrive error recovery procedures SAS system errors Background Media Scan Media Pre-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 Mode Sense data Inquiry dataSavvio inquiry data Page Mode Data Header 00 00 05 12 8B 00 10 Miscellaneous operating features and conditions Miscellaneous featuresMiscellaneous 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 SAS-2 Specification compliance General interface characteristicsAdditional information Savvio 15K.2 SAS Product Manual, Rev. E Numerics Index Iraw Msid Mtbf See also cooling