Seagate BARRACUDA ST3750630SS Manuel d'utilisateur

Product ManualBarracuda® ES.2 SAS100496298Rev. GNovember 2010ST31000640SSST3750630SSST3500620SS

4 Barracuda ES.2 SAS Product Manual, Rev. G2.2 Compliance2.2.1 Electromagnetic complianceSeagate uses an independent laboratory to confirm compliance

Barracuda ES.2 SAS Product Manual, Rev. G 52.3 Reference documentsSCSI Commands Reference Manual Seagate part number: 100293068SAS Interface Manual Se

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Barracuda ES.2 SAS Product Manual, Rev. G 73.0 General descriptionBarracuda ES.2 drives combine Tunneling Magnetoresistive (TMR) heads and a Serial At

8 Barracuda ES.2 SAS Product Manual, Rev. G3.1 Standard featuresBarracuda ES.2 SAS drives have the following standard features:• Perpendicular recordi

Barracuda ES.2 SAS Product Manual, Rev. G 93.5 Formatted capacitiesStandard OEM models are formatted to 512 bytes per block. The block size is selecta

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Barracuda ES.2 SAS Product Manual, Rev. G 114.0 Performance characteristicsThis section provides detailed information concerning performance-related c

12 Barracuda ES.2 SAS Product Manual, Rev. G4.2.2 Format command execution time (minutes) Execution time measured from receipt of the last byte of the

Barracuda ES.2 SAS Product Manual, Rev. G 134.4 Prefetch/multi-segmented cache controlThe drive provides a prefetch (read look-ahead) and multi-segmen

© 2010 Seagate Technology LLC. All rights reserved.Publication number: 100496298, Rev. G, November 2010Seagate, Seagate Technology and the Wave logo a

14 Barracuda ES.2 SAS Product Manual, Rev. GIf read caching is enabled (RCD=0), then data written to the medium is retained in the cache to be made av

Barracuda ES.2 SAS Product Manual, Rev. G 155.0 Reliability specificationsThe following reliability specifications assume correct host and drive opera

16 Barracuda ES.2 SAS Product Manual, Rev. G5.1.3 Seek errorsA seek error is defined as a failure of the drive to position the heads to the addressed

Barracuda ES.2 SAS Product Manual, Rev. G 175.2.4 S.M.A.R.T.S.M.A.R.T. is an acronym for Self-Monitoring Analysis and Reporting Technology. This techn

18 Barracuda ES.2 SAS Product Manual, Rev. GError rate is the number of errors per operation. The algorithm that S.M.A.R.T. uses to record rates of er

Barracuda ES.2 SAS Product Manual, Rev. G 19The most thorough option is the extended test that performs various tests on the drive and scans every log

20 Barracuda ES.2 SAS Product Manual, Rev. GEach test consists of three segments: an electrical test segment, a servo test segment, and a read/verify

Barracuda ES.2 SAS Product Manual, Rev. G 21procedure. Seagate will pay for transporting the repair or replacement item to the customer. For more deta

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Barracuda ES.2 SAS Product Manual, Rev. G 236.0 Physical/electrical specificationsThis section provides information relating to the physical and elect

Barracuda ES.2 SAS Product Manual, Rev. G (Draft 1) iSeagate Technology Support Services iii1.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . .

24 Barracuda ES.2 SAS Product Manual, Rev. G [1] Measured with average reading DC ammeter or equivalent sampling scope. Instantaneous +12V current pe

Barracuda ES.2 SAS Product Manual, Rev. G 25[4] This condition occurs after OOB and Speed Negotiation completes but before the drive has received the

26 Barracuda ES.2 SAS Product Manual, Rev. G Figure 2. Typical ST31000640SS drive +5V and +12V current profiles Figure 3. Typical ST3750

Barracuda ES.2 SAS Product Manual, Rev. G 27 Figure 4. Typical ST3500620SS drive +5V and +12V current profiles6.3 Power dissipation Typical power d

