SEAGATE ST973451SS - Manuals

Savvio 15K SAS Product Manual, Rev. B i Contents 1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . ...

Savvio 15K SAS Product Manual, Rev. B iii List of Figures Figure 1. Typical ST973451SS current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 2. Typical ST936751SS current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Savvio 15K SAS Product Manual, Rev. B 1 1.0 Scope This manual describes Seagate Technology ® LLC, Savvio ® 15K SAS (Serial Attached SCSI) disc drives. Savvio drives support the SAS Protocol to the extent described in this manual. The SAS Interface Manual (part number 100293071) and SCSI Commands Ref...

Savvio 15K SAS Product Manual, Rev. B 3 2.0 Applicable standards and reference documentation The drive has been developed as a system peripheral to the highest standards of design and construction. The drive depends on its host equipment to provide adequate power and environment for optimum performa...

Savvio 15K SAS Product Manual, Rev. B 5 2.1.3 European Union Restriction of Hazardous Substances (RoHS) The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of chemical substances, including Lead (Pb), in electronic products effective July 2006. A number of ...

Savvio 15K SAS Product Manual, Rev. B 7 3.0 General description Savvio drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a Serial Attached SCSI (SAS) interface to provide high performance, high capac...

8 Savvio 15K SAS Product Manual, Rev. B 3.1 Standard features Savvio drives have the following standard features:• Perpendicular recording technology• 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol• Support for SAS expanders and f...

Savvio 15K SAS Product Manual, Rev. B 9 3.4 Reliability • Annualized Failure Rate (AFR) of 0.55%• Mean Time Between Failures (MTBF) of 1,600,000 hours• Incorporates industry-standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)• 5-year warranty 3.5 Formatted capacities Standard OEM...

10 Savvio 15K SAS Product Manual, Rev. B 3.8 Options You may order the following items which are incorporated at the manufacturing facility during production or packaged before shipping. Some of the options available are (not an exhaustive list of possible options): • Other capacities can be ordered...

Savvio 15K SAS Product Manual, Rev. B 11 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Sav-vio drives. 4.1 Internal drive characteristics ST973451SS ST936751SS Drive capacity 73.4 36.7 Gbytes (formatted, roun...

Savvio 15K SAS Product Manual, Rev. B 13 4.3 Start/stop time The drive accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has been applied. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT comm...

14 Savvio 15K SAS Product Manual, Rev. B 1. The drive fetches the requested logical blocks from the disc and transfers them into a segment, and then from there to the host in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 2. If the prefetch feature is enabled, refer to se...

Savvio 15K SAS Product Manual, Rev. B 15 5.0 Reliability specifications The following reliability specifications assume correct host and drive operational interface, including all inter-face timings, power supply voltages, environmental requirements and drive mounting constraints. 5.1 Error rates Th...

16 Savvio 15K SAS Product Manual, Rev. B 5.1.3 Seek errors A seek error is defined as a failure of the drive to position the heads to the addressed track. After detecting an initial seek error, the drive automatically performs an error recovery process. If the error recovery process fails, a seek po...

Savvio 15K SAS Product Manual, Rev. B 17 required to insure data integrity. 5.2.4 S.M.A.R.T. S.M.A.R.T. is an acronym for Self-Monitoring Analysis and Reporting Technology. This technology is intended to recognize conditions that indicate imminent drive failure and is designed to provide sufficient ...

18 Savvio 15K SAS Product Manual, Rev. B Error rate is the number of errors per operation. The algorithm that S.M.A.R.T. uses to record rates of error is to set thresholds for the number of errors and their interval. If the number of errors exceeds the threshold before the interval expires, the erro...

Savvio 15K SAS Product Manual, Rev. B 19 2. Short text The most thorough option is the extended test that performs various tests on the drive and scans every logical block address (LBA) of the drive. The short test is time-restricted and limited in length—it does not scan the entire media surface, b...

