Seagate Savvio 15K SAS Manual

Product ManualSavvio® 15K.2 SAS100516230Rev. DSeptember 2010Standard Models ST9146852SSST973452SSSelf-Encrypting Drive Models ST9146752SSST973352SSSED

2 Savvio 15K.2 SAS Product Manual, Rev. D2.0 ScopeThis manual describes Seagate Technology® LLC, Savvio® 15K.2 SAS (Serial Attached SCSI) disc drives.

Savvio 15K.2 SAS Product Manual, Rev. D 33.0 Applicable standards and reference documentationThe drives documented in this manual have been developed

4 Savvio 15K.2 SAS Product Manual, Rev. D3.1.2 Electromagnetic complianceSeagate uses an independent laboratory to confirm compliance with the directi

Savvio 15K.2 SAS Product Manual, Rev. D 53.1.3 European Union Restriction of Hazardous Substances (RoHS)The European Union Restriction of Hazardous Su

6 Savvio 15K.2 SAS Product Manual, Rev. D4.0 General descriptionSavvio drives provide high performance, high capacity data storage for a variety of sy

Savvio 15K.2 SAS Product Manual, Rev. D 74.1 Standard featuresSavvio drives have the following standard features:• Perpendicular recording technology•

8 Savvio 15K.2 SAS Product Manual, Rev. D4.3 Performance• Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhance

Savvio 15K.2 SAS Product Manual, Rev. D 94.6 Programmable drive capacityUsing the Mode Select command, the drive can change its capacity to something

10 Savvio 15K.2 SAS Product Manual, Rev. D5.0 Performance characteristicsThis section provides detailed information concerning performance-related cha

Savvio 15K.2 SAS Product Manual, Rev. D 115.2.2 Format command execution time ST9146852SS ST9146752SS ST9146652SSST973452SSST973352SS ST973252SSMaximu

© 2010, Seagate Technology LLC All rights reserved. Publication number: 100516230, Rev. D September 2010Seagate, Seagate Technology and the Wave logo

12 Savvio 15K.2 SAS Product Manual, Rev. D5.4 Prefetch/multi-segmented cache controlThe drive provides a prefetch (read look-ahead) and multi-segmente

Savvio 15K.2 SAS Product Manual, Rev. D 135.5.1 Caching write data Write caching is a write operation by the drive that makes use of a drive buffer st

14 Savvio 15K.2 SAS Product Manual, Rev. D6.0 Reliability specificationsThe following reliability specifications assume correct host and drive operati

Savvio 15K.2 SAS Product Manual, Rev. D 156.1.3 Seek errorsA seek error is defined as a failure of the drive to position the heads to the addressed tr

16 Savvio 15K.2 SAS Product Manual, Rev. DCaution. The drive motor must come to a complete stop prior to changing the plane of operation. This time is

Savvio 15K.2 SAS Product Manual, Rev. D 17S.M.A.R.T. measures error rates. All errors for each monitored attribute are recorded. A counter keeps track

18 Savvio 15K.2 SAS Product Manual, Rev. D6.2.6 Drive Self Test (DST)Drive Self Test (DST) is a technology designed to recognize drive fault condition

Savvio 15K.2 SAS Product Manual, Rev. D 196.2.6.2.3 Short and extended testsDST has two testing options:1. short2. extendedThese testing options are d

20 Savvio 15K.2 SAS Product Manual, Rev. D6.2.7 Product warrantyBeginning on the date of shipment to the customer and continuing for the period specif

Savvio 15K.2 SAS Product Manual, Rev. D 217.0 Physical/electrical specificationsThis section provides information relating to the physical and electri

Savvio 15K.2 SAS Product Manual, Rev. D iContents1.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22 Savvio 15K.2 SAS Product Manual, Rev. DTable 2: 146GB models DC power requirementsNotes3.0 Gbit mode 6.0 Gbit mode(Amps) (Amps) (Amps) (Amps)Volta

Savvio 15K.2 SAS Product Manual, Rev. D 23[1] Measured with average reading DC ammeter. Instantaneous +12V current peaks will exceed these val-ues. Po

24 Savvio 15K.2 SAS Product Manual, Rev. DGeneral DC power requirement notes.1. Minimum current loading for each supply voltage is not less than 1.7%

