Seagate ST9146802SS, ST973402SS manual Index, Numerics

Page 79

Index

Numerics

12 volt pins 60

5 volt pins 60

A

abort task set function 45 AC coupling 60

AC power requirements 25 ACA active status 55

ACA active, faulted initiator status 55

acoustics

34

 

 

 

 

 

active LED Out signal

60

 

 

actuator

 

9

 

 

 

 

 

assembly design

7

 

 

adaptive caching

55

 

 

 

air cleanliness

33

 

 

 

 

air flow

30, 42

 

 

 

 

illustrated

42

 

 

 

 

air inlet

42

 

 

 

 

 

altitude

31

 

 

 

 

 

ambient

 

30

 

 

30,

 

 

ambient temperature

42

 

ANSI documents

 

 

 

 

SCSI

5

 

 

 

 

 

Serial Attached SCSI

5

 

asynchronous event notification

55

audible noise

3

 

 

 

 

auto write and read reallocation

 

programmable

8

 

 

 

automatic contingent allegiance

55

average idle current

25,

26

 

average rotational latency

11

 

B

Background Media Scan 39 backpanel 59

BMS 39 buffer

data 8 space 13

busy status 55 bytes per surface 11 bytes per track 11

C

cache operation 13 cache segments 14 caching write data 14

Canadian Department of Communications 3

capacity unformatted 11

case temperature 30 check condition status 55 class B limit 3

clear ACA function 45 clear task set function 45 commands supported 47 condensation 31 condition met/good status 55 connector

illustrated 59 requirements 59

continuous vibration 33 cooling 42

CRC

error 18 Current profiles 27 customer service 24

D

DAR

40

 

 

 

 

 

data block size

 

 

 

 

modifing the

9

 

 

data buffer to/from disc media

12

data heads

 

 

 

 

 

read/write

11

 

 

data rate

 

 

 

 

 

internal

11

 

 

 

 

data transfer rate

12

 

DC power

59

 

 

 

 

requirements

25

 

defect and error management

37

defects 37

 

 

 

 

 

Deferred Auto-Reallocation 40

deferred error handling 55

 

description

7

 

 

 

 

dimensions

35

 

 

 

 

disc rotation speed

11

 

drive

33

 

 

 

 

 

drive characteristics

11

 

drive failure

18

 

 

 

drive mounting

35,

43

 

drive select

59

 

 

 

 

dual port support

46

 

E

electrical

description of connector 59 signal characteristics 60 specifications 25

electromagnetic compatibility 3 electromagnetic susceptibility 34 EMI requirements 3

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

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Contents ST9146802SS ST973402SS Savvio 10K.2 SASPage 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. D 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. D General description Media description Standard featuresPerformance 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 minutesPrefetch/multi-segmented cache control Start/stop timeCache operation Prefetch operation Caching write dataPage Savvio 10K.2 SAS Product Manual, Rev. D 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 requirementsGeneral DC power requirement notes ST973402SS DC power requirementsST973402SS Gbit mode Amps Conducted noise immunity Power sequencingCurrent profiles ST973402SS current profile ST9146802SS in 3 Gbit operation Power dissipationST973402SS in 3 Gbit operation Environmental limits TemperatureShock Relative humidityEffective altitude sea level Shock and vibrationRecommended mounting Package size Packaged/product weight Drop heightVibration Air cleanlinessCorrosive environment Acoustics Mounting configuration dimensions Mechanical specificationsSavvio 10K.2 SAS Product Manual, Rev. D Drive internal defects/errors Defect and error managementDrive error recovery procedures Page Background Media Scan SAS system errorsDeferred Auto-Reallocation Media Pre-ScanIdle Read After Write Drive orientation InstallationAir flow CoolingGrounding Drive mountingSavvio 10K.2 SAS Product Manual, Rev. D Interface requirements SAS featuresDual port support Commands supported by Savvio SAS family drive Scsi commands supportedCommand 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 CjtpatImpedance requirements Sheet 2 Transmitter characteristicsElectrical TxRx connections = -5,437dB Tctf ISI loss example at 1.5 Gbps Receiver characteristicsTechnical Support Seagate Technology support servicesInternet Presales SupportData Recovery Services Authorized Service Centers Warranty ServiceData 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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