Seagate ST9146802SS, ST973402SS manual Sas

Page 87

Task set full 55 miscorrected media data 17 Mode sense

data, table 51, 53 mounting 43

holes 43 orientations 41

mounting configuration 35

mounting configuration dimensions 35 MTBF 17, 18, 30

N

noise audible 3

noise immunity 27 non-operating 31, 33

temperature 30 non-operating vibration 33

O

office environment 33 operating 31, 33 option selection 59 options 10 orientation 31 out-of-plane distortion 43

P

package size 32

package test specification 5 packaged 32

parameter rounding 55 PCBA 43

peak bits per inch 11

peak operating current 25, 26 peak-to-peak measurements 27 performance characteristics

detailed 11 general 12

performance degradation 31 performance highlights 8 physical damage 33 physical interface 56 physical specifications 25 pin descriptions 59

power 60 dissipation 29 requirements, AC 25 requirements, DC 25 sequencing 27

power distribution 3 prefetch/multi-segmented cache control 13 preventive maintenance 17

Q

queue tagging 55

R

radio interference regulations

3

RCD bit

13

17,

 

 

 

read error rates

37

 

 

read/write data heads

11

 

 

receivers

60

 

 

 

 

 

recommended mounting 32

 

Recoverable Errors

17

 

 

recovered media data

17

 

 

reference

 

 

 

 

 

 

documents

5

 

 

 

 

relative humidity

31

 

 

 

reliability

9

 

 

 

 

 

specifications

17

 

 

 

reliability and service

18

 

 

repair and return information

24

reporting actual retry count

55

reservation conflict status

55

 

resonance 31

 

 

 

 

 

return information

24

 

 

 

RoHS 5

 

 

 

 

 

 

rotation speed 11

 

 

 

 

S

safety

3

 

 

 

 

 

 

 

SAS

 

 

 

 

 

 

 

 

interface

59

 

 

 

 

 

physical interface

56

 

 

task management functions

45

SAS documents

5

 

3,

 

 

SAS Interface Manual

5

 

SCSI interface

 

 

 

 

 

commands supported

47

 

seek error

 

 

 

 

 

 

 

defined

18

 

 

 

 

 

rate 17

 

 

 

 

 

 

seek performance characteristics

11

seek time

 

 

 

 

 

 

 

average typical

11

 

 

full stroke typical

11

 

 

single track typical

11

 

 

segmented caching

55

 

 

Self-Monitoring Analysis and Reporting Technology

 

9,

19

 

 

 

 

 

Serial Attached SCSI (SAS) Interface Manual 1

shielding

3

 

 

 

 

 

 

shipping

23

 

 

 

 

 

 

shipping container

30

 

 

shock

31

 

 

 

 

 

 

and vibration

31

 

 

 

shock mount

43

 

 

 

 

 