Savvio 15K.2 SAS Product Manual, Rev. D 257.2.3 Current profiles The +12V and +5V current profiles for the Savvio 15K.2 SAS drives are shown below. F

26 Savvio 15K.2 SAS Product Manual, Rev. D Figure 2. Current profile for 73GB modelsNote: All times and currents are typical. See Tables 2 and 3 for

Savvio 15K.2 SAS Product Manual, Rev. D 277.3 Power dissipation 146GB models in 6.0 Gbit operationTypical power dissipation under idle conditions in 6

28 Savvio 15K.2 SAS Product Manual, Rev. D73GB models in 6.0 Gbit operationTypical power dissipation under idle conditions in 6.0 Gb operation is 4.01

Savvio 15K.2 SAS Product Manual, Rev. D 297.4 Environmental limitsTemperature and humidity values experienced by the drive must be such that condensat

30 Savvio 15K.2 SAS Product Manual, Rev. D7.4.3 Effective altitude (sea level)a. Operating–1,000 to +10,000 feet (–305 to +3,048 meters)b. Non-operati

Savvio 15K.2 SAS Product Manual, Rev. D 31d. PackagedDisk drives shipped as loose load (not palletized) general freight will be packaged to withstand

ii Savvio 15K.2 SAS Product Manual, Rev. D7.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32 Savvio 15K.2 SAS Product Manual, Rev. D7.4.4.2 Vibrationa. Operating—normalThe drive as installed for normal operation, shall comply with the compl

Savvio 15K.2 SAS Product Manual, Rev. D 337.4.7 AcousticsSound power during idle mode shall be 3.25 bels typical when measured to ISO 7779 specificati

34 Savvio 15K.2 SAS Product Manual, Rev. D7.5 Mechanical specificationsRefer to Figure 9 for detailed mounting configuration dimensions. See Section 1

Savvio 15K.2 SAS Product Manual, Rev. D 358.0 About FIPSThe Federal Information Processing Standard (FIPS) Publication 140-2, FIPS PUB 140-2, is a U.S

36 Savvio 15K.2 SAS Product Manual, Rev. D9.0 About self-encrypting drivesSelf-encrypting drives (SEDs) offer encryption and security services for the

Savvio 15K.2 SAS Product Manual, Rev. D 379.2.2 Locking SPThe Locking SP controls read/write access to the media and the cryptographic erase feature.

38 Savvio 15K.2 SAS Product Manual, Rev. D9.6 Cryptographic eraseA significant feature of SEDs is the ability to perform a cryptographic erase. This i

Savvio 15K.2 SAS Product Manual, Rev. D 3910.0 Defect and error management Seagate continues to use innovative technologies to manage defects and erro

40 Savvio 15K.2 SAS Product Manual, Rev. DThe drive firmware error recovery algorithms consists of 11 levels for read recoveries and five levels for w

Savvio 15K.2 SAS Product Manual, Rev. D 4110.4 Background Media ScanBackground Media Scan (BMS) is a self-initiated media scan. BMS is defined in the

Savvio 15K.2 SAS Product Manual, Rev. D iii12.5.1 Ready LED Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42 Savvio 15K.2 SAS Product Manual, Rev. D10.7 Idle Read After WriteIdle Read After Write (IRAW) utilizes idle time to verify the integrity of recentl

Savvio 15K.2 SAS Product Manual, Rev. D 4311.0 InstallationSavvio disk drive installation is a plug-and-play process. There are no jumpers, switches,

44 Savvio 15K.2 SAS Product Manual, Rev. D11.2 Cooling Cabinet cooling must be designed by the customer so that the ambient temperature immediately su

Savvio 15K.2 SAS Product Manual, Rev. D 4511.3 Drive mountingMount the drive using the bottom or side mounting holes. If you mount the drive using the

46 Savvio 15K.2 SAS Product Manual, Rev. D12.0 Interface requirements This section partially describes the interface requirements as implemented on Sa

Savvio 15K.2 SAS Product Manual, Rev. D 4712.2 Dual port supportSavvio SAS drives have two independent ports. These ports may be connected in the same

