Standard features, Media description | Seagate ST9500430SS manual

4.1Standard features

Constellation 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 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

•Embedded servo design

•Automatic shipping lock

•Dedicated head load/unload zone

•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

Constellation® 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 a glass substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection.

Constellation SAS Product Manual, Rev. E

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Seagate ST9500430SS, ST9500432SS, ST9500431SS manual Standard features, Media description

Contents

SED Fips 140-2 Model ST9500430SSST9500431SSST9500432SS Standard Model Self-Encrypting Drive Model Revision history Contents Interface requirements Defect and error managementInstallation About Fips About self-encrypting drives Power Constellation SAS Product Manual, Rev. E GB model current profiles List of Figures Constellation SAS Product Manual, Rev. E Seagate Online Support and Services Seagate Technology support services Scope Electromagnetic susceptibility Applicable standards and reference documentationStandards Electromagnetic compatibility Korean KCC 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 Programmable drive capacity PerformanceReliability Formatted capacities Factory-installed options Access time Performance characteristicsInternal drive characteristics Seek performance characteristics Start/stop time General performance characteristics 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 PowerChoiceTM power managementPowerChoice modes DC power requirements AC power requirementsPage General DC power requirement notes Power sequencingConducted noise immunity GB model current profiles Current profiles ST9500430SS, ST9500431SS and ST9500432SS in 3 Gbit operation Power dissipation ST9500430SS, ST9500431SS and ST9500432SS in 6 Gbit operation Environmental limits Temperature a. Operating Shock Relative humidityEffective altitude sea level a. Operating Shock and vibrationPage Recommended mounting Air cleanliness Vibration a. Operating-normalCorrosive environment Acoustics Mounting configuration 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 dataConstellation inquiry data Page Mode Data Header 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 Ready LED Out Signal characteristicsPower SAS transmitters and receivers General interface characteristics SAS-2 Specification ComplianceLED drive signal Differential signals Constellation SAS Product Manual, Rev. E Numerics Index KCC Msid Mtbf See also cooling Page Constellation SAS Product Manual, Rev. E Page Seagate Technology LLC