Seagate ST936701SS, ST973401SS manual Index, Numerics

Page 81

Index

Numerics

12 volt pins 61

5 volt pins 61

A

abort task set function 45 AC coupling 60

AC power requirements 25 ACA active status 55

ACA active, faulted initiator status 55

acoustics

36

 

 

 

 

 

active LED Out signal

61

 

 

actuator

 

9

 

 

 

 

 

assembly design

7

 

 

adaptive caching

55

 

 

 

air cleanliness

35

 

 

 

 

air flow

32, 42

 

 

 

 

illustrated

42

 

 

 

 

air inlet

42

 

 

 

 

 

altitude

33

 

 

 

 

 

ambient

 

32

 

 

32,

 

 

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

backpanel 59 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 32 check condition status 55 class B limit 3

clear ACA function 45 clear task set function 45 commands supported 47 condensation 32 condition met/good status 55 connector

illustrated 59 requirements 59

continuous vibration 35 cooling 42

CRC

error 18 Current profiles 27 customer service 24

D

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

39

deferred error handling 55

 

description

7

 

 

 

 

dimensions

37

 

 

 

 

disc rotation speed

11

 

drive 35

 

 

 

 

 

drive characteristics

11

 

drive failure

18

 

 

 

drive malfunction

18

 

drive mounting

37,

43

 

drive select

59

 

 

 

 

dual port support

46

 

E

electrical

description of connector 59 signal characteristics 61 specifications 25

electromagnetic compatibility 3 electromagnetic susceptibility 36 EMI requirements 3 environment 42 environmental

limits 32 requirements 17

Savvio SAS Product Manual, Rev. D

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Contents ST973401SS ST936701SS Savvio SASPage Contents Installation Defect and error managementSeagate Technology support services Interface requirementsList of Figures Page Savvio family disc drive ScopeSavvio SAS Product Manual, Rev. D Standards Applicable standards and reference documentationElectromagnetic compatibility Electromagnetic susceptibilityElectromagnetic compliance for the European Union Electromagnetic complianceAustralian C-Tick Korean MICSAS Interface Manual Reference documentsSavvio SAS Product Manual, Rev. D General description Standard features Media descriptionPerformance Reliability Factory-installed accessoriesFormatted capacities Programmable drive capacityUser-installed accessories Factory-installed optionsInternal 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 Caching write data Prefetch operation Savvio SAS Product Manual, Rev. D Error rates Reliability specificationsRecoverable Errors Unrecoverable ErrorsSeek errors Reliability and serviceInterface errors Preventive maintenance4 S.M.A.R.T Hot plugging the driveControlling S.M.A.R.T Performance impactDetermining 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 ST973401SS DC power requirementsST936701SS DC power requirements General DC power requirement notesST936701SS Gbit mode Amps Conducted noise immunity Power sequencingCurrent profiles +5V +12VTypical ST973401SS drive +12V current profile Typical ST936701SS drive +12V current profile Power dissipation ST973401SS in 3 Gbit operationST973401SS in 1.5 Gbit operation ST936701SS in 1.5 Gbit operation ST936701SS in 3 Gbit operationTemperature Environmental limitsRelative humidity Effective altitude sea level Shock and vibrationShock Recommended mounting Package size Packaged/product weight Drop heightAir cleanliness VibrationCorrosive environment Acoustics Mounting configuration dimensions Mechanical specificationsSavvio SAS Product Manual, Rev. D Defect and error management Drive internal defects/errorsDrive error recovery procedures SAS system errors Drive orientation InstallationAir flow CoolingGrounding Drive mountingSavvio 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 DEF CHG Savvio SAS Product Manual, Rev. D 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 descriptionsPin Signal name Signal type SAS pin descriptionsSAS transmitters and receivers Signal characteristics Characteristic Units Gbps General interface characteristicsEye masks Eye masks overview Receive eye maskReveive tolerance eye mask Jitter tolerance masksSinusoidal 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 characteristicsSavvio SAS Product Manual, Rev. D Internet 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
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ST936701SS, ST973401SS specifications

The Seagate ST936701SS and ST973401SS are high-performance enterprise hard drives designed for optimal data storage solutions in demanding environments. Both models belong to Seagate's Savvio series, which is renowned for its reliability and efficiency. These drives are tailored for critical applications such as database management, data warehousing, and online transaction processing.

The ST936701SS comes with a storage capacity of 36.4 GB, while the ST973401SS offers a larger capacity of 73.4 GB. This variance allows users to choose the drive that best suits their storage needs without compromising performance. Both drives utilize a 2.5-inch form factor, making them compact and suitable for high-density storage configurations.

A key feature of these drives is their impressive rotational speed of 10,000 RPM, which enhances data access times and improves overall system responsiveness. This speed allows for reduced latency and faster data transfer rates, critical for applications that require quick retrieval of large datasets.

In terms of technology, these drives utilize the Serial Attached SCSI (SAS) interface, which is favored in enterprise settings for its reliability and speed. SAS provides better performance than traditional SATA drives, particularly when dealing with high workloads, as it supports multiple concurrent connections and higher data throughput.

The ST936701SS and ST973401SS are also equipped with advanced features such as Seagate's Native Command Queuing (NCQ), which optimizes the order in which read and write commands are executed. This results in improved performance under multi-tasking conditions, essential for enterprise servers managing multiple requests simultaneously.

Additionally, both drives incorporate features aimed at enhancing data integrity and reliability. They support End-to-End Data Protection and are designed to endure the rigors of continuous operation, with MTBF (Mean Time Between Failures) ratings that bolster their reputation for durability.

Energy efficiency is another notable characteristic, as both drives are designed to reduce power consumption without sacrificing performance. This is particularly important in enterprise environments where power management contributes to lower operational costs.

In conclusion, the Seagate ST936701SS and ST973401SS drives are robust, reliable storage solutions tailored for enterprise applications. With their high performance, advanced technology features, and capacity options, they provide organizations with the scalability and efficiency required in today’s data-driven landscape. Whether it's for critical data management tasks or high-access applications, these drives stand out as a solid choice for any enterprise storage strategy.
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