Seagate ST3146356SS, ST3300656SS, ST3450856SS manual

Page 84

environmental control 35 error

management 39 rates 15

errors 39

F

FCC rules and regulations 3 features 8

interface 47 firmware 8

corruption 52

flawed sector reallocation 8

Format command execution time 12 function

complete, code 00 47

not supported, code 05 47 reject, code 04 47

G

Good status 58 gradient 32, 33 ground shift noise 63 grounding 45

H

HDA 44, 45

head and disc assembly (HDA) 7 head and disc assembly. See HDA heads

read/write data 11 heat removal 44 heat source 44

host equipment 45

hot plugging the drive 16 humidity 33

humidity limits 32

I

Idle Read After Write 42 inquiry data 53 installation 43 interface

commands supported 49 error rate 15

errors 16 illustrated 59 physical 59 requirements 47

intermediate/condition met/good status 58 intermediate/good status 58

internal data rate 11 internal defects/errors 39

internal drive characteristics 11 IRAW 42

J

jumpers 43

L

latency

average rotational 11, 12 logical block address 13

logical block reallocation scheme 8 logical block size 8, 12

logical segments 13

M

maintenance 15
maximum delayed motor start 23,								24
maximum start current					23,	24
media description			8
Media Pre-Scan		41
miscellaneous feature support
Adaptive caching				58
Asynchronous event notification								58
Automatic contingent allegiance								58
Deferred error handling						58
Parameter rounding					58
Queue tagging			58
Reporting actual retry count							58
Segmented caching					58
SMP = 1 in Mode Select command 58
Synchronized (locked) spindle operation 58
Zero latency read				58
miscellaneous status support
ACA active		58
ACA active, faulted initiator							58
Busy	58
Check condition				58
Condition met/good					58
Good	58
Intermediate/condition met/good								58
Intermediate/good					58
Reservation conflict					58
Task set full		58
miscorrected media data 15
Mode sense
data, table		53
mounting	45
holes	45
orientations		43

N

noise audible 3

78	Cheetah 15K.6 SAS Product Manual, Rev. A

Image 84

Contents Cheetah 15K.6 SAS ST3450856SS ST3300656SS ST3146356SSPage Contents Defect and error management InstallationSeagate Technology support services Interface requirementsList of Figures Cheetah 15K.6 SAS disk driveCheetah 15K.6 SAS Product Manual, Rev. a Scope Cheetah 15K.6 SAS disk driveCheetah 15K.6 SAS Product Manual, Rev. a Standards, compliance and reference documents StandardsElectromagnetic compatibility Electromagnetic susceptibilityCompliance European Union Restriction of Hazardous Substances RoHSReference documents Cheetah 15K.6 SAS Product Manual, Rev. a General description Standard features Media descriptionPerformance Factory-installed accessories Options factory installedReliability Formatted capacitiesCheetah 15K.6 SAS Product Manual, Rev. a Performance characteristics Internal drive characteristicsAccess time Seek timeFormat command execution time minutes General performance characteristicsStart/stop time Prefetch/multi-segmented cache control Cache operationCaching write data Prefetch operationReliability specifications Error ratesRecoverable Errors Unrecoverable ErrorsReliability and service Seek errorsInterface errors Preventive maintenance4 S.M.A.R.T Controlling S.M.A.R.TPerformance impact MillisecondsReporting control Determining ratePredictive failures Thermal monitorTemperature Log Page 0Dh Primary TemperatureReference Temperature Parameter Code DescriptionState of the drive prior to testing Invoking DSTShort and extended tests Short test Function Code 001bProduct warranty AbortShipping Product repair and return informationCheetah 15K.6 SAS Product Manual, Rev. a Physical/electrical specifications AC power requirementsDC power requirements ST3450856SS DC power requirementsST3300656SS DC power requirements ST3146356SS DC power requirementsST3300656SS Gbit mode Amps ST3146356SS Gbit mode AmpsGeneral DC power requirement notes Power sequencingConducted noise immunity Current profilesTypical ST3450856SS current profiles Typical ST3300656SS current profiles Typical ST3146356SS current profiles Power dissipation ST3450856SS in 3 Gbit operationST3300656SS CURRENT/POWER vs Throughput SAS 3.0GB ST3300656SS in 3 Gbit operationST3146356SS CURRENT/POWER vs Throughput SAS 3.0GB ST3146356SS in 3 Gbit operationRandom 8 Block Reads Temperature Environmental limitsRelative humidity Effective altitude sea levelShock and vibration ShockPackage size Packaged/product weight Drop height Recommended mountingAir cleanliness VibrationAcoustics Corrosive environmentMechanical specifications Physical dimensions Cheetah 15K.6 SAS Product Manual, Rev. a Defect and error management Drive internal defects/errorsDrive error recovery procedures 51.87 SAS system errors Background Media ScanMedia Pre-Scan Deferred Auto-Reallocation Idle Read After WriteInstallation Drive orientationCooling Air flowDrive mounting GroundingCheetah 15K.6 SAS Product Manual, Rev. a SAS features Interface requirementsDual port support Scsi commands supported Commands supported by Cheetah 15K.6 SAS family drivesCommand name Command code Supported Commands supported by Cheetah 15K.6 SAS family drives Commands supported by Cheetah 15K.6 SAS family drives Commands supported by Cheetah 15K.6 SAS family drives Mode Sense data Inquiry dataBytes Data hex Page 2.1 ST3450856SS Mode Sense data Mode Pages2.2 ST3300656SS Mode Sense data 2.3 ST3146356SS Mode Sense data Miscellaneous operating features and conditions Miscellaneous featuresSupported Feature or condition Miscellaneous statusSAS physical interface Datum B Physical characteristics Connector requirementsPin Signal name Signal type Electrical descriptionPin descriptions SAS pin descriptionsSignal characteristics PowerSAS transmitters and receivers Ready LED OutLED drive signal Differential signalsGeneral interface characteristics Eye masks Eye masks overviewReceive eye mask Jitter tolerance masksAbsolute amplitude Normalized time in UIPeak-to SinusoidalJitter Frequency in kHzTransmitter signal characteristics Signal characteristica Units GbpsReceiver signal characteristics Signal characteristic Units GbpsMaximum allowable jitter Gbps m, n Deterministic jitterqImpedance specifications Receiver jitter toleranceCompliant jitter test pattern Cjtpat Impedance requirements Sheet 1Transmitter characteristics Impedance requirements Sheet 2Electrical TxRx connections = -5,437dB Shows the zero-length test load Receiver characteristics Cheetah 15K.6 SAS Product Manual, Rev. a Seagate Technology support services InternetPresales Support Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index NumericsPage SAS See also cooling