48 Savvio 15K.2 SAS Product Manual, Rev. D12.3 SCSI commands supported Table 7 lists the SCSI commands supported by Savvio drives. Table 7: Supp

Savvio 15K.2 SAS Product Manual, Rev. D 49 Last n Deferred Errors or Asynchronous Events page (0Bh) N Last n Error Events page (07h) N Non-medium E

50 Savvio 15K.2 SAS Product Manual, Rev. DRead Buffer (modes 0, 2, 3, Ah and Bh supported) 3Ch YRead Capacity (10) 25h YRead Capacity (16) 9Eh/10h NRe

Savvio 15K.2 SAS Product Manual, Rev. D 51[1] Savvio drives can format to 512, 520, 524, or 528 bytes per logical block.[2] Warning. Power loss during

iv Savvio 15K.2 SAS Product Manual, Rev. D

52 Savvio 15K.2 SAS Product Manual, Rev. D12.3.1 Inquiry data Table 8 lists the Inquiry command data that the drive should return to the initiator per

Savvio 15K.2 SAS Product Manual, Rev. D 53When power is applied to the drive, it takes saved values from the media and stores them as current val-ues

54 Savvio 15K.2 SAS Product Manual, Rev. DTable 9: Mode Sense data default and changeable values for 146GB drivesMODE DATA HEADER: 00 00 05 12 8B 00

Savvio 15K.2 SAS Product Manual, Rev. D 55Table 10: Mode Sense data default and changeable values for 73GB drives MODE DATA HEADER:00 00 05 12 8B 00

56 Savvio 15K.2 SAS Product Manual, Rev. D12.4 Miscellaneous operating features and conditions Table 11 lists various features and conditions. A “Y” i

Savvio 15K.2 SAS Product Manual, Rev. D 5712.4.1 SAS physical interface Figure 13 shows the location of the SAS device connector J1. Figures 14 and 15

58 Savvio 15K.2 SAS Product Manual, Rev. D Figure 14. SAS device plug dimensionsC OF DATUM BL5.081.27 (6X)1.27 (14X)15.8750.35MIN15.87533.43 0.05B4

Savvio 15K.2 SAS Product Manual, Rev. D 59Figure 15. SAS device plug dimensions (detail)6.10Detail A0.30 0.05 x 45 (5X)0.40 0.05 X 45 (3X)CORING

60 Savvio 15K.2 SAS Product Manual, Rev. D12.4.2 Physical characteristics This section defines physical interface connector.12.4.3 Connector requireme

Savvio 15K.2 SAS Product Manual, Rev. D 61Table 13: SAS pin descriptions Pin Signal name Signal type Pin Signal name Signal typeS1 Port A Ground P1*

Savvio 15K.2 SAS Product Manual, Rev. D 1List of FiguresFigure 1. Current profile for 146GB models. . . . . . . . . . . . . . . . . . . . . . . . . .

62 Savvio 15K.2 SAS Product Manual, Rev. D12.4.7 PowerThe drive receives power (+5 volts and +12 volts) through the SAS device connector. Three +12 vo

Savvio 15K.2 SAS Product Manual, Rev. D 63Table 16 defines the general interface characteristics.12.6 SAS-2 Specification complianceSeagate SAS-2 driv

64 Savvio 15K.2 SAS Product Manual, Rev. D

Savvio 15K.2 SAS Product Manual, Rev. D 65IndexNumerics12 voltpins 625 volt pins 626 Gbps 63Aabort task set function 46AC coupling 61AC powe

66 Savvio 15K.2 SAS Product Manual, Rev. Ddrive characteristics 10Drive Locking 37drive mounting 34, 45drive select 60dual port support 47

Savvio 15K.2 SAS Product Manual, Rev. D 67maximum delayed motor start 22, 23maximum start current 22, 23mean time between failure. See MTBFmed

68 Savvio 15K.2 SAS Product Manual, Rev. Dreturn information 20RNG 37rotation speed 10Ssafety 3SASinterface 60physical interface 57task ma

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100516230, Rev. D

Savvio 15K.2 SAS Product Manual, Rev. D 11.0 Seagate Technology support servicesSEAGATE ONLINE SUPPORT and SERVICESFor information regarding products