20 Savvio 15K SAS Product Manual, Rev. B These testing options are described in the following two subsections. Each test consists of three segments: an electrical test segment, a servo test segment, and a read/verify scan segment. Short test (Function Code: 001b) The purpose of the short test is to ...

Savvio 15K SAS Product Manual, Rev. B 23 6.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the drive. 6.1 AC power requirements None. 6.2 DC power requirements The voltage and current requirements for a single drive ar...

24 Savvio 15K SAS Product Manual, Rev. B [1] Measured with average reading DC ammeter. Instantaneous +12V current peaks will exceed these val-ues. Power supply at nominal voltage. N (number of drives tested) = 6, 35 Degrees C ambient. [2] For +12 V, a –10% tolerance is allowed during initial spindle...

Savvio 15K SAS Product Manual, Rev. B 27 6.3 Power dissipation ST973451SS in 3 Gbit operation Typical power dissipation under idle conditions in 3Gb operation is 5.93 watts (20.23 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see...

Savvio 15K SAS Product Manual, Rev. B 29 6.4 Environmental limits Temperature and humidity values experienced by the drive must be such that condensation does not occur on any drive part. Altitude and atmospheric pressure specifications are referenced to a standard day at 58.7°F (14.8°C). Maximum we...

30 Savvio 15K SAS Product Manual, Rev. B 6.4.3 Effective altitude (sea level) a. Operating –200 to +10,000 feet (–60.96 to +3,048 meters) b. Non-operating –200 to +40,000 feet (–60.96 to +12,210 meters) 6.4.4 Shock and vibration Shock and vibration limits specified in this document are measured dire...

Savvio 15K SAS Product Manual, Rev. B 31 d. Packaged Disc drives shipped as loose load (not palletized) general freight will be packaged to withstand drops from heights as defined in the table below. For additional details refer to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 ...

32 Savvio 15K SAS Product Manual, Rev. B 6.4.4.2 Vibration a. Operating—normal The drive as installed for normal operation, shall comply with the complete specified performance while subjected to continuous vibration not exceeding 10-500 Hz @ 1.0 G (zero to peak) Vibration may be applied in the X, Y...

34 Savvio 15K SAS Product Manual, Rev. B 6.5 Mechanical specifications Refer to Figure 9 for detailed mounting configuration dimensions. See Section 8.3, “Drive mounting.” Figure 9. Mounting configuration dimensions Height: 0.583 in 14.8 mm Width: 2.76 in 70 mm Depth: 3.957 in 100.5 mm Weight: 0.50 ...

Savvio 15K SAS Product Manual, Rev. B 35 7.0 Defect and error management Seagate continues to use innovative technologies to manage defects and errors. These technologies are designed to increase data integrity, perform drive self-maintenance, and validate proper drive operation. SCSI defect and err...

36 Savvio 15K SAS Product Manual, Rev. B The drive firmware error recovery algorithms consists of 11 levels for read recoveries and five levels for write. Each level may consist of multiple steps, where a step is defined as a recovery function involving a single re-read or re-write attempt. The maxi...

38 Savvio 15K SAS Product Manual, Rev. B 7.7 Idle Read After Write Idle Read After Write (IRAW) utilizes idle time to verify the integrity of recently written data. During idle periods, no active system requests, the drive reads recently written data from the media and compares it to valid write com...

Savvio 15K SAS Product Manual, Rev. B 39 8.0 Installation Savvio disc drive installation is a plug-and-play process. There are no jumpers, switches, or terminators on the drive. SAS drives are designed to be used in a host system that provides a SAS-compatible backplane with bays designed to accomod...

40 Savvio 15K SAS Product Manual, Rev. B 8.2 Cooling Cabinet cooling must be designed by the customer so that the ambient temperature immediately surrounding the drive will not exceed temperature conditions specified in Section 6.4.1, "Temperature." The rack, cabinet, or drawer environment f...

Savvio 15K SAS Product Manual, Rev. B 43 9.0 Interface requirements This section partially describes the interface requirements as implemented on Savvio drives. Additional infor-mation is provided in the SAS Interface Manual (part number 100293071). 9.1 SAS features This section lists the SAS-specif...

