Seagate ST9146802SS, ST973402SS manual Sas

Page 81

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. D

75

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Contents ST9146802SS ST973402SS Savvio 10K.2 SASPage Contents Installation Defect and error managementSeagate Technology support services Interface requirementsSavvio 10K.2 SAS disc drive List of FiguresPage Savvio 10K.2 SAS disc drive ScopeSavvio 10K.2 SAS Product Manual, Rev. D Standards Applicable standards and reference documentationElectromagnetic compatibility Electromagnetic susceptibilityElectromagnetic compliance for the European Union Electromagnetic complianceAustralian C-Tick Korean MICEuropean Union Restriction of Hazardous Substances RoHS Reference documentsSavvio 10K.2 SAS Product Manual, Rev. D General description Standard features Media descriptionPerformance Reliability Factory-installed accessoriesFormatted capacities Programmable drive capacityFactory-installed options Internal drive characteristics Performance characteristicsSeek performance characteristics Access timeGeneral 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. D Error rates Reliability specificationsRecoverable Errors Unrecoverable ErrorsSeek errors Reliability and serviceInterface errors Preventive maintenanceControlling S.M.A.R.T 4 S.M.A.R.TPerformance impact MillisecondsDetermining rate Reporting controlPredictive failures Thermal monitorDrive Self Test DST Temperature Log Page 0Dh Parameter Code DescriptionDST failure definition ImplementationInvoking DST State of the drive prior to testingShort and extended tests Short test Function Code 001bLog page entries Product warrantyAbort ShippingProduct repair and return information AC power requirements Physical/electrical specificationsDC power requirements ST9146802SS DC power requirementsST973402SS DC power requirements General DC power requirement notesST973402SS Gbit mode Amps Power sequencing Conducted noise immunityCurrent profiles ST973402SS current profile Power dissipation ST9146802SS in 3 Gbit operationST973402SS in 3 Gbit operation Environmental limits TemperatureEffective altitude sea level Relative humidityShock and vibration ShockRecommended mounting Package size Packaged/product weight Drop heightAir cleanliness VibrationCorrosive environment Acoustics Mounting configuration dimensions Mechanical specificationsSavvio 10K.2 SAS Product Manual, Rev. D 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. D 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 Inquiry data Mode Sense dataSavvio inquiry data Bytes Data hexPage Mode Data Header 08 8b b9 98 00 00 02 Miscellaneous features Miscellaneous operating features and conditionsSupported Feature or condition Miscellaneous statusSAS physical interface Datum B Section C C Section a a Connector requirements Physical characteristicsElectrical description Pin descriptionsPower Signal characteristicsSAS transmitters and receivers Ready LED OutDifferential signals LED drive signalGeneral interface characteristics Eye masks Eye masks overviewJitter tolerance masks Receive eye maskSinusoidal Peak-toJitter Frequency in kHzSignal characteristica Units Gbps Transmitter signal characteristicsSignal characteristic Units Gbps Receiver signal characteristicsMaximum allowable jitter Gbps m, n Deterministic jitterqReceiver jitter tolerance Impedance specificationsCompliant jitter test pattern Cjtpat Impedance requirements Sheet 1Transmitter characteristics Impedance requirements Sheet 2Electrical TxRx connections = -5,437dB Tctf ISI loss example at 1.5 Gbps Receiver characteristicsInternet Seagate Technology support servicesPresales Support Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial 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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