Savvio 10K.2 SAS Product Manual, Rev. B

77

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Image 87
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Contents Savvio 10K.2 SAS Page Savvio 10K.2 SAS Page Revision Date Revision status summary sheetPage Contents Interface requirements Defect and error managementInstallation Seagate Technology support servicesSavvio 10K.2 SAS disc drive List of FiguresPage Savvio 10K.2 SAS disc drive ScopeSavvio 10K.2 SAS Product Manual, Rev. B Electromagnetic susceptibility Applicable standards and reference documentationStandards Electromagnetic compatibilityKorean MIC Electromagnetic complianceElectromagnetic compliance for the European Union Australian C-TickEuropean Union Restriction of Hazardous Substances RoHS Reference documentsSavvio 10K.2 SAS Product Manual, Rev. B General description Standard features Media descriptionPerformance Programmable drive capacity Factory-installed accessoriesReliability Formatted capacitiesFactory-installed options Access time Performance characteristicsInternal drive characteristics Seek performance characteristicsGeneral performance characteristics Format command execution time for 512-byte sectors minutesStart/stop time Prefetch/multi-segmented cache controlCache operation Prefetch operation Caching write dataPage Savvio 10K.2 SAS Product Manual, Rev. B Unrecoverable Errors Reliability specificationsError rates Recoverable ErrorsPreventive maintenance Reliability and serviceSeek errors Interface errorsMilliseconds 4 S.M.A.R.TControlling S.M.A.R.T Performance impactThermal monitor Reporting controlDetermining rate Predictive failuresImplementation Temperature Log Page 0Dh Parameter Code DescriptionDrive Self Test DST DST failure definitionShort test Function Code 001b State of the drive prior to testingInvoking DST Short and extended testsShipping Product warrantyLog page entries AbortProduct repair and return information ST9146802SS DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsST973402SS DC power requirements General DC power requirement notesST973402SS Gbit mode Amps +5V +12V Power sequencingConducted noise immunity Current profilesST973402SS current profile Power dissipation ST9146802SS in 3 Gbit operationST973402SS in 3 Gbit operation Environmental limits TemperatureShock Relative humidityEffective altitude sea level Shock and vibrationRecommended mounting Package size Packaged/product weight Drop heightAir cleanliness VibrationCorrosive environment Acoustics Mounting configuration dimensions Mechanical specificationsSavvio 10K.2 SAS Product Manual, Rev. B Defect and error management Drive internal defects/errorsDrive error recovery procedures Page Background Media Scan SAS system errorsMedia Pre-Scan Deferred Auto-ReallocationIdle Read After Write Drive orientation InstallationAir flow CoolingGrounding Drive mountingSavvio 10K.2 SAS Product Manual, Rev. B Interface requirements SAS featuresDual port support Scsi commands supported Commands supported by Savvio SAS family driveCommand name Command code Supported Commands supported by Savvio SAS family drive Commands supported by Savvio SAS family drive Commands supported by Savvio SAS family drive Bytes Data hex Mode Sense dataInquiry data Savvio inquiry dataPage Mode Data Header 08 8b b9 98 00 00 02 Miscellaneous status Miscellaneous operating features and conditionsMiscellaneous features Supported Feature or conditionSAS physical interface Datum B Section C C Section a a Pin descriptions Physical characteristicsConnector requirements Electrical descriptionReady LED Out Signal characteristicsPower SAS transmitters and receiversEye masks Eye masks overview LED drive signalDifferential signals General interface characteristicsJitter tolerance masks Receive eye maskFrequency in kHz Peak-toSinusoidal JitterSignal characteristica Units Gbps Transmitter signal characteristicsGbps m, n Deterministic jitterq Receiver signal characteristicsSignal characteristic Units Gbps Maximum allowable jitterImpedance requirements Sheet 1 Impedance specificationsReceiver jitter tolerance Compliant jitter test pattern CjtpatTransmitter characteristics Impedance requirements Sheet 2Electrical TxRx connections = -5,437dB Tctf ISI loss example at 1.5 Gbps Receiver characteristicsPresales Support Seagate Technology support servicesWarranty Service Internet MySeagate Spp.seagate.comData Recovery Services Data Recovery Services Authorized Service CentersFAX services-All Europe toll call Call center Presales and Technical Support Warranty ServiceToll-free support numbers Seagate Service Centers Numerics IndexPage SAS See also cooling Page Seagate Technology LLC
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ST973402SS, ST9146802SS specifications

The Seagate ST973402SS and ST9146802SS are high-performance, enterprise-grade hard drives designed to meet the demanding needs of data-intensive applications. These drives are part of Seagate's Savvio and Barracuda product lines, aimed specifically at businesses and institutions requiring reliability, speed, and efficiency in storage solutions.

The ST973402SS is a 73GB, 2.5-inch hard drive, while the ST9146802SS offers a larger capacity of 146GB. Both models utilize a 10,000 RPM spindle speed, which significantly enhances their ability to handle fast data read and write operations. This speed ensures reduced latency and improved overall performance, making them ideal for environments where rapid access to data is crucial.

One of the standout features of these drives is their support for Serial Attached SCSI (SAS) interface. SAS technology provides a point-to-point connection, which allows for increased data transfer rates compared to traditional SATA drives. The ST973402SS and ST9146802SS are capable of transferring data at speeds of up to 600 MB/s, facilitating efficient data transfers in enterprise systems.

In terms of reliability, both models offer advanced features designed to improve data integrity and durability. They are built to withstand high workloads, with an annualized workload rate of up to 550 TB per year. This makes them well-suited for applications like databases and transactional storage, where sustained performance is required. Additionally, the drives feature Seagate’s PowerFit technology, which optimizes performance while minimizing power consumption.

To enhance data security, the drives come equipped with self-encrypting technology, ensuring that sensitive data is protected through hardware-based encryption. This is particularly important in environments where data breaches can lead to significant operational impacts.

The drives are also designed to operate efficiently in terms of thermal management, featuring robust heat dissipation capabilities. This helps to maintain optimal performance levels while prolonging the lifespan of the drives.

Overall, the Seagate ST973402SS and ST9146802SS are robust and reliable hard drives that cater to the needs of enterprise environments, combining high capacity, exceptional speed, advanced security features, and energy efficiency to help businesses maintain and manage large volumes of data effectively. With their proven performance and innovative technologies, these drives are well-equipped to support a wide range of applications in modern data centers.
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