44 Savvio 15K SAS Product Manual, Rev. B 9.2 Dual port support Savvio SAS drives have two independent ports. These ports may be connected in the same or different SCSI domains. Each drive port has a unique SAS address. The two ports run at the same link rate. The first port to successfully complete ...

Savvio 15K SAS Product Manual, Rev. B 45 9.3 SCSI commands supported Table 7 lists the SCSI commands supported by Savvio drives. Table 7: Commands supported by Savvio SAS family drive Command name Command code Supported Change Definition 40h N Compare 39h N Copy 18h N Copy and Verify 3Ah N Format Un...

46 Savvio 15K SAS Product Manual, Rev. B Last n Deferred Errors or Asynchronous Events page (0Bh) N Last n Error Events page (07h) N Non-medium Error page (06h) Y Pages Supported list (00h) Y Read Error Counter page (03h) Y Read Reverse Error Counter page (04h) N Self-test Results page (10h) Y Backg...

Savvio 15K SAS Product Manual, Rev. B 49 9.3.1 Inquiry data Table 8 lists the Inquiry command data that the drive should return to the initiator per the format given in the SAS Interface Manual. Table 8: Savvio inquiry data * Copyright year (changes with actual year). ** SCSI Revision support. See t...

Savvio 15K SAS Product Manual, Rev. B 51 Table 9: Mode Sense data default and changeable values for ST973451SS drives MODE DATA HEADER: 03 fa 00 10 00 00 00 08 BLOCK DESCRIPTOR: 08 8b b9 98 00 00 02 00 MODE PAGES: DEF 81 0a c0 0b ff 00 00 00 05 00 ff ff CHG 81 0a ff ff 00 00 00 00 ff 00 ff ff DEF 82...

Savvio 15K SAS Product Manual, Rev. B 53 9.4 Miscellaneous operating features and conditions Table 11 lists various features and conditions. A “Y” in the support column indicates the feature or condition is supported. An “N” in the support column indicates the feature or condition is not supported. ...

54 Savvio 15K SAS Product Manual, Rev. B 9.4.1 SAS physical interface Figure 12 shows the location of the SAS device connector J1. Figures 13 and 14 provide the dimensions of the SAS connector. Details of the physical, electrical, and logical characteristics are provided within this section. The ope...

Savvio 15K SAS Product Manual, Rev. B 55 Figure 13. SAS device plug dimensions C OF DATUM B L 5.08 1.27 (6X) 1.27 (14X) 15.875 0.35MIN 15.875 33.43 0.05 B 4.90 0.08 0.84 0.05 (22X) 0.15 B P15 P1 S7 S1 SEE Detail1 0.30 0.05 (4X) 4.00 0.08 0.15 D 0.30 0.05 (2X) 41.13 0.15 B B C C A A 0.20 B 42.73 REF....

Savvio 15K SAS Product Manual, Rev. B 57 9.4.2 Physical characteristics This section defines physical interface connector. 9.4.3 Connector requirements Contact your preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a future revision of ...

Savvio 15K SAS Product Manual, Rev. B 59 9.4.7 Power The drive receives power (+5 volts and +12 volts) through the SAS device connector. Three +12 volt pins provide power to the drive, 2 short and 1 long. The current return for the +12 volt power supply is through the common ground pins. The supply ...

60 Savvio 15K SAS Product Manual, Rev. B Table 16 defines the general interface characteristics. 9.5.2.1 Eye masks 9.5.2.1.1 Eye masks overview The eye masks are graphical representations of the voltage and time limits on the signal at the compliance point. The time values between X1 and (1 - X1) co...

Savvio 15K SAS Product Manual, Rev. B 61 9.5.2.1.3 Jitter tolerance masks Figure 17 describes the receive tolerance eye masks and is constructed using the X2 and Z2 values given in table 19. X1 OP is half the value for total jitter intable 19 and X1 TOL is half the value for total jitter in table 20...