28 Barracuda ES.2 SAS Product Manual, Rev. GFigure 5. ST31000640SS (3 Gbit) DC current and power vs. input/output operations per second Figure 6. ST

Barracuda ES.2 SAS Product Manual, Rev. G 296.4 Environmental limitsTemperature and humidity values experienced by the drive must be such that condens

30 Barracuda ES.2 SAS Product Manual, Rev. G6.4.2 Relative humidityThe values below assume that no condensation on the drive occurs.a. Operating5% to

Barracuda ES.2 SAS Product Manual, Rev. G 31d. PackagedDisk drives shipped as loose load (not palletized) general freight will be packaged to withstan

32 Barracuda ES.2 SAS Product Manual, Rev. G6.4.4.2 Vibrationa. Operating—normalThe drive as installed for normal operation, shall comply with the com

Barracuda ES.2 SAS Product Manual, Rev. G 33exposed to an ambient relative humidity greater than 95%. Materials used in cabinet fabrication, such as v

ii Barracuda ES.2 SAS Product Manual, Rev. G (Draft 1)6.4.3 Effective altitude (sea level). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34 Barracuda ES.2 SAS Product Manual, Rev. G6.5 Mechanical specificationsRefer to Figure 9 for detailed physical dimensions. See Section 8.3, “Drive m

Barracuda ES.2 SAS Product Manual, Rev. G 357.0 Defect and error management Seagate continues to use innovative technologies to manage defects and err

36 Barracuda ES.2 SAS Product Manual, Rev. GThe drive firmware error recovery algorithms consists of 11 levels for read recoveries and five levels for

Barracuda ES.2 SAS Product Manual, Rev. G 377.3 SAS system errorsInformation on the reporting of operational errors or faults across the interface is

38 Barracuda ES.2 SAS Product Manual, Rev. G7.6 Deferred Auto-ReallocationDeferred Auto-Reallocation (DAR) simplifies reallocation algorithms at the s

Barracuda ES.2 SAS Product Manual, Rev. G 398.0 InstallationBarracuda ES.2 disk drive installation is a plug-and-play process. There are no jumpers, s

40 Barracuda ES.2 SAS Product Manual, Rev. G8.2 Cooling The host enclosure must dissipate heat from the drive. You should confirm that the host enclos

Barracuda ES.2 SAS Product Manual, Rev. G 418.3 Drive mountingMount the drive using the bottom or side mounting holes. If you mount the drive using th

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Barracuda ES.2 SAS Product Manual, Rev. G 439.0 Interface requirements This section partially describes the interface requirements as implemented on B

Barracuda ES.2 SAS Product Manual, Rev. G (Draft 1) iiiFor information regarding online support and services, visit http://www.seagate.com/www/en-us

44 Barracuda ES.2 SAS Product Manual, Rev. G9.2 Dual port supportBarracuda ES.2 SAS drives have two independent ports. These ports may be connected in

Barracuda ES.2 SAS Product Manual, Rev. G 459.3 SCSI commands supported Table 8 lists the SCSI commands supported by Barracuda ES.2 drives. Table

46 Barracuda ES.2 SAS Product Manual, Rev. G Non-medium Error page (06h) Y Pages Supported list (00h) Y Read Error Counter page (03h) Y Read Rever

Barracuda ES.2 SAS Product Manual, Rev. G 47Reassign Blocks 07h YReceive Diagnostic Results 1Ch Y Supported Diagnostics pages (00h) Y Translate page

48 Barracuda ES.2 SAS Product Manual, Rev. G [1] Barracuda ES.2 drives can format to 512, 520, 524, or 528 bytes per logical block.[2] Warning. Power

Barracuda ES.2 SAS Product Manual, Rev. G 499.3.1 Inquiry data Table 9 lists the Inquiry command data that the drive should return to the initiator pe

50 Barracuda ES.2 SAS Product Manual, Rev. GOn standard OEM drives, the saved values are taken from the default values list and stored into the saved