62 Savvio 15K SAS Product Manual, Rev. B Figure 18 defines the sinusoidal jitter mask. Figure 18. Sinusoidal jitter mask 9.5.2.2 Transmitter signal characteristics Table 17 specifies the signal requirements at the transmitter end of a TxRx connection as measured into the zero-length test load. All s...

Savvio 15K SAS Product Manual, Rev. B 63 9.5.2.3 Receiver signal characteristics Table 18 defines the compliance point requirements of the signal at the receiver end of a TxRx connection as measured into the test loads specified in figure 19 and figure 20. a All tests in this table shall be performe...

64 Savvio 15K SAS Product Manual, Rev. B 9.5.2.3.1 Jitter Table 19 defines the maximum allowable jitter. 9.5.2.3.2 Receiver jitter tolerance Table 20 defines the amount of jitter the receiver shall tolerate . 9.5.2.3.3 Compliant jitter test pattern (CJTPAT) The CJTPAT within a compliant protocol fra...

Savvio 15K SAS Product Manual, Rev. B 65 9.5.2.3.4 Impedance specifications Table 21 defines impedance requirements. Table 21: Impedance requirements (Sheet 1 of 2) Requirement Units 1.5 Gbps 3.0 Gbps Time domain reflectometer rise time 20 % to 80 % a,b ps 100 50 Media (PCB or cable) Differential im...

66 Savvio 15K SAS Product Manual, Rev. B 9.5.2.4 Electrical TxRx connections TxRx connections may be divided into TxRx connection segments. In a single TxRx connection individual TxRx connection segments may be formed from differing media and materials, including traces on printed wir-ing boards and...

Savvio 15K SAS Product Manual, Rev. B 67 for 50 MHz < f < 1.5 GHz, and: for 1.5 GHz < f < 5.0 GHz, where: a) f is the signal frequency in hertz. The transmission magnitude response of the TCTF in dB is given by the following equation for 3.0 Gbps: for 50 MHz < f < 3.0 GHz, and: for...

68 Savvio 15K SAS Product Manual, Rev. B Figure 20 shows the zero-length test load. Figure 20. Zero-length test load Figure 21 shows an ISI loss example at 3.0 Gbps. Figure 21. ISI loss example at 3.0 Gbps Figure 22 shows an ISI loss example at 1.5 Gbps. Figure 22. ISI loss example at 1.5 Gbps Tx+ T...

Savvio 15K SAS Product Manual, Rev. B 69 9.5.2.5 Receiver characteristics The drive receiver is A.C. coupled. The receive network terminates the TxRx connection by a 100 ohm equiva-lent impedance as specified in table 21. The receiver operates within a BER of 10 -12 when a SAS signal with valid volt...

Savvio 15K SAS Product Manual, Rev. B 71 10.0 Seagate Technology support services Internet For information regarding Seagate products and services, visit www.seagate.com . Worldwide support is available 24 hours daily by email for your questions. Presales Support: [email protected] Technical Supp...

72 Savvio 15K SAS Product Manual, Rev. B Customer Service Operations Warranty Service Seagate offers worldwide customer support for Seagate products. Seagate distributors, OEMs and other direct customers should contact their Seagate Customer Service Operations (CSO) representative for warranty-relat...

Savvio 15K SAS Product Manual, Rev. B 73 Index Numerics 12 volt pins 59 5 volt pins 59 A abort task set function 43 AC coupling 58 AC power requirements 23 ACA active status 53 ACA active, faulted initiator status 53 acoustics 33 active LED Out signal 59 actuator assembly design 7 adaptive caching 5...

76 Savvio 15K SAS Product Manual, Rev. B operation 53 system chassis 41 T task management functions 43 Abort task set 43 Clear ACA 43 Clear task set 43 terminate task 43 task management response codes 43 Function complete 00 43 Function not supported 05 43 Function reject 04 43 task set full status ...