Barracuda ES.2 SAS Product Manual, Rev. G 519.3.2.1 ST31000640SS Mode Sense dataMODE DATA HEADER: 01 2e 00 10 00 00 00 08BLOCK DESCRIPTOR: 74 70 6d b0

52 Barracuda ES.2 SAS Product Manual, Rev. G9.3.2.2 ST3750630SS Mode Sense dataMODE DATA HEADER: 01 2e 00 10 00 00 00 08BLOCK DESCRIPTOR: 57 54 66 f0

Barracuda ES.2 SAS Product Manual, Rev. G 539.3.2.3 ST3500620SS Mode Sense dataMODE DATA HEADER: 01 2e 00 10 00 00 00 08BLOCK DESCRIPTOR: 3a 38 60 30

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54 Barracuda ES.2 SAS Product Manual, Rev. G9.4 Miscellaneous operating features and conditions Table 10 lists various features and conditions. A “Y”

Barracuda ES.2 SAS Product Manual, Rev. G 559.4.1 SAS physical interface Figure 12 shows the location of the SAS device connector J1. Figures 13 and 1

56 Barracuda ES.2 SAS Product Manual, Rev. G Figure 13. SAS connector dimensionsC OF DATUM BL5.081.27 (6X)1.27 (14X)15.8750.35MIN15.87533.43 0.05B4

Barracuda ES.2 SAS Product Manual, Rev. G 57Figure 14. SAS connector dimensions9.4.2 Physical characteristics This section defines physical interface

58 Barracuda ES.2 SAS Product Manual, Rev. G9.4.4 Electrical description SAS drives use the device connector for:• DC power• SAS interface• Activity L

Barracuda ES.2 SAS Product Manual, Rev. G 599.4.6 SAS transmitters and receiversA typical SAS differential copper transmitter and receiver pair is sho

60 Barracuda ES.2 SAS Product Manual, Rev. GThe Ready LED Out signal is designed to pull down the cathode of an LED. The anode is attached to the prop

Barracuda ES.2 SAS Product Manual, Rev. G 619.5.2.1.2 Receive eye mask Figure 16 describes the receive eye mask. This eye mask applies to jitter after

62 Barracuda ES.2 SAS Product Manual, Rev. GThe leading and trailing edge slopes of figure 16 shall be preserved. As a result the amplitude value of Z

Barracuda ES.2 SAS Product Manual, Rev. G 639.5.2.2 Transmitter signal characteristics Table 16 specifies the signal requirements at the transmitter e

Barracuda ES.2 SAS Product Manual, Rev. G 11.0 ScopeThis manual describes Seagate Technology® LLC, Barracuda® ES.2 SAS (Serial Attached SCSI) disk dri

64 Barracuda ES.2 SAS Product Manual, Rev. G9.5.2.3 Receiver signal characteristics Table 17 defines the compliance point requirements of the signal a

Barracuda ES.2 SAS Product Manual, Rev. G 659.5.2.3.2 Receiver jitter toleranceTable 19 defines the amount of jitter the receiver shall tolerate.9.5.2

66 Barracuda ES.2 SAS Product Manual, Rev. G9.5.2.4 Electrical TxRx connectionsTxRx connections may be divided into TxRx connection segments. In a sin

Barracuda ES.2 SAS Product Manual, Rev. G 67A combination of a zero-length test load and the transmitter compliance transfer function (TCTF) test load

68 Barracuda ES.2 SAS Product Manual, Rev. GFigure 20 shows the zero-length test load.Figure 20. Zero-length test loadFigure 21 shows an ISI loss exa

Barracuda ES.2 SAS Product Manual, Rev. G 699.5.2.5 Receiver characteristicsThe drive receiver is A.C. coupled. The receive network terminates the TxR

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Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100496298, Rev. G

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Barracuda ES.2 SAS Product Manual, Rev. G 32.0 Standards, compliance and reference documentsThe drive has been developed as a system peripheral to the